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Zhang J, Tian H, Lin T, Huang X, Liu H. Traceability Research on Geographic Erigeron breviscapus Based on High-Resolution Mass Spectrometry and Chemometric Analysis. Molecules 2024; 29:2930. [PMID: 38930993 PMCID: PMC11206744 DOI: 10.3390/molecules29122930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 06/03/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024] Open
Abstract
A method was developed to identify and trace the geographic sources of Erigeron breviscapus using high-resolution mass spectrometry and chemometrics. The representative samples were collected from the geographic area of Honghe Dengzhanhua and other areas in Yunnan province and Guizhou province. The data points could be determined well using the PCA and PLS-DA diagram. A total of 46 characteristic compounds were identified from Honghe Dengzhanhua and within Guizhou province, but 37 compounds were different from Honghe Dengzhanhua and other counties in Yunnan province. Two biomarkers were found from three regions. Their structures were inferred as 8-amino-7-oxononanoic acid and 8-hydroxyquinoline, and they had the same molecular composition. This may suggest that a possible synthesis pathway can be proven in the future.
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Affiliation(s)
- Jiao Zhang
- Institute of Quality Standards and Testing Technology, Yunnan Academy of Agricultural Sciences, Agricultural Product Quality Supervision and Inspection Center, Ministry of Agriculture, Kunming 650223, China; (J.Z.); (H.T.); (T.L.)
- Key Laboratory of Ethnomedicinal Resource Chemistry, Yunnan University for Nationalities, Kunming 650500, China;
| | - Heng Tian
- Institute of Quality Standards and Testing Technology, Yunnan Academy of Agricultural Sciences, Agricultural Product Quality Supervision and Inspection Center, Ministry of Agriculture, Kunming 650223, China; (J.Z.); (H.T.); (T.L.)
- The Yunnan Provincial Key Lab of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, China
- International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China
| | - Tao Lin
- Institute of Quality Standards and Testing Technology, Yunnan Academy of Agricultural Sciences, Agricultural Product Quality Supervision and Inspection Center, Ministry of Agriculture, Kunming 650223, China; (J.Z.); (H.T.); (T.L.)
| | - Xiangzhong Huang
- Key Laboratory of Ethnomedicinal Resource Chemistry, Yunnan University for Nationalities, Kunming 650500, China;
| | - Hongcheng Liu
- Institute of Quality Standards and Testing Technology, Yunnan Academy of Agricultural Sciences, Agricultural Product Quality Supervision and Inspection Center, Ministry of Agriculture, Kunming 650223, China; (J.Z.); (H.T.); (T.L.)
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Thembane N, Hlatshwayo S, Ngcobo M, Ngubane P, Gqaleni N. Review on the Anti-Hyperglycemic Potential of Psidium guajava and Seriphium plumosum L. PLANTS (BASEL, SWITZERLAND) 2024; 13:1608. [PMID: 38931040 PMCID: PMC11207340 DOI: 10.3390/plants13121608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024]
Abstract
The treatment and management of diabetes mellitus (DM) with conventional therapies, such as insulin injections and oral hypoglycemic agents, present significant challenges due to their side effects and burdensome administration. Therapies often manage symptoms rather than addressing insulin regulation, akin to medications like thiazolidinediones and glinides, which resemble many medicinal plants. Medicinal plants offer potential alternative treatments due to bioactive compounds targeting diabetes causes. We aimed to explore the antidiabetic potential of two medicinal plants, Psidium guajava and Seriphium plumosum L., by investigating their phytochemical constituents, medicinal uses, pharmacological actions, and mechanisms. This review followed specific guidelines and searched databases including PubMed, Scopus, ScienceDirect, and Web of Science for studies on medicinal plants and DM. Eligible studies underwent quality assessment and were categorized based on their design and interventions for data synthesis. This review identified the phytochemical constituents in Psidium guajava and Seriphium plumosum L., including tannins, flavonoids, phenols, and steroids, exerting antidiabetic effects through various mechanisms like antioxidant activity, anti-inflammatory effects, stimulation of insulin secretion, glucose regulation, and inhibition of carbohydrate-digesting enzymes. Psidium guajava and Seriphium plumosum L. exhibit promising antidiabetic potential, offering alternative approaches to diabetes management. Polyherbalism, combining multiple plant extracts, may enhance therapeutic efficacy in diabetes treatment. Comprehensive research is needed to explore the combined therapeutic effects of these plants and develop more effective antidiabetic treatments. This review highlights the importance of harnessing natural resources to combat the global burden of DM. Further research is warranted to fully explore the combined therapeutic effects of these plants and develop novel treatments.
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Affiliation(s)
- Nokukhanya Thembane
- Department of Biomedical Sciences, Mangosuthu University of Technology, Durban 4026, South Africa
- Traditional Medicine Laboratory, University of KwaZulu-Natal, Durban 4041, South Africa (M.N.); (N.G.)
| | - Sphamandla Hlatshwayo
- Traditional Medicine Laboratory, University of KwaZulu-Natal, Durban 4041, South Africa (M.N.); (N.G.)
| | - Mlungisi Ngcobo
- Traditional Medicine Laboratory, University of KwaZulu-Natal, Durban 4041, South Africa (M.N.); (N.G.)
| | - Phikelelani Ngubane
- Discipline of Medical Microbiology, University of KwaZulu-Natal, Durban 4041, South Africa;
| | - Nceba Gqaleni
- Traditional Medicine Laboratory, University of KwaZulu-Natal, Durban 4041, South Africa (M.N.); (N.G.)
- Africa Health Research Institute, Durban 4013, South Africa
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3
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Gutierrez-Montiel D, Guerrero-Barrera AL, Chávez-Vela NA, Avelar-Gonzalez FJ, Ornelas-García IG. Psidium guajava L .: From byproduct and use in traditional Mexican medicine to antimicrobial agent. Front Nutr 2023; 10:1108306. [PMID: 36761221 PMCID: PMC9902774 DOI: 10.3389/fnut.2023.1108306] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 01/02/2023] [Indexed: 01/26/2023] Open
Abstract
Mexico is one of the largest guava producers in the world, so it has access to a huge amount of waste and byproducts obtained after the industrial processing of the fruit. This review discusses the potential recovery of this residue for its application as an antimicrobial agent, considering the phytochemical composition, the bioactivity reported in-vivo and in-vitro, and the toxicology of the plant. Nowadays there is a growing demand for more natural and safer products, so the use of guava extracts is an interesting initiative, especially due to its availability in the country, its wide variety of traditional uses, and its phytochemical profile. This review highlights the importance and potential antimicrobial use of this plant in today's world.
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Affiliation(s)
- Daniela Gutierrez-Montiel
- Laboratorio de Biología Celular y Tisular, Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Alma L. Guerrero-Barrera
- Laboratorio de Biología Celular y Tisular, Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico,*Correspondence: Alma L. Guerrero-Barrera ✉
| | - Norma A. Chávez-Vela
- Laboratorio de Biotecnología, Departamento Ingeniería Bioquímica, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Francisco J. Avelar-Gonzalez
- Laboratorio de Estudios Ambientales, Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Ingrid G. Ornelas-García
- Laboratorio de Biología Celular y Tisular, Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
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4
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Chu S, Zhang F, Wang H, Xie L, Chen Z, Zeng W, Zhou Z, Hu F. Aqueous Extract of Guava ( Psidium guajava L.) Leaf Ameliorates Hyperglycemia by Promoting Hepatic Glycogen Synthesis and Modulating Gut Microbiota. Front Pharmacol 2022; 13:907702. [PMID: 35721172 PMCID: PMC9198539 DOI: 10.3389/fphar.2022.907702] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/17/2022] [Indexed: 12/18/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a major global health concern. Psidium guajava L. (guava) is widely used for food as well as a folk medicine. Previous studies have shown its anti-diabetic and anti-inflammatory properties. However, the underlying mechanisms remains to be elusive. In this study, we assessed the potential therapeutic effects of aqueous extract of guava leaves (GvAEx) on T2DM and explored their potential mechanisms in vivo and in vitro. GvAEx was gavage administered for 12 weeks in diabetic db/db mice. Our results have demonstrated that GvAEx significantly lowered fasting plasma glucose levels (p < 0.01) and improved glucose tolerance and insulin sensitivity (p < 0.01, p < 0.05, respectively). Additionally, GvAEx increased hepatic glycogen accumulation, glucose uptake and decreased the mRNA expression levels of gluconeogenic genes. Furthermore, GvAEx-treatment caused higher glucose transporter 2 (GLUT2) expression in the membrane in hepatocytes. Notably, for the first time, we have elaborated the possible mechanism of the hypoglycemic effect of GvAEx from the perspective of intestinal microbiota. GvAEx has significantly changed the composition of microbiota and increased short chain fatty acid (SCFA) -producing Lachnospiraceae family and Akkermansia genus in the gut. Taken together, GvAEx could alleviate hyperglycemia and insulin resistance of T2DM by regulating glucose metabolism in the liver and restoring the gut microbiota. Thus, GvAEx has the potential for drug development against T2DM.
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Affiliation(s)
- Shuzhou Chu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, Metabolic Syndrome Research Center, Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Feng Zhang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, Metabolic Syndrome Research Center, Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Huiying Wang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, Metabolic Syndrome Research Center, Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Lijun Xie
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, Metabolic Syndrome Research Center, Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Zhinan Chen
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, Metabolic Syndrome Research Center, Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Weimin Zeng
- Key Laboratory of Biometallurgy, School of Minerals Processing and Bioengineering, Ministry of Education, Central South University, Changsha, China
| | - Zhiguang Zhou
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, Metabolic Syndrome Research Center, Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Fang Hu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, Metabolic Syndrome Research Center, Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
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Fujimura Y, Watanabe M, Morikawa-Ichinose T, Fujino K, Yamamoto M, Nishioka S, Inoue C, Ogawa F, Yonekura M, Nakasone A, Kumazoe M, Tachibana H. Metabolic Profiling for Evaluating the Dipeptidyl Peptidase-IV Inhibitory Potency of Diverse Green Tea Cultivars and Determining Bioactivity-Related Ingredients and Combinations. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6455-6466. [PMID: 35543229 DOI: 10.1021/acs.jafc.2c01693] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
There are numerous cultivars of tea (Camellia sinensis L.), but the differences in their anti-hyperglycemic-related effects are largely unknown. The inhibition of the dipeptidyl peptidase (DPP)-IV enzyme plays an essential role in controlling hyperglycemia in diabetes by blocking the degradation of incretin hormones, which is necessary for insulin secretion. In this study, we examined the DPP-IV inhibitory activity of leaf extracts from diverse Japanese green tea cultivars. The inhibitory rates differed among tea extracts. Metabolic profiling (MP), using liquid chromatography-mass spectrometry, of all cultivars revealed compositional differences among cultivars according to their DPP-IV inhibitory capacity. Epigallocatechin-3-O-(3-O-methyl)gallate, kaempferol-3-O-rutinoside, myricetin-3-O-glucoside/galactoside, and theogallin were newly identified as DPP-IV inhibitors. The bioactivity of a tea extract was potentiated by adding these ingredients in combination. Our results show that MP is a useful approach for evaluating the DPP-IV inhibitory potency of green tea and for determining bioactivity-related ingredients and combinations.
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Affiliation(s)
- Yoshinori Fujimura
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Mototsugu Watanabe
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Tomomi Morikawa-Ichinose
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Konatsu Fujino
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Mao Yamamoto
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Seita Nishioka
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Chihiro Inoue
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Fumiyo Ogawa
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Madoka Yonekura
- Agriculture and Biotechnology Business Division, Toyota Motor Corporation, Toyota-shi, Aichi 471-8571, Japan
| | - Akari Nakasone
- Agriculture and Biotechnology Business Division, Toyota Motor Corporation, Toyota-shi, Aichi 471-8571, Japan
| | - Motofumi Kumazoe
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Hirofumi Tachibana
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
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Méril-Mamert V, Ponce-Mora A, Sylvestre M, Lawrence G, Bejarano E, Cebrián-Torrejón G. Antidiabetic Potential of Plants from the Caribbean Basin. PLANTS 2022; 11:plants11101360. [PMID: 35631785 PMCID: PMC9146409 DOI: 10.3390/plants11101360] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/18/2022] [Accepted: 04/20/2022] [Indexed: 12/27/2022]
Abstract
Diabetes mellitus (DM) is a group of metabolic disorders characterized by hyperglycemia, insulin insufficiency or insulin resistance, and many issues, including vascular complications, glycative stress and lipid metabolism dysregulation. Natural products from plants with antihyperglycemic, hypolipidemic, pancreatic protective, antioxidative, and insulin-like properties complement conventional treatments. Throughout this review, we summarize the current status of knowledge of plants from the Caribbean basin traditionally used to manage DM and treat its sequelae. Seven plants were chosen due to their use in Caribbean folk medicine. We summarize the antidiabetic properties of each species, exploring the pharmacological mechanisms related to their antidiabetic effect reported in vitro and in vivo. We propose the Caribbean flora as a source of innovative bioactive phytocompounds to treat and prevent DM and DM-associated complications.
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Affiliation(s)
- Vanessa Méril-Mamert
- Laboratoire COVACHIM-M2E EA 3592, Université des Antilles, CEDEX, 97157 Pointe-à-Pitre, France; (V.M.-M.); (M.S.); (G.L.)
| | - Alejandro Ponce-Mora
- Department of Biomedical Sciences, School of Health Sciences and Veterinary, Universidad Cardenal Herrera-CEU, CEU Universities, 46113 Moncada, Spain;
| | - Muriel Sylvestre
- Laboratoire COVACHIM-M2E EA 3592, Université des Antilles, CEDEX, 97157 Pointe-à-Pitre, France; (V.M.-M.); (M.S.); (G.L.)
| | - Genica Lawrence
- Laboratoire COVACHIM-M2E EA 3592, Université des Antilles, CEDEX, 97157 Pointe-à-Pitre, France; (V.M.-M.); (M.S.); (G.L.)
| | - Eloy Bejarano
- Department of Biomedical Sciences, School of Health Sciences and Veterinary, Universidad Cardenal Herrera-CEU, CEU Universities, 46113 Moncada, Spain;
- Correspondence: (E.B.); (G.C.-T.); Tel.: +96-136-90-00 (ext. 64541) (E.B.); +96-136-90-00 (ext. 64315) (G.C.-T.)
| | - Gerardo Cebrián-Torrejón
- Laboratoire COVACHIM-M2E EA 3592, Université des Antilles, CEDEX, 97157 Pointe-à-Pitre, France; (V.M.-M.); (M.S.); (G.L.)
- Correspondence: (E.B.); (G.C.-T.); Tel.: +96-136-90-00 (ext. 64541) (E.B.); +96-136-90-00 (ext. 64315) (G.C.-T.)
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7
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Amadike Ugbogu E, Emmanuel O, Ebubechi Uche M, Dike Dike E, Chukwuebuka Okoro B, Ibe C, Chibueze Ude V, Nwabu Ekweogu C, Chinyere Ugbogu O. The ethnobotanical, phytochemistry and pharmacological activities of Psidium guajava L. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103759] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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8
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Cattivelli A, Conte A, Martini S, Tagliazucchi D. Cooking and In Vitro Digestion Modulate the Anti-Diabetic Properties of Red-Skinned Onion and Dark Purple Eggplant Phenolic Compounds. Foods 2022; 11:689. [PMID: 35267322 PMCID: PMC8909727 DOI: 10.3390/foods11050689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/02/2022] [Accepted: 02/05/2022] [Indexed: 12/16/2022] Open
Abstract
The intake of phenolic-rich foods is an emerging preventive approach for the management of type 2 diabetes, thanks to the ability of these compounds to inhibit some key metabolic enzymes. In this study, the influence of cooking and in vitro digestion on the α-glucosidase, α-amylase, and dipeptidyl-peptidase IV (DPP-IV) inhibitory activity of red-skinned onion (RSO) and dark purple eggplant (DPE) phenolic fractions was assessed. The applied cooking procedures had different influences on the total and individual phenolic compounds gastrointestinal bioaccessibility. DPE in vitro digested phenolic fractions displayed no inhibitory activity versus α-amylase and DPP-IV, whereas the fried DPE sample exhibited moderate inhibitory activity against α-glucosidase. This sample mainly contained hydroxycinnamic acid amides that can be responsible for the observed effect. Contrariwise, raw and cooked in vitro digested RSO phenolic fractions inhibited all three enzymes but with different effectiveness. Fried and raw RSO samples were the most active against them. Statistical analysis pointed out that quercetin mono-hexosides (mainly quercetin-4'-O-hexoside) were responsible for the inhibition of α-glucosidase, whereas quercetin di-hexosides (mainly quercetin-3-O-hexoside-4'-O-hexoside) were responsible for the DPP-IV-inhibitory activity of RSO samples. An accurate design of the cooking methods could be essential to maximize the release of individual phenolic compounds and the related bioactivities.
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Affiliation(s)
| | - Angela Conte
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Amendola 2-Pad. Besta, 42100 Reggio Emilia, Italy; (A.C.); (S.M.); (D.T.)
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Blancas-Benitez FJ, Pérez-Jiménez J, Sañudo-Barajas JA, Rocha-Guzmán NE, González-Aguilar GA, Tovar J, Sáyago-Ayerdi SG. Indigestible fraction of guava fruit: Phenolic profile, colonic fermentation and effect on HT-29 cells. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Chhabria S, Mathur S, Vadakan S, Sahoo DK, Mishra P, Paital B. A review on phytochemical and pharmacological facets of tropical ethnomedicinal plants as reformed DPP-IV inhibitors to regulate incretin activity. Front Endocrinol (Lausanne) 2022; 13:1027237. [PMID: 36440220 PMCID: PMC9691845 DOI: 10.3389/fendo.2022.1027237] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/18/2022] [Indexed: 11/13/2022] Open
Abstract
Type 2 diabetes mellitus is a metabolic disorder resulting from impaired insulin secretion and resistance. Dipeptidyl peptidase (DPP)-IV is an enzyme known to trigger the catalysis of insulinotropic hormones, further abating the endogenous insulin levels and elevating the glucose levels in blood plasma. In the field of drug development, DPP-IV inhibitors have opened up numerous opportunities for leveraging this target to generate compounds as hypoglycemic agents by regulating incretin activity and subsequently decreasing blood glucose levels. However, the practice of synthetic drugs is an apparent choice but poses a great pharmacovigilance issue due to their incessant undesirable effects. The ideology was set to inventively look upon different ethnomedicinal plants for their anti-diabetic properties to address these issues. To date, myriads of phytochemicals are characterized, eliciting an anti-diabetic response by targeting various enzymes and augmenting glucose homeostasis. Antioxidants have played a crucial role in alleviating the symptoms of diabetes by scavenging free radicals or treating the underlying causes of metabolic disorders and reducing free radical formation. Plant-based DPP-IV inhibitors, including alkaloids, phenolic acid, flavonoids, quercetin, and coumarin, also possess antioxidant capabilities, providing anti-diabetic and antioxidative protection. This review article provides a new gateway for exploring the ability of plant-based DPP-IV inhibitors to withstand oxidative stress under pathological conditions related to diabetes and for reforming the strategic role of ethnomedicinal plants as potent DPP-IV inhibitors through the development of polyherbal formulations and nanophytomedicines to regulate incretin activity.
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Affiliation(s)
- Srishti Chhabria
- Department of Biochemistry and Biotechnology, St Xavier’s College, Ahmedabad, India
- Department of Biotechnology, Gujarat University, Ahmedabad, India
| | - Shivangi Mathur
- Department of Biotechnology, Gujarat University, Ahmedabad, India
- Department of Biotechnology, President Science College, Ahmedabad, India
| | - Sebastian Vadakan
- Department of Biochemistry and Biotechnology, St Xavier’s College, Ahmedabad, India
- Department of Biotechnology, Gujarat University, Ahmedabad, India
| | - Dipak Kumar Sahoo
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
- *Correspondence: Biswaranjan Paital, ; Dipak Kumar Sahoo, ;
| | - Pragnyashree Mishra
- Department of Horticulture, College of Agriculture, Odisha University of Agriculture and Technology, Chipilima, Sambalpur, India
| | - Biswaranjan Paital
- Redox Regulation Laboratory, Department of Zoology, College of Basic Science and Humanities, Odisha University of Agriculture and Technology, Bhubaneswar, India
- *Correspondence: Biswaranjan Paital, ; Dipak Kumar Sahoo, ;
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11
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Nurhasanah C, Idiana A, Santi P, Yushida Y. Comparative Analysis of Beet Juice and Red Guava Juice against Erythrocyte and Hematocrit Levels in Post-partum Women. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.6259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: Post-partum physiological bleeding can cause post-partum mothers to experience anemia; often, post-partum mothers are limited by nutrient and fluid intake to keep the body strong and have ideal body weight.
AIM: The aim of the study is to knowing the difference between beet juice and Guava juice on erythrocyte and hematocrit (HTC) levels in post-partum mothers at Darul Imarah Health Center, Darul Imarah District, Aceh Besar District.
METHODS: This was a quasi-experimental study with a pre-post test design using a randomized controlled trial. The population of post-partum mothers in the Darul Imarah Health Center, Darul Imarah District, Aceh Besar District. The sample selection is purposive sampling with inclusion and exclusion criteria; the sample is 45 people.
RESULTS: The results showed differences in erythrocyte and HTC levels between before and after giving guava and iron (Fe) juices with a p-value of 0.00 <0.05. Beet juice increases the average erythrocytes and HTC levels higher than guava juice. There were significant differences in erythrocyte levels in the guava + Fe, beet + Fe, and control (Fe) treatment groups with a p-value of 0.001 <0.05. the difference in the average difference in erythrocyte levels between the guava and beet treatment groups was 0.03. The treatment group Bit + Fe had a higher mean erythrocyte level different than the guava + the treatment group and the control group (Fe). There was a significant difference in HTC levels in the guava + Fe, beet + Fe, and control (Fe) treatment groups with a p-value of 0.001 <0.05. the difference in the average difference in erythrocyte levels between the guava and beet treatment groups was 0.03. The treatment group Bit + Fe had a higher mean difference in HTC levels than the guava + the treatment group and the control group (Fe).
CONCLUSION: There is a significant difference in erythrocytes and HTC levels between before and after giving guava juice and beet juice to post-partum mothers with a p-value of 0.00 <0.05. Beet juice increases the average level of erythrocytes and HTC, which is higher than guava juice in post-partum mothers at the Darul Imarah Health Center.
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12
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Jamieson S, Wallace CE, Das N, Bhattacharyya P, Bishayee A. Guava ( Psidium guajava L.): a glorious plant with cancer preventive and therapeutic potential. Crit Rev Food Sci Nutr 2021; 63:192-223. [PMID: 34289769 DOI: 10.1080/10408398.2021.1945531] [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] [Indexed: 12/16/2022]
Abstract
Guava (Psidium guajava L.) tree (Myrtaceae family) bears fruit rich in vitamins, fiber, and other nutrients. While native to Latin America, guava is grown in many tropical and subtropical regions across the globe where it has long been used in traditional medicine to treat a myriad of ailments. Guava has been shown to exhibit a number of biological and pharmacological activities, such as antioxidant, anti-inflammatory, immunomodulatory, antimicrobial, antidiabetic, and anticancer properties. Several parts of the plant, including the leaves, fruits, seeds, peels, pulp, bark, and oil, produce phytochemicals with medicinal properties. Emerging research has found that guava bioactive phytochemicals exert antitumorigenic effects against various human malignancies through multiple mechanisms. While there are numerous individual studies that document the anticancer effects of guava constituents, an up-to-date, comprehensive, and critical review of available research data has not been performed. Therefore, the purpose of this review is to present a complete analysis of the cancer preventive and anticancer therapeutic potential of guava-derived products and guava constituents, with a focus on the cellular and molecular mechanisms of action. The bioavailability, pharmacokinetics, and toxicity of guava as well as limitations, challenges, and future directions of research have also been discussed.
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Affiliation(s)
- Sarah Jamieson
- Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Carly E Wallace
- Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Niranjan Das
- Department of Chemistry, Iswar Chandra Vidyasagar College, Belonia, Tripura, India
| | - Piyali Bhattacharyya
- Department of Nutrition, School of Health Sciences, Ana G. Méndez University, Gurabo, Puerto Rico, USA
| | - Anupam Bishayee
- Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
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13
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Shaikh S, Lee EJ, Ahmad K, Ahmad SS, Lim JH, Choi I. A Comprehensive Review and Perspective on Natural Sources as Dipeptidyl Peptidase-4 Inhibitors for Management of Diabetes. Pharmaceuticals (Basel) 2021; 14:591. [PMID: 34203048 PMCID: PMC8235117 DOI: 10.3390/ph14060591] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 12/19/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is an increasing global public health problem, and its prevalence is expected to rise in coming decades. Dipeptidyl peptidase-4 (DPP-4) is a therapeutic target for the management of T2DM, and its inhibitors prevent the degradation of glucose-dependent insulinotropic peptide and glucagon-like peptide 1, and thus, maintain their endogenous levels and lower blood glucose levels. Various medicinal plant extracts and isolated bioactive compounds exhibit DPP-4 inhibitory activity. In this review, we discussed different natural sources that have been shown to have anti-diabetic efficacy with a particular emphasis on DPP-4 inhibition. Furthermore, the effect of DPP-4 inhibition on pancreatic beta cell function, skeletal muscle function, and the glucose-lowering mechanisms were also discussed. We believe that scientists looking for novel compounds with therapeutic promise against T2DM will be able to develop antidiabetic drugs using these natural sources.
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Affiliation(s)
- Sibhghatulla Shaikh
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (S.S.); (E.-J.L.); (K.A.); (S.-S.A.); (J.-H.L.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Eun-Ju Lee
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (S.S.); (E.-J.L.); (K.A.); (S.-S.A.); (J.-H.L.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Khurshid Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (S.S.); (E.-J.L.); (K.A.); (S.-S.A.); (J.-H.L.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Syed-Sayeed Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (S.S.); (E.-J.L.); (K.A.); (S.-S.A.); (J.-H.L.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Jeong-Ho Lim
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (S.S.); (E.-J.L.); (K.A.); (S.-S.A.); (J.-H.L.)
| | - Inho Choi
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (S.S.); (E.-J.L.); (K.A.); (S.-S.A.); (J.-H.L.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
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Kumar M, Tomar M, Amarowicz R, Saurabh V, Nair MS, Maheshwari C, Sasi M, Prajapati U, Hasan M, Singh S, Changan S, Prajapat RK, Berwal MK, Satankar V. Guava ( Psidium guajava L.) Leaves: Nutritional Composition, Phytochemical Profile, and Health-Promoting Bioactivities. Foods 2021; 10:752. [PMID: 33916183 PMCID: PMC8066327 DOI: 10.3390/foods10040752] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 03/29/2021] [Accepted: 03/30/2021] [Indexed: 12/15/2022] Open
Abstract
Psidium guajava (L.) belongs to the Myrtaceae family and it is an important fruit in tropical areas like India, Indonesia, Pakistan, Bangladesh, and South America. The leaves of the guava plant have been studied for their health benefits which are attributed to their plethora of phytochemicals, such as quercetin, avicularin, apigenin, guaijaverin, kaempferol, hyperin, myricetin, gallic acid, catechin, epicatechin, chlorogenic acid, epigallocatechin gallate, and caffeic acid. Extracts from guava leaves (GLs) have been studied for their biological activities, including anticancer, antidiabetic, antioxidant, antidiarrheal, antimicrobial, lipid-lowering, and hepatoprotection activities. In the present review, we comprehensively present the nutritional profile and phytochemical profile of GLs. Further, various bioactivities of the GL extracts are also discussed critically. Considering the phytochemical profile and beneficial effects of GLs, they can potentially be used as an ingredient in the development of functional foods and pharmaceuticals. More detailed clinical trials need to be conducted to establish the efficacy of the GL extracts.
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Affiliation(s)
- Manoj Kumar
- Chemical and Biochemical Processing Division, ICAR—Central Institute for Research on Cotton Technology, Mumbai 400019, India;
| | - Maharishi Tomar
- ICAR—Indian Grassland and Fodder Research Institute, Jhansi 284003, India;
| | - Ryszard Amarowicz
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10 Str., 10-748 Olsztyn, Poland
| | - Vivek Saurabh
- Division of Food Science and Postharvest Technology, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India; (V.S.); (U.P.)
| | - M. Sneha Nair
- Department of Nutrition and Dietetics, Faculty of Allied Health Sciences, Manav Rachna International Institute of Research and Studies, Faridabad 121004, Haryana, India;
| | - Chirag Maheshwari
- Department of Agriculture Energy and Power, ICAR—Central Institute of Agricultural Engineering, Bhopal 462038, India;
| | - Minnu Sasi
- Division of Biochemistry, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India;
| | - Uma Prajapati
- Division of Food Science and Postharvest Technology, ICAR—Indian Agricultural Research Institute, New Delhi 110012, India; (V.S.); (U.P.)
| | - Muzaffar Hasan
- Agro Produce Processing Division, ICAR—Central Institute of Agricultural Engineering, Bhopal 462038, India;
| | - Surinder Singh
- Dr. S.S. Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh 160014, India;
| | - Sushil Changan
- Division of Crop Physiology, Biochemistry and Post-Harvest Technology, ICAR—Central Potato Research Institute, Shimla 171001, India;
| | - Rakesh Kumar Prajapat
- School of Agriculture, Suresh Gyan Vihar University, Jaipur 302017, Rajasthan, India;
| | - Mukesh K. Berwal
- Division of Crop improvement, ICAR—Central Institute for Arid Horticulture, Bikaner 334006, India;
| | - Varsha Satankar
- Ginning Training Centre, ICAR—Central Institute for Research on Cotton Technology, Nagpur 440023, India;
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Kazeem M, Bankole H, Ogunrinola O, Wusu A, Kappo A. Functional foods with dipeptidyl peptidase‐4 inhibitory potential and management of type 2 diabetes: A review. FOOD FRONTIERS 2021. [DOI: 10.1002/fft2.71] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Mutiu Kazeem
- Department of Biochemistry Lagos State University Ojo Lagos Nigeria
| | - Habeeb Bankole
- Department of Biochemistry Lagos State University Ojo Lagos Nigeria
| | | | - Adedoja Wusu
- Department of Biochemistry Lagos State University Ojo Lagos Nigeria
| | - Abidemi Kappo
- Department of Biochemistry University of Johannesburg Auckland Park Johannesburg South Africa
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16
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Proença C, Ribeiro D, Freitas M, Carvalho F, Fernandes E. A comprehensive review on the antidiabetic activity of flavonoids targeting PTP1B and DPP-4: a structure-activity relationship analysis. Crit Rev Food Sci Nutr 2021; 62:4095-4151. [PMID: 33554619 DOI: 10.1080/10408398.2021.1872483] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Type 2 diabetes (T2D) is an expanding global health problem, resulting from defects in insulin secretion and/or insulin resistance. In the past few years, both protein tyrosine phosphatase 1B (PTP1B) and dipeptidyl peptidase-4 (DPP-4), as well as their role in T2D, have attracted the attention of the scientific community. PTP1B plays an important role in insulin resistance and is currently one of the most promising targets for the treatment of T2D, since no available PTP1B inhibitors were still approved. DPP-4 inhibitors are among the most recent agents used in the treatment of T2D (although its use has been associated with possible cardiovascular adverse events). The antidiabetic properties of flavonoids are well-recognized, and include inhibitory effects on the above enzymes, although hitherto not therapeutically explored. In the present study, a comprehensive review of the literature of both synthetic and natural isolated flavonoids as inhibitors of PTP1B and DPP-4 activities is made, including their type of inhibition and experimental conditions, and structure-activity relationship, covering a total of 351 compounds. We intend to provide the most favorable chemical features of flavonoids for the inhibition of PTP1B and DPP-4, gathering information for the future development of compounds with improved potential as T2D therapeutic agents.
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Affiliation(s)
- Carina Proença
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Daniela Ribeiro
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Marisa Freitas
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Félix Carvalho
- UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Eduarda Fernandes
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
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In Vivo Screening and Antidiabetic Potential of Polyphenol Extracts from Guava Pulp, Seeds and Leaves. Animals (Basel) 2020; 10:ani10091714. [PMID: 32971839 PMCID: PMC7552742 DOI: 10.3390/ani10091714] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/08/2020] [Accepted: 09/10/2020] [Indexed: 12/18/2022] Open
Abstract
Simple Summary The incidence of diabetes has risen from 151 million people in 2000 to 463 million in 2019, with 4.2 million estimated deaths in 2019, and over 700 million people will be affected with diabetes worldwide by 2045. Thus, the screening of anti-diabetic plants is inevitable in order to overcome diabetes. This study has investigated the anti-diabetic potential of polyphenol extracts from guava leaves, seeds and pulp using an albino rat model. The in vivo study has reported that polyphenols from leaves and pulp have an ability to improve diabetic parameters, such as insulin, blood glucose and triglycerides levels. The improvement in blood parameters is also an indication of these extracts that are valuable for diabetes management. The findings of this study reveal that polyphenols from guava leaves, pulp and seeds can be used for drug development. Abstract The present study investigates the antidiabetic potential of polyphenol extracts purified from guava pulp, seeds and leaves using an in vivo experiment on albino rats. The polyphenols from guava pulp, seeds and leaves were extracted using methanol solvent and the sonication method while being evaluated by total phenolic contents and radical scavenging activity assay. The proximate composition of powders revealed that ash, protein and total sugars were significantly (p < 0.05) higher in leaves and seeds, while vitamin C was highest in pulp. Total phenolic and antioxidant activities were highest in pulp followed by leaves and seeds. The findings of feed intake and body gain revealed that the supplementation of polyphenols, especially from pulp, significantly (p < 0.05) increased the feed intake, which resulted in increased body weight. Moreover, total cholesterol (TC) and low-density lipoprotein (LDL) levels were significantly (p < 0.05) decreased, while the level of high-density lipoprotein (HDL) was increased in groups fed with polyphenols from guava pulp compared to both (+ive and –ive) control groups. Furthermore, blood glucose and triglycerides were significantly (p < 0.05) decreased in supplemented groups compared to the control group of diabetes mice, which resulted in the inhibition of α-amylase and glucose transport. Besides this, packed cell volume (PCV), mean corpuscular volume (MCV), hemoglobin, red blood cells (RBCs), white blood cells (WBCs) and platelet levels were increased significantly (p < 0.05) in pulp’s extract followed by leaves and seeds compared to both control groups. Overall, the antidiabetic potential of different extracts was in the following order: pulp > leaves > seeds. The findings suggest the feasibility of adding 200–250 mg/kg.bw of polyphenol extracts of pulp as an alternative to diabetic drugs.
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Heydarpour F, Sajadimajd S, Mirzarazi E, Haratipour P, Joshi T, Farzaei MH, Khan H, Echeverría J. Involvement of TGF-β and Autophagy Pathways in Pathogenesis of Diabetes: A Comprehensive Review on Biological and Pharmacological Insights. Front Pharmacol 2020; 11:498758. [PMID: 33041786 PMCID: PMC7522371 DOI: 10.3389/fphar.2020.498758] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 08/27/2020] [Indexed: 12/21/2022] Open
Abstract
Despite recent advancements in clinical drugs, diabetes treatment still needs further progress. As such, ongoing research has attempted to determine the precise molecular mechanisms of the disorder. Specifically, evidence supports that several signaling pathways play pivotal roles in the development of diabetes. However, the exact molecular mechanisms of diabetes still need to be explored. This study examines exciting new hallmarks for the strict involvement of autophagy and TGF-β signaling pathways in the pathogenesis of diabetes and the design of novel therapeutic strategies. Dysregulated autophagy in pancreatic β cells due to hyperglycemia, oxidative stress, and inflammation is associated with diabetes and accompanied by dysregulated autophagy in insulin target tissues and the progression of diabetic complications. Consequently, several therapeutic agents such as adiponectin, ezetimibe, GABA tea, geniposide, liraglutide, guava extract, and vitamin D were shown to inhibit diabetes and its complications through modulation of the autophagy pathway. Another pathway, TGF-β signaling pathway, appears to play a part in the progression of diabetes, insulin resistance, and autoimmunity in both type 1 and 2 diabetes and complications in diabetes. Subsequently, drugs that target TGF-β signaling, especially naturally derived ones such as resveratrol, puerarin, curcumin, hesperidin, and silymarin, as well as Propolis, Lycopus lucidus, and Momordica charantia extracts, may become promising alternatives to current drugs in diabetes treatment. This review provides keen insights into novel therapeutic strategies for the medical care of diabetes.
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Affiliation(s)
- Fatemeh Heydarpour
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Soraya Sajadimajd
- Departament of Biology, Faculty of Sciences, Razi University, Kermanshah, Iran
| | - Elahe Mirzarazi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Pouya Haratipour
- Department of Chemistry, Sharif University of Technology, Tehran, Iran.,PhytoPharmacology Interest Group (PPIG), Universal Scientific Education and Research Network (USERN), Los Angeles, CA, United States
| | - Tanuj Joshi
- Department of Pharmaceutical Sciences, Faculty of Technology, Kumaun University, Nainital, India
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan, Pakistan
| | - Javier Echeverría
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
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Anti-hyperglycemic and liver protective effects of flavonoids from Psidium guajava L. (guava) leaf in diabetic mice. FOOD BIOSCI 2020. [DOI: 10.1016/j.fbio.2020.100574] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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MORALES-ÁVILA ÚM, BECERRA-VERDÍN EM, SÁYAGO-AYERDI SGUADALUPE, TOLMAN JP, MONTALVO-GONZÁLEZ E. Anti-obesity and hepatoprotective effects in obese rats fed diets supplemented with fruit purees. FOOD SCIENCE AND TECHNOLOGY 2020. [DOI: 10.1590/fst.31618] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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21
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Yang Q, Wen YM, Shen J, Chen MM, Wen JH, Li ZM, Liang YZ, Xia N. Guava Leaf Extract Attenuates Insulin Resistance via the PI3K/Akt Signaling Pathway in a Type 2 Diabetic Mouse Model. Diabetes Metab Syndr Obes 2020; 13:713-718. [PMID: 32214834 PMCID: PMC7078673 DOI: 10.2147/dmso.s231979] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 02/05/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND AND OBJECTIVE Insulin resistance is well known to exhibit essential effects on the progression of diabetes mellitus (DM). Guava leaf was also reported to exhibit anti-diabetic effects including decreasing blood glucose. Therefore, this present study aims to explore the role guava leaf extract (GLE) plays in insulin resistance and its mechanism of action via the PI3K/Akt signaling pathway. METHODS KK-Ay mice is a spontaneous genetic type 2 diabetes mouse model induced by feeding a high fat and high sugar diet. Mice were randomly assigned into three groups: diabetic mice (DM), DM + MET (diabetic mice treated with metformin) and DM + GLE (diabetic mice treated with GLE) groups. After 8 weeks of treatment, body weight and levels of fasting plasma glucose (FPG), fasting insulin and lipids in plasma were measured. Mice were sacrificed and mRNA and protein expression of insulin receptor substrate1 (IRS1), phosphatidylinositol 3-kinase (PI3K) and serine/threonine kinase protein B (Akt) in livers were measured. RESULTS GLE markedly reduced body weight, FPG, fasting insulin and insulin resistance index but increased the insulin sensitivity index of diabetic KK-Ay mice. Moreover, GLE upregulated the expression of IRS-1, PI3K and Akt mRNAs in livers of diabetic KK-Ay mice. In addition, GLE also elevated IRS-1, PI3K, Akt, p-PI3K and p-Akt protein expression in their livers. The results of the DM + MET group were similar to those of the DM + GLE group. CONCLUSION GLE plays anti-diabetic roles by ameliorating insulin resistance in KK-Ay diabetic mice and this is related to the activation of PI3K/Akt signaling pathway.
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Affiliation(s)
- Qiong Yang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning530021, People’s Republic of China
| | - Yu-Mei Wen
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning530021, People’s Republic of China
| | - Jing Shen
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning530021, People’s Republic of China
| | - Mei-Mei Chen
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning530021, People’s Republic of China
| | - Jiang-Hua Wen
- Department of Health Examination, Jiangmen Central Hospital, Jiangmen, Guangdong529070, People’s Republic of China
| | - Zheng-Ming Li
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Guangxi Medical University, Nanning530021, People’s Republic of China
| | - Yu-Zhen Liang
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Guangxi Medical University, Nanning530021, People’s Republic of China
| | - Ning Xia
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning530021, People’s Republic of China
- Correspondence: Ning Xia Department of Endocrinology and Metabolism, The First Affiliated Hospital of Guangxi Medical University, Nanning530021, People’s Republic of ChinaTel +86 77 1280 2380 Email
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Yaribeygi H, Atkin SL, Sahebkar A. Natural compounds with DPP-4 inhibitory effects: Implications for the treatment of diabetes. J Cell Biochem 2019; 120:10909-10913. [PMID: 30775811 DOI: 10.1002/jcb.28467] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Accepted: 12/17/2018] [Indexed: 02/06/2023]
Abstract
Dipeptidyl peptidase-4 (DPP-4) inhibitors are antidiabetes agents that decrease blood glucose by preventing the degradation of endogenous glucagon-like peptide-1. The first DPP-4 was sitagliptin followed by several other agents in the class introduced to manage diabetes. Recent studies have suggested that naturally occurring compounds can exert an antidiabetes effect through DPP-4 inhibition. Such compounds may have a place in the treatment of diabetes within the diet; however, while DPP-4 inhibition alone is not associated with hypoglycemia, in combinations with other medication hypoglycemia can result, therefore, it is critical to know what herbal or food-based compounds may have these activities in the management of diabetes patients. In this review, we have outlined the compounds that have DPP-4 inhibition that may have utility in the treatment of diabetes.
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Affiliation(s)
- Habib Yaribeygi
- Chronic Kidney Disease Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Amirhossein Sahebkar
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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Pałasz A, Cież D, Trzewik B, Miszczak K, Tynor G, Bazan B. In the Search of Glycoside-Based Molecules as Antidiabetic Agents. Top Curr Chem (Cham) 2019; 377:19. [PMID: 31165274 PMCID: PMC6548768 DOI: 10.1007/s41061-019-0243-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 05/14/2019] [Indexed: 02/06/2023]
Abstract
This review is an effort to summarize recent developments in synthesis of O-glycosides and N-, C-glycosyl molecules with promising antidiabetic potential. Articles published after 2000 are included. First, the O-glycosides used in the treatment of diabetes are presented, followed by the N-glycosides and finally the C-glycosides constituting the largest group of antidiabetic drugs are described. Within each group of glycosides, we presented how the structure of compounds representing potential drugs changes and when discussing chemical compounds of a similar structure, achievements are presented in the chronological order. C-Glycosyl compounds mimicking O-glycosides structure, exhibit the best features in terms of pharmacodynamics and pharmacokinetics. Therefore, the largest part of the article is concerned with the description of the synthesis and biological studies of various C-glycosides. Also N-glycosides such as N-(β-d-glucopyranosyl)-amides, N-(β-d-glucopyranosyl)-ureas, and 1,2,3-triazolyl derivatives belong to the most potent classes of antidiabetic agents. In order to indicate which of the compounds presented in the given sections have the best inhibitory properties, a list of the best inhibitors is presented at the end of each section. In summary, the best inhibitors were selected from each of the summarizing figures and the results of the ranking were placed. In this way, the reader can learn about the structure of the compounds having the best antidiabetic activity. The compounds, whose synthesis was described in the article but did not appear on the figures presenting the structures of the most active inhibitors, did not show proper activity as inhibitors. Thus, the article also presents studies that have not yielded the desired results and show directions of research that should not be followed. In order to show the directions of the latest research, articles from 2018 to 2019 are described in a separate Sect. 5. In Sect. 6, biological mechanisms of action of the glycosides and patents of marketed drugs are described.
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Affiliation(s)
- Aleksandra Pałasz
- Department of Organic Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland.
| | - Dariusz Cież
- Department of Organic Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Bartosz Trzewik
- Department of Organic Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Katarzyna Miszczak
- Department of Organic Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Grzegorz Tynor
- Department of Organic Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Bartłomiej Bazan
- Department of Organic Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
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Müller U, Stübl F, Schwarzinger B, Sandner G, Iken M, Himmelsbach M, Schwarzinger C, Ollinger N, Stadlbauer V, Höglinger O, Kühne T, Lanzerstorfer P, Weghuber J. In Vitro and In Vivo Inhibition of Intestinal Glucose Transport by Guava (Psidium Guajava) Extracts. Mol Nutr Food Res 2018; 62:e1701012. [PMID: 29688623 PMCID: PMC6001447 DOI: 10.1002/mnfr.201701012] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 03/15/2018] [Indexed: 12/21/2022]
Abstract
SCOPE Known pharmacological activities of guava (Psidium guajava) include modulation of blood glucose levels. However, mechanistic details remain unclear in many cases. METHODS AND RESULTS This study investigated the effects of different guava leaf and fruit extracts on intestinal glucose transport in vitro and on postprandial glucose levels in vivo. Substantial dose- and time-dependent glucose transport inhibition (up to 80%) was observed for both guava fruit and leaf extracts, at conceivable physiological concentrations in Caco-2 cells. Using sodium-containing (both glucose transporters, sodium-dependent glucose transporter 1 [SGLT1] and glucose transporter 2 [GLUT2], are active) and sodium-free (only GLUT2 is active) conditions, we show that inhibition of GLUT2 was greater than that of SGLT1. Inhibitory properties of guava extracts also remained stable after digestive juice treatment, indicating a good chemical stability of the active substances. Furthermore, we could unequivocally show that guava extracts significantly reduced blood glucose levels (≈fourfold reduction) in a time-dependent manner in vivo (C57BL/6N mice). Extracts were characterized with respect to their main putative bioactive compounds (polyphenols) using HPLC and LC-MS. CONCLUSION The data demonstrated that guava leaf and fruit extracts can potentially contribute to the regulation of blood glucose levels.
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Affiliation(s)
- Ulrike Müller
- University of Applied Sciences Upper Austria4600WelsAustria
| | - Flora Stübl
- University of Applied Sciences Upper Austria4600WelsAustria
| | - Bettina Schwarzinger
- University of Applied Sciences Upper Austria4600WelsAustria
- Austrian Competence Center for Feed and Food QualitySafety and Innovation4600WelsAustria
| | - Georg Sandner
- University of Applied Sciences Upper Austria4600WelsAustria
| | | | - Markus Himmelsbach
- Johannes Kepler UniversityInstitute for Analytical Chemistry4040LinzAustria
| | - Clemens Schwarzinger
- Johannes Kepler UniversityInstitute for Chemical Technology of Organic Materials4040LinzAustria
| | - Nicole Ollinger
- University of Applied Sciences Upper Austria4600WelsAustria
- Austrian Competence Center for Feed and Food QualitySafety and Innovation4600WelsAustria
| | - Verena Stadlbauer
- University of Applied Sciences Upper Austria4600WelsAustria
- Austrian Competence Center for Feed and Food QualitySafety and Innovation4600WelsAustria
| | | | | | | | - Julian Weghuber
- University of Applied Sciences Upper Austria4600WelsAustria
- Austrian Competence Center for Feed and Food QualitySafety and Innovation4600WelsAustria
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In vitro evaluation of the kinetics of the release of phenolic compounds from guava ( Psidium guajava L.) fruit. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.02.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Oliveira VB, Araújo RLB, Eidenberger T, Brandão MGL. Chemical composition and inhibitory activities on dipeptidyl peptidase IV and pancreatic lipase of two underutilized species from the Brazilian Savannah: Oxalis cordata A.St.-Hil. and Xylopia aromatica (Lam.) Mart. Food Res Int 2017; 105:989-995. [PMID: 29433298 DOI: 10.1016/j.foodres.2017.11.079] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 11/27/2017] [Accepted: 11/30/2017] [Indexed: 12/29/2022]
Abstract
Brazil has the greatest vegetal biodiversity in the world, but products derived from native species are not optimally utilized. Oxalis cordata and Xylopia aromatica are two underutilized species whose leaves and fruits, respectively, have been used as food in the 19th century. In this study, we used chemical and in vitro assays to evaluate the potential of these species as functional foods. The inhibitory activity on pancreatic lipase and DPP-IV were evaluated using the crude extracts and fractions ethyl acetate, butanol and water of these two species. For polyphenols determination, samples were prepared with different solvents and these were analysed by chromatographic and spectroscopic methods. Finally, fatty acids profile was determinated by gas chromatography. The crude extract (IC50=0.84mg/ml), ethyl acetate extract (IC50=0.88mg/ml) an aqueous fraction (IC50=0.63mg/ml) of C. cordata were inhibitory on pancreatic lipase but inactive against dipeptidyl peptidase IV (DPP-IV). Extracts from X. aromatica were inactive against the lipase pancreatic enzyme, but a butanolic fraction inhibited DPP-IV (IC50=0.71±0.05mg/ml). The phenolic acids orientin/isorientin, chlorogenic acid (0.32g/100g) and the flavonoid derivatives rutin (0.27g/100g), quercetin and luteolin were observed in all products. Additionally, fatty acid quantification showed that oleic (7.5g/100g) and linoleic acid (6.5g/100g) were predominant in X. aromatica fruit. This study confirms the potential for the use of both plants as functional foods due to their nutritional value, biological activity and important phytochemical content.
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Affiliation(s)
- Verena B Oliveira
- CEPLAMT, Museu de História Natural e Jardim Botânico, Universidade Federal de Minas Gerais, Brazil; Programa de Pós-Graduação em Ciências de Alimentos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Brazil
| | - Raquel L B Araújo
- Programa de Pós-Graduação em Ciências de Alimentos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Brazil; Laboratório de Bromatologia, Departamento de Alimentos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Brazil
| | - Thomas Eidenberger
- University of Applied Science Upper Austria, Campus Wels, Stelzhamerstr. 23, 4600 Wels, Austria
| | - Maria G L Brandão
- CEPLAMT, Museu de História Natural e Jardim Botânico, Universidade Federal de Minas Gerais, Brazil; Programa de Pós-Graduação em Ciências de Alimentos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Brazil.
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Lin MH, Hsu CC, Lin J, Cheng JT, Wu MC. Investigation of morin-induced insulin secretion in cultured pancreatic cells. Clin Exp Pharmacol Physiol 2017; 44:1254-1262. [PMID: 28699234 DOI: 10.1111/1440-1681.12815] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 06/26/2017] [Accepted: 07/06/2017] [Indexed: 12/25/2022]
Abstract
Morin is a flavonoid contained in guava that is known to reduce hyperglycemia in diabetes. Insulin secretion has been demonstrated to increase following the administration of morin. The present study is designed to investigate the potential mechanism(s) of morin-induced insulin secretion in the MIN6 cell line. First, we identified that morin induced a dose-dependent increase in insulin secretion and intracellular calcium content in MIN6 cells. Morin potentiated glucose-stimulated insulin secretion (GSIS). Additionally, we used siRNA for the ablation of imidazoline receptor protein (NISCH) expression in MIN6 cells. Interestingly, the effects of increased insulin secretion by morin and canavanine were markedly reduced in Si-NISCH cells. Moreover, we used KU14R to block imidazoline I3 receptor (I-3R) that is known to enhance insulin release from the pancreatic β-cells. Without influence on the basal insulin secretion, KU14R dose-dependently inhibited the increased insulin secretion induced by morin or efaroxan in MIN6 cells. Additionally, effects of increased insulin secretion by morin or efaroxan were reduced by diazoxide at the dose sufficient to open KATP channels and attenuated by nifedipine at the dose used to inhibit L-type calcium channels. Otherwise, phospholipase C (PLC) is introduced to couple with imidazoline receptor (I-R). The PLC inhibitor dose-dependently inhibited the effects of morin in MIN6 cells. Similar blockade was also observed in protein kinase C (PKC) inhibitor-treated cells. Taken together, we found that morin increases insulin secretion via the activation of I-R in pancreatic cells. Therefore, morin would be useful to develop in the research and treatment of diabetic disorders.
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Affiliation(s)
- Mang Hung Lin
- Department of Food Science, College of Agriculture, National Pingtung University of Science and Technology, Pingtung, Taiwan.,Chief Secretary's Office, Chiayi Hospital, Ministry of Health and Welfare, Chiayi, Taiwan
| | - Chia-Chen Hsu
- Department of Food Science, College of Agriculture, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Jenshinn Lin
- Department of Food Science, College of Agriculture, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Juei Tang Cheng
- Department of Medical Research, Chi-Mei Medical Center, Tainan, Taiwan.,Institute of Medical Science, College of Health Science, Chang Jung Christian University, Tainan, Taiwan
| | - Ming Chang Wu
- Department of Food Science, College of Agriculture, National Pingtung University of Science and Technology, Pingtung, Taiwan
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Lin MH, Hsu CC, Lin J, Cheng JT, Wu MC. Identification of morin as an agonist of imidazoline I-3 receptor for insulin secretion in diabetic rats. Naunyn Schmiedebergs Arch Pharmacol 2017; 390:997-1003. [PMID: 28689255 DOI: 10.1007/s00210-017-1399-7] [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: 04/12/2017] [Accepted: 06/28/2017] [Indexed: 10/19/2022]
Abstract
Morin is a flavonoid contained in guava that is known to reduce hyperglycemia in diabetics. Morin has been demonstrated to increase plasma insulin. However, the mechanism(s) remains unknown. The present study is designed to investigate the effect of morin on the imidazoline receptor (I-R) that regulates insulin secretion. We used Chinese hamster ovary (CHO) cells transfected with an I-R expression construct (NISCH-CHO-K1 cells) to identify the direct effect of morin on the I-R. Moreover, the imidazoline I3 receptor (I-3R) is known to be present in pancreatic β cells and involved in insulin secretion. Therefore, we applied a specific antagonist (KU14R) to block I-3R in diabetic rats. Additionally, the effect of morin on insulin secretion was characterized in isolated pancreatic islets. Morin decreased blood glucose levels by increasing plasma insulin levels in diabetic rats. In CHO cells expressing an I-R, morin increased calcium influx in a dose-dependent manner. Additionally, KU14R dose-dependently inhibited the morin-induced effects, including hypoglycemia and the increase in insulin secretion and plasma C-peptide levels, in diabetic rats. Furthermore, morin enhanced insulin secretion from isolated pancreatic islets, and this effect was also dose-dependently inhibited by KU14R. Phospholipase C (PLC) is known to couple with the I-R, and a PLC inhibitor dose-dependently attenuated the insulin secretion induced by morin in isolated pancreatic islets. Taken together, these data suggest that morin can activate I-3R to enhance insulin secretion. Therefore, it would be useful to develop morin into a treatment for diabetic disorders.
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Affiliation(s)
- Mang Hung Lin
- Department of Food Science, College of Agriculture, National Pingtung University of Science and Technology, Pingtung City, Taiwan, 90801.,Chief Secretary's Office, Chiayi Hospital, Ministry of Health and Welfare, Chiayi City, Taiwan, 60001
| | - Chia-Chen Hsu
- Department of Food Science, College of Agriculture, National Pingtung University of Science and Technology, Pingtung City, Taiwan, 90801
| | - Jenshinn Lin
- Department of Food Science, College of Agriculture, National Pingtung University of Science and Technology, Pingtung City, Taiwan, 90801
| | - Juei-Tang Cheng
- Department of Medical Research, Chi-Mei Medical Center, Yong Kang, Tainan City, Taiwan, 73101. .,Institute of Medical Science, College of Health Science, Chang Jung Christian University, Guei-Ren, Tainan City, Taiwan, 71101.
| | - Ming Chang Wu
- Department of Food Science, College of Agriculture, National Pingtung University of Science and Technology, Pingtung City, Taiwan, 90801.
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Díaz-de-Cerio E, Rodríguez-Nogales A, Algieri F, Romero M, Verardo V, Segura-Carretero A, Duarte J, Galvez J. The hypoglycemic effects of guava leaf ( Psidium guajava L.) extract are associated with improving endothelial dysfunction in mice with diet-induced obesity. Food Res Int 2017; 96:64-71. [DOI: 10.1016/j.foodres.2017.03.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 03/03/2017] [Accepted: 03/10/2017] [Indexed: 01/22/2023]
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Health Effects of Psidium guajava L. Leaves: An Overview of the Last Decade. Int J Mol Sci 2017; 18:ijms18040897. [PMID: 28441777 PMCID: PMC5412476 DOI: 10.3390/ijms18040897] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 04/17/2017] [Accepted: 04/19/2017] [Indexed: 01/01/2023] Open
Abstract
Today, there is increasing interest in discovering new bioactive compounds derived from ethnomedicine. Preparations of guava (Psidium guajava L.) leaves have traditionally been used to manage several diseases. The pharmacological research in vitro as well as in vivo has been widely used to demonstrate the potential of the extracts from the leaves for the co-treatment of different ailments with high prevalence worldwide, upholding the traditional medicine in cases such as diabetes mellitus, cardiovascular diseases, cancer, and parasitic infections. Moreover, the biological activity has been attributed to the bioactive composition of the leaves, to some specific phytochemical subclasses, or even to individual compounds. Phenolic compounds in guava leaves have been credited with regulating blood-glucose levels. Thus, the aim of the present review was to compile results from in vitro and in vivo studies carried out with guava leaves over the last decade, relating the effects to their clinical applications in order to focus further research for finding individual bioactive compounds. Some food applications (guava tea and supplementary feed for aquaculture) and some clinical, in vitro, and in vivo outcomes are also included.
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Rojas-Garbanzo C, Zimmermann BF, Schulze-Kaysers N, Schieber A. Characterization of phenolic and other polar compounds in peel and flesh of pink guava (Psidium guajava L. cv. 'Criolla') by ultra-high performance liquid chromatography with diode array and mass spectrometric detection. Food Res Int 2016; 100:445-453. [PMID: 28964367 DOI: 10.1016/j.foodres.2016.12.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 12/05/2016] [Accepted: 12/10/2016] [Indexed: 12/12/2022]
Abstract
Pink guava (Psidium guajava L.) is a highly consumed fruit in tropical countries. Despite of interesting research on health effects of this fruit, investigations into the profile of secondary plant metabolites are scarce. In this study, the phenolic compounds in the peel and flesh of pink guava were characterized by ultra-high performance liquid chromatography with diode array and mass spectrometric detection. Sixty phenolic compounds were characterized by MS2 and classified as ellagitannins, flavones, flavonols, flavanols, proanthocyanidins, dihydrochalcones, and anthocyanidins, and non-flavonoids such as phenolic acid derivatives, stilbenes, acetophenones, and benzophenones. Forty-two polyphenols are reported for the first time in both peel and flesh, and twenty-four compounds were detected for the first time in P. guajava, e.g., phlorizin, nothofagin, astringin, chrysin-C-glucoside, valoneic acid bilactone, cinnamoyl-glucoside, and two dimethoxycinnamoyl-hexosides.
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Affiliation(s)
- Carolina Rojas-Garbanzo
- Institute of Nutritional and Food Sciences, Molecular Food Technology, University of Bonn, Römerstraße 164, D-53117 Bonn, Germany; National Center for Food Science and Technology (CITA), University of Costa Rica, 11501-2060 San José, Costa Rica.
| | - Benno F Zimmermann
- Institute of Nutritional and Food Sciences, Molecular Food Technology, University of Bonn, Römerstraße 164, D-53117 Bonn, Germany; Institut Kurz, Stöckheimer Weg 1, D-50829 Köln, Germany.
| | - Nadine Schulze-Kaysers
- Institute of Nutritional and Food Sciences, Molecular Food Technology, University of Bonn, Römerstraße 164, D-53117 Bonn, Germany.
| | - Andreas Schieber
- Institute of Nutritional and Food Sciences, Molecular Food Technology, University of Bonn, Römerstraße 164, D-53117 Bonn, Germany.
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Giovannini P, Howes MJR, Edwards SE. Medicinal plants used in the traditional management of diabetes and its sequelae in Central America: A review. JOURNAL OF ETHNOPHARMACOLOGY 2016; 184:58-71. [PMID: 26924564 DOI: 10.1016/j.jep.2016.02.034] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 02/23/2016] [Accepted: 02/23/2016] [Indexed: 05/27/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Globally 387 million people currently have diabetes and it is projected that this condition will be the 7th leading cause of death worldwide by 2030. As of 2012, its total prevalence in Central America (8.5%) was greater than the prevalence in most Latin American countries and the population of this region widely use herbal medicine. The aim of this study is to review the medicinal plants used to treat diabetes and its sequelae in seven Central American countries: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua and Panama. MATERIALS AND METHODS We conducted a literature review and extracted from primary sources the plant use reports in traditional remedies that matched one of the following disease categories: diabetes mellitus, kidney disease, urinary problems, skin diseases and infections, cardiovascular disease, sexual dysfunctions, visual loss, and nerve damage. Use reports were entered in a database and data were analysed in terms of the highest number of use reports for diabetes management and for the different sequelae. We also examined the scientific evidence that might support the local uses of the most reported species. RESULTS Out of 535 identified species used to manage diabetes and its sequelae, 104 species are used to manage diabetes and we found in vitro and in vivo preclinical experimental evidence of hypoglycaemic effect for 16 of the 20 species reported by at least two sources. However, only seven of these species are reported in more than 3 studies: Momordica charantia L., Neurolaena lobata (L.) R. Br. ex Cass., Tecoma stans (L.) Juss. ex Kunth, Persea americana Mill., Psidium guajava L., Anacardium occidentale L. and Hamelia patens Jacq. Several of the species that are used to manage diabetes in Central America are also used to treat conditions that may arise as its consequence such as kidney disease, urinary problems and skin conditions. CONCLUSION This review provides an overview of the medicinal plants used to manage diabetes and its sequelae in Central America and of the current scientific knowledge that might explain their traditional use. In Central America a large number of medicinal plants are used to treat this condition and its sequelae, although relatively few species are widely used across the region. For the species used to manage diabetes, there is variation in the availability and quality of pharmacological, chemical and clinical studies to explain traditional use.
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Affiliation(s)
- Peter Giovannini
- Natural Capital and Plant Health Department, Royal Botanic Gardens Kew, Wakehurst Place, Ardingly, West Sussex RH17 6TN, United Kingdom; Centre for Biocultural Diversity, School of Anthropology and Conservation, Marlowe Building, University of Kent, Canterbury, Kent CT2 7NR, United Kingdom.
| | - Melanie-Jayne R Howes
- Natural Capital and Plant Health Department, Jodrell Laboratory, Royal Botanic Gardens Kew, Richmond, Surrey TW9 3AB, United Kingdom; Institute of Pharmaceutical Science, Faculty of Life Sciences & Medicine, Franklin-Wilkins Building, King's College London, 150 Stamford Street, London SE1 9NH, United Kingdom
| | - Sarah E Edwards
- Medicinal Plant Name Services, Royal Botanic Gardens Kew, Richmond, Surrey TW9 3 AB, United Kingdom; Center for Pharmacognosy & Phytotherapy, UCL School of Pharmacy, Univ. London, 29 - 39 Brunswick Sq., London WC1N 1AX, United Kingdom
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Exploratory Characterization of Phenolic Compounds with Demonstrated Anti-Diabetic Activity in Guava Leaves at Different Oxidation States. Int J Mol Sci 2016; 17:ijms17050699. [PMID: 27187352 PMCID: PMC4881523 DOI: 10.3390/ijms17050699] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 04/27/2016] [Accepted: 05/04/2016] [Indexed: 12/30/2022] Open
Abstract
Psidium guajava L. is widely used like food and in folk medicine all around the world. Many studies have demonstrated that guava leaves have anti-hyperglycemic and anti-hyperlipidemic activities, among others, and that these activities belong mainly to phenolic compounds, although it is known that phenolic composition in guava tree varies throughout seasonal changes. Andalusia is one of the regions in Europe where guava is grown, thus, the aim of this work was to study the phenolic compounds present in Andalusian guava leaves at different oxidation states (low, medium, and high). The phenolic compounds in guava leaves were determined by HPLC-DAD-ESI-QTOF-MS. The results obtained by chromatographic analysis reported that guava leaves with low degree of oxidation had a higher content of flavonols, gallic, and ellagic derivatives compared to the other two guava leaf samples. Contrary, high oxidation state guava leaves reported the highest content of cyanidin-glucoside that was 2.6 and 15 times higher than guava leaves with medium and low oxidation state, respectively. The QTOF platform permitted the determination of several phenolic compounds with anti-diabetic properties and provided new information about guava leaf phenolic composition that could be useful for nutraceutical production.
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Díaz-de-Cerio E, Gómez-Caravaca AM, Verardo V, Fernández-Gutiérrez A, Segura-Carretero A. Determination of guava (Psidium guajava L.) leaf phenolic compounds using HPLC-DAD-QTOF-MS. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.01.040] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Quercetin-Rich Guava (Psidium guajava) Juice in Combination with Trehalose Reduces Autophagy, Apoptosis and Pyroptosis Formation in the Kidney and Pancreas of Type II Diabetic Rats. Molecules 2016; 21:334. [PMID: 26978332 PMCID: PMC6274302 DOI: 10.3390/molecules21030334] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Revised: 02/28/2016] [Accepted: 03/02/2016] [Indexed: 02/07/2023] Open
Abstract
We explored whether the combination of anti-oxidant and anti-inflammatory guava (Psidium guajava) and trehalose treatment protects the kidney and pancreas against Type II diabetes (T2DM)-induced injury in rats. We measured the active component of guava juice by HPLC analysis. T2DM was induced in Wistar rats by intraperitoneal administration of nicotinamide and streptozotocin and combination with high fructose diets for 8 weeks. The rats fed with different dosages of guava juice in combination with or without trehalose for 4 weeks were evaluated the parameters including OGTT, plasma insulin, HbA1c, HOMA-IR (insulin resistance) and HOMA-β (β cell function and insulin secretion). We measured oxidative and inflammatory degrees by immunohistochemistry stain, fluorescent stain, and western blot and serum and kidney reactive oxygen species (ROS) by a chemiluminescence analyzer. High content of quercetin in the guava juice scavenged H2O2 and HOCl, whereas trehalose selectively reduced H2O2, not HOCl. T2DM affected the levels in OGTT, plasma insulin, HbA1c, HOMA-IR and HOMA-β, whereas these T2DM-altered parameters, except HbA1c, were significantly improved by guava and trehalose treatment. The levels of T2DM-enhanced renal ROS, 4-hydroxynonenal, caspase-3/apoptosis, LC3-B/autophagy and IL-1β/pyroptosis were significantly decreased by guava juice and trehalose. The combination with trehalose and guava juice protects the pancreas and kidney against T2DM-induced injury.
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Plant-Derived Flavonoids in Ocular Angiopathy. Eur J Ophthalmol 2015; 25:286-7. [DOI: 10.5301/ejo.5000619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2015] [Indexed: 11/20/2022]
Abstract
Encouraging reports of flavonoid activity, mainly coming from in vitro or ex vivo experimental evidence, should be replicated in randomized controlled trials, to examine their ability to prevent angiopathy.
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Cruz EC, Andrade-Cetto A. Ethnopharmacological field study of the plants used to treat type 2 diabetes among the Cakchiquels in Guatemala. JOURNAL OF ETHNOPHARMACOLOGY 2015; 159:238-244. [PMID: 25460591 DOI: 10.1016/j.jep.2014.11.021] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 11/09/2014] [Accepted: 11/12/2014] [Indexed: 06/04/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Type 2 diabetes is characterized by tissue resistance to the action of insulin, combined with a relative deficiency in insulin secretion. In Guatemala, type 2 diabetes results in significant mortality rates. The low incomes of the indigenous population results in the use of alternative therapies such as medicinal plants to treat the illness. We could not find any previous study related to the use of medicinal plants to treat diabetes in Guatemala. The aim of this work is to determine the most effective plant species used in traditional medicine to treat type 2 diabetes. MATERIALS AND METHODS We performed an ethnopharmacological field study among the Cakchiquels of Chimaltenango to select the most prominent plants used to treat the disease. Type 2 diabetic patients from their community health centers were interviewed using structured questionnaires. Two mathematical tools were used to identify potential plant species: the Disease Consensus Index and the Use Value. International databases, including SCOPUS, PubMed, and Google Scholar, were used to identify whether the plants with the highest scores were known to elicit hypoglycemic effects. RESULTS After analyzing the data, we can propose the following plants as the most prominent among the Cakchiquels of Chimaltenango to treat type 2 diabetes: Hamelia patens Jacq., Neurolaena lobata (L.) R.Br.ex Cass., Solanum americanum Mill., Croton guatemalensis Lotsy, and Quercus peduncularis Née. CONCLUSIONS The Cakchiquel patients interviewed did not understand type 2 diabetes; however, they associated the onset of their disease with a negative emotion, such as shock, sadness or anger. Despite changes in lifestyle, influences of advertising, the availability of innovative treatments and the use of oral hypoglycemic treatments provided by health facilities serving indigenous communities, the Cakchiquel continue to use medicinal plants as adjunctive treatment. While they are unaware whether the plants can cause additional harm, they consider their consumption beneficial because they feel better. There were 11 plants identified with UVs greater than 0.5 and high DCIs; from these 64% of the plants have been identified as having hypoglycemic effects; this finding supports the traditional selection by the Cakchiquels of medicinal plants to treat T2D.
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Affiliation(s)
- Elda Carola Cruz
- Laboratorio de Etnofarmacología, Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510 México DF, Mexico
| | - Adolfo Andrade-Cetto
- Laboratorio de Etnofarmacología, Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510 México DF, Mexico.
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Determination of Polar Compounds in Guava Leaves Infusions and Ultrasound Aqueous Extract by HPLC-ESI-MS. J CHEM-NY 2015. [DOI: 10.1155/2015/250919] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Literature lacks publications about polar compounds content in infusion or guava leaves tea. Because of that, a comparison between different times of infusion and a conventional ultrasound aqueous extract was carried out. Several polar compounds have been identified by HPLC-ESI-MS and their antioxidant activity was evaluated by FRAP and ABTS assays. Four different classes of phenolic compounds (gallic and ellagic acid derivatives, flavonols, flavanones, and flavan-3-ols) and some benzophenones were determined. The quantification results reported that the order, in terms of concentration of the classes of polar compounds in all samples, was flavonols > flavan-3-ols > gallic and ellagic acid derivatives > benzophenones > flavanones. As expected, the aqueous extract obtained by sonication showed the highest content in the compounds studied. Significative differences were noticed about the different times of infusion and five minutes was the optimal time to obtain the highest content in polar compounds using this culinary method. All the identified compounds, except HHDP isomers and naringenin, were positively correlated with antioxidant activity.
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Zhu Y, Liu Y, Zhan Y, Liu L, Xu Y, Xu T, Liu T. Preparative isolation and purification of five flavonoid glycosides and one benzophenone galloyl glycoside from Psidium guajava by high-speed counter-current chromatography (HSCCC). Molecules 2013; 18:15648-61. [PMID: 24352020 PMCID: PMC6270387 DOI: 10.3390/molecules181215648] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Revised: 12/09/2013] [Accepted: 12/10/2013] [Indexed: 01/24/2023] Open
Abstract
Psidium guajava leaves have a diverse phytochemical composition including flavonoids, phenolics, meroterpenoids and triterpenes, responsible for the biological activities of the medicinal parts. In particular, flavonol glycosides show beneficial effects on type II diabetes mellitus. A simple and efficient HSCCC method has been developed for the preparative separation of five flavonoid glycosides and one diphenylmethane glycoside from P. guajava. A solvent system composed of n-hexane-ethyl acetate-methanol-water (0.7:4:0.8:4, v/v/v/v) was optimized for the separation. The upper phase was used as the stationary phase, and the lower phase was used as the mobile phase. Under the optimized conditions, hyperoside (15.3 mg), isoquercitrin (21.1 mg), reynoutrin (65.2 mg), quercetin-3-O-β-D-arabinopyranoside (71.7 mg), quercetin-3-O-α-L-arabinofuranoside (105.6 mg) and 2,4,6-trihydroxy-3,5-dimethylbenzophenone 4-O-(6''-O-galloyl)-β-D-glucopyranoside (98.4 mg) were separated from crude sample (19.8 g). The structures of all the isolates were identified by ESI-MS, 1H- and 13C-NMR analyses and their purities (>95%) were determined using HPLC.
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Affiliation(s)
- Yindi Zhu
- Department of Traditional Chinese Medicine Chemistry, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, No. 6 Wangjing Zhonghuan South Road, Chaoyang District, Beijing 100102, China; E-Mails: (Y.Z.); (Y.Z.); (L.L.)
- Health-cultivation Laboratory of the Ministry Education, Beijing University of Chinese Medicine, 11 North Third Ring Road East, Chaoyang District, Beijing 100029, China; E-Mail:
| | - Yue Liu
- Chemistry of Chinese Medicine, Jilin Academy of Chinese Medicine Sciences, Changchun 130021, China; E-Mails: (Y.L.); (Y.X.)
| | - Ying Zhan
- Department of Traditional Chinese Medicine Chemistry, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, No. 6 Wangjing Zhonghuan South Road, Chaoyang District, Beijing 100102, China; E-Mails: (Y.Z.); (Y.Z.); (L.L.)
- Health-cultivation Laboratory of the Ministry Education, Beijing University of Chinese Medicine, 11 North Third Ring Road East, Chaoyang District, Beijing 100029, China; E-Mail:
| | - Lin Liu
- Department of Traditional Chinese Medicine Chemistry, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, No. 6 Wangjing Zhonghuan South Road, Chaoyang District, Beijing 100102, China; E-Mails: (Y.Z.); (Y.Z.); (L.L.)
- Health-cultivation Laboratory of the Ministry Education, Beijing University of Chinese Medicine, 11 North Third Ring Road East, Chaoyang District, Beijing 100029, China; E-Mail:
| | - Yajuan Xu
- Chemistry of Chinese Medicine, Jilin Academy of Chinese Medicine Sciences, Changchun 130021, China; E-Mails: (Y.L.); (Y.X.)
| | - Tunhai Xu
- Department of Traditional Chinese Medicine Chemistry, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, No. 6 Wangjing Zhonghuan South Road, Chaoyang District, Beijing 100102, China; E-Mails: (Y.Z.); (Y.Z.); (L.L.)
- Health-cultivation Laboratory of the Ministry Education, Beijing University of Chinese Medicine, 11 North Third Ring Road East, Chaoyang District, Beijing 100029, China; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel./Fax: +86-10-6428-6935
| | - Tonghua Liu
- Health-cultivation Laboratory of the Ministry Education, Beijing University of Chinese Medicine, 11 North Third Ring Road East, Chaoyang District, Beijing 100029, China; E-Mail:
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