Collagenmuaj 95% cov ntsiab lus protein, thiab nws raug suav tias yog hom tshiab ntawm cov khoom noj muaj protein ntau.Nws yog tus yuam sij kom khaws cov tawv nqaij hluas thiab ua lub luag haujlwm tseem ceeb hauv kev tswj cov tawv nqaij elasticity.
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