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产叶酸菌株的筛选及合成机理的研究进展 被引量:1
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作者 季亚栋 王琦 +2 位作者 乔为仓 赵军英 陈历俊 《中国食品添加剂》 CAS 北大核心 2022年第10期258-266,共9页
叶酸对于人体营养摄入有重要的促进作用,尤其是天然叶酸的摄入。天然叶酸的主要来源是绿色植物的叶子、动物肝脏、蛋黄、大豆、小麦和以产叶酸菌株发酵产生的谷物类食品,但食物来源的天然叶酸难以满足孕妇等特殊人群需求(>400μg/d)... 叶酸对于人体营养摄入有重要的促进作用,尤其是天然叶酸的摄入。天然叶酸的主要来源是绿色植物的叶子、动物肝脏、蛋黄、大豆、小麦和以产叶酸菌株发酵产生的谷物类食品,但食物来源的天然叶酸难以满足孕妇等特殊人群需求(>400μg/d),因此需要通过一系列方法来提高天然叶酸的产量。许多酵母菌株(酿酒酵母和发酵酵母)发酵均可产生叶酸,但是要获得安全有效的产叶酸菌株还需要进一步的筛选与鉴定。本文通过对产叶酸菌株的筛选、叶酸代谢途径以及叶酸在各个方面的影响进行分析,在总结前人研究成果的基础上,对如何系统化提高叶酸产量做出了总结,以为产叶酸菌株的筛选及产业化应用提供参考。 展开更多
关键词 产叶酸菌株 筛选 机理 天然叶酸
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Pharmacogenomics: The Significance of Genetics in the Metabolism of Natural Medicines
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作者 Nancy W. Hanna 《Journal of Biomaterials and Nanobiotechnology》 2012年第4期452-461,共10页
Natural products have been implemented in medicine through use as herbal medications, chemical compound extraction for prescription medication, or a natural source of food to fight various infections and diseases. Gen... Natural products have been implemented in medicine through use as herbal medications, chemical compound extraction for prescription medication, or a natural source of food to fight various infections and diseases. Genetics has played a role in identifying various interactions between existing drugs and side effects. In addition, various food allergies have been identified with children in recent years, suggesting genetic associations between certain populations carrying specific genetic alleles. The recent availability of genomic data and our increased understanding of the effects of genetic variations permit a quantitative examination of the contribution of genetic variation to efficacy or toxicity of compounds derived from natural sources. The identification of target molecules relevant for diseases allows screening for natural products capable of inhibiting targets which can lead to the development of rational treatment of various diseases including neurobiological disorders, cancer, osteoporosis, and cardiovascular diseases. This allows for more opportunities to predict the response of individual patients. Identification of genetic variations that arose as a consequence of naturally occurring compounds will help identify gene alleles, or protein ligands that can affect the pharmacodynamic and pharmacokinetics of the natural products in question. In addition, diet modification and precautions to food products can be identified to help consumers limit or increase certain food intake. Understanding the molecular mechanisms underlying these interactions and their modification by genetic variation is expected to result in the development of new drugs that optimize individual health. We expect that strategies for individualized therapies will lead to improved results for patients. 展开更多
关键词 PHARMACOGENOMICS natural Medicine POLYPHENOLS Lycopenes folic acid Tobacco VITAMIN E Curcumin SOY VITAMIN D DIGOXIN
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