The effects of germination,fermentation, and fermentation additives on the phytate content of rice flour |
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Authors: | Ji Eun Baek Eun Jung Lee Bong Kyung Koh |
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Affiliation: | 1. Department of Foods and Nutrition, Keimyung University, Daegu, 704-701, Korea 2. Research Institute for Human Ecology, Chonnam National University, Gwangju, 500-757, Korea
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Abstract: | The phytate contents in nine rice cultivars (Oryza sativa cv.) grown in Korea were investigated and the effects of germination, fermentation, and fermentation additives on the phytate content of rice flour were studied. In nondehulled paddy rice, the phytate content was the highest in Goamibyeo and the lowest in Hanareumbyeo. In milled rice, the phytate content was the highest in Suweon517 and the lowest in Manmibyeo. For Goamibyeo, which had high phytate contents both before and after milling, there was a significant (p<0.05) reduction in the phytate content of paddy rice after germination. The phytate content reduction occurred when germinated paddy flour was fermented at 50°C for 24 h. Paddy rice phytate was completely removed when ammonium sulfate was added to germinated paddy rice flour, which was then allowed to ferment at 50°C for 24 h. |
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