期刊
CYTA-JOURNAL OF FOOD
卷 19, 期 1, 页码 49-55出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/19476337.2020.1853814
关键词
Sorghum; germination; antioxidant activity; optimization; phenolic compounds
资金
- CONACyT (National Research and Technology Council), Mexico
By optimizing the germination process of sorghum, this study aimed to maximize the content of phenolic compounds and antioxidant activity in porridges. Porridges made from germinated sorghum flour showed higher content of phenolic compounds and antioxidant activity compared to those made from non-germinated flour.
Sorghum's biological potential can be exploited to formulate healthy foods. The objective of this work was to optimize the germination process of sorghum to maximize the content of free phenolic compounds and antioxidant activity. According to the response surface methodology, the maximum content of total phenols and ferulic acid was obtained at 35 degrees C and 28 h of germination, while the optimal antioxidant activity was obtained at 33.6 degrees C and 28 h and 27.4 degrees C 28 h measured as DPPH and TEAC respectively. The porridges obtained from germinated sorghum flours showed a higher content of total phenols and antioxidant activity compared to non-germinated ones. Porridges formulated with germinated sorghum flour showed an increase of 12% as compared with porridge formulated with flour non-germinated sorghum. Ferulic acid showed a significant reduction in both evaluated porridges.
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