Effect of type-2 resistant starch (high-amylose maize starch) on the physicochemical, nutritional, in vitro starch digestibility and estimated glycaemic properties of Chinese steamed buns

Noraidah Haini and Lee, Jau-Shya and Ramlah George Mohd Rosli and Hasmadi Mamat (2021) Effect of type-2 resistant starch (high-amylose maize starch) on the physicochemical, nutritional, in vitro starch digestibility and estimated glycaemic properties of Chinese steamed buns. Journal of Cereal Science, 98 (1). pp. 1-8. ISSN 0733-5210

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Abstract

Resistant starch (RS) is a portion of starch that resists enzymatic digestion. It is applied in the production of Chinese steamed bun (CSB) to increase daily fibre intake. In this study, the incorporation of type-2 RS known as high-amylose maize starch (HM) (5%, 10%, 15%, 20%, 25% and 30%) and its effect on the rheological and physicochemical properties, nutritional values, in vitro starch digestibility and estimated glycaemic index (eGI) properties of CSBs were determined. High HM incorporation levels increased RS and dietary fibre contents and reduced the pasting viscosities and calorific values of CSBs. The addition of HM-enriched RS also affected total starch content and eventually resulted in the decreased susceptibility of starch to digestive enzymes in vitro. The decrement in starch hydrolysis rate markedly reduced the eGI of HM-containing CSBs. The incorporation of 25% HM into CSBs (eGI = 68.45) could be applicable in developing a nutritious and medium-eGI CSB without jeopardising desirable physical attributes.

Item Type:	Article
Keyword:	Physicochemical Properties , Starch Digestibility , Estimated Glycaemic Index , High Amylose Maize Starch , Steamed Bun
Subjects:	Q Science > QD Chemistry T Technology > TX Home economics T Technology > TX Home economics > TX1-1110 Home economics > TX341-641 Nutrition. Foods and food supply
Department:	FACULTY > Faculty of Food Science and Nutrition
Depositing User:	SAFRUDIN BIN DARUN -
Date Deposited:	27 May 2021 09:14
Last Modified:	27 May 2021 09:14
URI:	https://eprints.ums.edu.my/id/eprint/26994

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