参考文献：
[1] Jendricke P, Centner C, Zdzieblik D, et al. (2020). Specific collagen peptides in skin care: A randomized, double-blind, placebo-controlled study. Journal of Applied Cosmetology, 38(2), 1-7.
[2] Iwai K, Hasegawa T, Taguchi Y, et al. (2005). Identification of food-derived collagen peptides in human blood after oral ingestion of gelatin hydrolysates. Journal of Agricultural and Food Chemistry, 53(16), 6531-6536.
[3] Shigemura Y, Kubomura D, Sato Y, et al. (2014). Dose-dependent changes in the levels of free and peptide forms of hydroxyproline in human plasma after collagen hydrolysate ingestion. Food Chemistry, 159, 328-332.
[4] Proksch E, Schunck M, Zague V, et al. (2014). Oral intake of specific bioactive collagen peptides reduces skin wrinkles and increases dermal matrix synthesis. Skin Pharmacology and Physiology, 27(3), 113-119.
[5] Asserin J, Lati E, Shioya T, Prawitt J. (2015). The effect of oral collagen peptide supplementation on skin moisture and the dermal collagen network: Evidence from an ex vivo model and randomized, placebo-controlled clinical trials. Journal of Cosmetic Dermatology, 14(4), 291-301.
[6] Borumand M, Sibilla S. (2014). Daily consumption of the collagen supplement Pure Gold Collagen® reduces visible signs of aging. Clinical Interventions in Aging, 9, 1747-1758.
[7] Kim W, Jang M, Kim Y, et al. (2018). Collagen peptide stimulates a stronger osteoblastic differentiation of bone marrow-derived mesenchymal stem cells than bone morphogenetic protein-2. International Journal of Molecular Sciences, 19(9), 2784.
[8] Wang J, Li J, Zhang C, et al. (2019). Collagen peptide promotes human osteoblasts proliferation via the AKT/GSK-3β/β-catenin signal pathway. Food & Function, 10(10), 6323-6332.
[9] Liao H, Li Z, Braundmeier A, et al. (2016). Changes in collagen and collagen-associated proteins in response to inflammatory cytokines in vitro. Connective Tissue Research, 57(6), 423-433.
[10] Kuo Y, Wang C, Sun J, et al. (2012). Controlled-release of rhBMP-2 carriers in the regeneration of osteonecrotic bone. Biomaterials, 33(37), 3793-3802.
[11] Fang J, Zhu Y, Smiley E, et al. (2007). Stimulation of skin flap survival in rats by locally applied vascular endothelial growth factor. Plastic and Reconstructive Surgery, 119(6), 1835-1845.
[12] Liu X, Luo Q, Zhang L, et al. (2016). Collagen scaffold combined with human umbilical cord-derived mesenchymal stem cells promotes functional recovery after scar resection in rats with chronic spinal cord injury. Journal of Tissue Engineering and Regenerative Medicine, 10(10), E479-E488.
[13] Liu C, Zhang Z, Tang M, et al. (2018). Collagen scaffold combined with human mesenchymal stem cells promotes angiogenesis and arteriogenesis after myocardial infarction. Journal of Cellular and Molecular Medicine, 22(2), 24-37.
