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98% Ellagic Acid
Nanjing Gemsen
CAS 476-66-4
Introduction：
Product Name | Ellagic acid |
Synonyms | Pomegranate peel extract |
| Appearance | White to light yellow powder |
CAS No. | 476-66-4 |
Molecular formul | C14H6O8 |
| Molecular weight | 302.2 |
| Purity | 40%,90%,95%,98%min Ellagic acid |
| Sample | Available |
Ellagic acid is a natural polyphenol found in fruits like pomegranates, berries, and nuts.
It is also known as pomegranate peel extract.
Once absorbed, it helps the body resist oxidative stress and supports skin health.
One of its key functions is to reduce melanin formation—by slowing down tyrosinase activity.
Existing pigmentation breaks down more quickly, and new dark spots are less likely to form.
In the lab, ellagic acid turns blue with ferric trichloride and yellow with sulfuric acid—simple reactions often used for quick identification.
Specification:
Items | Specifications | Results | Methods |
Maker Compounds | Ellagic acid≥40% | 41.99% | HPLC |
Organoleptic | |||
Appearance | Fine Powder | Conforms | Visual |
Color | Light yellow | Conforms | Visual |
Odor | Weak Odor | Conforms | Visual |
Physical Characteristics | |||
Particle Size | 100% Through 80 mesh | 100% | CP2015 |
Loss on Drying | ≤5.00% | 2.10% | CP2015 |
Ash | ≤5.00% | 2.00% | CP2015 |
Heavy metals | |||
Total Heavy Metals | ≤10ppm | Conforms | AAS |
Arsenic (As) | ≤2ppm | Conforms | ICP-MS |
Lead (Pb) | ≤2ppm | Conforms | ICP-MS |
Cadmium(Cd) | ≤1ppm | Conforms | ICP-MS |
Mercury(Hg) | ≤0.5ppm | Conforms | ICP-MS |
Solvent Residue | 5,000 ppmMax | Conforms | GB 5009.262-2016 |
Pesticide Residue | Meet USP<561> | Conforms | ASU L 00.00-34:2010-09 |
Microbiological Tests | |||
Total Plate Count | ≤1000 cfu/g | Conforms | GB4789.2-2016 |
E. Coli | 30MPN/100gMax | Conforms | GB4789.3-2016 |
Yeast | 100 cfu/g Max | Conforms | GB4789.15-2016 |
Mold | 100 cfu/g Max | Conforms | GB4789.15-2016 |
Characteristic Constituents of Ellagic Acid from Gallnut | |||
Anacardic acid | Negative | Conforms | Q/DR JS0202-2021 |
Ginkgoic acid | Negative | Conforms | Q/DR JS0202-2021 |
Conclusion | Complies with the In-house Standard. | ||
Application
Ellagic acid fits well into skincare formulations that target brightness, aging, and environmental damage.
Skin brightening – works by inhibiting tyrosinase, making it a common ingredient in serums, creams, and masks for uneven skin tone.
Anti‑aging support – helps reduce collagen breakdown caused by UV exposure.
Antioxidant layer – captures free radicals, supporting the skin’s natural defense against pollution and blue light.
Used as a natural antioxidant, ellagic acid helps maintain food quality with a clean label profile.
-Oil and fat stability – slows down rancidity, preserving flavor and nutritional value.
-Functional ingredient – added to supplements and functional drinks as a polyphenol source.
-Color retention – helps processed fruit products keep their original appearance during storage.
High‑purity ellagic acid serves as a reliable material for analytical and biological studies.
-HPLC standard – used to identify and measure polyphenols in plant extracts.
-Enzyme assays – commonly applied in studies on tyrosinase and other enzyme inhibitors.
-Cell‑based experiments – supports research on antioxidant pathways and cellular responses.
Ellagic acid provides a stable, plant‑derived base for further processing in the fine chemical and extract industries.
-Extract standardization – acts as a reference marker for ellagitannin‑rich products.
-Synthesis applications – used as a starting material for specialized derivatives.
-Bulk antioxidant blends – incorporated into larger‑scale mixtures for food and cosmetic manufacturing.
Q&A
Q1: What are the natural occurrence forms and botanical sources of ellagic acid?
A1: Ellagic acid exists in free state and mainly in condensed forms (ellagitannins, glycosides) in nature. It is widely distributed in berries, pomegranates, nuts, eucalyptus leaves and other plant tissues.
Q2: What are the key physicochemical properties of ellagic acid?
A2: Pure ellagic acid appears as yellow needle-like crystals with a melting point above 360°C. It features high thermal stability and shows specific color reactions with ferric chloride (blue) and sulfuric acid (yellow).
Q3: What are the mainstream production processes of ellagic acid?
A3: Industrial ellagic acid is mainly obtained by plant extraction; it can also be prepared via hydrolyzation of tannic acid under controlled temperature and pressure conditions.
Q4: What are the standardized application scenarios of ellagic acid?
A4: It is used as a functional raw material for skin care cosmetics, a natural antioxidant for food systems, a research reagent for biochemical analysis, and a polyphenol feedstock for fine chemical industry.
