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Journal article

Extractable amounts of trans-resveratrol in seed and berry skin in Vitis evaluated at the germplasm level

Li X, Wu B, Wang L, Li S...(+4 more)

Journal of Agricultural and Food Chemistry, vol. 54, issue 23 (2006) pp. 8804-8811

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Abstract

Extractable amounts of resveratrol in berry skins and seeds were studied in 120 grape (Vitis) germplasm cultivars during two consecutive years to determine the distribution of resveratrol among the main grape genotypes. Interspecific rootstock cultivars had much higher extractable amounts of resveratrol in skin and seed than all other grape genotypes studied in both years. Extremely high extractable amounts of resveratrol in berry skins [>100 microg g(-1) of skin fresh weight (FW)] and seeds (>20 microg g(-1) of seed FW) were observed on two rootstock cultivars obtained from hybrids of V. monticula x V. riparia. Extractable amounts of resveratrol in berries of rootstock cultivars that are the descendants of V. riparia were also very high. The cultivated European type (V. vinifera) cultivars and their hybrids with V. labrusca had relatively low levels of extractable resveratrol in berry skin and seed, and the extractable amounts of resveratrol in berry skin and seeds were, with a few exceptions,

Author-supplied keywords

  • Fruit traits
  • Grape germplasm
  • Resveratrol

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