Results Topical grade HA ( HA-T) and food grade HA ( HA-F) are innoxious substance, which acute oral toxicity LD50> 5 000 mg/ kg;

  • 结果外用级HA(HA-T)和食用级HA(HA-F)急性经口毒性LD50>5000mg/kg,属实际无毒物质;

  • 互联网摘选 2025-01-20 17:15:29

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