Journal
MOLECULES
Volume 15, Issue 3, Pages 1141-1153Publisher
MDPI
DOI: 10.3390/molecules15031141
Keywords
teinturier grape; anthocyanin; profile; skin; pulp
Funding
- National Natural Science Foundation of China [30671467]
- Special Funds of Modern Industrial Technology System for Agriculture [nycytx-30]
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Yan73 is a teinturier red wine variety cultivated in China and used in winemaking to strengthen red wine color. Here, the anthocyanin profile in both the skin and pulp of this grape variety was analyzed by HPLC-MS. The results showed that 18 anthocyanins were detected in both the skin and the pulp, and pelargonidin-3-O-glucoside, an anthocyanin compound hardly detected in most other Vitis vinifera berries, was found. However, the contents of individual anthocyanins in the skin and the pulp were significantly different. Compared with the skin, the pulp exhibited much lower ratio of 3',5'-substituted to 3'-substituted anthocyanins and much higher ratio of methoxylation of anthocyanin B-ring to non methoxylation, and with regard to the aromatic acylated and aliphatic acylated anthocyanins, both their contents in the skin are higher than in the pulp. The findings will provide some new insight for the tissue-specific expression and regulation of the genes involving in anthocyanin biosynthesis in grape berries.
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