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Researchers Discover A Useful Fat In Waste Material From Canning Of Asian Fruit

May 11, 2011: 10:43 AM EST
Researchers in Thailand have discovered that the seed kernel waste of the edible Asian fruit rambutan can be processed to yield a fat that could possibly be used in the cosmetic and food industries. The fat extracted from the seed kernel – normally a waste product generated in the production of canned rambutan – contains high levels of arachidic acid, which makes the fat highly resistant to oxidation and therefore very stable. The extracted fat is white, solid at room temperature. Other physical and chemical characteristics “compared well with those of conventional fats.” Though the fat needs to be tested for safety before using it in food products, “the merit of using rambutan kernel fat in the cosmetic and food industries may be justified,” the researchers said.
W. Sirisompong, et al., "Response surface optimization and characteristics of rambutan (Nephelium lappaceum L.) kernel fat by hexane extraction", LWT - Food Science and Technology, May 11, 2011, © Elsevier Ltd
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