Overview
Ashitaba extract is obtained from the leaves and stems of Angelica keiskei, a plant traditionally used in Japanese medicine for its purported longevity-enhancing properties. Modern research highlights its unique composition of chalcones, particularly xanthoangelol, which exhibit potent antioxidant and anti-inflammatory effects. The extract is commonly standardized to chalcone content, with concentrations ranging from 2% to 10%. Its vibrant green color originates from high chlorophyll levels, making it a popular natural colorant in addition to its functional benefits.
Physical and Chemical Properties
Ashitaba extract is typically processed into fine powders or liquid concentrates. The powder form has a hygroscopic nature, requiring careful moisture control during storage. Its solubility profile allows for versatile formulation in both aqueous and alcoholic systems. Key bioactive components include xanthoangelol (a chalcone derivative), coumarins, and vitamin B12 analogs, which are rare in plant sources. These compounds contribute to its free radical-scavenging capacity, with ORAC values often exceeding 50,000 μmol TE/g.
Main Applications
In the nutraceutical industry, Ashitaba extract is incorporated into capsules and powders targeting metabolic health and detoxification. Cosmetic formulations leverage its antioxidant properties for anti-aging serums and brightening creams, where it inhibits melanin synthesis. The food industry utilizes it as a functional ingredient in health beverages and snacks. Emerging applications include pet supplements and aquaculture feed additives, capitalizing on its purported immune-modulating effects.
Safety and Storage
While generally safe for consumption, limited data exists on long-term use. Recommended daily intake typically ranges from 100-500 mg for adults. Allergic reactions, though rare, may occur in individuals sensitive to Apiaceae family plants. Proper storage is critical to maintain potency. The extract should be kept in vacuum-sealed bags with desiccants to prevent oxidation. Shelf life averages 24 months when stored below 25°C with relative humidity under 60%.
B2B Procurement Guide
When sourcing Ashitaba extract, verify the geographic origin (Japanese-grown material commands premium pricing) and extraction method (CO2 or ethanol extracts preserve heat-sensitive compounds). Request certificates of analysis for heavy metals, pesticides, and microbial contamination. For cosmetic applications, prioritize water-soluble versions with particle sizes under 200 mesh. Bulk buyers should negotiate MOQs (typically 25-100 kg) and consider seasonal availability, as harvests peak in spring and autumn.
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