Chemical profiles of five minor olive oil varieties grown in central Tunisia
作者： Hédia Manai-Djebali , Dhouha Krichène , Youssef Ouni , Lourdes Gallardo , Jacinto Sánchez
DOI: 10.1016/J.JFCA.2012.04.010
关键词:
摘要: Abstract The aim of the present investigation is to discriminate five minor Tunisian olive cultivars ( Hor Kesra , Sredki Chladmi Betsijina and Aloui ) by studying their sterol phenol compositions. This first study chemical composition virgin oils (VOO) from these cultivars. majority analytical parameters presented statistically significant differences P oil was characterized high mean values total phenols (1400 mg kg −1 oxidative stability (113 h). VOOs studied demonstrate that in (min: 253–max: 1400 mg kg ), tocopherol (139–402 mg kg sterols (1039–1567 mg kg triterpene dialcohols (19.1–32.4 mg kg triacylglycerols profiles may be explained genetic factors. Results PCA HCA analyses show a good discrimination between varieties according phenol, triacylglycerol data. These components seem an effective tool varieties.
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