Folate content and retention in wheat grains and wheat-based foods: Effects of storage, processing, and cooking methods

文献类型： 外文期刊

第一作者： Liang, Qiuju

作者： Liang, Qiuju;Shariful, Islam;Zhang, Chunyi;Wang, Ke;Ye, Xingguo

作者机构：

关键词： Folate loss; Folate retention; Processing; Storage; Cooking; Wheat

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2020 年 333 卷

页码：

收录情况： SCI

摘要： Folates are essential micronutrients for human health. The aim of this study was to evaluate the effects of storage, processing and cooking methods on folate content and identify factors with great influence on folate retention in wheat grains and wheat-based foods. For this, the folate levels of wheat grains after 2-8 months of storage, wheat flours, noodles, fermented dough, steamed bun, and bread were sequentially analyzed. An average of 26% folate loss was observed after eight-month storage in wheat grains. The milling process, with an extraction rate of 70%, led to a severe (71%) folate loss. The folate retention rate in noodles was 78%. Fermentation by yeast production enabled a 1.5-4-fold enhancement of folate levels in steamed bun and bread. Boiling, steaming and baking led to a folate loss of 13%, 16%, and 11%, respectively. These results help to guide industrial/household preparation of wheat-based foods for folate nutrition.

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