Objective: To observe the effect of carboxyl-amino-polysaccharide on the gastric ulcer.
目的观察羧基化氨基多糖药物抗胃溃疡的作用。
2
Any of various natural or synthetic compounds containing two or more amino acids linked by the carboxyl group of one amino acid and the amino group of another.
肽一种自然或人工的合成物，包括二个或二个以上氨基酸，通过一个氨基酸的酸基和另一个的羧基结合而成。
3
Chemical modification studies showed that the sulfhydryl, guanido, amino, carboxyl and indolyl groups may participate in the active center of the enzyme.