期刊
FOOD CHEMISTRY
卷 240, 期 -, 页码 524-533出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2017.07.152
关键词
Vitis vinifera; Table grape; Antioxidant; Bioactive compounds; Polyphenolics; Carotenoids; Tocopherols; Ascorbic acid; Volatile compounds
资金
- CASDAR project INNORAISIN [53107]
- French Ministry of Agriculture, Food and Fisheries (MAAF)
Six table grape cultivars (Centennial Seedless, Chasselas, Italia, Italia Rubi, Alphonse Lavallee, and Muscat de Hambourg) were analyzed for their levels of soluble solids, titratable acidity, sugars, organic acids, vitamin C and E, carotenoids, polyphenolics and volatile compounds during two successive years. Descriptive sensory analyses of the six table grape varieties were also performed. Mainly due to anthocyanins, black cultivars had the highest total phenolic contents. Alphonse Lavallee had also both the highest levels of trans-resveratrol and piceid, and Muscat de Hambourg the highest levels of a-tocopherol, alpha-carotene and monoterpenols, well-known key aroma compounds in Muscat varieties having also interesting pharmacological properties. This study shows that the two traditional black French cultivars, Muscat de Hambourg and Alphonse Lavalle, are particularly rich in bioactive compounds and have a great potential for human health. Finally, Muscat de Hambourg was significantly rated sweeter, juicier and more aromatic than the others cultivars.
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