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Qin Y, Zhou RR, Liu H, Shi SY, Zhang SH. New insights into the chemistry and anticancer activity of Ophiocordyceps xuefengensis. J Pharm Biomed Anal 2024; 249:116345. [PMID: 38986348 DOI: 10.1016/j.jpba.2024.116345] [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: 05/08/2024] [Revised: 06/25/2024] [Accepted: 07/05/2024] [Indexed: 07/12/2024]
Abstract
Ophiocordyceps xuefengensis (O. xuefengensis), the sister taxon of Ophiocordyceps sinensis (O. sinensis), is consumed as a "tonic food" due to its health benefits. However, little is known regarding the chemistry and bioactivity of O. xuefengensis. In this study, we characterized 80 indole-based alkaloids in the ethyl acetate fraction of O. xuefengensis by high performance liquid chromatography-quadrupole time of flight mass spectrometry (HPLC-Q-TOF-MS/MS), of which 54 indole-based alkaloids were identified as possibly new compounds. Furthermore, 29 of these compounds were established as potential anti-cancer compounds by ligand fishing combined with HPLC-Q-TOF-MS/MS. Moreover, molecular docking identified the NH- and OH- groups of these compounds as the key active groups. The present study has expanded the knowledge on the characteristic indole-based alkaloids and anti-cancer activity of O. xuefengensis.
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Affiliation(s)
- You Qin
- Institute of Chinese Medicine Resources, Hunan Academy of Chinese Medicine, Changsha 410013, PR China
| | - Rong-Rong Zhou
- Institute of Chinese Medicine Resources, Hunan Academy of Chinese Medicine, Changsha 410013, PR China; Hunan Academy of Chinese Medicine Affiliated Hospital, Changsha 410013, PR China
| | - Hao Liu
- Institute of Chinese Medicine Resources, Hunan Academy of Chinese Medicine, Changsha 410013, PR China
| | - Shu-Yun Shi
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, PR China.
| | - Shui-Han Zhang
- Institute of Chinese Medicine Resources, Hunan Academy of Chinese Medicine, Changsha 410013, PR China.
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2
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García-Villegas A, Fernández-Ochoa Á, Rojas-García A, Alañón ME, Arráez-Román D, Cádiz-Gurrea MDLL, Segura-Carretero A. The Potential of Mangifera indica L. Peel Extract to Be Revalued in Cosmetic Applications. Antioxidants (Basel) 2023; 12:1892. [PMID: 37891971 PMCID: PMC10603900 DOI: 10.3390/antiox12101892] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
The constant growth of the cosmetic industry, together with the scientific evidence of the beneficial properties of phytochemicals, has generated great interest in the incorporation of bioactive extracts in cosmetic formulations. This study aims to evaluate the bioactive potential of a mango peel extract for its incorporation into cosmetic formulations. For this purpose, several assays were conducted: phytochemical characterization; total phenolic content (TPC) and antioxidant potential; free-radical scavenging capacity; and skin aging-related enzyme inhibition. In addition, the extract was incorporated into a gel formulation, and a preliminary stability study was conducted where the accelerated (temperature ramp, centrifugation, and heating/cooling cycles) and long-term (storage in light and dark for three months) stability of the mango peel formulations were evaluated. The characterization results showed the annotation of 71 compounds, gallotannins being the most representative group. In addition, the mango peel extract was shown to be effective against the •NO radical with an IC50 of 7.5 mg/L and against the hyaluronidase and xanthine oxidase enzymes with IC50 of 27 mg/L and 2 mg/L, respectively. The formulations incorporating the extract were stable during the stability study. The results demonstrate that mango peel extract can be a by-product to be revalorized as a promising cosmetic ingredient.
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Affiliation(s)
- Abigail García-Villegas
- Department of Analytical Chemistry, University of Granada, Av. Fuentenueva s/n, 18071 Granada, Spain; (A.G.-V.); (Á.F.-O.); (A.R.-G.); (D.A.-R.); (A.S.-C.)
| | - Álvaro Fernández-Ochoa
- Department of Analytical Chemistry, University of Granada, Av. Fuentenueva s/n, 18071 Granada, Spain; (A.G.-V.); (Á.F.-O.); (A.R.-G.); (D.A.-R.); (A.S.-C.)
| | - Alejandro Rojas-García
- Department of Analytical Chemistry, University of Granada, Av. Fuentenueva s/n, 18071 Granada, Spain; (A.G.-V.); (Á.F.-O.); (A.R.-G.); (D.A.-R.); (A.S.-C.)
| | - María Elena Alañón
- Regional Institute for Applied Scientific Research (IRICA), University of Castilla-La Mancha, Avda. Camilo José Cela 10, 13071 Ciudad Real, Spain;
- Department of Analytical Chemistry and Food Science and Technology, University of Castilla-La Mancha, Ronda de Calatrava 7, 13071 Ciudad Real, Spain
| | - David Arráez-Román
- Department of Analytical Chemistry, University of Granada, Av. Fuentenueva s/n, 18071 Granada, Spain; (A.G.-V.); (Á.F.-O.); (A.R.-G.); (D.A.-R.); (A.S.-C.)
| | - María de la Luz Cádiz-Gurrea
- Department of Analytical Chemistry, University of Granada, Av. Fuentenueva s/n, 18071 Granada, Spain; (A.G.-V.); (Á.F.-O.); (A.R.-G.); (D.A.-R.); (A.S.-C.)
| | - Antonio Segura-Carretero
- Department of Analytical Chemistry, University of Granada, Av. Fuentenueva s/n, 18071 Granada, Spain; (A.G.-V.); (Á.F.-O.); (A.R.-G.); (D.A.-R.); (A.S.-C.)
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3
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Xue S, Li Z, Ze X, Wu X, He C, Shuai W, Marlow M, Chen J, Scurr D, Zhu Z, Xu J, Xu S. Design, Synthesis, and Biological Evaluation of Novel Hybrids Containing Dihydrochalcone as Tyrosinase Inhibitors to Treat Skin Hyperpigmentation. J Med Chem 2023; 66:5099-5117. [PMID: 36940414 DOI: 10.1021/acs.jmedchem.3c00012] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023]
Abstract
Excessive melanin deposition may lead to a series of skin disorders. The production of melanin is carried out by melanocytes, in which the enzyme tyrosinase performs a key role. In this work, we identified a series of novel tyrosinase inhibitor hybrids with a dihydrochalcone skeleton and resorcinol structure, which can inhibit tyrosinase activity and reduce the melanin content in the skin. Compound 11c possessed the most potent activity against tyrosinase, showing IC50 values at nanomolar concentration ranges, along with significant antioxidant activity and low cytotoxicity. Furthermore, in vitro permeation tests, supported by HPLC analysis and 3D OrbiSIMS imaging visualization, revealed the excellent permeation of 11c. More importantly, compound 11c reduced the melanin content on UV-induced skin pigmentation in a guinea pig model in vivo. These results suggest that compound 11c may serve as a promising potent tyrosinase inhibitor for the development of a potential therapy to treat skin hyperpigmentation.
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Affiliation(s)
- Songtao Xue
- School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, P. R. China
| | - Zhiwei Li
- School of Pharmacy, The University of Nottingham, University Park Campus, Nottingham NG7 2RD, UK
| | - Xiaotong Ze
- School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, P. R. China
| | - Xiuyuan Wu
- School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, P. R. China
| | - Chen He
- School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, P. R. China
| | - Wen Shuai
- School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, P. R. China
| | - Maria Marlow
- School of Pharmacy, The University of Nottingham, University Park Campus, Nottingham NG7 2RD, UK
| | - Jian Chen
- Department of Hepatobiliary Surgery, The First People's Hospital of Kunshan, Suzhou 215300, P. R. China
| | - David Scurr
- School of Pharmacy, The University of Nottingham, University Park Campus, Nottingham NG7 2RD, UK
| | - Zheying Zhu
- School of Pharmacy, The University of Nottingham, University Park Campus, Nottingham NG7 2RD, UK
| | - Jinyi Xu
- School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, P. R. China
| | - Shengtao Xu
- School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, P. R. China
- Department of Hepatobiliary Surgery, The First People's Hospital of Kunshan, Suzhou 215300, P. R. China
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Miranda de Souza Duarte-Filho LA, Ortega de Oliveira PC, Yanaguibashi Leal CE, de Moraes MC, Picot L. Ligand fishing as a tool to screen natural products with anticancer potential. J Sep Sci 2023:e2200964. [PMID: 36808885 DOI: 10.1002/jssc.202200964] [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: 11/24/2022] [Revised: 02/07/2023] [Accepted: 02/07/2023] [Indexed: 02/23/2023]
Abstract
Cancer is the second leading cause of death in the world and its incidence is expected to increase with the aging of the world's population and globalization of risk factors. Natural products and their derivatives have provided a significant number of approved anticancer drugs and the development of robust and selective screening assays for the identification of lead anticancer natural products are essential in the challenge of developing personalized targeted therapies tailored to the genetic and molecular characteristics of tumors. To this end, a ligand fishing assay is a remarkable tool to rapidly and rigorously screen complex matrices, such as plant extracts, for the isolation and identification of specific ligands that bind to relevant pharmacological targets. In this paper, we review the application of ligand fishing with cancer-related targets to screen natural product extracts for the isolation and identification of selective ligands. We provide critical analysis of the system configurations, targets, and key phytochemical classes related to the field of anticancer research. Based on the data collected, ligand fishing emerges as a robust and powerful screening system for the rapid discovery of new anticancer drugs from natural resources. It is currently an underexplored strategy according to its considerable potential.
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Affiliation(s)
| | | | - Cíntia Emi Yanaguibashi Leal
- Departamento de Ciências Farmacêuticas, Pós-Graduação em Biociências (PGB) Universidade Federal do Vale do São Francisco, Petrolina, Brazil
| | - Marcela Cristina de Moraes
- Departamento de Química Orgânica, Laboratório BIOCROM, Instituto de Química, Universidade Federal Fluminense, Niterói, Brazil
| | - Laurent Picot
- UMR CNRS 7266 LIENSs, Département de Biotechnologie, La Rochelle Université, La Rochelle, France
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Chen X, Wu Y, Gu Y, Luo J, Kong L. Efficient discovery of potent α-glucosidase inhibitors from Paeoniae lactiflora using enzyme-MOF nanocomposites and competitive indicators. Food Funct 2023; 14:171-180. [PMID: 36477546 DOI: 10.1039/d2fo02783f] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A great deal of attention has been paid to the seeds of Paeoniae lactiflora pall., an underutilized food resource, since its extract exhibits excellent α-glucosidase (GAA) inhibitory activity. In the present study, to gain further insight into this plant and find out potent GAA inhibitors, we established a novel ligand fishing strategy by introducing a competitive inhibitor as an indicator. After the successful establishment of this approach was verified by a series of methods, including kinetic assay, fluorescence determination, and HPLC, the newly developed ligand fishing method was applied to acquire potent GAA inhibitors from P. lactiflora seeds. Nine bioactive compounds were captured, and seven of them were identified as suffruticosol A, suffruticosol B, resveratrol, vitisin E, luteolin, trans-δ-viniferin, and ampelopsin E. The data of their GAA inhibitory activity demonstrated that these constituents were vigorously active against GAA with IC50 values of 1.67-30.47 μM, while such value of 1-DNJ was 228.77 μM. Among them, vitisin E and ampelopsin E were reported to show such inhibitory activity for the first time. Collectively, our findings provide valuable clues for the further utilization of P. lactiflora seeds as a functional food, and offer a new avenue for acquiring potent inhibitors from natural resources.
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Affiliation(s)
- Xinlin Chen
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China.
| | - Ying Wu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China.
| | - Yucheng Gu
- Syngenta, Jealott's Hill International Research Centre, Bracknell, Berkshire RG42 6EY, UK
| | - Jianguang Luo
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China.
| | - Lingyi Kong
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China.
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6
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In vitro antioxidant and enzyme inhibitory studies, computational analysis and chemodiversity of an emergency food plant Caralluma edulis (Edgew.) Benth. ex Hook.f: A multifunctional approach to provide new ingredients for nutraceuticals and functional foods. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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7
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The Luteolinidin and Petunidin 3- O-Glucoside: A Competitive Inhibitor of Tyrosinase. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27175703. [PMID: 36080469 PMCID: PMC9458148 DOI: 10.3390/molecules27175703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/17/2022]
Abstract
The enzyme tyrosinase plays a key role in the early stages of melanin biosynthesis. This study evaluated the inhibitory activity of anthocyanidin (1) and anthocyanins (2-6) on the catalytic reaction. Of the six derivatives examined, 1-3 showed inhibitory activity with IC50 values of 3.7 ± 0.1, 10.3 ± 1.0, and 41.3 ± 3.2 μM, respectively. Based on enzyme kinetics, 1-3 were confirmed to be competitive inhibitors with Ki values of 2.8, 9.0, and 51.9 μM, respectively. Molecular docking analysis revealed the formation of a binary encounter complex between 1-3 and the tyrosinase catalytic site. Luteolinidin (1) and petunidin 3-O-glucoside (2) may serve as tyrosinase inhibitors to block melanin production.
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8
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Cheng L, Wang F, Cao Y, Tong C, Wei Q, Shi S, Guo Y. Rapid profiling of potential antitumor polymethoxylated flavonoids in natural products by integrating cell biospecific extraction with neutral loss/diagnostic ion filtering-based high-performance liquid chromatography-quadrupole time-of-flight tandem mass spectrometry. PHYTOCHEMICAL ANALYSIS : PCA 2022; 33:895-905. [PMID: 35668040 DOI: 10.1002/pca.3147] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/14/2022] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
INTRODUCTION Citri Reticulatae Pericarpium Viride (CRPV, Qing Pi in Chinese) has been widely used in traditional Chinese medicine. Polymethoxylated flavonoids (PMFs), which are a special group of flavonoids with strong antitumor activity, are broadly distributed in citrus peels. However, systematic investigation of antitumor PMFs in CRPV has received little attention to date. OBJECTIVES An MCF-7 cell biospecific extraction method integrated with neutral loss/diagnostic ion filtering-based HPLC-QTOF-MS/MS strategy was developed for rapid and specific profiling of antitumor PMFs and systematic identification of PMFs in CRPV. METHODOLOGY By incubating MCF-7 cells with CRPV extract, potential antitumor PMFs specifically bound to cells and were isolated. Then, by systematic investigation of fragmentation pathways, neutral loss and diagnostic ion filtering strategies were proposed to comprehensively and accurately identify PMFs. RESULTS Sixteen antitumor PMFs were unambiguously or tentatively identified. Among them, minor compound 15 (5-hydroxy-6,7,8,3',4'-pentamethoxyflavone with a free hydroxyl group at C-5) exhibited excellent antitumor activity, with an IC50 value of 2.81 ± 0.76 μg/mL, which is lower than that of 5-fluorouracil (IC50 , 4.92 ± 0.83 μg/mL). Nobiletin (12) and tangeretin (16), two major PMFs, presented moderate antitumor activities with IC50 values of 13.06 ± 1.85 and 17.07 ± 1.18 μg/mL, respectively, and their contents were sensitively and precisely determined. CONCLUSIONS To the best of our knowledge, this is the first report on the systematic investigation of antitumor PMFs in CRPV. The study will lay a foundation for the quality control and clinical application of CRPV.
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Affiliation(s)
- Li Cheng
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine under Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
- College of Chemistry and Chemical Engineering, Central South University, Changsha, China
| | - Fang Wang
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine under Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Yuanxin Cao
- Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, China
| | - Chaoying Tong
- College of Chemistry and Chemical Engineering, Central South University, Changsha, China
| | - Qisheng Wei
- Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, China
| | - Shuyun Shi
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine under Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
- College of Chemistry and Chemical Engineering, Central South University, Changsha, China
- Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, China
| | - Ying Guo
- Department of Clinical Pharmacology, and National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Hunan Key Laboratory of Pharmacogenetics, Central South University, Hunan, Changsha, China
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Cheng L, Wang F, Cao Y, Cai G, Wei Q, Shi S, Guo Y. Screening of potent α-glucosidase inhibitory and antioxidant polyphenols in Prunella vulgaris L. by bioreaction-HPLC-quadrupole-time-of-flight-MS/MS and in silico analysis. J Sep Sci 2022; 45:3393-3403. [PMID: 35819998 DOI: 10.1002/jssc.202200374] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/04/2022] [Accepted: 07/08/2022] [Indexed: 11/11/2022]
Abstract
Prunella vulgaris L. is a well-known traditional Chinese medicine for blood glucose homeostasis and antioxidant potential. Ethyl acetate fraction of P. vulgaris L. demonstrated higher phenolic content (85.53 ± 6.74 mg gallic acid equivalents per gram dry weight), α-glucosidase inhibitory (IC50 , 69.13 ± 2.86 μg/mL), and antioxidant (IC50 , 8.68 ± 1.01 μg/mL) activities. However, the bioactive polyphenols responsible for the beneficial properties remain unclear. Here, bioreaction-HPLC-quadrupole-time-of-flight-MS/MS method was developed for rapid, accurate, and efficient screening and identification of polyphenols with α-glucosidase inhibitory and antioxidant activities from P. vulgaris L. Bioactive polyphenols can specifically bind with α-glucosidase or react with 1,1-diphenyl-2-picryl-hydrazyl radical, which was easily discriminated from nonactive compounds. Subsequently, twenty bioactive polyphenols (sixteen phenyl propionic acid derivatives and four flavonoids) were screened and identified. Furthermore, molecular docking analysis revealed that screened twenty polyphenols bind with the active sites of α-glucosidase through hydrogen bonding and π-π stacking. Density functional theory calculations demonstrated their electron transport ability and chemical reactivity. The in silico analysis confirmed the screened results. In summary, this study provided a valuable strategy for rapid discovering bioactive compounds from complex natural products, and offered scientific evidence for further development and application of P. vulgaris L. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Li Cheng
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine under Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, P. R. China.,College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China
| | - Fang Wang
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine under Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, P. R. China
| | - Yuanxin Cao
- Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
| | - Guihan Cai
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China
| | - Qisheng Wei
- Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
| | - Shuyun Shi
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine under Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, P. R. China.,College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China.,Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
| | - Ying Guo
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410078, China
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Cosmeceutical Potential of Major Tropical and Subtropical Fruit By-Products for a Sustainable Revalorization. Antioxidants (Basel) 2022; 11:antiox11020203. [PMID: 35204085 PMCID: PMC8868306 DOI: 10.3390/antiox11020203] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/11/2022] [Accepted: 01/18/2022] [Indexed: 12/10/2022] Open
Abstract
The increasing production of tropical fruits followed by their processing results in tons of waste, such as skins or seeds. However, these by-products have been reported to be rich in bioactive compounds (BACs) with excellent properties of interest in the cosmeceutical industry: antioxidant, anti-aging, anti-inflammatory, antimicrobial and photoprotective properties. This review summarizes the tropical fruits most produced worldwide, their bioactive composition and the most important and studied therapeutic properties that their by-products can contribute to skin health, as well as the different approaches for obtaining these compounds using techniques by conventional (Soxhlet, liquid-liquid extraction or maceration) and non-conventional extractions (supercritical fluid extraction (SFE), ultrasound-assisted extraction (UAE), microwave-assisted extraction (MAE), pressurized liquid extraction (PLE) and two-phase aqueous system), followed by their identification by HPLC-MS or GC-MS analysis. Moreover, this work encompasses several studies that may prove the effects of seeds and skins from tropical fruits against oxidative stress, hyperpigmentation, acne, aging or UV radiation. Therefore, the investigation of functional components present in tropical fruit by-products under a circular bioeconomy model could be of great interest for the cosmeceutical industry and a very promising option for obtaining new cosmeceutical formulations.
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Oliver-Simancas R, Labrador-Fernández L, Díaz-Maroto MC, Pérez-Coello MS, Alañón ME. Comprehensive research on mango by-products applications in food industry. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.09.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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12
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The synthesis of novel piperazine-benzodioxole substituted phthalocyanines and investigation of their α-amylase and tyrosinase inhibition properties. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.122012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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13
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Zhang XW, Bian GL, Kang PY, Cheng XJ, Yan K, Liu YL, Gao YX, Li DQ. Recent advance in the discovery of tyrosinase inhibitors from natural sources via separation methods. J Enzyme Inhib Med Chem 2021; 36:2104-2117. [PMID: 34579614 PMCID: PMC8480707 DOI: 10.1080/14756366.2021.1983559] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
Tyrosinase (TYR) inhibitors are in great demand in the food, cosmetic and medical industrials due to their important roles. Therefore, the discovery of high-quality TYR inhibitors is always pursued. Natural products as one of the most important sources of bioactive compounds discovery have been increasingly used for TYR inhibitors screening. However, due to their complex compositions, it is still a great challenge to rapid screening and identification of biologically active components from them. In recent years, with the help of separation technologies and the affinity and intrinsic activity of target enzymes, two advanced approaches including affinity screening and inhibition profiling showed great promises for a successful screening of bioactive compounds from natural sources. This review summarises the recent progress of separation-based methods for TYR inhibitors screening, with an emphasis on the principle, application, advantage, and drawback of each method along with perspectives in the future development of these screening techniques and screened hit compounds.
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Affiliation(s)
- Xiao-Wei Zhang
- Department of Neurological Surgery, the Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Guang-Li Bian
- Department of Pharmacy, the Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Pei-Ying Kang
- Department of Clinical Laboratory, the Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xin-Jie Cheng
- Department of Pharmacy, the Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Kai Yan
- Institute for Drug Control of Hebei Province, Shijiazhuang, China
| | - Yong-Li Liu
- Institute for Drug Control of Hebei Province, Shijiazhuang, China
| | - Yan-Xia Gao
- Institute for Drug Control of Hebei Province, Shijiazhuang, China
| | - De-Qiang Li
- Department of Pharmacy, the Second Hospital of Hebei Medical University, Shijiazhuang, China
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14
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Yu Q, Fan L. Antityrosinase and antioxidant activity of asparagus and its inhibition on B16F10 melanoma cells before and after hydrothermal treatment. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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15
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Shi F, Tong C, He C, Shi S, Cao Y, Wei Q. Diagnostic ion filtering targeted screening and isolation of anti-inflammatory iridoid glycosides from Hedyotis diffusa. J Sep Sci 2021; 44:2612-2619. [PMID: 33884739 DOI: 10.1002/jssc.202100074] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 04/03/2021] [Accepted: 04/18/2021] [Indexed: 11/07/2022]
Abstract
Efficient and targeted screening and isolation of bioactive compounds from complex natural products is still a challenging work. Herein, diagnostic ion filtering based high-performance liquid chromatography-quadrupole time-of-flight-tandem mass spectrometry was firstly developed to screen six main iridoid glycosides from Hedyotis diffusa. Then, online extraction-high-speed counter current chromatography was proposed for targeted enrichment and preparative isolation using ethyl acetate/n-butanol/water (4.5:0.5:5, v/v/v) as solvent system. After that, Sephadex LH-20 column chromatography using methanol as solvent system was selected for further purification of six iridoid glycosides with purities over 98%. They were finally identified as monotropein, desacetylasperuloside acid, asperuloside, 6-O-(Z)-p-coumaroyl scandoside methyl ester, 6-O-(Z)-feruloyl scandoside methyl ester, and 6-O-(E)-p-coumaroyl scandoside methyl ester. And their anti-inflammatory activities were evaluated and confirmed by lipopolysaccharide activated RAW 264.7 macrophages. Obviously, the results provide a scientific basis for the potential applications of H. diffusa, and the developed methodology is efficient and reliable for targeted screening and isolation of bioactive compounds from natural products.
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Affiliation(s)
- Fangying Shi
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China.,Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
| | - Chaoying Tong
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China
| | - Chengxin He
- Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
| | - Shuyun Shi
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P. R. China.,Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
| | - Yuanxin Cao
- Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
| | - Qisheng Wei
- Natural Product Research Laboratory, Guangxi Baise High-tech Development Zone, Baise, 533612, P. R. China
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16
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Feng YX, Wang ZC, Chen JX, Li HR, Wang YB, Ren DF, Lu J. Separation, identification, and molecular docking of tyrosinase inhibitory peptides from the hydrolysates of defatted walnut (Juglans regia L.) meal. Food Chem 2021; 353:129471. [PMID: 33730668 DOI: 10.1016/j.foodchem.2021.129471] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 02/22/2021] [Accepted: 02/22/2021] [Indexed: 12/29/2022]
Abstract
Defatted walnut meal protein was hydrolyzed using alcalase to yield tyrosinase inhibitory peptides. After separation by ultrafiltration and Sephadex G-25, the fraction with the highest tyrosinase inhibitory activity was identified using liquid chromatography-tandem mass spectrometry and 606 peptides were obtained. Then, molecular docking was used to screen for tyrosinase inhibitory peptides and to clarify the theoretical interaction mechanism between the peptides and tyrosinase. A peptide with the sequence Phe-Pro-Tyr (FPY, MW: 425.2 Da) was identified and the synthesized peptide inhibited tyrosine monophenolase and diphenolase with IC50 values of 1.11 ± 0.05 and 3.22 ± 0.09 mM, respectively. The inhibition of tyrosinase by FPY was competitive and reversible. Good stability of FPY toward digestion was observed in an in vitro gastrointestinal digestion simulation experiment. These results indicated that FPY can be used as a potential tyrosinase inhibitor in the food, medicine, and cosmetics industries.
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Affiliation(s)
- Yan-Xia Feng
- Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, People's Republic of China
| | - Zi-Chun Wang
- Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, People's Republic of China
| | - Jia-Xin Chen
- Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, People's Republic of China
| | - Hai-Rong Li
- Hebei Huang Jin Long Agricultural Technology Co. LTD, (Heibei province, She County), People's Republic of China
| | - Yan-Bing Wang
- Hebei Huang Jin Long Agricultural Technology Co. LTD, (Heibei province, She County), People's Republic of China
| | - Di-Feng Ren
- Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, People's Republic of China.
| | - Jun Lu
- Beijing Engineering Research Center of Protein & Functional Peptides, China National Research Institute of Food & Fermentation Industries, Beijing 100015, People's Republic of China.
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17
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Rapid and comprehensive profiling of α-glucosidase inhibitors in Buddleja Flos by ultrafiltration HPLC-QTOF-MS/MS with diagnostic ions filtering strategy. Food Chem 2020; 344:128651. [PMID: 33243557 DOI: 10.1016/j.foodchem.2020.128651] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 11/12/2020] [Accepted: 11/12/2020] [Indexed: 12/29/2022]
Abstract
Buddleja Flos is used as yellow rice colorant and a well-known traditional Chinese medicine. But its biochemical profiling is still lack due to complex matrix. Here, ultrafiltration high-performance liquid chromatograph-quadrupole time-of-flight tandem mass spectrometry (HPLC-QTOF-MS/MS) with diagnostic ions filtering strategy was proposed for rapid and comprehensive investigation of its α-glucosidase inhibitors. As a result, 33 bioactive compounds (13 phenylethanoid glycosides and 20 flavonoids) were successfully screened and identified. In addition, α-glucosidase inhibitory activities of twenty-two references were verified. Six flavonoid aglycones (4, 28, and 30-33) showed excellent α-glucosidase inhibitory activities (IC50, from 5.11 ± 0.85 to 32.49 ± 9.76 μg/mL), much higher than that of acarbose (IC50, 195.49 ± 10.05 μg/mL). Five flavonoid-monoglycosides (7, 12, 13, 20, and 22) presented moderate inhibitory activities with IC50 from 160.98 ± 23.19 to 249.37 ± 35.83 μg/mL. Results showcased the high efficiency of proposed strategy in profiling of bioactive compounds from natural products.
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18
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Liang X, Hu Y, Li J, Chang AK, Tao X, Li Y, Liu W, Pi K, Yuan J, Jiang Z. Identification and Pharmacokinetics of Quinone Reductase 2 Inhibitors after Oral Administration of Garcinia mangostana L. Extract in Rat by LC-MS/MS. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:11975-11986. [PMID: 33054205 DOI: 10.1021/acs.jafc.0c04439] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Garcinia mangostana L. (mangosteen) is a famous tropical fruit that contains a large number of xanthones. Regular consumption of mangosteen may confer health benefits and prevent some diseases, such as malaria. Quinone reductase 2 (QR-2) is a cytosolic enzyme found in human red blood cells, and it is becoming a target for chemoprevention because it is involved in the mechanisms of several diseases, including malaria. To understand whether the xanthones present in mangosteen might inhibit the activity of QR-2, blood samples were collected from rat following the oral administration of mangosteen extract and then incubated with QR-2 followed by UF-HPLC-QTOF/MS analysis to rapidly screen for and identify the QR-2-inhibiting xanthones. A total of 16 xanthones were identified, and six of these (α-mangostin, γ-mangostin, 8-deoxyartanin, 1,3,7-trihydroxy-2,8-di(3-methylbut-2-enyl)xanthone, garcinone E, and 9-hydroxycalabaxanthone) were subjected to QR-2 inhibition assay. γ-Mangostin exhibited the strongest inhibition, achieving an IC50 value of 3.82 ± 0.51 μM. Its interaction with QR-2 was found to involve hydrogen bond and arene-arene interaction as revealed by molecular docking. The present study could provide new insight into the potential application of mangosteen as functional food ingredients for inhibiting the activity of QR-2. However, the extent of daily intake of mangosteen required and the exact contribution of mangosteen to the prevention and treatment of malaria remain subjects of further study.
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Affiliation(s)
- Xiao Liang
- College of Pharmacy, Liaoning University, 66 Chongshan Road, Shenyang 110036, Liaoning, People's Republic of China
- Academy of Forensic Science, Liaoning University, 66 Chongshan Road, Shenyang 110036, Liaoning, People's Republic of China
| | - Yu Hu
- College of Pharmacy, Liaoning University, 66 Chongshan Road, Shenyang 110036, Liaoning, People's Republic of China
| | - Jianxin Li
- College of Pharmacy, Liaoning University, 66 Chongshan Road, Shenyang 110036, Liaoning, People's Republic of China
| | - Alan K Chang
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou 325035, Zhejiang, People's Republic of China
| | - Xia Tao
- College of Pharmacy, Liaoning University, 66 Chongshan Road, Shenyang 110036, Liaoning, People's Republic of China
| | - Yanan Li
- College of Pharmacy, Liaoning University, 66 Chongshan Road, Shenyang 110036, Liaoning, People's Republic of China
| | - Wenbao Liu
- College of Pharmacy, Liaoning University, 66 Chongshan Road, Shenyang 110036, Liaoning, People's Republic of China
| | - Kexin Pi
- College of Pharmacy, Liaoning University, 66 Chongshan Road, Shenyang 110036, Liaoning, People's Republic of China
| | - Jie Yuan
- Department of Analytical Chemistry, College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, People's Republic of China
| | - Zhen Jiang
- Department of Analytical Chemistry, College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, Liaoning, People's Republic of China
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19
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Yin SJ, Zhao J, Yang FQ. Recent applications of magnetic solid phase extraction in sample preparation for phytochemical analysis. J Pharm Biomed Anal 2020; 192:113675. [PMID: 33099113 DOI: 10.1016/j.jpba.2020.113675] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 09/01/2020] [Accepted: 10/03/2020] [Indexed: 12/22/2022]
Abstract
Sample preparation such as isolation and pre-concentration is a crucial step for the phytochemical analysis. Magnetic solid-phase extraction (MSPE) has received considerable attention, mainly due to its phase separation more conveniently by facile magnetic decantation as compared to traditional SPE. This review focused on the recent applications of MSPE in sample preparation for the analysis of phytochemical compounds in plants, biological samples and Chinese herbal preparations. In addition, the enzymes immobilized on the magnetic materials and used for the biospecific extraction of enzyme inhibitors were also discussed. The information summarized in this article may provide a reference to the further applications of MSPE in phytochemical analysis.
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Affiliation(s)
- Shi-Jun Yin
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, PR China
| | - Jing Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, PR China.
| | - Feng-Qing Yang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, PR China.
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20
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Wu L, Wu W, Cai Y, Li C, Wang L. HPLC fingerprinting-based multivariate analysis of phenolic compounds in mango leaves varieties: Correlation to their antioxidant activity and in silico α-glucoidase inhibitory ability. J Pharm Biomed Anal 2020; 191:113616. [PMID: 32942107 DOI: 10.1016/j.jpba.2020.113616] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 01/01/2023]
Abstract
Mango leaves (MLs) have many important medical values owing to its high contents of phytochemical compounds. Among them, phenolic compounds existing in MLs showed multiple pharmacological activities. However, there is a little information about the quality evaluation and discrimination of different varieties of MLs. In the present study, the chemical compositions of MLs were identified by using high performance liquid chromatography coupled with electrospray ionization-quadrupole-time of flight-mass spectrometry (HPLC-ESI-qTOF-MS/MS). Then, the quality of ten MLs varieties collected from a same plantation was assessed according to integrated HPLC fingerprinting coupled with multivariate analysis. The results revealed that Cui Yu (S5) showed the highest TPC/TFC and the strongest bio-activity, followed by Tai Long (S7) and Hong Bao Shi (S3). Among different HPLC fingerprinting, twenty compounds were selected as common characteristic peaks, and the similarity was within the range of 0.792-0.995. Meanwhile, these varieties were divided into three groups: G1 (S3, S5, S7, and S10), G2 (S1 and S4) and G3 (S2, S6, S8, and S9). Two discriminant functions with the discriminant rate near 100 % were constructed. Additionally, neomangiferin, mangiferin, kaempferol-3-O-rutinoside, isoquercitrin and quercetin were found to be the key compounds in quality evaluation of MLs varieties. Pearson correlation coefficient analysis results confirmed that these key compounds directly contributed to the antioxidant activity and α-glucosidase inhibitory ability of MLs. Importantly, the possible inhibitory mechanisms of these key compounds against α-glucosidase were preliminary clarified by in silico analysis, and the analysis results provide a theoretical basis for future development and utilization of mango leaves byproducts.
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Affiliation(s)
- Lingfeng Wu
- College of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Wenhui Wu
- College of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Yanzi Cai
- College of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Congfa Li
- College of Food Science and Engineering, Hainan University, Haikou 570228, PR China; Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou 570228, PR China
| | - Lu Wang
- College of Food Science and Engineering, Hainan University, Haikou 570228, PR China; Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou 570228, PR China; Hainan Huachuang Areca Research Institute, Haikou, 570125, PR China.
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21
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Wu L, Long R, Li T, Tang C, Tong X, Guo Y, Shi S, Xiang H, Tong C. One-pot fabrication of dual-emission and single-emission biomass carbon dots for Cu 2+ and tetracycline sensing and multicolor cellular imaging. Anal Bioanal Chem 2020; 412:7481-7489. [PMID: 32833074 DOI: 10.1007/s00216-020-02882-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/06/2020] [Accepted: 08/13/2020] [Indexed: 01/09/2023]
Abstract
Dual-emission and single-emission carbon dots (DCDs and SCDs) have been simultaneously synthesized by one-pot solvothermal treatment of leek. Different graphitization and surface functionalization were responsible for their distinction in fluorescence characteristics. DCDs with an average size of 5.6 nm exhibited two emissions at 489 and 676 nm under 420-nm excitation. Complexation between DCDs' surface porphyrins and Cu2+ led to quenching of the 676-nm emission, which resulted in the ratiometric determination of Cu2+ with a limit of detection (LOD) of 0.085 μM. SCDs, containing additional sulfur element (0.50%) with an average size of 7.7 nm, presented a single emission at 440 nm under 365-nm excitation. The static quenching and inner filter effects between SCDs and tetracyclines (TCs) made SCDs a fluorescence nanoprobe for TCs' determination with LODs of 0.26-0.48 μM. Applications of DCDs and SCDs for respective determination of Cu2+ and TCs in milk and pig liver samples were successfully demonstrated. Moreover, good photostability, low toxicity, and outstanding biocompatibility made DCDs and SCDs suitable for multicolor cellular imaging. Results indicate that natural products are excellent raw materials to controllably synthesize CDs with prominent physicochemical and fluorescence properties.Graphical abstract.
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Affiliation(s)
- Lihui Wu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Ruiqing Long
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Te Li
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Cui Tang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China.,Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, 410078, Hunan, China
| | - Xia Tong
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China
| | - Ying Guo
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China. .,Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, 410078, Hunan, China.
| | - Shuyun Shi
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China.
| | - Haiyan Xiang
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China.
| | - Chaoying Tong
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, Hunan, China
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22
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Deng X, Xu J, Tong C, Shi F, Shi S. Homoisoflavonoids profiling of Ophiopogon japonicus by off-line coupling high-speed countercurrent chromatography with high-performance liquid chromatography-diode array detector-quadrupole time-of-flight tandem mass spectrometry. J Sep Sci 2020; 43:1406-1414. [PMID: 31999027 DOI: 10.1002/jssc.201901222] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 01/14/2020] [Accepted: 01/20/2020] [Indexed: 12/26/2022]
Abstract
Roots of Ophiopogon japonicus have been used as a functional food ingredient and traditional Chinese medicine for a long time in China. Homoisoflavonoids are one of the major kinds of bioactive compounds in O. japonicus; however, literature data about its homoisoflavonoids profile are scarce because of the complex ingredients with low abundance. Here, homoisoflavonoid fraction was prepared by petroleum ether extraction. Then, a high-speed countercurrent chromatography off-line coupling with high-performance liquid chromatography-diode array detector-quadrupole time-of-flight tandem mass spectrometry was developed for systematic identification of homoisoflavonoids. After that, 39 homoisoflavonoids, including 29 homoisoflavanone and 10 homoisoflavone, were unambiguously or tentatively identified, while 12 of them were reported in O. japonicus for the first time. Finally, eight available homoisoflavonoids were sensitively, precisely, and accurately determined by standard calibration curves, with limit of detection and limit of quantification in the range of 0.05-0.30 μg/mL and 0.12-0.66 μg/mL, relative standard deviation less than 7.3% for intra- and interday variations, and recovery at 94.5-105.2%. Collectively, our developed method is efficient, reliable, and valuable to profile chemical components of complex natural products.
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Affiliation(s)
- Xu Deng
- Department of Cardiology, The Third Xiangya Hospital, Central South University, Changsha, P. R. China
| | - Jinju Xu
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Chaoying Tong
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Fangying Shi
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Shuyun Shi
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
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