Etude des caroténoїdes du raisin à maturité
DOI:
https://doi.org/10.5073/vitis.1987.26.183-191Keywords:
pigments, berry, analysis, variety of vine, vineyard, FranceAbstract
High performance liquid chromatography was used to separate the carotenoidcompounds in grapevine be rries. By comparison with standards prepared by thin-layer-chromatography, β-carotene, lutein, 5,6-epoxy lutein, violaxanthin and neoxanthin were identified. Quantitative determination in 13 varie ties of Vitis vinifera L. gave evidence that, in mature berries , thecarotenoid contents can vary between 0.8 and 2.5 mg/kg of fresh we ight, according to variety. ß-carotene and lutein were present in larger quantities than the other carotenoids . The relative contents of each pigment were different from those of other fruits and resembled to those of leaves. Moreover, carotenoids were determined during 2 years in 2 varieties, Carignane and Sirah, grown in 8 different geographic sites.Downloads
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