Explorando por Autor "Gonzalez, Ana"

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Colesterol y óxidos de colesterol en carne de pollo
(Pontificia Universidad Católica del Perú, 2006) Velarde Laos, Edmundo; Gonzalez, Ana
The contents of tota lipids, cholesterol and cholesterol oxides we determined in chicken meat purchased fromen farms in Lima. Chicken meat presented differentvalues of total lipids and cholesterol. Breast chicken presentedthe lowest values of total lipids and cholesterol while the skinpresented the highest values.A gas chromatograph – mass spectrometer (GC – MS) was employed to confirm the structure of theoxides: 7-ketocholesterol was found infarms ; 7- hydroxycholesterol was foundfollowing cholesterolthe three chickenin wing of chickenfarm 1 and in the skin of chicken farm 2; 7-hydroxycholesteroland - epoxycholesterol in the skin of chicken farm 2.
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Reacción de Claisen-Schmidt para la obtención de chalconas
(Pontificia Universidad Católica del Perú, 1995) Velarde Laos, Edmundo; Gonzalez, Ana