Bilberry Extract

Bilberry Extract

Product Name Bilberry Extract
CAS Number 84082-34-8
Botanical Name Vaccinium myrtillus L.
Appearance Dark purple to violet fine powder
Active Component Anthocyanosides
Assay 25% Anthocyanosides (UV-Vis)
Extract Ratio 100:1
Loss on Drying ≤5.0%
Heavy Metals ≤10 ppm
Particle Size 80 mesh
Package 25 kg fiber drum with double PE liner

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Synonyms: Bilberry Extract, Vaccinium myrtillus extract, Bilberry fruit extract, European blueberry extract, Anthocyanoside extract, Myrtocyan.

Bilberry extract delivers a concentrated profile of anthocyanosides—primarily cyanidin, delphinidin, and malvidin glycosides—that give the fruit its deep blue-purple color and much of its biological activity. These flavonoid pigments are potent antioxidants, capable of scavenging free radicals and supporting vascular integrity.

Derived from the ripe fruits of Vaccinium myrtillus L., a low-growing shrub native to the cool forests of Europe, bilberry has a long history in traditional European medicine, particularly for eye health. Modern extraction yields a standardized powder that concentrates the anthocyanoside content far beyond that of the fresh fruit, making it practical for use in dietary supplements and functional foods.

With growing consumer interest in vision support and antioxidant protection, bilberry extract has become a staple in the nutraceutical industry. It is also explored in research for its potential roles in capillary health, blood sugar balance, and cognitive function.

Chemical Structure & Properties

Anthocyanosides are glycosylated polyhydroxy flavylium salts. Their antioxidant capacity arises from the phenolic hydroxyl groups, which donate hydrogen atoms to neutralize free radicals. The extract is water-soluble and typically standardized to 25% anthocyanosides, though higher concentrations (36%) are available. It appears as a fine, free-flowing powder that is stable under proper storage conditions.

Mechanism of Action

  • Antioxidant defense: Scavenges reactive oxygen species, reducing oxidative stress in ocular and vascular tissues.
  • Capillary protection: Stabilizes collagen in capillary walls, reducing permeability and supporting microcirculation.
  • Visual cycle support: Accelerates rhodopsin regeneration, which may improve dark adaptation.
  • Anti-inflammatory modulation: Inhibits pro-inflammatory mediators, contributing to overall cellular health.

Quality Specifications

Parameter Specification
Assay (Anthocyanosides) ≥25.0% (UV-Vis)
Appearance Dark purple to violet fine powder
Loss on Drying ≤5.0%
Heavy Metals ≤10 ppm
Total Plate Count ≤10,000 cfu/g
Yeast & Mold ≤1,000 cfu/g

Supply & Documentation

  • Capacity: 20 metric tons per month
  • Lead time: 3-5 business days (stock items)
  • Documentation: COA, MSDS, TDS available upon request
  • Packaging: 25 kg fiber drums with double polyethylene liners, or customized packaging

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