Core Viewpoint - A social media influencer raised concerns about potential fraud by Juzhi Biotechnology regarding their collagen product, claiming that the detected collagen content was significantly lower than what was stated on the product label [2][3]. Group 1: Detection and Analysis - The influencer utilized high-precision HPLC amino acid quantification methods to test the collagen product, revealing that the detected collagen content was only 0.0177%, which is below the expected threshold of 0.1% for non-trace ingredients [2][3]. - The influencer's analysis indicated that glycine, a key component of collagen, was not detected in the sample, contradicting established knowledge that glycine constitutes one-third of collagen's amino acid residues [3]. Group 2: Company Response - In response to the allegations, Juzhi Biotechnology's brand Kefu Mei stated that their own testing showed collagen content exceeding 0.1%, with results of 0.27%, 0.27%, and 0.28% from multiple samples taken on May 24 [4]. - The company criticized the influencer's testing methods as not being recognized by industry standards and claimed that the influencer did not request the original collagen material for testing [4]. Group 3: Regulatory Context - A consumer previously reported adverse effects after using a product from Juzhi Biotechnology, leading to a separate investigation regarding the presence of epidermal growth factor (EGF), which is prohibited in cosmetics [4][5]. - The Shaanxi Provincial Drug Administration conducted inspections and found no evidence of EGF in the products, concluding that the company did not engage in illegal practices regarding EGF [5].
又遭原料成分质疑，巨子生物回复：多批次检测结果胶原蛋白均大于0.1%