Determination of the triglyceride composition of grapes by HPLC |
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| Authors: | L. J. R. Barron M. V. Celaá G. Santa-María N. Corzo |
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| Affiliation: | (1) Instituto de Fermentaciones Industriales (C.S.I.C.), Juan de la Cierva 3, 28006 Madrid, Spain |
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| Abstract: | Summary The triglyceride composition of the Tempranillo grape (Vitis vinifera) has been examined by a combination of HPLC and GLC. To identify the triglycerides, equations were applied relating log k′ with the molecular variables: equivalent carbon number, chain length and number of double bonds in each of the fatty acids in the glycerides. Ten triglycerides were found, the principal ones being trilinolein (35.75%), dilinoleyl-olein (21.03%) and dilinoleyl-palmitin (17.02%). |
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| Keywords: | Column liquid chromatography Gas chromatography Triglyceride composition of grapes Identification system |
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