What is solventless extraction? Understand its techniques!

Solventless extraction refers to methods of extracting the desired compounds from plant material, such as cannabis, without using any chemical solvents. This is in contrast to solvent-based extraction methods, which use solvents like butane or CO2 to separate the desired compounds from the plant material.

Why are Solventless Methods widely considered?

• Solventless extraction methods are generally considered to be safer and more environmentally friendly than solvent-based methods.
• As they do not involve the use of potentially harmful chemicals. 
• They can also produce a higher quality product, as the absence of solvents helps to preserve the natural flavours and aromas of the plant.
• With the rise in demand for premium cannabis concentrates, an increasing number of individuals are opting for solventless extraction techniques. 
• These methods enable the creation of concentrates without utilising chemicals or solvents, leading to a purer, cleaner product. 

What are the most commonly used solventless extraction techniques currently? 

1. Rosin Extraction 

• Rosin pressing is among the most favoured methods for extraction without solvents. 
• It employs heat and pressure to obtain the essential oils from cannabis buds or hash.
• The method is straightforward but powerful, which makes it popular with both home users and professionals. 
• The outcome is a premium concentrate abundant in terpenes and cannabinoids, produced without the use of chemicals. 

Reasons for Its Popularity: 

1. Quick and simple to operate 
2. It can be accomplished at home with proper tools. 
3. Generates a pure and powerful extract 

2. Ice Water Hash (Bubble Hash) 

• Ice water hash, also known as bubble hash, is produced by stirring cannabis in very cold water. 
• This procedure isolates the trichomes from the botanical substance. 
• The trichomes subsequently settle at the bottom, allowing them to be filtered and dried into an effective concentrate. 

Reasons for Its Popularity: 

1. Creates a concentrate with a full range of spectrum 
2. Preserves the authentic tastes and scents of the plant. 
3. No chemicals used 

3. Dry Sifting 

• Dry sifting uses screens or sifters to isolate trichomes from cannabis buds or trim. 
• The substance is softly pressed against screens, and the delicate, resinous trichomes are gathered. 
• This technique is among the earliest types of extraction without solvents. 

Reasons for Its Popularity: 

1. Simple and easy to access 
2. Creates a strong, refined extract 
3. Essential gear is required. 

Conclusion

Solventless extraction techniques such as rosin pressing, ice water hash and dry sifting are becoming more popular due to their capacity to produce premium concentrates without using aggressive chemicals. As individuals keep searching for cleaner, more natural products, these techniques are anticipated to expand.