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Black Rice Extract Powder(Oryza sativa L. extract) is a premium botanical ingredient derived from the deeply pigmented black rice bran layer of specialty rice varieties, primarily grown in Northeast Asia (China, Japan, and Korea). Black rice is nutritionally superior to white rice and even brown rice, largely due to its exceptionally high anthocyanin content concentrated in the outer bran layer.

HSF's black rice extract is produced using a proprietary acidified water extraction technology followed by advanced spray drying. Unlike many anthocyanin sources, black rice anthocyanins contain a unique profile dominated by cyanidin-3-O-glucoside and peonidin-3-O-glucoside, which have been extensively studied for their anti-inflammatory benefits.

HSF's black rice powder is a characteristic deep purple-red to dark violet fine powder, standardized to bioactive markers such as anthocyanins. It is widely used in health formulas, functional foods and beverages, and anti-aging products, making it an economically attractive yet scientifically robust ingredient for global nutraceutical brands.

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Specification

Analysis Item	Specification	Result
Assay(UV)	Anthocyanidins≥25%	25.10%
Appearance	Fine Powder	Complies
Color	Purple black	Complies
Odor	Characteristic	Complies
Taste	Characteristic	Complies
Sieve Analysis	100% pass 80mesh	Complies
Loss on Drying	≤5%	3.60%
Ash	≤5%	2.80%
Heavy Metals	≤10ppm	Complies
As	≤1ppm	Complies
Pb	≤1ppm	Complies
Cd	≤1ppm	Complies
Hg	≤0.1ppm	Complies
Pesticide	Negative	Complies
Microbiologial
Total Plate Count	≤1000cfu/g	Complies
Yeast and Mold	≤100cfu/g	Complies
E.Coli	Negative	Complies
Salmonella	Negative	Complies

Advantages of the product
Our black rice extract offers distinct advantages over fruit-based anthocyanin sources:

1. Cost-Effective Anthocyanin Source: Black rice anthocyanins provide anthocyanins at significantly lower cost than bilberry, elderberry, or black goji, making it ideal for mass-market functional foods and beverages.

2. Unique Anthocyanin Profile: The black rice powder profile is dominated by cyanidin-3-O-glucoside (C3G, >70% of total anthocyanins), which has been more extensively studied for cardiovascular and metabolic benefits than many other anthocyanins.

3. Clean Flavor Profile: Unlike the distinct "berry" or "herbal" notes of fruit extracts, black rice extract has a neutral cereal background with mild astringency, making it easier to formulate into savory or neutral-flavored products.

4. Excellent pH Indicator Properties: Black rice anthocyanins exhibit dramatic and reversible color changes across pH ranges-vibrant red at pH 2-3, purple at pH 4-6, blue at pH 7-8, and green/yellow at pH >9-making the extract useful for pH-indicating applications in food science.

5. Rich Co-Component Profile: Beyond anthocyanins, black rice extract contains beneficial co-nutrients including γ-oryzanol (cholesterol-lowering), ferulic acid (antioxidant), and tocotrienols (vitamin E family), providing synergistic health benefits without requiring blending.

Applications
Dietary Supplements: Widely used in cardiovascular health formulas (cholesterol support, blood pressure management), metabolic health supplements (blood sugar support, weight management), antioxidant blends, and eye health products. Formats include hard-shell capsules, tablets, softgels, gummies, and liquid drops.
Functional Foods: Incorporated into breakfast cereals, nutrition bars, crackers, pasta, and baked goods as both a natural purple-red colorant and a functional fortifier. Black rice extract imparts a pleasant purple hue to foods without adding "berry" flavor notes that may conflict with savory applications.
Functional Beverages: Excellent for sports drinks, RTD wellness beverages, antioxidant shots, and powdered drink mixes.
Cosmetics & Personal Care: Added to facial masks, serums, creams, and lotions for antioxidant protection, anti-aging benefits, and natural color. The pH-indicating properties of black rice anthocyanins are also being explored in color-changing cosmetic formulations.
Natural Food Colorant: Black rice extract serves as an alternative to synthetic purple/red colorants and artificial colors. It is heat-stable under acidic conditions and provides clean-label "colored with fruit/vegetable juice" declarations.

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Different sources of anthocyanin

Source	Primary Anthocyanins	Key Positioning
Black Rice	Cyanidin-3-O-glucoside (>70%)	Cardiovascular, metabolic health, natural colorant
Bilberry	Delphinidin, cyanidin, malvidin (complex)	Night vision, circulation, premium eye health
Elderberry	Cyanidin-3-O-glucoside, cyanidin-3-O-sambubioside	Immune support, cold/flu
Black Goji	Petunidin-3-O-glucoside (>60%)	Anti-aging, blue light protection

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Storage and Package
Storage: Black Rice P.E. can be stored for 24 months in a cool, dry place in the unopened original container. It shall be stored in tightly closed containers in a cool and dry place (recommended temperature below 25°C), and protected from heat, light, moisture, and oxygen.
Important Stability Note: Black rice anthocyanins are most stable at pH 3-4. In neutral or alkaline formulations, accelerated degradation will occur unless microencapsulated or specially stabilized grades are used. Consult our technical team for formulation guidance.
Package: Packed in 1kg or 5kg sealed aluminum foil bags (inner PE liner), 20kg or 25kg per fiber drum. Custom packaging is available upon request.