Examination of biogenic amines in grapevine musts originating from vineyards treated with different viticultural practices
2018
Nagy, Attila | Bálo, Borbála | Ladányi, Márta | Fazekas, István | Kellner, Nikolett | Nagy, Balázs | Nyitrainé Sárdy, Diána
Viticultural practices as defoliation (DF) and cluster tipping (CT) (hereinafter referred to as the abbreviation) are often used for crop regulation to enhance quality. Reduced yield can be accompanied not only with more favourable sugar-acid composition but also with changes of other chemical compounds in the berries, for example, biogenic amines as well. The latter play a significant role in human health. The experiment has been carried out at three different growing sites of Hungary in 2014. DF was done at full bloom, CT occurred when the berry reached pea size. Berry sampling for biogenic amine analysis was carried out several times during the ripening period. In our trial, we examined the effect of the above-mentioned treatments, the sites and the sampling dates on the amount of berries’ biogenic amine content. We concluded that DF and CT changed the amount of each type of amines in the berries. According to our measurements the treatments and the site did affect the amount and composition of biogenic amines, but the sampling time not. The treatments were most effective in the case of histamine which is crucial for triggering allergic reactions.
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