Journal
MOLECULES
Volume 14, Issue 12, Pages 4922-4935Publisher
MDPI
DOI: 10.3390/molecules14124922
Keywords
anthocaynins; non-anthocyanins; phenolic compounds; phenolic profile; wine grape
Funding
- National Natural Science Foundation of China [30671467]
- Modern Agro-Industry Technology Research System [nycytx-30]
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Phenolic compound profiles were investigated by HPLC-MS in two consecutive years to assess genotypic variation in berry skins of nine red Vitis vinifera cultivars. The results showed that the types and levels of phenolic compounds greatly varied with cultivar. Common wine grape cultivars such as Syrah, Cabernet Sauvignon, Cabernet Gernischt and Merlot contained more types of anthocyanins, flavonols, flavan-3-ols, stilbenes and phenolic acids than Gamay, Yan73, Pinot Noir, Zinfandel and Myc kappa aT Po3oBbI(sic). Yan 73 and Pinot Noir had abundant anthocyanins, but only a few non-anthocyanin phenolic compounds. Gamay, Zinfandel and Myc kappa aT Po3oBbI(sic) contained only a few anthocyanins and flavonols. For a grape cultivar, the ratio of one anthocyanin content to total anthocyanin content did not change greatly from one year to the next, unlike for non-anthocyanins. Cluster analysis showed that except for Syrah and Yan 73, the phenolic profiles in the tested grape cultivars had no significant year-to-year variations.
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