Effects of abiotic factors on phenolic compounds in the Grape Nerry - a review
2019
Blancquaert, E. H.(Stellenbosch University Department of Viticulture and Oenology) | Oberholster, A.(University of California Department of Viticulture and Enology) | Ricardo-da-Silva, J. M.(Universidade de Lisboa Institute Superior de Agronomia) | Deloire, A.J.(Montpellier University Department of Biology and Ecology)
Grape berry phenolic compounds are widely described in literature. Phenolics can be divided into two main groups: flavonoids and non-flavonoids, of which the flavonoids are the most important. The two best-known groups of flavonoids are the anthocyanins and condensed tannins (also called proanthocyanidins). Anthocyanins are responsible for the red colour in grapes. The condensed tannins (proanthocyanidins) are responsible for some major wine sensorial properties (astringency, browning, and turbidity) and are involved in the wine ageing processes. This review summarises flavonoid synthesis in the grape berry and the impact of environmental factors on the accumulation rate during ripening of each of the flavonoids. The impact of the accumulated flavonoids in grapes and the resulting impact on the sensorial aspects of the wine are also discussed.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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