IN VITRO AND IN VIVO TOXICITY EVALUATION OF TRAPA BISPINOSA ROXB. STARCH
Objective: This study aimed to assess the toxicity of Trapa bispinosa Roxb. starch (TBS) through in vitro and in vivo studies.
Methods: The cytotoxicity of TBS extract (TBSE) was evaluated on RAW 264.7 macrophage and NIH 3T3 fibroblast cell lines and the acute dermal and
oral toxicities of TBS were analyzed in rats. To access acute dermal toxicity, the rats received a single application of 200, 1000, and 2000 mg/kg BW of
TBS, while for acute oral toxicity, the rats received a single administration of 300 and 2000 mg/kg BW of TBS. All animals were observed for changes
in body weight, mortality, and clinical signs of abnormality after application and administration of the TBS.
Results: The in vitro results showed that TBSE at concentrations of 6.25–200 μg/ml was non-cytotoxic to macrophages and fibroblasts. From acute
toxicity studies, the lethal dose of TBS was considered to be over 2000 mg/kg BW. No mortality, clinical signs of abnormality, or gross pathology were
detected at necropsy.
Conclusion: TBS is non-toxic in in vitro and in vivo studies. Therefore, TBS can be used as pharmaceuticals excipients or cosmetic ingredients.
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