Periplaneta americana extract ameliorates ...
2021-8-8u2002·u2002The Periplaneta americana (PA) extract is found in the American cockroach and comprises polyols, peptides, epidermal growth factors, sticky sugar acid, amino acids and further active components (7). The PA extract notably alleviates swelling of liver tissue and stomach pain in gastric ulcer (8,9). Furthermore, it is widely used in China for its
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