Lonicera japonica stem extract is derived from the stems of the honeysuckle plant, Lonicera japonica, which is native to East Asia. This extract is used in various applications due to its potential therapeutic and cosmetic benefits.
Chemical Composition and Structure
Lonicera japonica stem extract contains several bioactive compounds, including flavonoids (such as luteolin and quercetin), phenolic acids (such as chlorogenic acid and caffeic acid), saponins, and essential oils. These compounds contribute to the extract's antioxidant, anti-inflammatory, and antimicrobial properties. The flavonoids present typically have a core flavonoid structure with various hydroxyl and glycosidic substitutions that enhance their biological activity.
Physical Properties
The extract of lonicera japonica stems is typically a dark brown to amber-colored liquid or powder, depending on its concentration and processing method. It has a characteristic, somewhat earthy or woody aroma. The extract is soluble in water and alcohol, with solubility varying based on concentration and formulation specifics.
Production Process (Chemical or Extraction)
The production of lonicera japonica stem extract involves several key steps:
- Harvesting: The stems of Lonicera japonica are harvested when they are mature to ensure the highest concentration of active compounds.
- Preparation: The harvested stems are cleaned to remove any dirt and impurities. They may be cut into smaller pieces to facilitate extraction.
- Extraction: The cleaned and prepared stems undergo extraction using various solvents. Common methods include:
- Solvent Extraction: The stems are soaked in solvents such as ethanol, methanol, or water to dissolve the active compounds. This mixture is then filtered to remove plant debris and concentrated.
- Ultrasonic Extraction: This method uses ultrasonic waves to enhance the extraction process, improving the yield of active compounds.
- Steam Distillation: Although less common for stem extracts, this method can be used to extract essential oils if required.
- Concentration and Purification: The extract is concentrated to increase the potency of the active ingredients. It is then purified to remove any residual solvents or impurities.
- Drying or Formulation: Depending on the desired final form, the concentrated extract may be dried to produce a powder or mixed with other ingredients to create liquid formulations.
- Storage: The final product is stored in airtight containers, away from light, moisture, and heat, to preserve its efficacy and stability.
Applications (Medical, Cosmetics, Others)
Medical: Lonicera japonica stem extract is used in traditional medicine for its anti-inflammatory, antimicrobial, and antioxidant properties. It is included in various herbal supplements and formulations aimed at treating infections, reducing inflammation, and supporting overall health.
Cosmetics: In cosmetic products, the extract is valued for its soothing and anti-inflammatory effects. It is used in skincare products to help calm irritated skin, reduce redness, and provide antioxidant protection.
Others: The extract can also be utilized in dietary supplements and functional foods, where its health benefits and bioactive properties are sought after.
In traditional medical science, it is used to treat pneumonia and acute tonsillitis.
Phytochemical analysis revealed the presence of caffeic acid (antioxidant), chlorogenic acid (anti-cancer), linalool (anti-cancer), triterpenoids, saponins with antioxidant properties.
Cosmetics - INCI Functions
- Antioxidant agent. Ingredient that counteracts oxidative stress and prevents cell damage. Free radicals, pathological inflammatory processes, reactive nitrogen species and reactive oxygen species are responsible for the ageing process and many diseases caused by oxidation.
- Skin conditioning agent. It is the mainstay of topical skin treatment by restoring, increasing or improving skin tolerance to external factors, including melanocyte tolerance. The most important function of the conditioning agent is to prevent skin dehydration, but the subject is rather complex and involves emollients and humectants.
CAS 223749-79-9
Environmental and Safety Considerations
Lonicera japonica stem extract is generally considered safe for use in both medicinal and cosmetic products when used correctly. However, as with any botanical extract, there is potential for allergic reactions or skin irritation in sensitive individuals. Environmental considerations include ensuring sustainable harvesting practices to prevent overharvesting and protect natural habitats. It is important to adhere to environmental regulations to minimize the ecological impact of the production process.
