Nutritive value and sensory profile of microwave- and pressure-cooked decorticated legumes (dhals)

Khatoon, Naveeda and Jamuna Prakash (2006) Nutritive value and sensory profile of microwave- and pressure-cooked decorticated legumes (dhals). Journal of Food Processing and Preservation, 30 (3). pp. 299-313. ISSN 1745-4549

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The objective of this study was to analyze the nutritional and sensory profiles of decorticated legumes (dhals) cooked in a microwave oven in comparison with pressure-cooked samples. Four dhals, namely Bengal gram (Cicer arietinum), green gram (Phaseolus aureus Roxb.), lentils (Lens esculenta) and red gram (Cajanus cajan), were selected for this study. Cooked weight, cooking time, water uptake and extent of sedimentation were the parameters used to determine the cooking quality. Samples were analyzed for their nutrient composition and in vitro protein and starch digestibility. The sensory attributes were measured using a ranking test and quantitative descriptive analysis (QDA). Microwave cooking required more time with a higher water uptake. The ranges of nutrients analyzed in 100 g of cooked samples were as follows: moisture (72.1–77.3 g), protein (21.5–23.2 g), fat (1.0–6.4 g), ash (1.8–3.5 g), iron (3.0–5.4 mg, calcium (37–59 mg), phosphorus (256–377 mg) and thiamine (0.17–0.41 mg). The cooking methods did not affect the nutrient composition of legumes except for thiamine, which was lost to a significant extent in microwave-cooked samples. Cooking altered the dietary fiber content of some dhals. The mean in vitro protein digestibility values of pressure- and microwave-cooked samples were 81.0 and 75.2%, respectively. The in vitro starch and protein digestibility values of pressure-cooked samples were higher. The sensory evaluation of legume samples exhibited a significant difference in the overall quality of green gram in the ranking test, whereas varied responses were obtained for different dhals in the QDA.

Item Type: Article
Subjects: B Life Science > Food Science and Nutrition
Divisions: Department of > Food Science and Nutrition
Depositing User: LA manjunath user
Date Deposited: 19 Aug 2019 06:14
Last Modified: 25 Oct 2019 09:57

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