Fecha de publicación:
Fuente: WIPO Wine
Disclosed is a method for improving melatonin and aroma of wine grape fruits by utilizing L-tryptophan. The method specifically includes: applying the L-tryptophan during veraison of grapefruits. The present invention can increase content of aroma substances and melatonin in thegrape fruits to achieve more intensive flavour and higher melatonin content, and has importanteffects of increasing nutrition and health care values of the grapes, producing high-end wine andincreasing planting benefits.