Melanogenesis effects of rice protein hydrolysate and its characteristic peptides Leu-Leu-Lys, Leu-Pro-Lys, and pyroGlu-Lys on UVB-induced human epidermal melanocyte cells

2020 ◽  
Vol 11 (10) ◽  
pp. 8757-8767
Author(s):  
Ruixue Zhang ◽  
Ying Wei ◽  
Mingliang Li ◽  
Muyi Cai ◽  
Ruizeng Gu ◽  
...  

This study assessed the melanogenesis effects of rice protein hydrolysate (RPH) and explored the underlying molecular mechanism of its characteristic peptides.

2022 ◽  
Author(s):  
Prinya Wongsa ◽  
Kittikan Yuenyongrattanakorn ◽  
Waranya Pongvachirin ◽  
Anusara Auntalarok

2012 ◽  
Vol 48 (2) ◽  
pp. 736-741 ◽  
Author(s):  
Tao Yang ◽  
He Zhu ◽  
Hui Zhou ◽  
Qinlu Lin ◽  
Wenjian Li ◽  
...  

LWT ◽  
2021 ◽  
pp. 111792
Author(s):  
Saeed Mirdamadi ◽  
Mahta Mirzaei ◽  
Nazila Soleymanzadeh ◽  
Maliheh Safavi ◽  
Nahid Bakhtiari ◽  
...  

2020 ◽  
Vol 10 (24) ◽  
pp. 9087
Author(s):  
Hui-Ju Chen ◽  
Fan-Jhen Dai ◽  
Siao-Ling Fan ◽  
Yu-Chun Huang ◽  
Chi-Fai Chau ◽  
...  

Research on the skin’s maintenance and protection against aging has gradually progressed toward phytocosmetics. This study investigated the in vitro hyaluronidase inhibitory activity of rice protein hydrolysate obtained by using bacterial amylase and protease against skin aging-related enzymes. Here, the molecular weights of rice protein hydrolysates were in the range 5–63 kDa. Every 100 g of a rice protein hydrolysate contains approximately 2960 mg of total amino acid, including essential amino acids (893 mg) and branched-chain amino acids (591 mg). A kinetic study showed that hyaluronidase inhibition by the rice protein hydrolysate occurs through a competitive reaction mechanism. Achieving effective hyaluronidase inhibitory activity, the rice protein hydrolysate had a half maximal inhibitory concentration of 7.61 mg/mL. Because hyaluronidase activity inhibition is crucial for treating skin aging, rice protein hydrolysates should be considered as cosmeceutical ingredients.


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