Ntxiv collagen yog ib txoj hauv kev zoo los ncua kev laus thiab ua kom tawv nqaij elasticity.Txawm hais tias bovine leeg, npua trotter thiab nqaij qaib nqaij muaj collagen, tag nrho cov ntawm lawv yog macro-molecular protein, thiab lawv molecular hnyav yog hais txog 300,000Da, uas tsis tuaj yeem ncaj qha absorbed los ntawm tib neeg.Dab tsi ntxiv ...
Nyeem ntxiv