Bulk Engelhardia Leaf Extract Astilbin Taxifolin/Dihydroquercetin 80%

Specification: 80% 85% Astilbin；70% 80% Taxifolin/Dihydroquercetin

Botanic Source: Engelhardia roxburghiana Wall.

Appearance: Light yellow to White Powder

Test Method: HPLC UV

Brand Name: Hunan Nutramax Inc.

Sample: 5-20g Free Sample

1. Astilbin

• Chemical class: Dihydroflavonol glycosides.
• Natural source: Mainly found in Engelhardia roxburghiana leaves, Poria cocos (Smilax glabra) and other plants.
• Appearance: white to off-white crystalline powder
• Molecular Formula: C21H22O11
• Solubility: soluble in water, methanol, ethanol and other polar solvents.

2. Taxifolin ( also known as dihydroquercetin)

• Chemical class: belongs to the flavonoids (Flavonoids), is a dihydro derivative of quercetin.
• Natural Sources: Widely found in pine plants (such as Douglas fir), onions, citrus fruits and some Chinese herbs.
• Appearance: light yellow powder
• Molecular Formula: C15H12O7
• Solubility: Slightly soluble in cold water, soluble in hot water, ethanol and alkaline solution.
• Common applications: As a natural antioxidant, used in food preservation, functional food additives. Used in cosmetics to stabilize the formula or enhance the antioxidant performance of the product.

Why Choose Us?

• Competitive pricing with bulk order discounts.

• Fast global shipping with reliable logistics partners.

• Dedicated technical support for formulation guidance.

Packaging & Shipping

Packing Detail: Packed in paper-drums and two plastic-bags inside. Barrels outside printed name, gross weight, batch number, production units, production time, effective time, storage and transportation methods.

Net Weight: 25kgs/drum. 

Storage Situation: Stored in a well-closed container away from moisture and light. 

Shelf Life:Two years under well Storage situation and stored away from direct sun light.

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