英语语法分析

The results showed that the major component of the crude product was the desired tridecapeptide and the main by-products were derived from the oxidation or deformity of the desired peptide.

结果证明，粗产物中的主成分即为目标十三肽，另外几个主要副产物为十三肽的残缺肤或氧化肽。