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US 7,740,888 B2Granted
Extracts of passion fruit and uses thereof
AssigneesIndustrial Research Limited, Southwest Scientific Editing & Consulting LLC
InventorsLai Yeap Foo, Yinrong Lu, Ronald Ross Watson
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Abstract
An extract of passion fruit is prepared. The extract has the effect of lowering blood pressure and serum nitric oxide levels in mammals. The extract also provides a hepatoprotective effect, as well as antioxidant and anti-inflammatory effects in mammals. A novel compound was identified in the extract and given the name edulilic acid.
Claims3
An extract of passion fruit containing edulilic acid prepared by a method comprising the steps of:
- (a) contacting passion fruit skin with water to provide an aqueous extract and a solid residue;
- (b) passing the aqueous extract through a column of non-ionic polymeric resin to adsorb phenolic compounds, including at least edulilic acid, from the aqueous extract;
- (c) removing sugars and other polar compounds from the column by passing an aqueous solution through the column;
- (d) eluting the phenolic compounds from the resin using an organic solvent;
- and
- (e) drying the eluent to produce a product having greater than 1% edulic acid by weight.
3 more elements
Dependencies are inferred from the claim text.