Fractionation of phytosterol esters in oil

C - Chemistry – Metallurgy – 07 – J

Patent

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Details

C07J 9/00 (2006.01) A23D 9/00 (2006.01) A23D 9/013 (2006.01) A23L 1/30 (2006.01) C11B 3/12 (2006.01) C11B 7/00 (2006.01) C11C 3/00 (2006.01) C11C 3/10 (2006.01) C12P 7/64 (2006.01)

Patent

CA 2473250

A composition comprising at least one diacylglycerol and at least one phytosterol and/or phytostanol ester dissolved or dispersed in an edible oil and/or edible fat, and further optionally comprising monoglycerides.Phytosterol esters may be beta-sitosterol, campesterol, stigmasterol and brassicasterol esters. Phytostanol esters may be stigmasterol, campestanol and sitostanol. The phytosterol and/or phytostanol esters are preferably esters of C14-C22, preferably C16-C18 saturated or unsaturated fatty acids, particularly oleic, linoleic, linolenic, palmitic and stearic acids. The diacylglycerol(s) are preferably 1,3-di-fatty acyl glycerol(s).The invention also provides a process for preparing compositions enriched with triacylglycerol(s) and phytosterol and/or phytostanol esters of mainly unsaturated fatty acid(s) or of mainly saturated fatty acid(s).The invention also relates to dietary food supplements and alimentary products comprising the composition of the invention.

L'invention concerne une composition comprenant au moins un diacylglycérol et au moins un ester de phytostérol et/ou de phytostanol dissous ou dispersé dans une huile comestible et/ou une graisse comestible, et pouvant éventuellement contenir en outre des monoglycérides. Les esters de phytostérol peuvent comprendre les esters de beta-sitostérol, de campestérol, de stigmastérol et de brassicastérol. Les esters de phytostanol peuvent comprendre le stigmastanol, le campestanol et le sitostanol. Les esters de phytostérol et/ou de phytostanol sont de préférence des esters d'acides gras en C14-C22, de préférence en C16-C18, saturés ou insaturés, en particulier d'acides oléiques, linoléiques, linoléniques, palmitiques et stéariques. Le(s) diacylglycérol(s) et les esters de phytostérol et/ou de phytostanol sont de préférence un ou plusieurs 1,3-diacylglycérols d'acides gras. L'invention concerne également un procédé permettant de préparer des compositions enrichies de triacylglycérol(s) et d'esters de phytoestérol et/ou de phytostano, comprenant principalement des acides gras insaturés ou des acides gras saturés. L'invention concerne en outre des compléments alimentaires et des produits alimentaires contenant la composition décrite.

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