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1·Glyoxal is prepared with waste liquid propellant HNO3-27S and ethanal.

利用报废的液体推进剂硝酸- 27s和乙醛制备乙二醛。

2·Alcohol dehydrogenase an enzyme that converts ethanol into acetaldehyde (ethanal).

醇脱氢酶：把乙醇转化为乙醛的酶。

3·There are over 70 kinds of nutritious content such as triterpenoid compound, ant acid, herbaceous ethanal and triphosphate.

三萜类化合物、蚁酸、草体乙醛，三磷酸腺酐等共70多种滋养成分。