Yakuchinone A is a natural product isolated from Alpinia oxyphylla Miquel. Yakuchinone-A has strong inhibitory effects on the synthesis of prostaglandins and leukotrienes in vitro.

Gastrin I (1-14), human is 1-14 fragment of human gastrin I peptide. Gastrin I is an endogenous, gastrointestinal peptide hormone. Gastrin is the major hormonal regulator of gastric acid secretion.

Acetylsulfamerazine (N-Acetylsulfamerazine) is a secondary metabolite of sulphamethazine, which has a slight inhibitory effect on cellulose digestion and rumen endocrine activity, and has anti-microbial activity.