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Xie R, Zhang H, Lv X, Lin Q, Chen BH, Lai YW, Chen L, Teng H, Cao H. The evaluation of catechins reducing heterocyclic aromatic amine formation: Structure-activity relationship and mechanism speculation. Curr Res Food Sci 2024; 8:100727. [PMID: 38577418 PMCID: PMC10990945 DOI: 10.1016/j.crfs.2024.100727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/29/2024] [Accepted: 03/27/2024] [Indexed: 04/06/2024] Open
Abstract
The favorable inhibitory effect of tea polyphenols on heterocyclic aromatic amines (HAAs) has been confirmed in many past studies. The objective of this study was to investigate the structure-activity relationship of catechins that act as inhibitors of HAA formation in chemical models. Two kinds of quantitative structure-activity relationship models for catechin-inhibiting-HAA were established. We chose two kinds of HAAs including 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) and 2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline (MeIQx), and five catechins including epigallocatechin gallate (EGCG), epicatechin gallate (ECG), epigallocatechin (EGC), epicatechin (EC), and catechin (C). The inhibitory effect of five catechins were in the following order: EGCG > ECG > EGC > C > EC. Thereinto, EGCG and ECG showed dramatically better inhibition on the formation of PhIP and MeIQx, especially EGCG. Further, the mechanisms of catechin-inhibiting-HAA were speculated by correlation analysis. The free radical-scavenging ability was predicted to be the most relevant to the inhibitory effect of ECG, EGC, EC and C on HAAs. Differently, the phenylacetaldehyde-trapping ability might be the more important mechanism of EGCG inhibiting PhIP in chemical model system. This study may bring a broader idea for controlling the formation of HAAs according to the structure of catechins.
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Affiliation(s)
- Ruiwei Xie
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang, 524088, China
| | - Haolin Zhang
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang, 524088, China
- Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Xiaomei Lv
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang, 524088, China
| | - Qiuyi Lin
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang, 524088, China
| | - Bing-Huei Chen
- Department of Food Science, Fu Jen Catholic University, New Taipei City, 24205, Taiwan, China
| | - Yu-Wen Lai
- Department of Food Science, Fu Jen Catholic University, New Taipei City, 24205, Taiwan, China
| | - Lei Chen
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang, 524088, China
| | - Hui Teng
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang, 524088, China
| | - Hui Cao
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Zhanjiang, 524088, China
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Yan C, Xing M, Zhang S, Gao Y. Clinical Development and Evaluation of a Multi-Component Dissolving Microneedle Patch for Skin Pigmentation Disorders. Polymers (Basel) 2023; 15:3296. [PMID: 37571190 PMCID: PMC10422440 DOI: 10.3390/polym15153296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/24/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
Excessive melanin deposition in the skin leads to various skin pigmentation diseases, such as chloasma and age spots. The deposition is induced by several factors, including tyrosinase activities and ultraviolet-induced oxidative stress. Herein, we propose a multi-component, multi-pathway drug combination, with glabridin, 3-O-ethyl-L-ascorbic acid, and tranexamic acid employed as, respectively, a tyrosinase inhibitor, an antioxidant, and a melanin transmission inhibitor. Considering the poor skin permeability associated with topical application, dissolving microneedles (MNs) prepared with hyaluronic acid/poly(vinyl alcohol)/poly(vinylpyrrolidone) were developed to load the drug combination. The drug-loaded microneedles (DMNs) presented outstanding skin insertion, dissolution, and drug delivery properties. In vitro experiments confirmed that DMNs loaded with active ingredients had significant antioxidant and inhibitory effects on tyrosinase activity. Furthermore, the production of melanin both in melanoma cells (B16-F10) and in zebrafish was directly reduced after using DMNs. Clinical studies demonstrated the DMNs' safety and showed that they have the ability to effectively reduce chloasma and age spots. This study indicated that a complex DMN based on a multifunctional combination is a valuable depigmentation product worthy of clinical application.
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Affiliation(s)
- Chenxin Yan
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengzhen Xing
- Key Laboratory of New Material Research Institute, Department of Acupuncture-Moxibustion and Tuina, Shandong University of Traditional Chinese Medicine, Jinan 250355, China;
| | - Suohui Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
- Beijing CAS Microneedle Technology Ltd., Beijing 102609, China
| | - Yunhua Gao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing CAS Microneedle Technology Ltd., Beijing 102609, China
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Chen B, Su J, Hu Y, Liu S, Ouyang X, Cai R, You X, Li X. Antioxidant mechanisms and products of four 4',5,7-trihydroxyflavonoids with different structural types. RSC Med Chem 2023; 14:173-182. [PMID: 36760741 PMCID: PMC9890593 DOI: 10.1039/d2md00333c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
4',5,7-OHs are common substituents of natural flavonoids, a type of effective phenolic antioxidant. However, the antioxidant processes between 4',5,7-trihydroxyflavonoids with different structural types have not been compared systematically, and the antioxidant products are challenging to determine. This study compared four 4',5,7-trihydroxyflavonoids, including apigenin, genistein, kaempferol, and naringenin. In quantum chemical analyses, the four 4',5,7-trihydroxyflavonoids showed different thermodynamic properties, and the C4'-OH (or C3-OH of kaempferol) possessed the strongest activity. Moreover, the reaction rate constants were larger when a hydrogen atom was transferred from C4'-OH (or C3-OH of kaempferol) than from C5-OH. When different atoms were linked to 2,2-diphenyl-1-picrylhydrazyl radical (DPPH˙), the C3'-DPPH adducts showed the smallest energy. In experimental assays, the scavenging ability for neutral free radicals, radical cations, and radical anions was negatively correlated with the corresponding theoretical parameters. Finally, mass spectroscopy detected the apigenin-DPPH˙, genistein-DPPH˙, and naringenin-DPPH˙ adduct peaks. In conclusion, the structural type of 4',5,7-trihydroxyflavonoids can affect the antioxidant ability, site, and speed, but not the mechanism. After hydrogen abstraction at C4'-OH, 4',5,7-trihydroxyflavones, 4',5,7-trihydroxyisoflavones, and 4',5,7-trihydroxyflavanones will produce antioxidant products via C3'-radical linking.
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Affiliation(s)
- Ban Chen
- Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology Wuhan 430000 China
- Cooperative Innovation Centre of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei University of Technology Wuhan 430000 China
| | - Jiangtao Su
- Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology Wuhan 430000 China
- Cooperative Innovation Centre of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei University of Technology Wuhan 430000 China
| | - Yuchen Hu
- Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology Wuhan 430000 China
- Cooperative Innovation Centre of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei University of Technology Wuhan 430000 China
| | - Shuqin Liu
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine Guangzhou 510000 China
| | | | - Rongxin Cai
- Guangdong Food Industry Institute Co., Ltd. Guangzhou 510000 China
| | - Xiangyu You
- Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology Wuhan 430000 China
- Cooperative Innovation Centre of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei University of Technology Wuhan 430000 China
| | - Xican Li
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine Guangzhou 510000 China
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Li S, Wang J, Zhang L, Zheng Y, Ma G, Sun X, Yuan J. Preparation of Dendrobium officinale Flower Anthocyanin and Extended Lifespan in Caenorhabditis elegans. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238608. [PMID: 36500704 PMCID: PMC9741365 DOI: 10.3390/molecules27238608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/28/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
The Dendrobium officinale flower is a non-medicinal part of the plant, rich in a variety of nutrients and bioactive ingredients. The purpose of this article was to explore the preparation conditions of anthocyanins (ACNs) from the D. officinale flower. Subsequently, its anti-aging effects were evaluated with Caenorhabditis elegans. Results showed that the ACNs had antioxidant activities on scavenging free radicals (DPPH· and ABTS+·), and the clearance rate was positively correlated with the dose. Additionally, ACNs significantly increased the activity of superoxide dismutase (SOD) in C. elegans, which was 2.068-fold higher than that of the control. Treatment with ACNs at 150 μL extended the lifespan of C. elegans by 56.25%, and treatment with ACNs at 50 μL promoted fecundity in C. elegans. Finally, the protective effect of ACNs enhanced stress resistance, thereby increasing the survival numbers of C. elegans, which provided insights for the development and practical application of functional products.
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Affiliation(s)
- Shuangxi Li
- Xingzhi College, Zhejiang Normal University, Lanxi 321100, China
| | - Jianfeng Wang
- Xingzhi College, Zhejiang Normal University, Lanxi 321100, China
| | - Liangliang Zhang
- Xingzhi College, Zhejiang Normal University, Lanxi 321100, China
| | - Yang Zheng
- Xingzhi College, Zhejiang Normal University, Lanxi 321100, China
| | - Guorong Ma
- Zhejiang Lanxi Jinrong Biological Technology Co., Ltd., Lanxi 321100, China
| | - Xiaoming Sun
- Xingzhi College, Zhejiang Normal University, Lanxi 321100, China
- Key Laboratory of Wildlife Biotechnology and Conservation and Utilization of Zhejiang Province, Zhejiang Normal University, Jinhua 321004, China
| | - Jianfeng Yuan
- Xingzhi College, Zhejiang Normal University, Lanxi 321100, China
- Key Laboratory of Wildlife Biotechnology and Conservation and Utilization of Zhejiang Province, Zhejiang Normal University, Jinhua 321004, China
- Correspondence: ; Tel.: +86-0579-88321092
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Synthesis of a Nanoparticle of Selenious Acid Acyl Diaquercetin for Skin Care Products. ChemistrySelect 2022. [DOI: 10.1002/slct.202203493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Buravlev EV, Shevchenko OG. Novel Mannich Bases of α‐MangostinBearing Methoxyphenyl Moietieswith Antioxidant and Membrane‐protective activity. ChemistrySelect 2022. [DOI: 10.1002/slct.202202474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Evgeny V. Buravlev
- Laboratory of Organic Synthesis and Chemistry of Natural Compounds Institute of Chemistry Komi Scientific Center Ural Branch of the Russian Academy of Sciences Pervomayskaya St. 48 Syktyvkar 167000 Komi Republic Russian Federation
| | - Oksana G. Shevchenko
- Center of Collective Usage ‘Molecular Biology' Institute of Biology Komi Scientific Center Ural Branch of the Russian Academy of Sciences 28, Kommunisticheskaya St. 167982 Syktyvkar Komi Republic Russian Federation
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Phytophenol Dimerization Reaction: From Basic Rules to Diastereoselectivity and Beyond. Molecules 2022; 27:molecules27154842. [PMID: 35956790 PMCID: PMC9369853 DOI: 10.3390/molecules27154842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 07/23/2022] [Accepted: 07/26/2022] [Indexed: 11/21/2022] Open
Abstract
Phytophenol dimerization, which is a radical-mediated coupling reaction, plays a critical role in many fields, including lignin biosynthesis. To understand the reaction, 2,2-diphenyl-1-picrylhydrazyl radical was used to initiate a series of phytophenol dimerization reactions in methanol. The products were identified using ultra-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry (UHPLC-ESI-Q-TOF-MS/MS) analysis in situ. The identified products mainly included biphenols, magnolol, honokiol, gingerol 6,6′-dimers, 3,6-dimethoxylcatechol β,β′ dimer, euphorbetin, bis-eugenol, dehydrodiisoeugenol, trans-ε-viniferin, (+) pinoresinol, and (−) pinoresinol. Structure–function relationship analysis allowed four basic rules to be defined: meta-excluded, C–C bonding domination, ortho-diOH co-activation, and exocyclic C=C involvement. The exocyclic C=C involvement, however, required conjugation with the phenolic core and the para-site of the -OH group, to yield a furan-fused dimer with two chiral centers. Computational chemistry indicated that the entire process was completed via a radical coupling reaction and an intramolecular conjugate addition reaction. Similar results were also found for the horseradish peroxidase (HRP)-catalyzed coniferyl alcohol dimerization, which produced (+) and (−) pinoresinols (but no (−) epipinoresinol), suggesting that the HRP-catalyzed process was essentially an exocyclic C=C-involved phytophenol dimerization reaction. The reaction was highly diastereoselective. This was attributed to the intramolecular reaction, which prohibited Re-attack. The four basic rules and diastereoselectivity can explain and even predict the main products in various chemical and biological events, especially oxidase-catalyzed lignin cyclization.
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Fang YK, Shang ZM, Sun GQ, Zhang MS, Wang G, Xu DL, Zhou Y, Sun CX, Xiao SJ. Glucosyloxybenzyl 2-isobutylmalates and phenolic glycosides from the flowers of Bletilla striata. Fitoterapia 2022; 160:105220. [PMID: 35589060 DOI: 10.1016/j.fitote.2022.105220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/09/2022] [Accepted: 05/12/2022] [Indexed: 11/29/2022]
Abstract
Four previously undescribed compounds, including three glucosyloxybenzyl 2-isobutylmalates (1-3), one phenolic glycoside (4), along with ten known compounds were isolated from the flowers of Bletilla striata. The structures and absolute configurations of the undescribed compounds were elucidated on the basis of HR-ESIMS, NMR spectroscopy, optical rotation value, and acid hydrolysis experiment. Cytotoxicity of the isolated compounds against A549, HCT-116, and SW1990 cells and protective effects of t-BHP-induced L02 cytotoxic were assayed. The antioxidant activities of the isolated compounds were also evaluated.
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Affiliation(s)
- Yi-Ke Fang
- Department of Medicinal Chemistry, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563000, China; Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Zhi-Mei Shang
- Department of Medicinal Chemistry, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563000, China; Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Guo-Qing Sun
- Department of Medicinal Chemistry, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563000, China; Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Mao-Sheng Zhang
- Department of Medicinal Chemistry, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563000, China; Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Gang Wang
- Department of Medicinal Chemistry, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563000, China; Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - De-Lin Xu
- Department of Cell Biology, Zunyi Medical University, Zunyi 563000, China
| | - Yan Zhou
- Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Cheng-Xin Sun
- Department of Medicinal Chemistry, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563000, China; Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China.
| | - Shi-Ji Xiao
- Department of Medicinal Chemistry, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563000, China; Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China.
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Chu J, Ming Y, Cui Q, Zheng N, Yang S, Li W, Gao H, Zhang R, Cheng X. Efficient extraction and antioxidant activity of polyphenols from Antrodia cinnamomea. BMC Biotechnol 2022; 22:9. [PMID: 35255883 PMCID: PMC8903569 DOI: 10.1186/s12896-022-00739-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 03/01/2022] [Indexed: 11/18/2022] Open
Abstract
Background Antrodia cinnamomea, a rare medicinal fungus, has been increasingly studied in recent years because of its abundant secondary metabolites which are beneficial to humans. However, there is a lack of research on its polyphenols which are of good research value due to their antioxidant, anti-inflammatory, hypoglycemic and other activities. Results In this study, the effects of different extraction conditions on the yield of its polyphenols were investigated. Deep-Eutectic Solvents composed of choline chloride and malonic acid had the best extraction efficiency, with the optimal extraction conditions being as follows: a solid–liquid ratio of 40 mg/mL, an extraction temperature of 55 °C, an extraction time of 70 min and a DES with 20% water content. Under these conditions, the extraction yield of polyphenols reached 22.09 mg/g which was about 2 times that of alcohol-based extraction (10.95 mg/g). In vitro antioxidant test results further showed that polyphenols from A. cinnamomea had strong antioxidant activities. When the concentration of polyphenols reached 0.1 mg/mL of polyphenols, the scavenging activity of free radical basically reached its maximum, with values of 94.10%, 83.34% and 95.42% for DPPH, ABTS+ and ·OH scavenging. In this case, the corresponding IC50 values were 0.01, 0.014 and 0.007 mg/mL, respectively. Conclusions This study lays the foundation for the efficient extraction and application of polyphenols from A. cinnamomea.
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Affiliation(s)
- JianZhi Chu
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai, 264025, China
| | - YongFei Ming
- School of Life Science, Ludong University, Yantai, 264025, Shandong, China
| | - Qi Cui
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai, 264025, China
| | - Na Zheng
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai, 264025, China
| | - ShuDe Yang
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai, 264025, China
| | - WeiHuan Li
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai, 264025, China
| | - Hongwei Gao
- School of Life Science, Ludong University, Yantai, 264025, Shandong, China
| | - Rui Zhang
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai, 264025, China.
| | - XianHao Cheng
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai, 264025, China.
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Chen B, Li X, Liu J, Li Y, Dai W, Chen Y, Chen D. Ferroptosis-Inhibitory Effect and Possible Mechanisms of Ellagitannin Geraniin. ChemistryOpen 2021; 10:737-739. [PMID: 33590718 PMCID: PMC8340064 DOI: 10.1002/open.202000255] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 01/28/2021] [Indexed: 12/14/2022] Open
Abstract
The search for safe and effective ferroptosis-inhibitors has become an important topic. Geraniin, an ellagitannin bearing hexahydroxydiphenoyl (HHDP) and dehydrohexahydroxydiphenoyl (DHHDP) groups, was observed to inhibit erastin-induced ferroptosis in bone marrow-derived mesenchymal stem cells (bmMSCs). To determine the mechanism, geraniin was further analyzed using UV-vis spectra and several colorimetric assays, where its IC50 values were always much lower than that of the Trolox positive control. When interacted with several free radicals, geraniin gave no radical adduct formation (RAF) peak in the ultra-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry. In conclusion, geraniin exhibits ferroptosis-inhibitory potential towards erastin-treated bmMSCs; such potential may mainly stem from its strong lipid peroxidation (LPO)-inhibition, Fe2+ -chelating, and antioxidant actions. Geraniin gives neither dimer nor radical adduct, owing to the bulky HHDP (or DHHDP) group; thus, it is considered as a safe and effective ferroptosis-inhibitor.
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Affiliation(s)
- Ban Chen
- School of Chinese Herbal MedicineGuangzhou University of Chinese MedicineWaihuan East Road No. 232, Guangzhou Higher Education Mega Center510006GuangzhouChina
| | - Xican Li
- School of Chinese Herbal MedicineGuangzhou University of Chinese MedicineWaihuan East Road No. 232, Guangzhou Higher Education Mega Center510006GuangzhouChina
| | - Jie Liu
- Shenzhen Bao'an Traditional Chinese Medicine HospitalGuangzhou University of Chinese Medicine51800ShenzhenChina
| | - Yuling Li
- School of Chinese Herbal MedicineGuangzhou University of Chinese MedicineWaihuan East Road No. 232, Guangzhou Higher Education Mega Center510006GuangzhouChina
| | - Wanjian Dai
- School of Chinese Herbal MedicineGuangzhou University of Chinese MedicineWaihuan East Road No. 232, Guangzhou Higher Education Mega Center510006GuangzhouChina
| | - Yingci Chen
- School of Chinese Herbal MedicineGuangzhou University of Chinese MedicineWaihuan East Road No. 232, Guangzhou Higher Education Mega Center510006GuangzhouChina
| | - Dongfeng Chen
- School of Basic Medical ScienceGuangzhou University of Chinese MedicineWaihuan East Road No. 232, Guangzhou Higher Education Mega Center510006GuangzhouChina
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Zheng N, Ming Y, Chu J, Yang S, Wu G, Li W, Zhang R, Cheng X. Optimization of Extraction Process and the Antioxidant Activity of Phenolics from Sanghuangporus baumii. Molecules 2021; 26:3850. [PMID: 34202632 PMCID: PMC8270281 DOI: 10.3390/molecules26133850] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/15/2021] [Accepted: 06/22/2021] [Indexed: 11/16/2022] Open
Abstract
Sanghuangporus baumii, is a widely used medicinal fungus. The polyphenols extracted from this fungus exert antioxidant, anti-inflammatory, and hypoglycemic effects. In this study, polyphenols from the fruiting bodies of S. baumii were obtained using the deep eutectic solvent (DES) extraction method. The factors affecting the extraction yield were investigated at different conditions. Based on the results from single-factor experiments, response surface methodology was used to optimize the extraction conditions. The scavenging ability of the polyphenols on •OH, DPPH, and ABTS+ was determined. The results showed that the DES system composed of choline chloride and malic acid had the best extraction yield (6.37 mg/g). The optimal extraction parameters for response surface methodology were as follows: 42 min, 58 ℃, 1:34 solid-liquid (mg/mL), and water content of 39%. Under these conditions, the yield of polyphenols was the highest (12.58 mg/g). At 0.30 mg/mL, the scavenging ability of the polyphenols on •OH, DPPH, and ABTS+ was 95.71%, 91.08%, and 85.52%, respectively. Thus, the method using DES was more effective than the conventional method of extracting phenolic compounds from the fruiting bodies of S. baumii. Moreover, the extracted polyphenols exhibited potent antioxidant activity.
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Affiliation(s)
- Na Zheng
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China; (N.Z.); (J.C.); (S.Y.); (G.W.); (W.L.)
| | - Yongfei Ming
- School of Life Science, Ludong University, Yantai 264025, China;
| | - Jianzhi Chu
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China; (N.Z.); (J.C.); (S.Y.); (G.W.); (W.L.)
| | - Shude Yang
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China; (N.Z.); (J.C.); (S.Y.); (G.W.); (W.L.)
| | - Guochao Wu
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China; (N.Z.); (J.C.); (S.Y.); (G.W.); (W.L.)
| | - Weihuan Li
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China; (N.Z.); (J.C.); (S.Y.); (G.W.); (W.L.)
| | - Rui Zhang
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China; (N.Z.); (J.C.); (S.Y.); (G.W.); (W.L.)
| | - Xianhao Cheng
- Shandong Key Lab of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China; (N.Z.); (J.C.); (S.Y.); (G.W.); (W.L.)
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12
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Zhang W, Li X, Hua Y, Li Z, Chen B, Liu A, Lu W, Zhao X, Diao Y, Chen D. Antioxidant product analysis of Hulu Tea ( Tadehagi triquetrum). NEW J CHEM 2021. [DOI: 10.1039/d1nj02639a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Phytophenols from Hulu Tea can produce not only homodimers but also a heterodimer through the antioxidant activity.
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Affiliation(s)
- Wenhui Zhang
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Xican Li
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Yujie Hua
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Zhen Li
- School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Ban Chen
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Aijun Liu
- School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Wenbiao Lu
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Xiaojun Zhao
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Yuanming Diao
- School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Dongfeng Chen
- School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
- The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
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13
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Zhang S, Feng Y, Fu T, Sheng Y, Diao J, Wang C. Effect of processing on the phenolics content and antioxidant properties of mung bean. Cereal Chem 2020. [DOI: 10.1002/cche.10375] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Shu Zhang
- College of Food Heilongjiang Bayi Agricultural University Daqing China
- Chinese National Engineering Research Center Daqing China
| | - Yu‐Chao Feng
- College of Food Heilongjiang Bayi Agricultural University Daqing China
| | - Tian‐Xin Fu
- College of Food Heilongjiang Bayi Agricultural University Daqing China
| | - Ya‐Nan Sheng
- College of Food Heilongjiang Bayi Agricultural University Daqing China
| | - Jing‐Jing Diao
- College of Food Heilongjiang Bayi Agricultural University Daqing China
- Chinese National Engineering Research Center Daqing China
| | - Chang‐Yuan Wang
- College of Food Heilongjiang Bayi Agricultural University Daqing China
- Chinese National Engineering Research Center Daqing China
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14
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Li X, Liu J, Chen B, Chen Y, Dai W, Li Y, Zhu M. Covalent Bridging of Corilagin Improves Antiferroptosis Activity: Comparison with 1,3,6-Tri- O-galloyl-β-d-glucopyranose. ACS Med Chem Lett 2020; 11:2232-2237. [PMID: 33214834 DOI: 10.1021/acsmedchemlett.0c00359] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 10/02/2020] [Indexed: 12/22/2022] Open
Abstract
The ellagitannin corilagin and its analogue 1,3,6-tri-O-galloyl-β-d-glucopyranose (TGG) were found to protect bone marrow-derived mesenchymal stem cells (bmMSCs) against erastin-induced ferroptosis by cellular assays. However, the antiferroptosis bioactivity of corilagin was higher than that of TGG. Corilagin also exhibited higher antioxidant and Fe2+-chelation levels than TGG. Treated with 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals, corilagin and TGG yielded a corilagin- and a TGG-DPPH adduct, respectively. The corilagin-DPPH adduct retained the covalent bridge throughout the ultrahigh-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry (UHPLC-ESI-Q-TOF-MS) analysis. The strength of the covalent bridge is attributable to enhancement of its partial π-π conjugation. Thus, the bridge has sufficient strength to twist the chair conformation of the glucopyranosyl ring and to assemble two large aromatic rings, thereby improving the antioxidant (including Fe2+-chelation) reactivities. The bridge can also stabilize the product intermediate via partial π-π conjugation. Hence, corilagin is a superior ferroptosis inhibitor and antioxidant compared to TGG.
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Affiliation(s)
- Xican Li
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No. 232, Guangzhou Higher Education
Mega Center, Guangzhou, People’s Republic of China, 510006
| | - Jie Liu
- Shenzhen Bao’an Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, People’s Republic of China, 518101
| | - Ban Chen
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No. 232, Guangzhou Higher Education
Mega Center, Guangzhou, People’s Republic of China, 510006
| | - Yingci Chen
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No. 232, Guangzhou Higher Education
Mega Center, Guangzhou, People’s Republic of China, 510006
| | - Wanjian Dai
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No. 232, Guangzhou Higher Education
Mega Center, Guangzhou, People’s Republic of China, 510006
| | - Yuling Li
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No. 232, Guangzhou Higher Education
Mega Center, Guangzhou, People’s Republic of China, 510006
| | - Meiling Zhu
- Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Shenzhen, People’s Republic of China, 518101
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Inhibitory Effect and Mechanism of Action of Quercetin and Quercetin Diels-Alder anti-Dimer on Erastin-Induced Ferroptosis in Bone Marrow-Derived Mesenchymal Stem Cells. Antioxidants (Basel) 2020; 9:antiox9030205. [PMID: 32131401 PMCID: PMC7139729 DOI: 10.3390/antiox9030205] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 02/18/2020] [Accepted: 02/27/2020] [Indexed: 02/08/2023] Open
Abstract
In this study, the anti-ferroptosis effects of catecholic flavonol quercetin and its metabolite quercetin Diels-Alder anti-dimer (QDAD) were studied using an erastin-treated bone marrow-derived mesenchymal stem cell (bmMSCs) model. Quercetin exhibited higher anti-ferroptosis levels than QDAD, as indicated by 4,4-difluoro-5-(4-phenyl-1,3-butadienyl)-4-bora-3a,4a-diaza-s-indacene-3-undecanoic acid (C11-BODIPY), 2',7'-dichlorodihydrofluoroscein diacetate (H2DCFDA), lactate dehydrogenase (LDH) release, cell counting kit-8 (CCK-8), and flow cytometric assays. To understand the possible pathways involved, the reaction product of quercetin with the 1,1-diphenyl-2-picrylhydrazyl radical (DPPH●) was measured using ultra-performance liquid-chromatography coupled with electrospray-ionization quadrupole time-of-flight tandem mass spectrometry (UHPLC-ESI-Q-TOF-MS). Quercetin was found to produce the same clusters of molecular ion peaks and fragments as standard QDAD. Furthermore, the antioxidant effects of quercetin and QDAD were compared by determining their 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide radical-scavenging, Cu2+-reducing, Fe3+-reducing, lipid peroxidation-scavenging, and DPPH●-scavenging activities. Quercetin consistently showed lower IC50 values than QDAD. These findings indicate that quercetin and QDAD can protect bmMSCs from erastin-induced ferroptosis, possibly through the antioxidant pathway. The antioxidant pathway can convert quercetin into QDAD-an inferior ferroptosis-inhibitor and antioxidant. The weakening has highlighted a rule for predicting the relative anti-ferroptosis and antioxidant effects of catecholic flavonols and their Diels-Alder dimer metabolites.
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Liu J, Li X, Cai R, Ren Z, Zhang A, Deng F, Chen D. Simultaneous Study of Anti-Ferroptosis and Antioxidant Mechanisms of Butein and ( S)-Butin. Molecules 2020; 25:E674. [PMID: 32033283 PMCID: PMC7036861 DOI: 10.3390/molecules25030674] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/04/2020] [Accepted: 02/04/2020] [Indexed: 12/14/2022] Open
Abstract
To elucidate the mechanism of anti-ferroptosis and examine structural optimization in natural phenolics, cellular and chemical assays were performed with 2'-hydroxy chalcone butein and dihydroflavone (S)-butin. C11-BODIPY staining and flow cytometric assays suggest that butein more effectively inhibits ferroptosis in erastin-treated bone marrow-derived mesenchymal stem cells than (S)-butin. Butein also exhibited higher antioxidant percentages than (S)-butin in five antioxidant assays: linoleic acid emulsion assay, Fe3+-reducing antioxidant power assay, Cu2+-reducing antioxidant power assay, 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl 3-oxide radical (PTIO•)-trapping assay, and α,α-diphenyl-β-picrylhydrazyl radical (DPPH•)-trapping assay. Their reaction products with DPPH• were further analyzed using ultra-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry (UPLC-ESI-Q-TOF-MS). Butein and (S)-butin produced a butein 5,5-dimer (m/z 542, 271, 253, 225, 135, and 91) and a (S)-butin 5',5'-dimer (m/z 542, 389, 269, 253, and 151), respectively. Interestingly, butein forms a cross dimer with (S)-butin (m/z 542, 523, 433, 419, 415, 406, and 375). Therefore, we conclude that butein and (S)-butin exert anti-ferroptotic action via an antioxidant pathway (especially the hydrogen atom transfer pathway). Following this pathway, butein and (S)-butin yield both self-dimers and cross dimers. Butein displays superior antioxidant or anti-ferroptosis action to (S)-butin. This can be attributed the decrease in π-π conjugation in butein due to saturation of its α,β-double bond and loss of its 2'-hydroxy group upon biocatalytical isomerization.
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Affiliation(s)
- Jie Liu
- School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, China;
- The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Xican Li
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No. 232, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; (R.C.); (Z.R.); (A.Z.); (F.D.)
| | - Rongxin Cai
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No. 232, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; (R.C.); (Z.R.); (A.Z.); (F.D.)
| | - Ziwei Ren
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No. 232, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; (R.C.); (Z.R.); (A.Z.); (F.D.)
| | - Aizhen Zhang
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No. 232, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; (R.C.); (Z.R.); (A.Z.); (F.D.)
| | - Fangdan Deng
- School of Chinese Herbal Medicine, Guangzhou University of Chinese Medicine, Waihuan East Road No. 232, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; (R.C.); (Z.R.); (A.Z.); (F.D.)
| | - Dongfeng Chen
- School of Basic Medical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, China;
- The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
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Comparative Analysis of Radical Adduct Formation (RAF) Products and Antioxidant Pathways between Myricetin-3- O-Galactoside and Myricetin Aglycone. Molecules 2019; 24:molecules24152769. [PMID: 31366105 PMCID: PMC6696482 DOI: 10.3390/molecules24152769] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 07/26/2019] [Accepted: 07/29/2019] [Indexed: 11/21/2022] Open
Abstract
The biological process, 3-O-galactosylation, is important in plant cells. To understand the mechanism of the reduction of flavonol antioxidative activity by 3-O-galactosylation, myricetin-3-O-galactoside (M3OGa) and myricetin aglycone were each incubated with 2 mol α,α-diphenyl-β-picrylhydrazyl radical (DPPH•) and subsequently comparatively analyzed for radical adduct formation (RAF) products using ultra-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry (UPLC-ESI-Q-TOF-MS) technology. The analyses revealed that M3OGa afforded an M3OGa–DPPH adduct (m/z 873.1573) and an M3OGa–M3OGa dimer (m/z 958.1620). Similarly, myricetin yielded a myricetin–DPPH adduct (m/z 711.1039) and a myricetin–myricetin dimer (m/z 634.0544). Subsequently, M3OGa and myricetin were compared using three redox-dependent antioxidant analyses, including DPPH•-trapping analysis, 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl 3-oxide radical (PTIO•)-trapping analysis, and •O2 inhibition analysis. In the three analyses, M3OGa always possessed higher IC50 values than those of myricetin. Conclusively, M3OGa and its myricetin aglycone could trap the free radical via a chain reaction comprising of a propagation step and a termination step. At the propagation step, both M3OGa and myricetin could trap radicals through redox-dependent antioxidant pathways. The 3-O-galactosylation process, however, could limit these pathways; thus, M3OGa is an inferior antioxidant compared to its myricetin aglycone. Nevertheless, 3-O-galactosylation has a negligible effect on the termination step. This 3-O-galactosylation effect has provided novel evidence that the difference in the antioxidative activities of phytophenols exists at the propagation step rather than the termination step.
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