Kobeasy,, M., Abd El-Salam, S., Mohmoud, E., Mohamed, Z. (2006). CHEMICAL, FUNCTIONAL AND BIOLOGICAL PROPERTIES OF MODIFIED CORN STARCH. Journal of Soil Sciences and Agricultural Engineering, 31(3), 1821-1835. doi: 10.21608/jssae.2006.237082
M. I. Kobeasy,; Samiha M. Abd El-Salam; Ebtesam A. Mohmoud; Zahrat El-Ola M . Mohamed. "CHEMICAL, FUNCTIONAL AND BIOLOGICAL PROPERTIES OF MODIFIED CORN STARCH". Journal of Soil Sciences and Agricultural Engineering, 31, 3, 2006, 1821-1835. doi: 10.21608/jssae.2006.237082
Kobeasy,, M., Abd El-Salam, S., Mohmoud, E., Mohamed, Z. (2006). 'CHEMICAL, FUNCTIONAL AND BIOLOGICAL PROPERTIES OF MODIFIED CORN STARCH', Journal of Soil Sciences and Agricultural Engineering, 31(3), pp. 1821-1835. doi: 10.21608/jssae.2006.237082
Kobeasy,, M., Abd El-Salam, S., Mohmoud, E., Mohamed, Z. CHEMICAL, FUNCTIONAL AND BIOLOGICAL PROPERTIES OF MODIFIED CORN STARCH. Journal of Soil Sciences and Agricultural Engineering, 2006; 31(3): 1821-1835. doi: 10.21608/jssae.2006.237082
CHEMICAL, FUNCTIONAL AND BIOLOGICAL PROPERTIES OF MODIFIED CORN STARCH
1Biochemistry Dept., Fac. of Agric, Cairo Univ., Giza.
2Crops Technology Research Dept., Food Technology Research Institute, Agriculture Research Center (ARC) Giza.
Abstract
Chemical modified corn starch (CMS) such as; starch acetate (SA), starch succinate (SS) and starch phosphate (SP) were prepared, and their chemical, functional properties and biological effects were evaluated. Protein, fat and ash contents of corn starch were decreased by the modification process, except the ash content was increased in SP. Also, the amylose content was decreased in both SA and SP, while it was increased in SS. For functional properties, the obtained results showed that water absorption capacity (WAC) at 25°C and solubility at 90°C were increased in all CMS. Meanwhile, the viscosity was decreased in both SA and SP while, it was increased in SS. Swelling power at 90°C was decreased only in SP . Biological experiment was conducted on normal albino rats after feeding on diet containing 10% of modified starch, the result showed that feeding on both SA and SS decreased the final body weight , while feeding on diet containing SP caused slight increase in final body weight. The experiment on diabetic rats showed a significant decrease in body weight compared with normal rats. Also, feeding on SA significantly decreased serum glucose of healthy and diabetic rats . However , feeding on CMS had no significant differences on lipid fractions, kidney functions and liver functions on healthy rats compared with diabetic rats.
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