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Cannabis Vape Clarity: How to Help Consumers Shop Smart

By Vitaly Mekk
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Between 2020 and 2021, cannabis vape cartridges saw 25% year-over-year growth and all-in-one vapes grew a whopping 64% as a category during the same time period. Two years later, the vape space shows no signs of slowing down. There are more strain and extraction style options than ever, not to mention advances in consumption device technology.

That huge growth and diversification means consumers have a lot of choices and decisions to make. Cutting through that noise takes a little know-how, however. For a shopper who’s hesitant or overwhelmed when comparing multiple vape options, brands and budtenders can start with some informative, friendly education on how terpenes deserve their consideration.

Why are terpene profiles so important? Imagine going into a wine store and only getting a recommendation for red or white at different price points. You might end up with something delicious that fits your budget, but you’re missing out on deeper nuances that could enrich the experience. Consumers don’t know what they don’t know. But brands can do better.

Terpenes and the Entourage Effect for Vape Products

Instead of the indica-sativa-hybrid trichotomy, focus on the kind of experience you want to have. Understanding terpenes can go a long way to helping consumers find the strains that produce their favorite flavors, scents and sensations. Also key is understanding how terpenes work together in different strains—a phenomenon known as the entourage effect.

Figure 1: The chemical structure of cannabidiol.
The chemical structure of cannabidiol (CBD)

The entourage effect is often simplified to a collaboration between major and minor cannabinoids like CBD, CBG, CBN and THCV. But a true entourage effect isn’t just the combination of different cannabinoids. It’s the combination of terpenes, cannabinoids, flavonoids and other chemicals such as esters.

Why does this matter? The best cannabis represents the best of each of these elements, not simply terpenes and cannabinoids. As a result, the best cannabis vapes are the ones that can preserve all of these elements and produce an entourage effect.

This is where it’s worth pointing out the pros and cons of low-end cannabis vape products. Cheaper strain profiles typically feature fewer ingredients, including the terpenes, flavonoids and esters that contribute to a distinctive entourage effect. It’s not a matter of upselling: Sure, the price point might be attractive, but one-size-fits-all weed isn’t the experience most consumers are ultimately looking for.

How Extraction Methods Impact Cannabinoids, Terpenes and Other Chemical Compounds

The loss of crucial members of a cannabis cultivar’s entourage is one reason extraction methods make such a big difference. It can be hard for many consumers to cut through the jargon of resin vs. rosin, CO2 vs. butane, ice vs. heat and so forth. But one simple way to break it down is this: botanical, aka distillate, terpene profiles typically have 30-60 ingredients. Meanwhile, cannabis-derived terpene profiles will have over 100.

A live rosin vape by Bloom

On the high end of that spectrum is rosin. Rosin products typically will have the largest number and range of flavor components. That’s one reason this category is so popular with cannabis connoisseurs who are particularly dialed into the flavors and effects of the products they consume, vape carts included.

Why Hardware Matters

There are two primary types of vape consumption hardware—510 thread batteries combined with various brands of vape carts, or all-in-one vape devices that come pre-loaded with proprietary concentrates. 510 thread systems were carried over from the nicotine vape space, and quickly became the industry standard because they allow consumers to try vape carts from many different brands with the same rechargeable battery. There is a caveat: Temperature variance can affect the consumer’s experience for the worse, particularly with sensitive terpene boiling points.

All-in-one devices have been gaining popularity because they’re so easy to use. They come pre-loaded with concentrates and don’t require any charging cables or changing device settings. All-in-ones are typically pre-set to a tight temperature range well-suited to their unique concentrate formula—all a consumer has to do is put the device to their lips and pull.

A quality piece of vape hardware won’t produce a burnt flavor or irritate the nose. The flavor will come through cleanly and the draw should be smooth and consistent. Indeed, the latter is another sign of quality vape hardware consumers should know to look for—the resistance of that pull can vary widely between brands. The concentrate should draw easily from the chamber. If it feels like sucking a hefty milkshake through a straw, both the hardware and the concentrates inside are probably not the highest quality.

Whichever terpene profile, strain, extraction technique or device category is on a customer’s mind, it’s critical for brands and budtenders to help guide consumers to their individual best-fit cannabis vape experience.

An Inside Look at the Creation and Growing Popularity of Solventless Cannabis Products

By Tim Nolan
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A top product trend this year is the rise of solventless cannabis products, according to recent statistics from cannabis market analyst firm BDSA. In fact, from June 2021 to June 2022, BDSA research also showed that the category grew an average of 132% each month.

Copperstate Farms

Nearly all cannabis products start with cannabis concentrates, which are made with a solvent that contains the desirable compounds from cannabis. Solventless concentrates however are made from the cannabis flower without the use of any chemicals and are becoming popular among businesses and consumers. This broad category of cannabis products includes everything from hash to live rosin.

Mitch Lindback, Lab Director at Copperstate Farms, has been growing and extracting cannabis for 15 years and has over a decade of experience working with cannabis derivatives. “Solventless is the truest expression of the cannabis plant,” he says.

Copperstate Farms is one of the largest greenhouse cannabis producers in North America and home to 1.7 million square feet of canopy and 40 acres under glass. Here is an inside look into the company’s solventless creation process:

The Harvest

One of the most important growth factors in cannabis is light, so cannabis grown in full-spectrum light often brings the best flower to harvest. In the weeks before harvesting, the lab conducts a test wash on cannabis plants before hand-selecting which will be used in rosin. Plants are selected based on appearance, aroma and test wash results. On harvest day, all flowers are lightly hand-trimmed and frozen within two hours of harvest.

The Wash

The wash system

Using only chilled RO water and minimal ice, our cannabis extraction experts gently break the trichome heads off the fresh-frozen cannabis using a stainless-steel wash system, by gently agitating the flower. Then they collect the 73μ-159μ trichome heads while pushing the immature trichome heads and stalks to pass through collection bags with a cold spray wash.

The Press

After carefully freeze drying, sifting and packing the hash into double-wrapped mesh rosin bags, Copperstate Farms uses rosin presses to gently express the nectar from the trichome heads using a little heat and a lot of pressure.

The Cure

All live rosin goes through a minimum 7-day cure. “We have found through extensive analytical testing that curing rosin for a minimum of seven days increased its terpene content by over 30 percent,” Lindback says.

The final product: live rosin

The extensive process to create solventless cannabis products is time and energy intensive, but leads to quality offerings, like full melt hash and live rosin. In fact, the solventless category is “primed for premiumization and growth in legal cannabis markets,” according to BDSA retail sales analytics. This is especially true in the dabbable concentrate product category and predicted in the vaping concentrate category as well.

With popular annual holidays like 7/10 (the cannabis community’s holiday for celebrating oil products, dabs and concentrates) gaining traction, solventless products are predicted to grow in market share and are worth cannabis companies looking into producing as demand rises among consumers who are always looking for innovative products that feature solventless concentrate.

To learn more about Copperstate Farms, visit www.copperstatefarms.com.

Building An Integrated Pest Management Plan – Part 3

By Phil Gibson
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This is the third in a series of articles designed to introduce an integrated pest management framework for cannabis cultivation facilities. To see Part One, click here. For Part Two, click here. Part Four comes out next week and covers direct control options for pest reduction. More to come!

This is Part 3: Preventive Measures

Preventive measures are a great investment in the profitability of your operations. Our objective is to ensure successful repeat harvests forever. Build your procedures with this in mind. This means maintenance and regular review. We all realize that this work can be monotonous drudgery (we know!), but these procedures will ensure your success.

Figure 1: New Air Shower Access Installation

As a summary to begin, pest access must be limited wherever possible. Employees are the first place to start, but we must also return to our site map and review our facility design and workflows. Every operation has to move plants from nursery through harvest and post-harvest. Where should cleaning happen? Of course, you have to clean up post-harvest but when should this occur during the grow cycle? What is the best way to monitor and clean environmental management systems (i.e. air, water) and what are the weaknesses in the physical barriers between operations? Let’s walk through these issues one-by-one.

Employee Access and Sterile Equipment

Follow procedures to screen and protect your employees both to eliminate pests and to avoid exposing your employees to harmful chemicals or storage areas. Look for ways to isolate your workflow from pest access. Be certain that your facility is airtight and sealed with filtration of molds, spores and live organisms in your air intake areas. Air showers at your access points are important to screen your employees on their way into your gowning areas and grow facility. Clothing should be standardized and shoe coverings or crocs should be provided for all employees that access your interior. Look for ways to stop all pests (embedded, crawling, hopping or flying) in all of your room assignments (mothers, clone, veg, flower, trim and drying). This can be improved with shoe baths, sticky mats, frequent hygiene (hand washing and cleaning stations) and procedures for entry.

Always consider requiring hair & beard nets, shoe covers and disposable gloves in plant sensitive areas.

Chemical Access & Protective Equipment

Figure 2: Example Facility Map – Understand Workflow & Barriers to Pest Access

Personal protection equipment (PPE) is very important to protect any employee that will come in contact with materials, liquids or vapors for chemical resources. Establish procedures for chemical use and train employees in the safe handling of these materials. Typical equipment includes high density chemical protective gloves, boots, respirators, Tyvek (or equivalent protective wear) suits and eye protection or goggles.

Chemical access areas and their use should be restricted to employees familiar with their authorized application. Always remember that cannabis is an accumulator plant, and it will absorb and hold onto chemical treatments. Appropriate isolation and safety procedures must be followed for chemical use. Not following these restrictions can expose your employees to dangerous chemicals or get your entire harvests rejected at testing.

Facility Map & Workflow

Because insects would like to be everywhere and they come in many types (root zone, crawling, flying, microscopic, bacterial or biofilm), the facility workflow must understand where they are and how they might migrate if they penetrate your defenses. Note airflows in your rooms and fan locations so migrations can be predicted once an infestation is located. Where are your opportunities for full clean-up and disaster recovery in your building? Where should you stage maintenance filters, test kits, water and cleaning materials. How best to clean up and dispose of sealed garbage containers or cleaning materials?

Operational Cleaning & Post-Harvest Reset

When compiling your preventative measure documents, it is critical to create a repeatable operating procedure for cleaning and sanitizing your rooms, systems, and growing spaces after each harvest. Plant material handling, cleaning surfaces and wipe methods should all be documented in your Standard Operating Procedures (SOPs). Define what “clean” is. Removing plants and plant debris is pretty clear but define how to drain reservoirs, clean pipes, change filters and clean and sterilize your rooms. Operators must be trained in these SOPs and reminded of their content on a regular schedule. This is how you avoid outbreaks that can crush your profits.

Physical Barriers & Maintenance

Figure 3: HVAC Air Filtration, Dehumidification, & Air Movement, Onyx Agronomics

Document your sealed spaces and define your normal room and access door barrier interfaces. Review the status of any known cracks or gaps in your perimeter. Are there any known leaks or piping that has been seen as a risk or a problem in the past? Are there any discoloring or resident mold locations (Never happens, right?). Baseline how much time and people resource a harvest operation and cleaning effort should take. Will you do this after every harvest or compromise your risk by delaying to every third or fourth harvest? Create your barrier SOP.

Environmental Control & HVAC

Managing the air quality provided to your plants is critical to your yields. Controlling CO2, air movement rates (the leaf happy dance), humidity, air filtration and sterilization methods must be maintained and cleaned on a regular basis. Do you need to change the HEPA or other particulate filters? Is there any UV light sterilization maintenance? We have all seen the home HVAC air conduit cleaning commercials. Your commercial facility is no different. How will you clean your air and water plumbing systems? How often will you perform this full reset? When will you calibrate and data log your sensors for temperature, humidity, CO2 and water resources? Put everything about your environmental set points into your maintenance document and decide when to validate these. Molds, mildews and biofilm hazards are all waiting for unmonitored systems to open the door for access.

In Conclusion, This Week

If you’re an IPM nerd and this dynamic topic did not put you to sleep, you can read more detail and examples for your integrated pest management procedures in ourcomplete white paper for Integrated Pest Management Recommendations, download the document here.

In our next chapter, Direct Control Options, we will review what you can use to protect or recover control of your facility including both chemical and non-chemical tools and methods. In our final two chapters, we will discuss extermination of the determined pests that breach your defenses. And with great expectations, our final chapter will discuss emergency response and time to go to war!

Part Four comes out next week. See you again soon!

Cannabis Quality Conference & Expo logo

Registration Opens for 2023 Cannabis Quality Conference

By Cannabis Industry Journal Staff
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Cannabis Quality Conference & Expo logo

May 4, 2022 – Registration for the Cannabis Quality Conference & Expo (CQC), taking place October 16-18 at the Hilton Parsippany in New Jersey, is now open.

The agenda will feature breakout sessions, keynotes and panel discussions that will help attendees better understand the cannabis markets in the region and provide insights on best practices and business strategies. The conference will begin with a number of pre-conference workshops on Monday, October 16:

  • The Seed to Sale Safety Workshop
  • Food Safety Auditor Training
  • CP-FS Credential Review Course
  • The Food Safety Culture Design Workshop

The conferences will run all day Tuesday, October 17 and throughout Wednesday, October 18. The full agenda is expected to be announced in the coming weeks. Notable speakers include:

  • Tahir Johnson, Founder, Simply Pure
  • Steven M. Schain, Esquire, Attorney at Smart-Counsel, LLC
  • Jay Czarkowski, Founding Partner, Canna Advisors
  • Michael Kramer, Quality Assurance Director, Wana Brands
  • Casey Leaver, Director of Regulatory Compliance, Vicente LLP
  • Sumer Thomas, Director of Regulatory Affairs
  • Rachel Wright, Managing Partner, ABFinWright
  • Ernest Toney, Founder, BIPOCann
  • Victor Guadagnio Jr., Co-Founder, Canna Remedies NJ

The Cannabis Quality Conference and the Food Safety Consortium are co-located this year, taking place in the same venue and at the same time. Registered attendees get full access to both conferences.

Registration options are available for full conference passes for both the Cannabis Quality Conference and the Food Safety Consortium as well as all pre-conference workshops.

Event Hours

  • Monday, October 16: Pre-conference workshops, 8 am – 6:30 pm (ET)
  • Tuesday, October 17: 8 am – 6:30 pm (ET)
  • Wednesday, October 18: 8 am – 3 pm (ET)

Tabletop exhibits and custom sponsorship packages are available. For sponsorship and exhibit inquiries, contact RJ Palermo, Director of Sales, and Chelsea Patterson, Account Executive.

About Cannabis Industry Journal 

Cannabis Industry Journal is a digital media community for cannabis industry professionals. We inform, educate and connect cannabis growers, extractors, processors, infused products manufacturers, dispensaries, laboratories, suppliers, vendors and regulators with original, in-depth features and reports, curated industry news and user-contributed content, and live and virtual events that offer knowledge, perspectives, strategies and resources to facilitate an informed, legalized and safe cannabis marketplace.

About the Cannabis Quality Conference & Expo

The Cannabis Quality Conference & Expo is an educational and networking event for the cannabis industry that has cannabis safety, quality and regulatory compliance as the foundation of the educational content of the program. With a unique focus on science, technology, safety and compliance, the “CQC” enables attendees to engage in conversations that are critical for advancing careers and organizations alike. Delegates visit with exhibitors to learn about cutting-edge solutions, explore three high-level educational tracks for learning valuable industry trends, and network with industry executives to find solutions to improve quality, efficiency and cost effectiveness in the evolving cannabis industry.

Advancements in Extraction & the Growth of the Concentrate Category

By Dr. Dominick Monaco
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Due to quick progressions in legalization, today’s cannabis industry bears little resemblance to the industry of five years ago. As the cannabis space gains mainstream acceptance, it resembles more “traditional” industries closely. In turn, how we consume cannabis has changed dramatically within this novel legal framework.

A brief visit to a cannabis dispensary quickly illuminates just how much the industry has changed in the past few years.

Within the dynamic of modern cannabis, perhaps no vertical has seen the same advancements as cannabis extracts. It’s precisely the growth of the concentrate category that has given rise to the many branded products that define the legal market.

To give a clear picture of how advancements in extraction have stimulated the concentrate category’s growth, we put together this brief exploration.

Standards & Technology

extraction equipmentBefore legalization, the production of cannabis extracts was a shady affair done in clandestine and often dangerous ways. Especially concerning BHO (Butane Hash Oil), home-based laboratories have long since been notorious fire hazards. Even more, with a total lack of regulation, black-market extracts are infamous for containing harmful impurities.

In the few short years that cannabis has been legal in Nevada, Washington and other states, extract producers have adopted standards and technology from more professional arenas. By borrowing from the food and pharmaceutical industries, concentrate companies have achieved excellence undreamed of a decade ago.

Good Manufacturing Practices

One of the essential elements in the extracts vertical advancements is the adoption of good manufacturing practices. According to the World Health Organization website, “Good Manufacturing Practice (GMP) is that part of quality assurance which ensures that products are consistently produced and controlled to the quality standards appropriate to their intended use.”

When adult-use cannabis was legalized in markets such as Colorado, cannabis companies were able to come out of the shadows and discuss GMPs with legit businesses. In doing so, they implemented professional controls on extract manufacturing in accordance with “quality standards” of state regulatory agencies.

Supercritical CO2 Extraction

As cannabis businesses adopted GMP from other industries, extract producers also embraced more sophisticated technology. Of these, supercritical CO2 has pushed the cannabis concentrates vertical into the future.

IVXX processingAccording to the equipment manufacturer Apeks Supercritical, “CO2 is considered to be a safer method of extraction because the solvent is non-volatile. The extract is purer because no trace of the solvent is left behind. It is also versatile and helps protect sensitive terpenes, by allowing cold separation.” By deriving methods from food production, supercritical equipment manufacturers have given cannabis companies a viable option for the commercial production of extracts.

Supercritical technology has helped push the concentrates vertical forward by providing a clean and efficient way to produce cannabis extracts. Nonetheless, supercritical CO2 equipment is highly sophisticated and carries a hefty price tag. Producers can expect to pay well over $100,000 for commercial supercritical CO2 extraction setup.

Products

Just as standards and technology have evolved in the cannabis extracts vertical, we have also seen products rapidly mature. Notably, the legal environment has allowed manufacturers to exchange ideas and methods for the first time. In turn, this dialogue has led to the development of new products, like isolates and live resin.

Isolates

Just as the name implies, isolates are concentrates made from a singular, pure cannabinoid. In today’s market, CBD isolates have grown increasingly popular because people can consume pure CBD without ingesting other cannabinoids or plant materials, including the legal 0.3% THC found in hemp.

Isolates are made by further purifying cannabis extracts in the process of purification, filtration and crystallization. As seen with other concentrates, isolates are used as the base for many cannabis products, such as gummies.

There is also growing interest in CBG isolate, which is another non-psychoactive cannabinoid when consumed orally.

Live Resin

The cannabis concentrate live resin has taken the industry by storm over the past few years. Live resin is a form of extract that is originally sourced from freshly harvested and frozen cannabis plants. The primary selling point behind this extract is the fact that fresh flowers produce much more vibrant aromas and flavors than dried cannabis. Interestingly, this pungency is tied to the preservation of terpenes in live resin.

Just a few of the dozens of various products types on the market today.

To make live resin, producers “flash freeze” fresh cannabis plants immediately after harvest. Valuable cannabinoids and terpenes are then extracted from the fresh, frozen plant material using hydrocarbon solvents. This whole process is done at extremely cold temperatures, ensuring no thermal degradation to the precious and volatile terpenes.

In lieu of these intricate steps to preserve the flower and extracts, live resin has continuously gained popularity. Namely because vaping with live resin is the best way to sample fresh cannabis terpene profiles in its most authentic fashion

It is amazing to see how much cannabis extracts have grown and progressed with legalization. Due to such amazing advancements in standards, technology, and products, the concentrates category has exploded on the dispensary scene. In today’s market, flowers have been largely sidelined in favor of concentrate-based products like gummies. These products now adorn dispensary shelves in beautiful packaging replete with purity and testing specifications.

It’s an often-overlooked fact that the purity standards of the legal extracts have made reliable cannabis brands possible in the first place. You cannot develop a cannabis brand without consistent products that customers can rely on; all things considered, it can be said that advancements in extraction have not only stimulated the concentrate category but the entire industry as we know it today.

Cannabis Extracts for the Informed Consumer: Solvent or Solventless

By Nick J. Bucci
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Editor’s Note: Nick Bucci is a freelance cannabis writer. You can view his work here 


As cannabis markets continue to gain traction, inconsistent and largely unpredictable markets have left recreational consumers in an informational fog. Try as the industry may, or may not to inform consumers, the lack of knowledge was evident when an established Colorado hash company opened a second operation in California. Expecting high demand for their solventless concentrates, the demand for their solvent-based counterparts came as a surprise. Initially hoping to eliminate solvent extracts from their product line-up, the company was forced to devote about half their overall production to solvent extracts, until information spreads and attitudes start to change. Over the past year several companies have joined the solventless side of history, but consumer understanding remains largely stagnant. For those immediately overwhelmed by terminology, cannabis extracts, concentrates or hash are all interchangeable terms describing concentrated cannabis. Under these umbrella terms, two distinct categories emerge depending upon whether chemical solvents were or were not used to extract the hash. Hence: solvent or solventless. A brief overview of cannabis concentrates will help consumers to understand the evolution away from solvent extractions and toward a superior solventless future.

ecxtractionfig2
Science and economics merge when considering all the possible uses of concentrated compounds to final product formulations

Before regulated cannabis markets, cannabis extracts had long been in use. These old-world methods of cannabis extraction use very basic solventless techniques to create more potent, concentrated forms of cannabis. Dry sifting is easily the oldest form of cannabis extraction and a prime example of one solventless technique. Something as simple as shaking dried cannabis over metal screens and collecting the residue underneath creates a solventless product called keif. Dark brown bubble-hash, made popular decades ago, is another ancient technique using only ice and water to perform extractions without chemical solvents. After decades of stagnant and limited old-world methods, changes in legislation allowed cannabis sciences to flourish. These old-world hash methods were quickly forgotten, replaced by the astonishing progress of modern solvent extractions.

Tetrahydrocannabinol (THC), just one of hundreds of cannabinoids found in cannabis.

The emergence of solvent extracts revolutionized cannabis around 2011, creating new categories of cannabis products that exploded onto the scene. Not only did solvent extracts produce the most potent and cleanest forms of hash ever seen at this point, it also created new possibilities for hash-oil vape cartridges and cannabis extract infused edibles. These solvent extracts use butane, propane, or other hydrocarbon solvents to extract, or “blast” cannabinoids from the plant. By running solvents through cannabis and then purging or removing leftover, residual solvents, a super-potent, premium hash product is achieved. Regulated markets require testing to ensure only a safe level, if any, of the solvent used in the extraction process remains in the final product. This technology ushered in the first wave of concentrates to medical and recreational markets under the descriptive titles of wax, shatter and crumble. While these effective and affordable products can still be found today, far superior products have largely replaced wax and shatter. Distillation techniques can further purify and isolate THC-a, while removing harmful residual solvents. For a time, Solvent-free was used to describe this ultra-purified distillate, but the needless term has fallen out of use. Solvent-free is still a solvent extraction using chemical solvents, don’t be fooled. Distillation and CO2 extractions have fallen into general disfavor as they destroy the flavorful terpenes and valuable cannabinoids, that when present create an “entourage effect.” This “entourage effect” happens when the medicinal and recreational properties are most effective, pronounced, and impactful due to a full range of terpenes and cannabinoids being present in the final product. With companies manually reintroducing terpenes to their final extracts, it’s an attempt to restore what was lost during solvent extraction processes. Many brands claim to use cannabis derived or food-grade terpenes to infuse or reintroduce terpenes into their purified hash oils. While this adds flavor and taste, especially to distillate cartridges, it’s far from an ideal solution. Armed with this new information, the informed consumer looks for a full profile of terpenes and cannabinoids in their hash.

THC-A crumble, terpene-rich vape oil, THC sap (from left to right).

With terpene preservation a new priority, all aspects of hash making were reevaluated. By using fresh-frozen cannabis flower, solvent extractions quickly reached new heights. Using the same techniques as prior solvent extractions, the cannabis plant is frozen immediately upon harvesting, rather than trimming and drying the crop as usual. Freezing the plant preserves valuable terpenes helping to create a new category for hydrocarbon extracts under the general label of live resins. This live resin, containing vastly greater profiles of terpenes and cannabinoids than earlier waxes, shatters or crumbles is sold as live-resin sauce, sugar, badder, frosting, diamonds and more. Many versions of live resin re-use previous terms that describe consistencies. These live resin solvent extracts outperform the wax, crumble and shatters of old, and are priced accordingly. Some of the best solvent extracts available today use butane to extract hash oil, which forms THC-a crystals and diamonds seen in live resin sauces. Having learned the value of terpenes and cannabinoids, early efforts to purify THC were clearly misled. The industry defining use of fresh-frozen cannabis flowers greatly improved the quality of all extracts having realized the psychoactive effects are largely dependent on the various profiles of cannabinoids and terpenes. Pure THC-a crystals and isolates are easily achieved with solvent extractions but, produce inferior effects both medicinally and recreationally. Discovering the “entourage effect” as described earlier, these elements of cannabis allowed old-world solventless techniques to be re-inspired and reinvigorated with the benefit of healthy genetics and a hearty understanding of past mistakes.

Having gone full circle, solventless techniques are again at the forefront of the cannabis industry, having attained near perfection for our current understanding of cannabis anatomy.

figure1 extract
The increasingly finer mesh works to separate and extract microscopic trichomes

Using the lessons and tendencies of prior extractions, the solventless method, in all its final forms, begin with the same initial process to make ice-water hash oil. Often referred to as solventless hash oil (SHO), fresh-frozen flowers are submerged in ice and water, soaked and agitated before the water is filtered through mesh screens. As these mesh screens are measured by microns, the increasingly finer mesh works to separate and extract microscopic trichomes that break free from the cannabis plant. The 120- and 90-micron mesh screens usually collect pristine trichome heads. After scraping the remaining material from the screens, its sieved onto trays where the hash can dry using modern techniques of sublimation. The results are beyond phenomenal and are sure to shock even life-long cannabis consumers. This technique isolates only the most potent and psychoactive parts of the plant, to produce white to clear solventless ice water hash. When done with precision 6-star ice water hash is formed. The hash can be sold and consumed as is or undergo additional solventless techniques to produce hash-rosin. Not to be confused with live-resins, rosin uses pressure and slight heat to squeeze ice-water hash, into hash-rosin. Some companies have elected to whip their rosins into a solventless badder or allow their hash rosins to undergo a cold cure process that creates textures and varieties like hash rosin sauce. Regardless of the final solventless product, they all begin as ice water extractions. These simple, natural methods of extraction are quickly being adopted by companies known for live resin. As solventless extracts are safer, cleaner and superior in quality to solvent chemical extractions, the race is on as the industry shifts toward a solventless future.

While I’d be happy to never see another solvent extract again, without the miraculous breakthroughs and advances in all aspects of cannabis manufacturing and production we may have not yet arrived where we are today. When using solvents to extract, the trichomes, which contain the full spectrum of terpenes and cannabinoids, are dissolved by the solvent, which is then evaporated off, leaving behind dissolved trichomes. In solventless hash, these trichomes remain whole and are never dissolved or broken down. Instead they are broken free by agitation in ice and water, separating the trichome heads from their less-active stems. These valuable trichomes heads contain everything pertinent and are never destroyed, dissolved or melted like solvent-extractions are forced to do. The benefit of keeping the heads of these trichomes whole results in a far superior product expressing the full profile of terpenes and cannabinoids the way mother nature intended. This natural profile of trichomes lends itself directly to the entourage effect that solvent extracts were found to be missing.

Extraction techniques are not equal and depend upon whether quality or mass production is the aim. Solvent extracts have quickly begun to represent the old-guard of mass-produced cannabis concentrates, with the solventless new-guard focusing on quality, small batch, hash-rosin excellence.