Grapefruit.GSE.Function and Application of Grapefruit seed extract.

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Preparation of Grapefruit Seed Extract.

Grapefruit Seed Extract GSE INCI Name CITRUS GRANDIS SEED EXTRACT EINECS ELINCS No 289-904-6 CAS:90045-43-5 photo picture image The extract is prepared by grinding grapefruit seeds and pulp into a fine powder. The powder is dissolved into purified water and distilled to remove fiber and pectin. The distilled slurry is spray dried at low temperatures forming a concentrated grapefruit bioflavonoid powder. This concentrated powder is dissolved in vegetable glycerin and heated. Food grade ammonium chloride and ascorbic acid are added. This mixture is heated under pressure where it undergoes catalytic conversion using natural catalysts, including hydrochloric acid and natural enzymes. The slurry is then cooled, filtered, and treated with ultraviolet light. Residual ammonium chloride in the final product is between 15 and 18%; residual ascorbic acid is between 25 and 35 mg/kg. There is no residue of hydrochloric acid in the final product. In the United States, standardized GSE contains 60% grapefruit extract materials and 40% vegetable glycerin. A powdered form of GSE is also available that contains 50% grapefruit extract materials, 30% silicon dioxide, and 20% vegetable glycerine.

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citations1.Grapefruit.GSE.Function and Application of Grapefruit seed extract.

last edit date:20th,May.2009.