利用海因酶法生产d -氨基酸理论上可以达到100%的纯度。
The 'hydantoinase method' can be used for the production of D-amino acid with 100% theoretical yield.
第一部分讨论了DL-蛋氨酸及其衍生物的化学合成，包括丙烯醛法、丙二酸酯法，氨基内酯法等，并着重介绍了海因法。
In the first part, chemical synthesis, including by acraldehyde, malonic ester, ami no lactone and others were discussed and synthesis by hydantoin was emphasized.
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