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Han C, Lin B, Huang X, Mao Z, Kong X, Fang L, Xue P, Wang A, Zhang F. Quinoa husk peptides reduce melanin content via Akt signaling and apoptosis pathways. iScience 2022; 26:105721. [PMID: 36582825 PMCID: PMC9793265 DOI: 10.1016/j.isci.2022.105721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 10/11/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022] Open
Abstract
To improve the treatment of pigmentation disorders, looking for natural and safe inhibitors of melanin synthesis has become an area of research interest. The quinoa husk peptides reportedly elicit various biological activities (e.g., anti-cancer, antioxidant, anti-hypertensive, and so forth), but its effects on melanin inhibition remain unknown. In the current study, we purified quinoa husk peptides with 30 and 80% ethanol using a macroporous adsorption resin (DA201-C). Component screening revealed that the 80%-ethanol fraction (i.e., QHP fraction) contained numerous short peptides (84.41%) and hydrophobic amino acids (45.60%), while eliciting a superior tyrosinase [TYR]-inhibition rate, 2,2-diphenyl-1-picryhydrazil-scavenging rate, reducing activity, and chelating capacity compared to the 30% fraction and was thus applied in subsequent analyses. Differentially expressed genes in the QHP fraction were primarily enriched in the Akt-signaling pathways based on transcriptomics. Thus, we assessed the expression of related proteins and genes in A375 cells and rat skin cells following treatment with QHP.
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Affiliation(s)
- Caijing Han
- School of Public Health, Weifang Medical University, Weifang, 261053 Shandong, China
| | - Bingjie Lin
- School of Public Health, Weifang Medical University, Weifang, 261053 Shandong, China
| | - Xinyu Huang
- School of Public Health, Weifang Medical University, Weifang, 261053 Shandong, China
| | - Zhaojie Mao
- School of Public Health, Weifang Medical University, Weifang, 261053 Shandong, China
| | - Xiaoting Kong
- School of Public Health, Weifang Medical University, Weifang, 261053 Shandong, China
| | - Lei Fang
- School of Public Health, Weifang Medical University, Weifang, 261053 Shandong, China
| | - Peng Xue
- School of Public Health, Weifang Medical University, Weifang, 261053 Shandong, China
| | - Anning Wang
- Neurology Department, The First Affiliated Hospital of Weifang Medical University (Weifang People’s Hospital), Weifang, 261000 Shandong, China
- Corresponding author
| | - Fengxiang Zhang
- School of Public Health, Weifang Medical University, Weifang, 261053 Shandong, China
- Corresponding author
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Protection effects of rice protein hydrolysate on UVB-irradiated photodamage in Hartley guinea pigs skin and human skin fibroblasts. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Chen HJ, Dai FJ, Chen CY, Fan SL, Zheng JH, Huang YC, Chau CF, Lin YS, Chen CS. Evaluating the Antioxidants, Whitening and Antiaging Properties of Rice Protein Hydrolysates. Molecules 2021; 26:molecules26123605. [PMID: 34204643 PMCID: PMC8231118 DOI: 10.3390/molecules26123605] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/03/2021] [Accepted: 06/08/2021] [Indexed: 11/16/2022] Open
Abstract
Plant-derived protein hydrolysates have potential applications in nutrition. Rice protein hydrolysates (RPHs), an excellent source of proteins, have attracted attention for the development of cosmeceuticals. However, few studies have reported the potential application of RPH in analysis, and this study examined their antioxidant activities and the inhibitory activities of skin aging enzymes. The results indicated that the total phenolic and flavonoid concentrations were 2.06 ± 0.13 mg gallic acid equivalent/g RPHs and 25.96 ± 0.52 µg quercetin equivalent/g RPHs, respectively. RPHs demonstrated dose-dependent activity for scavenging free radicals from 1,1-diphenyl-2-picrylhydrazyl [half-maximal inhibitory concentration (IC50) = 42.58 ± 2.1 mg/g RPHs] and 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (IC50 = 2.11 ± 0.88 mg/g RPHs), dose-dependent reduction capacity (6.95 ± 1.40 mg vitamin C equivalent/g RPHs) and oxygen radical absorbance capacity (473 µmol Trolox equivalent/g RPHs). The concentrations of the RPH solution required to achieve 50% inhibition of hyaluronidase and tyrosinase activities were determined to be 8.91 and 107.6 mg/mL, respectively. This study demonstrated that RPHs have antioxidant, antihyaluronidase, and antityrosinase activities for future cosmetic applications.
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Affiliation(s)
- Hui-Ju Chen
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung 402204, Taiwan; (H.-J.C.); (C.-F.C.)
- Healthmate Co., Ltd., Changhua City 500016, Taiwan; (F.-J.D.); (S.-L.F.); (Y.-C.H.)
| | - Fan-Jhen Dai
- Healthmate Co., Ltd., Changhua City 500016, Taiwan; (F.-J.D.); (S.-L.F.); (Y.-C.H.)
| | - Cheng-You Chen
- Ph.D. Program in Materials and Chemical Engineering, National United University, Miaoli 360001, Taiwan;
| | - Siao-Ling Fan
- Healthmate Co., Ltd., Changhua City 500016, Taiwan; (F.-J.D.); (S.-L.F.); (Y.-C.H.)
| | - Ji-Hong Zheng
- Department of Chemical Engineering, National United University, Miaoli 360001, Taiwan;
| | - Yu-Chun Huang
- Healthmate Co., Ltd., Changhua City 500016, Taiwan; (F.-J.D.); (S.-L.F.); (Y.-C.H.)
| | - Chi-Fai Chau
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung 402204, Taiwan; (H.-J.C.); (C.-F.C.)
| | - Yung-Sheng Lin
- Ph.D. Program in Materials and Chemical Engineering, National United University, Miaoli 360001, Taiwan;
- Department of Chemical Engineering, National United University, Miaoli 360001, Taiwan;
- Institute of Food Safety and Health Risk Assessment, National Yang-Ming University, Taipei 112304, Taiwan
- Correspondence: (Y.-S.L.); (C.-S.C.)
| | - Chin-Shuh Chen
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung 402204, Taiwan; (H.-J.C.); (C.-F.C.)
- Correspondence: (Y.-S.L.); (C.-S.C.)
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