Bacteria in stagnant bowel consume dietery vitamin b12 . 滞留在肠道的内细菌还消耗食物中的维生素B12。
Pernicious anemia in human is due to failure of absorption of vitamin b12 . 人的恶性贫血是由于不能吸收维生素B12的结果。
Certain species of seaweed have been reported to contain appreciable quantities of vitamin b12 . 曾有报道某些种海藻含有相当量的维生素B12。
The vitamin b12 requirements appear to depend upon the levels of choline, methionine and folic acid in the diet . 维生素B12的需要量决定于食品中胆碱、蛋氨酸以及叶酸的含量。
Vitamin b12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia . 维生素B12被氧化剂和还原剂、醛类抗坏血酸、二价铁盐、香草醛和阿拉伯树胶破坏。
The new function of vitamin b12 维他命b12另一新功能:侦测癌细胞尖兵