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Sweet Alchemy: The Extraction Powers of Glycerine

HigherGroundHerbs&Homestead

2 min read

Jan 29

39

1

When would you choose to use Glycerine (glycerol) for herbal preparations?


Make no mistake that alcohol is the universal solvent, extracting the broadest range of properties from plant material, but Glycerine is often chosen as a solvent for herbal remedies when you want a sweet-tasting, alcohol-free option, making it more suitable for children or those avoiding alcohol. Additionally, glycerin can extract certain compounds that alcohol might not, such as mucilage, making it ideal for herbs with high mucilage content, like marshmallow or slippery elm.


Glycerin is also commonly used in cosmetics due to its hydrating properties. It attracts moisture from the air into the skin, helping to keep it hydrated and smooth. It also acts as a humectant, preventing moisture loss and maintaining the skin's barrier function. Additionally, it has emollient properties, leaving the skin feeling soft and supple. Overall, glycerin contributes to the moisturizing and soothing effects of cosmetic products.


Glycerin is known for its ability to extract certain constituents from plant material, particularly those that are water-soluble or have a high affinity for glycerin. Here are properties that glycerine is best at extracting:

1. Water-Soluble Compounds:

- Glycerin is an excellent solvent for water-soluble compounds. It can effectively extract substances like sugars, polysaccharides, and other hydrophilic components from plant material.

2. Hydrophilic Phytochemicals:

- Glycerin is known to extract hydrophilic phytochemicals, including certain flavonoids and glycosides. These compounds are often soluble in glycerin and contribute to the overall medicinal or aromatic properties of the extract.

3. Humectant Properties:

- Glycerin has humectant properties, meaning it attracts and retains moisture. This makes it particularly suitable for extracting and preserving plant mucilage, a gel-like substance that helps retain water in certain plant tissues.

4. Stability of Bioactive Compounds:

- Glycerin is known for stabilizing and preserving bioactive compounds during extraction. This can be beneficial for maintaining the potency of certain phytochemicals over time.

5. Mild Extraction:

- Glycerin provides a gentle extraction process, making it suitable for delicate plant materials or those with heat-sensitive compounds. This is especially relevant for preserving the medicinal properties of herbs.


Noteworthy Considerations:


It's important to note that glycerin may not be as effective in extracting certain lipophilic (fat-soluble) compounds compared to other solvents like alcohol. The choice of solvent depends on the specific properties of the target compounds and the intended use of the plant extract. Always refer to established protocols or consult with experts in the field for guidance on the optimal extraction method for the plant material in question.


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HigherGroundHerbs&Homestead

2 min read

Jan 29

39

1

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