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Analysis of bioaccessibility of campesterol, stigmasterol, and β-sitosterol in maize by in vitro digestion method.

Ashrafi, H. and Jayadeep, A. (2020) Analysis of bioaccessibility of campesterol, stigmasterol, and β-sitosterol in maize by in vitro digestion method. Journal of Cereal Science, 93. pp. 1-6. ISSN 0733–5210

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Abstract

The content of campesterol, stigmasterol, and β-sitosterol in raw and cooked Big Flint Maize (BFM), Pop Corn Maize (PCM) and Red Maize (RM) were analyzed by using a chemical method and using in vitro digestion of cooked samples. RM contained 15.14, 8.36, and 72.19 mg/100 g campesterol, stigmasterol, and β-sitosterol, respectively, which were higher compared to in BFM and PCM. Samples cooking resulted in 6–48% increase in phytosterol content, while cooked RM had the highest phytosterol content. Using the in vitro digestion method, 44–61% reduction in phytosterol content was observed in contrast to the chemical method. The difference bioaccessible campesterol and β-sitosterol contents among varieties was insignificant, except for stigmasterol in RM. The bioaccessibility of campesterol was 44–56% higher than those of stigmasterol and β-sitosterol, and it was higher in BFM and PCM. In conclusion, phytosterol contents estimated in different maize samples using in vitro digestion can be another determinative for the ultimate content and reveals the necessity to consider with chemical method of determination.

Item Type: Article
Uncontrolled Keywords: Maize Phytosterol Bioaccessibility In vitro digestion Method
Subjects: 600 Technology > 08 Food technology > 22 Legumes-Pulses > 02 Maize
Divisions: Grain Science and Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 27 Apr 2020 10:59
Last Modified: 27 Apr 2020 10:59
URI: http://ir.cftri.com/id/eprint/14270

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