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Contents of phytochemicals and antinutritional factors in commercial protein-rich plant products

Food Quality and Safety 2018年第4期2卷 213-219页

作者： Pirjo H.mattila juha-matti pihlava Jarkko Hellström Markus Nurmi Merja Eurola Sari Mäkinen Taina Jalava Anne Pihlanto Natural Resources Institute Finland Itäinen Pitkäkatu 420520TurkuFinland and Natural Resources Institute Finland 31600 JokioinenFinland

Objectives:The goal of this study was to determine several beneficial and antinutritional compounds in the commercial products of some protein-rich *** and Methods:Samples of faba bean(Vicia faba),lupin(Lupinus angustifolius),rapeseed press cake(Brassica rapa/napus ***),flaxseed(Linum usitatissimum),oil hemp seed(Cannabis sativa),buckwheat(Fagopyrum esculentum),and quinoa(Chenopodium quinoa)were purchased from the grocery stores and from the *** phytochemicals were analyzed using various validated ***:Rape seed press cake contained the highest contents of *** highest contents of proanthocyanidins were found in faba bean(470±14 mg/100g DW).Secoisolariciresinol-diglucoside content in the flaxseeds was 138±32 mg/100 g DW and the lignanamide content of hemp seeds was 77±22 mg/100 g *** content of phytic acid in rapeseed cake,hemp seed and flaxseed samples was 3.9±0.1,3.5±0.2,and 1.9±0 g/100 g DW,*** seed cake contained glucosinolates 2.08±0.74 umol/g DW and faba bean contained vicine and convicine 0.77±0.11 and 0.42±0.02 g/100 g DW,*** contained saponins 557 mg/100 g DW and after abrasive milling/pearling the content was 36 mg/100 g ***,the phytochemicals were concentrated in the outer shell of the *** activities against proteolytic enzymes,trypsin andα-chymotrypsin,varied among the samples *** activity was found in buckwheat samples,whereas lupin and rapeseed press cake had no inhibitory activity against tested ***:This paper presented new findings on the contents of phytochemicals in various under-used plant protein sources.

关键词： protein-rich plants phytochemicals antinutrients determination contents.

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