Agronomists studying the herb have discovered that it produces large amounts of histidine, an amino acid that, in test-tube solutions, renders these metals chemically inert.

研究这种药草的农学家发现，它会产生大量的组氨酸，这种氨基酸在试管溶液中会使这些金属具有化学惰性。

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Folic acid in eggs can help to reduce the incidence of neural tube defects in pregnancy; a common occurrence for many disadvantaged women in low-income countries.

禽蛋中的叶酸可以有助于减少妊娠期神经管缺陷的发生；这是低收入国家中许多贫困妇女普遍面临的一个问题。

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Folic acid helps prevent neural tube birth defects such as spina bifida.

叶酸能帮助防止诸如脊柱裂等神经管畸形出生缺陷的发生。

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Folic acid supplementation is already recommended to prevent neural tube defects, which are often severe malformations of the brain.

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Because fumonisin prevents the folic acid from being absorbed by cells, the toxin can, in effect, induce functional folic acid deficiency and thereby cause neural tube defects such as spina bifida even when the diet contains what otherwise would be sufficient amounts of folic acid.

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Doctors seldom see evidence of acid erosion when they use an endoscope a long tube with a lighted camera that lets them examine the esophagus but there is debate over what that means.

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