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Nutritionally enriched 1,3-diacylglycerol-rich oil: Low calorie fat with hypolipidemic effects in rats.

Prabhavathi Devi, B. L. A. and Gangadhar, K. N. and Prasad, R. B. N. and Sugasini, D. and Poorna Chandra Rao, Yalagala and Lokesh, B. R. (2018) Nutritionally enriched 1,3-diacylglycerol-rich oil: Low calorie fat with hypolipidemic effects in rats. Food Chemistry, 248. pp. 210-216.

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Abstract

An enzymatic process was developed for the preparation of a nutritionally enriched 1,3-diacylglycerol(DAG)- rich oil from a blend of refined sunflower and rice bran oils. The process involves hydrolysis of vegetable oil blend using Candida cylindracea followed by esterification with glycerol using Lipozyme RM1M. The resultant DAG-rich oil contains 84% of DAG (66% of 1,3-DAG, 18% of 1,2-DAG) and 16% of triacylglycerol (TAG) along with micro nutrients like γ-oryzanol, tocotrienols, tocopherols and phytosterols. Nutritional studies of the DAGrich oil were conducted in Wistar rats and compared with sunflower oil (SFO). The calorific value of the DAGrich oil was estimated to be 6.45 Kcals/g as against 9.25 Kcals/g for SFO. The serum and liver cholesterol and TAG levels in rats fed with 1,3-DAG-rich oil were found to be significantly reduced as compared to rats fed diet containing SFO. We conclude that 1,3-DAG-rich oil is a low calorie fat and exhibits hypolipidemic effects.

Item Type: Article
Uncontrolled Keywords: Rice bran oil Sunflower oil Diacylglycerol-rich oil Calorific value Serum and liver lipids
Subjects: 600 Technology > 08 Food technology > 16 Nutritive value
600 Technology > 08 Food technology > 19 Lipids-oils/fats
Divisions: Lipid Science and Traditional Foods
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 14 Feb 2018 06:52
Last Modified: 14 Feb 2018 06:52
URI: http://ir.cftri.com/id/eprint/13412

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