4.7 Article

Transition of phenolics and cyanogenic glycosides from apricot and cherry fruit kernels into liqueur

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FOOD CHEMISTRY
卷 203, 期 -, 页码 483-490

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ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.02.110

关键词

Cyanogenic glycosides; Phenolic compounds; Amygdalin; Prunasin; HPLC-MS

资金

  1. Slovenian Research Agency (ARRS) [P4-0013-0481]

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Popular liqueurs made from apricot/cherry pits were evaluated in terms of their phenolic composition and occurrence of cyanogenic glycosides (CGG). Analyses consisted of detailed phenolic and cyanogenic profiles of cherry and apricot seeds as well as beverages prepared from crushed kernels. Phenolic groups and cyanogenic glycosides were analyzed with the aid of high-performance liquid chromatography (HPLC) and mass spectrophotometry (MS). Lower levels of cyanogenic glycosides and phenolics have been quantified in liqueurs compared to fruit kernels. During fruit pits steeping in the alcohol, the phenolics/cyanogenic glycosides ratio increased and at the end of beverage manufacturing process higher levels of total analyzed phenolics were detected compared to cyanogenic glycosides (apricot liqueur: 38.79 mu g CGG per ml and 50.57 mu g phenolics per ml; cherry liqueur 16.08 mu g CGG per ml and 27.73 mu g phenolics per ml). Although higher levels of phenolics are characteristic for liqueurs made from apricot and cherry pits these beverages nevertheless contain considerable amounts of cyanogenic glycosides. (C) 2016 Elsevier Ltd. All rights reserved.

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