Blueberry Anthocyanins
Blueberry Extract Manufacturer | 25% Anthocyanins (Vision Care) Headline: Blueberry Extract Powder | Natural Anthocyanins for Eye Health Sub-info: Assay 25% Anthocyanins (UV) | Source: Vaccinium corymbosum / V. uliginosum | Clean Label. USP: • Cost-Effective Vision Support: A potent and economical alternative to European Bilberry (Vaccinium myrtillus), offering similar anthocyanin profiles for mass-market eye care products. • High Antioxidant Capacity: Rich in Cyanidin-3-Glucoside (C3G), providing exceptional ORAC values to combat oxidative stress. • Authenticity Guaranteed: Validated by HPLC Fingerprinting to rule out adulteration with cheap black rice or mulberry extracts.
Introduction
Blueberry Anthocyanins are a group of potent bioflavonoids extracted from the fruit of Blueberries (Vaccinium spp.). While closely related to the European Bilberry, Blueberries offer a unique phytochemical profile rich in Malvidin and Delphinidin glycosides.
Our Blueberry Extract is standardized to 25% Anthocyanins, making it a premier ingredient for Vision Health Supplements, Antioxidant Superfoods, and Natural Colorants. We strictly control the sourcing of raw materials—using both Wild Blueberries (higher potency) and Cultivated Blueberries (stable supply)—to ensure consistent efficacy and taste.
Category：
Keywords：
anthocyanins
blueberry
Functions
1.Eye Health (Visual Fatigue)
Anthocyanins accelerate the regeneration of Rhodopsin (visual purple), a pigment in the retina essential for low-light vision. They help reduce eye strain caused by prolonged screen time (Computer Vision Syndrome) and improve night vision adaptation.
2.Microcirculation Support
Blueberry anthocyanins strengthen capillaries and reduce vascular permeability. This enhances blood flow to the eyes and extremities, potentially beneficial for diabetics (retinopathy prevention) and those with poor circulation.
3.Cognitive Function & Memory
Known as "Brain Berries," blueberries have been clinically shown to improve motor performance and working memory in older adults. The anthocyanins cross the blood-brain barrier to reduce neuro-inflammation.
Applications
1.Eye Care Supplements
• Target: Formulation for gamers, office workers, and seniors.
• Blend: Often combined with Lutein, Zeaxanthin, and Vitamin A.
• Claim: "Blue Light Defense," "Eye Strain Relief."
2.Functional Foods & Gummies
• Usage: Berry-flavored gummies or chewables.
• Benefit: Provides a natural deep purple color and specific health benefits, avoiding artificial dyes like Red 40 or Blue 1.
3.Beauty from Within
• Usage: Anti-aging drinks (Collagen boosters).
• Benefit: Anthocyanins inhibit collagenase and elastase enzymes, preventing the breakdown of skin struct.
Flow Chart
Membrane Filtration & Freeze Drying
1.Raw Material: Frozen Blueberries (Whole fruit).
2.Thawing & Crushing: Breaking cell walls to release juice.
3.Extraction: Acidified Ethanol/Water extraction (protects anthocyanin stability).
4.Centrifugation: Removing pulp and seeds.
5.Membrane Filtration: Ultra-filtration to remove sugars and concentrate the active pigment.
6.Purification: Resin adsorption chromatography (Macro-porous resin) to separate Anthocyanins.
7.Drying: Spray Drying or Freeze Drying (Lyophilization) for premium grades.
8.Sieving: 80 Mesh powder.
9.QC Testing: UV Assay, HPLC Profile, Heavy Metals.
10.Packing: 25kg Drums or 1kg Vacuum Bags.
Quality Standard of Lactoferrin
Product: Blueberry Extract 25% Anthocyanins
| Item | Specification | Result |
| Appearance | Dark violet/purple fine powder | Conforms |
| Odor | Characteristic fruity odor | Conforms |
| Anthocyanins (UV) | ≥ 25.0% | 26.4% |
| Anthocyanidins (HPLC) | ≥ 5.0% - 15.0% (Customizable) | 10.2% |
| Particle Size | 95% pass 80 mesh | Conforms |
| Loss on Drying | ≤ 5.0% | 3.5% |
| Ash | ≤ 5.0% | 2.1% |
| Heavy Metals (Pb) | ≤ 3.0 ppm | Conforms |
| Arsenic (As) | ≤ 1.0 ppm | Conforms |
| Pesticide Residues | Meets USP/EU Regulations | Conforms |
| Solubility | 100% Water Soluble | Conforms |
Method of Analysis of Lactoferrin
UV-Vis vs. HPLC
• UV-Vis (535nm): The industry standard for trading. Measures Total Anthocyanins.
• HPLC (520nm): Used for Fingerprinting. A true Blueberry extract will show 15 distinct anthocyanin peaks. Adulterated products (e.g., with Black Rice) will show only 1 or 2 simple peaks (like C3G only). We provide HPLC chromatograms to prove authenticity.
Reference Chromatogram of Lactoferrin Reference Substance
The chromatogram displays a complex pattern of 15 major peaks, corresponding to the galactosides, glucosides, and arabinosides of Delphinidin, Cyanidin, Petunidin, Peonidin, and Malvidin. This "DNA-like" fingerprint confirms the source is genuine Vaccinium.
Stability and Safety
Stability Studies
• pH Sensitivity: Anthocyanins are natural pH indicators.
○ pH < 3: Stable, Red color.
○ pH 4-5: Unstable, Colorless/Fading.
○ pH > 7: Unstable, Blue/Green color.
• Formulation Tip: Best used in acidic beverages (pH < 3.5) or dry capsules/tablets. Avoid high heat during processing.
• Storage: Freeze or cool storage (< 20°C) recommended.
Safety & Handling (MSDS Summary)
• Classification: Non-hazardous food ingredient.
• Safety: GRAS. No known toxicity.
• Handling: Highly hygroscopic! Close bags immediately. Stains skin/clothing purple.
Customer Comments
R&D Developer, Beverage Brand (Canada)
2026.03.19
★★★★☆
Purchasing Manager, Supplement Co. (USA)
2026.03.19
★★★★☆
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FAQ
What is the difference between Blueberry and Bilberry Extract?
• Bilberry (V. myrtillus): Wild European origin. Contains ~36% Anthocyanins. Very expensive. • Blueberry (V. corymbosum): Cultivated/Wild American/Asian origin. Contains ~25% Anthocyanins. More affordable. • Note: Blueberry skin is purple, flesh is white/green. Bilberry flesh is red/purple. We supply both extracts.
Is it suitable for gummies?
Yes, but you must manage the pH. Gummies usually have a pH of 3.0-3.5, which is perfect for maintaining the stability and red/purple color of the anthocyanins.
Can I call it "Wild"?
We have specific batches derived from Wild Blueberries (Vaccinium uliginosum). These have smaller berries and higher antioxidant levels than cultivated ones. Please specify if you need the "Wild" claim for your label.
References
1.Kalt, W., et al. (2020). Recent Research on the Health Benefits of Blueberries and Their Anthocyanins. Advances in Nutrition.
2.Muth, E. R., et al. (2000). The effect of bilberry nutritional supplementation on night visual acuity and contrast sensitivity. Alternative Medicine Review. (Reference for mechanism).
3.Prior, R. L., et al. (1998). Antioxidant capacity and anthocyanin content of blueberries. Journal of Agricultural and Food Chemistry.
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