Purple red Acai Berry Extract 10–25% Polyphenols powder from Euterpe oleracea fruit

Acai Extract 10–25% Polyphenols

Acai berry extract is prepared from the dark purple fruit of Euterpe oleracea, the Amazonian palm, and not from the palm heart, the leaves or the seed. Ethanol extraction takes up the pigments and phenolics of the pulp, and the liquor is dried to a purple red powder that dissolves in water.

The grade range is 10–25% polyphenols by UV, and the primary grade is the 25% end. The powder is 80 mesh and water soluble. The 10% grade suits drink powders and sweet blends, while the 25% grade carries a higher polyphenol load for compact capsules and tablets.

SKU: BOT-STX-0049 Category: Standardized Extracts Tags: Acai, Ethanol Extracted, Fruit & Berry, Gummies & Chews, Polyphenols, Standardized Extracts

Polyphenol Standardization & Grades

The grade reports total polyphenols, a class figure for every phenolic compound in the extract. The acai fruit is a drupe, not a true berry, and its thin purple pulp carries anthocyanins, mainly cyanidin 3-glucoside and cyanidin 3-rutinoside, with proanthocyanidins and phenolic acids beside them. The pulp of the whole fruit is also rich in fat, with oleic and palmitic acids, and an ethanol extract removes most of that fat. The botanical entity is Euterpe oleracea Mart., a palm of the Arecaceae, and the part used is the fruit pulp with its skin.

Grade	Assay & Method	Where It Fits
10% Polyphenols	UV, Folin-Ciocalteu	Drink powders and sweet blends
25% Polyphenols	UV, Folin-Ciocalteu	Capsules and tablets with small fill

The two grades differ by a factor of two and a half. The 25% grade is a polyphenol concentrate that supplies a defined load from a small fill. The 10% grade holds more of the sugars, fruit acids and cocoa-like flavor of the pulp, so acai berry extract at this level suits drink powders and sweet blends. The fruit is also supplied as a 10:1 ratio extract, the Acai Berry Extract Powder, as a spray-dried fruit powder, the Acai Powder, and as a freeze-dried powder, the Freeze-Dried Acai Powder. Those pulp powders retain the fat, fiber and flavor of the whole pulp, and they behave differently from a clean, water-soluble extract. Acai berry extract at 25% is the more concentrated of the two grades, and acai berry extract at 10% is the fuller one. The fruit grows on tall palms and is highly perishable.

Polyphenol Analysis & Purity Risks

The figure is measured by UV with a reagent that reacts with phenolic hydroxyl groups, the Folin-Ciocalteu method. The color that forms is read against a standard phenol and the result is expressed as equivalents of that standard. Anything that reduces the reagent contributes to the reading, including ascorbic acid and some sugars, so the figure is a class measure and not a count of defined compounds.

Acai has a particular analytical feature. Its anthocyanins are a large share of the phenolic content, and anthocyanins respond strongly in this assay, so the polyphenol percentage and an anthocyanin figure by the pH differential method overlap for the same extract. They are not additive and not interchangeable, and the sample should be read by the method named on the certificate.

HPLC is used beside the UV result to show the pigment pattern. A cyanidin 3-glucoside and cyanidin 3-rutinoside pair of peaks identifies the fruit. Sample preparation uses an acidic diluent to stabilize the pigments, a fixed reaction time and a blank for the color of the extract.

Purity risks follow from the fruit. Acai from Euterpe oleracea and the related Euterpe precatoria are both traded, and the pulp, the seed and the palm heart are separate materials. The seed is large and woody and carries little of the pigment. A fixed part, a stated species and the pigment pattern are the first identity checks, and a reading that is high without the cyanidin pair points to another source.

Typical Specifications

Specification Item	Product Information
Latin Name	Euterpe oleracea
Plant Part	Fruit & Berry
Processing	Ethanol Extraction
Compound Class	Polyphenols
Common Name	Acai, Acai Palm Berry
Ingredient Type	Standardized Extract
Marker Compound(s)	Total polyphenols (anthocyanins, proanthocyanidins and phenolic acids)
Primary Grade	25% Polyphenols (UV, Folin-Ciocalteu)
Available Grades	10% · 25% Polyphenols (UV, Folin-Ciocalteu)
Appearance	Purple Red powder
Solubility / Dispersibility	Water Soluble
Quality Parameters
Moisture (LOD)	≤5.0%
Total Ash	≤5.0%
Particle Size	80 mesh
Heavy Metals	Lead ≤2 ppm · Arsenic ≤1 ppm · Cadmium ≤1 ppm · Mercury ≤0.1 ppm
Microbiology	TPC ≤1,000 cfu/g · Yeast & Mold ≤100 cfu/g · E. coli Negative · Salmonella Negative/25 g
Shelf Life	24 months in unopened original packaging, cool and dry storage

Applications by Grade

25% Grade for Compact Capsules

The 25% grade delivers a polyphenol load from a small fill, which suits capsules and tablets of acai. The purple red powder is hygroscopic and stains, so fill in a dry room with an opaque bottle and a desiccant.

25% Grade in Tablet Blends

For acai, tablets of the 25% grade need a dry binder and a moisture-tolerant filler, because the soluble pigment powder softens compacts under humidity. Protect the tablet from light and keep the blend away from iron, which turns the pigment dull violet.

10% Grade in Drink Powders

The 10% grade dissolves in water to a deep red-purple drink with a tart, slightly chocolate-like flavor. Acidic drinks hold the red shade, while a neutral base shifts it toward blue, so set the pH and test the color over shelf life.

10% Grade in Smoothie Mixes

Smoothie mixes use the 10% grade with fruit powders and protein. Polyphenols bind protein and can cloud the drink or tint it gray over time, so test the mix with the intended protein source and dose before scale-up.

10% Grade in Gummy Premixes

Gummy premixes accept the 10% grade for color and fruit flavor. Add the powder after the main cook, keep the pH low enough to hold the red tone, and test that the extra soluble solids do not soften the set of the gel.

25% Grade in Stick Packs

For acai, for acai, stick packs carry the 25% grade at a small fill with an acid and a sweet carrier. Use light- and moisture-barrier film, because the soluble pigment clumps at the seal and fades in clear packs.

Technical & Quality Considerations

The extract is a purple red powder with a faint fruity, earthy odor and a tart, mildly astringent taste. It is water soluble, and solutions are deep red-purple at low pH and shift toward violet and blue-gray as the pH rises. Anthocyanins and other phenolics are sensitive to heat, light, oxygen and metal ions, so acai berry extract fades in clear packs and in systems held hot for long periods.

The sugars and acids that remain make the powder hygroscopic, so it cakes and stains equipment if humid air reaches it. Control humidity at weighing and filling, keep the drum sealed, and use stainless steel or glass contact surfaces.

In liquids, add the powder under agitation to a base that is already at the target pH. Compare each lot with a retained sample for color, pH response and the pigment pattern. The deep pigment stains mixers and hoppers, so schedule clean-down after an acai run, and store the powder in a cool place, in an opaque, sealed container, to keep its shade through shelf life. A retained sample from each lot, tested again near the end of shelf life, shows whether the packaging holds the polyphenol reading and the color together.

Acai berry extract differs from acai pulp powder in that it carries almost none of the fat and fiber of the pulp, so it disperses and dissolves more cleanly, and a lot that looks oily or clumps suggests pulp material.

Packaging & Commercial Supply

Essencefield supports product evaluation, formulation trials, commercial orders, and ongoing ingredient supply. Packaging, storage, and shipping arrangements are determined by product characteristics, order quantity, stability requirements, and destination-market needs.

Supply Item	General Information
Sample	Available upon request for formulation, testing, and supplier evaluation
Order Quantities	100 g · 1 kg · 5 kg · 25 kg · 100 kg · 500 kg · Bulk
Sample Lead Time	Typically 5–7 days after sample confirmation
Production Lead Time	Typically 15–30 days after order and specification confirmation
Packaging	Suitable protective inner packaging with bags, cartons, drums, or other appropriate outer packaging
Storage	Store in tightly sealed, suitable protective packaging in a cool, dry environment. Protect from moisture, heat, and direct sunlight. Specific storage conditions follow the approved product specification.
Documentation	COA · Product Specification · TDS · SDS · Applicable declarations (as applicable)

Final order quantities, lead times, packaging, documentation, and shipping arrangements are confirmed according to the selected product and commercial requirements.