Effects of dehulling and storage conditions on cooking requirements and chemical composition of soybeans / Efecto del descascarado y de las condiciones de almacenamiento en los requerimientos de cocción y composición química de la soya
Arch. latinoam. nutr
;
45(1): 36-40, mar. 1995. tab
Article
Dans Espagnol
| LILACS
| ID: lil-234669
RESUMO
Changes in cooking requirements and chemical composition of whole and dehulled soybeans, stored in 2 different environments [25ºC/75 per cent RH. (Environment 1) and 38ºC/90 per cent RH. (Environment 2)], were studied. Rate of water absorption and solid losses during cooking were higher for the dehulled soybeans at both storage conditions. However, cooking requirements to archieve the same degree of texture cotyledons were similar for whole and dehulled seeds. Cooking time increased with prolonged storage; the effect was more noticeable in samples stored under Environment 2. Samples kept for 6 months almost twice as much cooking than control samples. dehulled soybeans had a lower fiber content, relatively higher amounts of protein and fat, but similar amino acid compositions than whole soybeans. Cooking caused losses of carbohydrates and ash and, therefore, significantly increased levels of protein and fat reflected by losses of solids during soaking and cooking. Among the amino acids, only cysteine suffered subtantial decrease as a result of cooking. Cooking and storage inactivated 90 per cent and from 20-35 per cent of the trypsin inhibitors, respectively; the latter effect was more accentuated in samples stored under Environment 2
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Indice:
LILAS (Amériques)
Sujet Principal:
Glycine max
/
Huile de soja
/
Glucides
/
Trypsine
/
Sciences de la nutrition
/
Acides aminés
langue:
Espagnol
Texte intégral:
Arch. latinoam. nutr
Thème du journal:
Bioqu¡mica
/
EducaÆo Alimentar e Nutricional
/
Fenmenos Fisiol¢gicos da NutriÆo
/
Microbiologia de Alimentos
/
NUTRICAO
Année:
1995
Type:
Article
Pays d'affiliation:
Mexique
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