Grape juice is a major source of potential health-promoting bioactive polyphenols, especially for children and those who do not consume wine. Since the subtropical climate may negatively affect the concentrations of grape polyphenols, especially anthocyanins, elicitors such as methyl jasmonate (M...

Vitis labrusca L. grapes are largely cultivated in Brazil, but the tropical climate affect negatively the phenols content, especially anthocyanin. Therefore, researches are focusing on increase grape phenols content; with methyl jasmonate application (MeJa) considered a good alternative.

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