In this regard, sulfur dioxide at the additions normally for red winemaking used (30-80 mg L can reduce polyphenol-oxidase activity up to 90% (Boulton et al.. 1998). Additionally, so2 in the range of 40-150 mg kg 1 increases the extraction of phenolics and, specif- ically, that of anthocyanins (Bakker et al 1998: Paterali et al., 2014), Since one of the intended goals of CS is to favor anthocyanin extraction prior to the onset ofAF, the combination of CSwith higher additions of so2 represent an option for minimizing polyphenol oxidase reactions and increasing the retention of anthocyanins.
In this regard, sulfur dioxide at the additions normally for red winemaking used (30-80 mg L can reduce polyphenol-oxidase activity up to 90% (Boulton et al.. 1998). Additionally, so2 in the range of 40-150 mg kg 1 increases the extraction of phenolics and, specif- ically, that of anthocyanins (Bakker et al 1998: Paterali et al., 2014), Since one of the intended goals of CS is to favor anthocyanin extraction prior to the onset ofAF, the combination of CSwith higher additions of so2 represent an option for minimizing polyphenol oxidase reactions and increasing the retention of anthocyanins.
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