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  • Title: Assessment of the volatile composition of juices of apricot, peach, and pear according to two pectolytic treatments.
    Author: Riu-Aumatell M, López-Tamames E, Buxaderas S.
    Journal: J Agric Food Chem; 2005 Oct 05; 53(20):7837-43. PubMed ID: 16190639.
    Abstract:
    The behavior of volatile compounds according to two enzymatic treatments applied during the manufacture of fruit juice is described. More than 80 compounds were detected of a wide range of chemical families (alcohols, aldehydes, ketones, terpenoids, esters, norisoprenoids, ...). Theaspirane and alpha-isophoron were tentatively identified for the first time in apricot and peach fruits. The enzymes used, for extraction or clarification of fruit juices, modified the polysaccharides separated by molecular weight and the content of soluble polysaccharides. This could indicate differences in the fruit juice matrix, which could be related to observed changes in the volatile profile. In apricot, the enzymes enhanced the juice in terpenes and norisoprenoids as varietal compounds. In peach and pear, the enzymes used did not favor the amount of lactones and decadienoate esters, the character impact compounds, respectively.
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