Overview
Lindera Root Extract is obtained from the dried roots of Lindera aggregata, a plant native to East Asia with a long history in Traditional Chinese Medicine (TCM). The extract contains bioactive compounds including linderane, linderalactone, and other sesquiterpenes that contribute to its therapeutic properties. Modern extraction techniques like ethanol reflux or supercritical CO2 extraction are employed to concentrate these active components while preserving their medicinal value. The extract is commercially available in both liquid and powdered forms, with standardized versions offering consistent potency for pharmaceutical applications.
Physical and Chemical Properties
As a natural plant extract, Lindera Root Extract displays characteristic brown coloration and an aromatic, slightly pungent odor typical of sesquiterpene-rich compounds. The viscous liquid form has a density slightly greater than water, while the powdered variant offers easier handling for certain formulations. Key chemical markers include linderane (C15H18O2) and linderalactone (C15H18O3), which serve as quality control benchmarks. The extract shows good stability when protected from oxidation and moisture, with recommended storage in amber glass or food-grade HDPE containers under refrigeration for long-term preservation.
Main Applications
In TCM practice, Lindera Root Extract is primarily used to regulate qi circulation and address digestive disorders such as abdominal distension and epigastric pain. Modern applications include its incorporation into functional foods for gastrointestinal health and topical preparations for its mild anti-inflammatory effects. The pharmaceutical industry utilizes standardized extracts as active ingredients in digestive aids and as complementary components in formulas targeting menstrual discomfort. Some research suggests potential applications in metabolic syndrome management, though these uses require further clinical validation.
Safety and Storage
Lindera Root Extract is generally recognized as safe when used at traditional dosages (typically 3-9g crude herb equivalent daily). However, quality control is essential as adulteration with similar-looking but potentially toxic plants has been reported in some markets. Proper storage requires protection from light, moisture, and temperature fluctuations. Liquid extracts should be used within 2 years when refrigerated, while powdered forms may maintain potency for 3 years under ideal conditions. Safety data sheets should be consulted for workplace handling guidelines, particularly regarding dust control for powdered variants.
B2B Procurement Guide
When sourcing Lindera Root Extract commercially, buyers should prioritize suppliers who provide comprehensive certificates of analysis (COA) including HPLC profiles of key active compounds. Minimum specifications should include linderane content (typically 0.5-2% in quality extracts) and absence of heavy metals/pesticides. For international shipments, verify compliance with both Chinese Pharmacopoeia standards and destination country regulations regarding herbal imports. Bulk purchases (25kg+) often qualify for 15-30% discounts, though sample testing is recommended before large orders. Consider extract ratios (typically 5:1 to 10:1) based on intended application requirements.
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