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首页> 外文期刊>Boletim Centro de Pesquisa e Processamento de Alimentos >PROPRIEDADES QUíMICAS E C?MPUTO QUíMICO DOS AMINOáCIDOS DA FARINHA E CONCENTRADO PROTéICO DE FEIJ?O GUANDU (Cajanus cajan (L.) Millsp)
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PROPRIEDADES QUíMICAS E C?MPUTO QUíMICO DOS AMINOáCIDOS DA FARINHA E CONCENTRADO PROTéICO DE FEIJ?O GUANDU (Cajanus cajan (L.) Millsp)

机译:面粉氨基酸和官渡豆蛋白浓缩物的化学性质和化学切割(Cajanus cajan(L.)Millsp)

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摘要

Esta pesquisa teve por objetivo investigar aspropriedades químicas e c?mputo químico dosaminoácidos da farinha e de concentrado protéicode feij?o guandu (Cajanus cajan (L.) Millsp). Afarinha apresentou composi??o química adequadaem rela??o a outras leguminosas. O procedimentode extra??o aquosa de proteína, a partir de gr?osde feij?o guandu com 25,73% de proteína, permitiua obten??o de concentrado protéico com 52,47% deproteína, em base seca, compreendendoconcentra??o da ordem de 103,85%. Oconcentrado protéico de feij?o guandu apresentoucomposi??o química adequada, sendo que cinzas ea?úcares solúveis foram concentrados 122,17 e21,86%, respectivamente, em rela??o ao gr?o. Osníveis de aminoácidos no concentrado protéicoforam similares aos de farinha de guandu, porém, ametionina foi concentrada em 42,64%. O c?mputoquímico indicou que os aminoácidos limitantesprimários na farinha e concentrado protéico foramos sulfurados totais. A composi??o química dafarinha e do concentrado protéico de guanduindicou potencialidade para utiliza??o de amboscomo componentes de alimentos para sereshumanos e animais. Abstract The aim of this work was the investigation of the chemical properties of Pigeon pea(Cajanus cajan) (L.) Millsp) flour and protein concentrate. The flour presented suitablechemical composition in comparison to other legumes. The water extraction procedure ofprotein, from Pigeon pea grains with 25,73% of protein allowed to obtain a proteinconcentrate with 52,47% of protein in dry basis, resulting an increase in order of 103,85%.The protein concentrate of Pigeon pea showed suitable chemical composition, having anincrease of 122,17% in ashes and 21,86 % in soluble sugars in relation to the crude grain.The amino acids levels in the concentrate were similar to those in the flour, however therewere an increase of 42,64% in methionine concentration. The chemical score suggest thatthe primary limiting amino acids in the flour and in the concentrate were the total sulphuramino acids. The chemical composition of the flour and concentrate of Pigeon pea showedperspectives of its utilization as feed components for humans and animals.
机译:这项研究的目的是调查木豆粉和浓缩蛋白的化学特性和化学组成。(Cajanus cajan(L.)Millsp)。面粉相对于其他豆类具有足够的化学组成。从蛋白质含量为25.73%的木豆籽粒中提取蛋白质的方法是干燥获得蛋白质浓缩率为52.47%的蛋白质浓缩物,顺序为103.85%。木豆浓缩蛋白显示出适当的化学组成,灰分和可溶性糖相对于谷物的浓缩分别为122.17和21.86%。蛋白质浓缩物中的氨基酸水平与木豆相似,但是蛋氨酸的浓缩率为42.64%。 c?Mputoquímico表示面粉和蛋白质浓缩物中的主要限制性氨基酸全部被硫化了。面粉和木豆浓缩蛋白的化学成分表明有可能同时用作人类和动物的食物成分。摘要这项工作的目的是研究木豆(Cajanus cajan)(L.)Millsp)面粉和浓缩蛋白的化学性质。与其他蔬菜相比,面粉的化学成分合适。从木豆中蛋白质含量为25.73%的蛋白质中提取水的过程允许获得干基中蛋白质含量为52.47%的蛋白质浓缩物,从而增加了103.85%的顺序。粗蛋白显示出合适的化学组成,相对于粗粮,其灰分增加了122.17%,可溶性糖增加了21.86%。浓缩物中的氨基酸含量与面粉中的相似,但增加了42% ,蛋氨酸浓度为64%。化学分数表明,面粉和浓缩物中的主要限制性氨基酸是总硫氨基酸。木豆粉和浓缩粉的化学成分显示了其用作人类和动物饲料成分的前景。

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