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Ibrahim M, Detroja A, Sheth BP, Bhadja P, Sanghvi G, Bishoyi AK. Existing status and future advancements of adulteration detection techniques in herbal products. Mol Biol Rep 2024; 51:151. [PMID: 38236339 DOI: 10.1007/s11033-023-09122-9] [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: 07/20/2023] [Accepted: 12/06/2023] [Indexed: 01/19/2024]
Abstract
BACKGROUND Herbal products have been commonly used all over the world for centuries. Its products have gained remarkable acceptance as therapeutic agents for a variety of disorders. However, following recent research disclosing discrepancies between labeling and actual components of herbal products, there is growing concern about the efficacy, quality and safety of the products. The admixture and adulteration of herbal medicinal products pose a risk of serious health compromise and the well-being of the consumers. To prevent adulteration in raw ingredients and final herbal products, it is necessary to use approaches to assess both genomes as well as metabolomics of the products; this offers quality assurance in terms of product identification and purity. The combinations of molecular and analytical methods are inevitable for thorough verification and quality control of herbal medicine. METHODS AND RESULTS This review discusses the combination of DNA barcoding, DNA metabarcoding, mass spectroscopy as well as HPLC for the authentication of herbal medicine and determination of the level of adulteration. It also discusses the roles of PCR and real-time PCR techniques in validating and ensuring the quality, purity and identity of the herbal products. CONCLUSIONS In conclusion, each technique has its own pros and cons, but the cumulative of both the chemical and molecular methods is proven to be the best strategy for adulteration detection. Moreover, CRISPR diagnosis tools equipped with multiplexing techniques may be implemented for screening adulteration from herbal drugs, this will play a crucial role in herbal product authentication in the future.
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Affiliation(s)
- Munir Ibrahim
- Department of Microbiology, Faculty of Science, Marwadi University, Rajkot, Gujarat, 360003, India
| | - Asmita Detroja
- Department of Microbiology, Faculty of Science, Marwadi University, Rajkot, Gujarat, 360003, India
| | - Bhavisha P Sheth
- Department of Microbiology, Faculty of Science, Marwadi University, Rajkot, Gujarat, 360003, India
| | - Poonam Bhadja
- Department of Microbiology, Faculty of Science, Marwadi University, Rajkot, Gujarat, 360003, India
| | - Gaurav Sanghvi
- Department of Microbiology, Faculty of Science, Marwadi University, Rajkot, Gujarat, 360003, India
| | - Ashok Kumar Bishoyi
- Department of Microbiology, Faculty of Science, Marwadi University, Rajkot, Gujarat, 360003, India.
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Vlase AM, Toiu A, Gligor O, Muntean D, Casian T, Vlase L, Filip A, Bȃldea I, Clichici S, Decea N, Moldovan R, Toma VA, Virag P, Crișan G. Investigation of Epilobium hirsutum L. Optimized Extract's Anti-Inflammatory and Antitumor Potential. PLANTS (BASEL, SWITZERLAND) 2024; 13:198. [PMID: 38256751 PMCID: PMC10819739 DOI: 10.3390/plants13020198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/04/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024]
Abstract
Epilobium hirsutum L., commonly known as hairy willowherb, is a perennial herbaceous plant native to Europe and Asia. In Romania, the Epilobium genus includes 17 species that are used in folk medicine for various purposes. This study aimed to investigate the anti-inflammatory and antitumor potential of the optimized extract of Epilobium hirsutum (EH) in animal models. The first study investigated the anti-inflammatory properties of EH optimized extract and the model used was carrageenan-induced paw inflammation. Wistar rats were divided into three groups: negative control, positive control treated with indomethacin, and a group treated with the extract. Oxidative stress markers, cytokine levels, and protein expressions were assessed. The extract demonstrated anti-inflammatory properties comparable to those of the control group. In the second study, the antitumor effects of the extract were assessed using the tumor model of Ehrlich ascites carcinoma. Swiss albino mice with Ehrlich ascites were divided into four groups: negative, positive treated with cyclophosphamide (Cph), Group 3 treated with Cph and EH optimized extract, and Group 4 treated with extract alone. Samples from the ascites fluid, liver, and heart were analyzed to evaluate oxidative stress, inflammation, and cancer markers. The extract showed a reduction in tumor-associated inflammation and oxidative stress. Overall, the EH optimized extract exhibited promising anti-inflammatory and antitumor effects in the animal models studied. These findings suggest its potential as a natural adjuvant therapeutic agent for addressing inflammation and oxidative stress induced by different pathologies.
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Affiliation(s)
- Ana-Maria Vlase
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (A.-M.V.); (O.G.); (G.C.)
| | - Anca Toiu
- Department of Pharmacognosy, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania;
| | - Octavia Gligor
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (A.-M.V.); (O.G.); (G.C.)
| | - Dana Muntean
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (D.M.); (T.C.)
| | - Tibor Casian
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (D.M.); (T.C.)
| | - Laurian Vlase
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (D.M.); (T.C.)
| | - Adriana Filip
- Department of Physiology, Faculty of Medicine, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (A.F.); (S.C.); (N.D.); (R.M.)
| | - Ioana Bȃldea
- Department of Physiology, Faculty of Medicine, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (A.F.); (S.C.); (N.D.); (R.M.)
| | - Simona Clichici
- Department of Physiology, Faculty of Medicine, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (A.F.); (S.C.); (N.D.); (R.M.)
| | - Nicoleta Decea
- Department of Physiology, Faculty of Medicine, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (A.F.); (S.C.); (N.D.); (R.M.)
| | - Remus Moldovan
- Department of Physiology, Faculty of Medicine, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (A.F.); (S.C.); (N.D.); (R.M.)
| | - Vlad-Alexandru Toma
- Department of Molecular Biology and Biotechnology, Faculty of Biology and Geology, Babeș-Bolyai University, 44 Republicii Street, 400015 Cluj-Napoca, Romania;
- Institute of Biological Research, Branch of NIRDBS, 48 Republicii Street, 400015 Cluj-Napoca, Romania
| | - Piroska Virag
- Department of Radiobiology and Tumor Biology, The Oncology Institute “Prof. Dr. Ion Chiricuță”, 34-36 Republicii Street, 400015 Cluj-Napoca, Romania;
| | - Gianina Crișan
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 8 Victor Babeș Street, 400012 Cluj-Napoca, Romania; (A.-M.V.); (O.G.); (G.C.)
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Shah AP, Travadi T, Sharma S, Pandit R, Joshi C, Joshi M. Comprehensive analysis using DNA metabarcoding, SCAR marker based PCR assay, and HPLC unveils the adulteration in Brahmi herbal products. Mol Biol Rep 2023; 50:7605-7618. [PMID: 37532919 DOI: 10.1007/s11033-023-08653-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 06/28/2023] [Indexed: 08/04/2023]
Abstract
BACKGROUND Brahmi is one of the important nootropic botanicals, widely sold in the market, with the name "Brahmi'' being used to describe both Bacopa monnieri and Centella asiatica species. The Brahmi herbal products market is expanding; hence, economically motivated adulteration is highly prevalent. METHODS AND RESULTS This study aimed to develop DNA-based methods, including SCAR marker-based PCR and metabarcoding, to authenticate Brahmi herbal products and compare these methods with HPLC. These methods have been validated using mock controls (in-house blended formulations). All targeted plant species in mock controls were detected successfully with all three methods, whereas, in market samples, only 22.2%, 55.6%, and 50.0% were found positive for Brahmi by PCR assay, DNA metabarcoding, and HPLC, respectively. Metabarcoding can detect the presence of non-labeled plants together with targeted species, which is an advantage over PCR assay or HPLC. CONCLUSION SCAR marker-based PCR is a rapid and cost-effective method for detecting the presence of B. monnieri and C. asiatica. However, in this study, the success rate of PCR amplification was relatively low because the primers targeted either RAPD or ITS-based SCAR markers. HPLC assay, although an alternative, was unable to detect the presence of other botanicals, just like the SCAR marker-based PCR assay. On the other hand, metabarcoding can be utilized to identify the target plants, even in very small quantities, while also providing simulated identification of other botanicals. This study successfully addressed the need for quality control of Brahmi herbal products and provided the first-time report of DNA metabarcoding for such products.
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Affiliation(s)
- Abhi P Shah
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology, Government of Gujarat, Gandhinagar, India
| | - Tasnim Travadi
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology, Government of Gujarat, Gandhinagar, India
| | - Sonal Sharma
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology, Government of Gujarat, Gandhinagar, India
| | - Ramesh Pandit
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology, Government of Gujarat, Gandhinagar, India
| | - Chaitanya Joshi
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology, Government of Gujarat, Gandhinagar, India
| | - Madhvi Joshi
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology, Government of Gujarat, Gandhinagar, India.
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Raclariu-Manolică AC, Mauvisseau Q, Paranaiba R, De Boer HJ, Socaciu C. Authentication of milk thistle commercial products using UHPLC-QTOF-ESI + MS metabolomics and DNA metabarcoding. BMC Complement Med Ther 2023; 23:257. [PMID: 37480124 PMCID: PMC10360273 DOI: 10.1186/s12906-023-04091-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 07/13/2023] [Indexed: 07/23/2023] Open
Abstract
BACKGROUND Milk thistle is one of the most popular hepatoprotectants, and is often sold in combination with other ingredients. Botanical supplements are known to be vulnerable to contamination and adulteration, and emerging technologies show promise to improve their quality control. METHODS Untargeted and semi-targeted metabolomics based on UHPLC-QTOF-ESI+MS techniques, UV spectrometry, and DNA metabarcoding using Illumina MiSeq were used to authenticate eighteen milk thistle botanical formulations (teas, capsules, tablets, emulsion). RESULTS Untargeted metabolomics separated 217 molecules and by multivariate analysis the discrimination between the different preparations was established. The semi-targeted metabolomics focused on 63 phytochemicals, mainly silymarin flavonolignans and flavonoids, that may be considered as putative biomarkers of authenticity. All formulations contained molecules from silymarin complexes at different levels. The quantitative evaluation of silybins was done using in parallel UV spectrometry and UHPLC-QTOF-ESI+MS and their correlations were compared. DNA metabarcoding detected milk thistle in eleven out of sixteen retained preparations, whereas two others had incomplete evidence of milk thistle despite metabolomics validating specific metabolites, e.g., silymarin complex, identified and quantified in all samples. Meanwhile, the DNA metabarcoding provided insights into the total species composition allowing the interpretation of the results in a broad context. CONCLUSION Our study emphasizes that combining spectroscopic, chromatographic, and genetic techniques bring complementary information to guarantee the quality of the botanical formulations.
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Affiliation(s)
- Ancuța Cristina Raclariu-Manolică
- Stejarul Research Centre for Biological Sciences, National Institute of Research and Development for Biological Sciences, Alexandru cel Bun Street, 6, Piatra Neamț, 610004, Romania.
- Natural History Museum, University of Oslo, P.O. Box 1172, Blindern, Oslo, 0318, Norway.
| | - Quentin Mauvisseau
- Natural History Museum, University of Oslo, P.O. Box 1172, Blindern, Oslo, 0318, Norway
| | - Renato Paranaiba
- Natural Products Laboratory, School of Health Sciences, University of Brasília, Campus Universitário Darcy Ribeiro, Brasília, DF, 70910-900, 70910-900, Brazil
- DNA Laboratory, National Institute of Criminalistics, Brazilian Federal Police, SAIS Quadra 7, Lote 23, Brasília, DF, 70610-200, Brazil
| | - Hugo J De Boer
- Natural History Museum, University of Oslo, P.O. Box 1172, Blindern, Oslo, 0318, Norway
| | - Carmen Socaciu
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, Mănăştur Street, nr. 3-5, Cluj Napoca, 400372, Romania
- BIODIATECH- Research Center for Applied Biotechnology in Diagnosis and Molecular Therapy, Trifoiului Street 12G, Cluj-Napoca, 400478, Romania
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Travadi T, Shah AP, Pandit R, Sharma S, Joshi C, Joshi M. A combined approach of DNA metabarcoding collectively enhances the detection efficiency of medicinal plants in single and polyherbal formulations. FRONTIERS IN PLANT SCIENCE 2023; 14:1169984. [PMID: 37255553 PMCID: PMC10225634 DOI: 10.3389/fpls.2023.1169984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 04/17/2023] [Indexed: 06/01/2023]
Abstract
Introduction Empirical research has refined traditional herbal medicinal systems. The traditional market is expanding globally, but inadequate regulatory guidelines, taxonomic knowledge, and resources are causing herbal product adulteration. With the widespread adoption of barcoding and next-generation sequencing, metabarcoding is emerging as a potential tool for detecting labeled and unlabeled plant species in herbal products. Methods This study validated newly designed rbcL and ITS2 metabarcode primers for metabarcoding using in-house mock controls of medicinal plant gDNA pools and biomass pools. The applicability of the multi-barcode sequencing approach was evaluated on 17 single drugs and 15 polyherbal formulations procured from the Indian market. Results The rbcL metabarcode demonstrated 86.7% and 71.7% detection efficiencies in gDNA plant pools and biomass mock controls, respectively, while the ITS2 metabarcode demonstrated 82.2% and 69.4%. In the gDNA plant pool and biomass pool mock controls, the cumulative detection efficiency increased by 100% and 90%, respectively. A 79% cumulative detection efficiency of both metabarcodes was observed in single drugs, while 76.3% was observed in polyherbal formulations. An average fidelity of 83.6% was observed for targeted plant species present within mock controls and in herbal formulations. Discussion In the present study, we achieved increasing cumulative detection efficiency by combining the high universality of the rbcL locus with the high-resolution power of the ITS2 locus in medicinal plants, which shows applicability of multilocus strategies in metabarcoding as a potential tool for the Pharmacovigilance of labeled and unlabeled plant species in herbal formulations.
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Raclariu-Manolică AC, Mauvisseau Q, de Boer HJ. Horizon scan of DNA-based methods for quality control and monitoring of herbal preparations. Front Pharmacol 2023; 14:1179099. [PMID: 37214460 PMCID: PMC10193163 DOI: 10.3389/fphar.2023.1179099] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 04/20/2023] [Indexed: 05/24/2023] Open
Abstract
Herbal medicines and preparations are widely used in healthcare systems globally, but concerns remain about their quality and safety. New herbal products are constantly being introduced to the market under varying regulatory frameworks, with no global consensus on their definition or characterization. These biologically active mixtures are sold through complex globalized value chains, which create concerns around contamination and profit-driven adulteration. Industry, academia, and regulatory bodies must collaborate to develop innovative strategies for the identification and authentication of botanicals and their preparations to ensure quality control. High-throughput sequencing (HTS) has significantly improved our understanding of the total species diversity within DNA mixtures. The standard concept of DNA barcoding has evolved over the last two decades to encompass genomic data more broadly. Recent research in DNA metabarcoding has focused on developing methods for quantifying herbal product ingredients, yielding meaningful results in a regulatory framework. Techniques, such as loop-mediated isothermal amplification (LAMP), DNA barcode-based Recombinase Polymerase Amplification (BAR-RPA), DNA barcoding coupled with High-Resolution Melting (Bar-HRM), and microfluidics-based methods, offer more affordable tests for the detection of target species. While target capture sequencing and genome skimming are considerably increasing the species identification resolution in challenging plant clades, ddPCR enables the quantification of DNA in samples and could be used to detect intended and unwanted ingredients in herbal medicines. Here, we explore the latest advances in emerging DNA-based technologies and the opportunities they provide as taxa detection tools for evaluating the safety and quality of dietary supplements and herbal medicines.
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Affiliation(s)
- Ancuța Cristina Raclariu-Manolică
- Stejarul Research Centre for Biological Sciences, National Institute of Research and Development for Biological Sciences, Piatra Neamț, Romania
- Natural History Museum, University of Oslo, Oslo, Norway
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Raclariu-Manolică AC, Socaciu C. Detecting and Profiling of Milk Thistle Metabolites in Food Supplements: A Safety-Oriented Approach by Advanced Analytics. Metabolites 2023; 13:440. [PMID: 36984880 PMCID: PMC10052194 DOI: 10.3390/metabo13030440] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Milk thistle (Silybum marianum (L.) Gaertn.) is among the top-selling botanicals used as a supportive treatment for liver diseases. Silymarin, a mixture of unique flavonolignan metabolites, is the main bioactive component of milk thistle. The biological activities of silymarin have been well described in the literature, and its use is considered safe and well-tolerated in appropriate doses. However, commercial preparations do not always contain the recommended concentrations of silymarin, failing to provide the expected therapeutic effect. While the poor quality of raw material may explain the low concentrations of silymarin, its deliberate removal is suspected to be an adulteration. Toxic contaminants and foreign matters were also detected in milk thistle preparations, raising serious health concerns. Standard methods for determination of silymarin components include thin-layer chromatography (TLC), high-performance thin-layer chromatography (HPTLC), and high-performance liquid chromatography (HPLC) with various detectors, but nuclear magnetic resonance (NMR) and ultra-high-performance liquid chromatography (UHPLC) have also been applied. This review surveys the extraction techniques of main milk thistle metabolites and the quality, efficacy, and safety of the derived food supplements. Advanced analytical authentication approaches are discussed with a focus on DNA barcoding and metabarcoding to complement orthogonal chemical characterization and fingerprinting of herbal products.
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Affiliation(s)
- Ancuța Cristina Raclariu-Manolică
- Stejarul Research Centre for Biological Sciences, National Institute of Research and Development for Biological Sciences, 610004 Piatra Neamț, Romania
| | - Carmen Socaciu
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 400372 Cluj-Napoca, Romania
- BIODIATECH—Research Center for Applied Biotechnology in Diagnosis and Molecular Therapy, 400478 Cluj-Napoca, Romania
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Kantak M, Batra P, Shende P. Integration of DNA barcoding and nanotechnology in drug delivery. Int J Biol Macromol 2023; 230:123262. [PMID: 36646350 DOI: 10.1016/j.ijbiomac.2023.123262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 01/05/2023] [Accepted: 01/08/2023] [Indexed: 01/15/2023]
Abstract
In recent years' development in nanotechnology utilization of DNA barcodes with potential benefit of nanoparticulate system is a hallmark for novel advancement in healthcare, biomedical and research sector. Interplay of biological barcoding with nanodimensional system encompasses innovative technologies to offer unique advantages of ultra-sensitivity, error-free, accuracy with minimal label reagents, and less time consumption in comparison to conventional techniques like ELISA, PCR, culture media, electrophoresis. DNA barcoding systems used as universal novel tool for identification and multiplex structural detection of proteins, DNAs, toxins, allergens, and nucleic acids of humans, viruses, animals, bacteria, plants as well as personalized treatment in ovarian cancer, AIDS-related Kaposi sarcoma, breast cancer and cardiovascular diseases. Barcoding tools offer substantial attention in drug delivery, in-vivo screening, gene transport for theranostics, bioimaging, and nano-biosensors applications. This review article outlines the recent advances in nano-mediated DNA barcodes to explore various applications in detection of cancer markers, tumor cells, pathogens, allergens, as theranostics, biological sensors, and plant authentication. Furthermore, it summarizes the diverse newer technologies such as bio-barcode amplification (BBA), Profiling Relative Inhibition Simultaneously in Mixtures (PRISM) and CRISPR-Cas9 gene knockout and their applications as sensors for detections of antigens, allergens, and other specimens.
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Affiliation(s)
- Maithili Kantak
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India
| | - Priyanka Batra
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India
| | - Pravin Shende
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, India.
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Current Trends in Toxicity Assessment of Herbal Medicines: A Narrative Review. Processes (Basel) 2022. [DOI: 10.3390/pr11010083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Even in modern times, the popularity level of medicinal plants and herbal medicines in therapy is still high. The World Health Organization estimates that 80% of the population in developing countries uses these types of remedies. Even though herbal medicine products are usually perceived as low risk, their potential health risks should be carefully assessed. Several factors can cause the toxicity of herbal medicine products: plant components or metabolites with a toxic potential, adulteration, environmental pollutants (heavy metals, pesticides), or contamination of microorganisms (toxigenic fungi). Their correct evaluation is essential for the patient’s safety. The toxicity assessment of herbal medicine combines in vitro and in vivo methods, but in the past decades, several new techniques emerged besides conventional methods. The use of omics has become a valuable research tool for prediction and toxicity evaluation, while DNA sequencing can be used successfully to detect contaminants and adulteration. The use of invertebrate models (Danio renio or Galleria mellonella) became popular due to the ethical issues associated with vertebrate models. The aim of the present article is to provide an overview of the current trends and methods used to investigate the toxic potential of herbal medicinal products and the challenges in this research field.
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Mahima K, Sunil Kumar KN, Rakhesh KV, Rajeswaran PS, Sharma A, Sathishkumar R. Advancements and future prospective of DNA barcodes in the herbal drug industry. Front Pharmacol 2022; 13:947512. [PMID: 36339543 PMCID: PMC9635000 DOI: 10.3389/fphar.2022.947512] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 10/10/2022] [Indexed: 08/04/2023] Open
Abstract
Ethnopharmacological relevance: The past couple of decades have witnessed the global resurgence of medicinal plants in the field of herbal-based health care. Increased consumption of medicinal plants and their derivative products is the major cause of the adulteration issues in herbal industries. As a result, the quality of herbal products is affected by spurious and unauthorized raw materials. Recent development in molecular plant identification using DNA barcodes has become a robust methodology to identify and authenticate the adulterants in herbal samples. Hence, rapid and accurate identification of medicinal plants is the key to success for the herbal industry. Aim of the study: This paper provides a comprehensive review of the application of DNA barcoding and advanced technologies that have emerged over the past 10 years related to medicinal plant identification and authentication and the future prospects of this technology. Materials and methods: Information on DNA barcodes was compiled from scientific databases (Google Scholar, Web of Science, SciFinder and PubMed). Additional information was obtained from books, Ph.D. thesis and MSc. Dissertations. Results: Working out an appropriate DNA barcode for plants is challenging; the single locus-based DNA barcodes (rbcL, ITS, ITS2, matK, rpoB, rpoC, trnH-psbA) to multi-locus DNA barcodes have become the successful species-level identification among herbal plants. Additionally, multi-loci have become efficient in the authentication of herbal products. Emerging advances in DNA barcoding and related technologies such as next-generation sequencing, high-resolution melting curve analysis, meta barcodes and mini barcodes have paved the way for successful herbal plant/samples identification. Conclusion: DNA barcoding needs to be employed together with other techniques to check and rationally and effectively quality control the herbal drugs. It is suggested that DNA barcoding techniques combined with metabolomics, transcriptomics, and proteomics could authenticate the herbal products. The invention of simple, cost-effective and improved DNA barcoding techniques to identify herbal drugs and their associated products of medicinal value in a fool-proof manner will be the future thrust of Pharmacopoeial monograph development for herbal drugs.
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Affiliation(s)
- Karthikeyan Mahima
- Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu, India
- Department of Pharmacognosy, Siddha Central Research Institute, Chennai, Tamil Nadu, India
| | | | | | | | - Ashutosh Sharma
- Tecnologico de Monterrey, Centre of Bioengineering, Santiago de Queretaro, Queretaro, Mexico
| | - Ramalingam Sathishkumar
- Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu, India
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Xu W, Zhu P, Xin T, Lou Q, Li R, Fu W, Ma T, Song J. Droplet digital PCR for the identification of plant-derived adulterants in highly processed products. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 105:154376. [PMID: 35963193 DOI: 10.1016/j.phymed.2022.154376] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 07/18/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND The high sensitivity of droplet digital PCR (ddPCR) contributes to its excellent performance in animal and microorganism identification, but the utilization of ddPCR is limited in plant adulterant identification of highly processed products for which effective methods are lacking. PURPOSE This study investigated the feasibility of ddPCR in the identification of plant adulterants in Chinese patent medicine (CPM) as groundwork to develop ddPCR assays for other highly processed goods. METHODS The original plant, processed and highly processed products of Mutong (Akebiae Caulis) and its two adulterants were used to analyze the specificity, sensitivity, and practical performance of the developed singleplex and triplex ddPCR assays. RESULTS The results revealed that the limit of detection (LOD) and limit of quantification (LOQ) for the selective ddPCR assays developed to identify Mutong and its adulterants were 0.00002 ng/μl and 0.00016 ng/μl, respectively, and that the regression equations representing the relationships between DNA concentration and target copy number all exhibited good linearity. Furthermore, the common adulterant of Mutong in three samples of Longdan Xiegan pills was successfully identified through ddPCR assays and confirmed by Sanger sequencing. CONCLUSION This work comprehensively revealed the great ability of ddPCR technology in detecting plant adulterants in traditional Chinese medicine (TCM), providing a method for the quality control of highly processed plant products with complex components for commonly used goods.
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Affiliation(s)
- Wenjie Xu
- Key Laboratory of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Pengyu Zhu
- Institute of Plant Quarantine, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Tianyi Xin
- Key Laboratory of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Qian Lou
- Key Laboratory of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Ranjun Li
- Key Laboratory of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Wei Fu
- Institute of Plant Quarantine, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Tingyu Ma
- Key Laboratory of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Jingyuan Song
- Key Laboratory of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China; Engineering Research Center of Chinese Medicine Resource, Ministry of Education, Beijing 100193, China; Yunnan Key Laboratory of Southern Medicine Utilization, Yunnan Branch Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Jinghong 666100, China.
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12
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A Review on Application of DNA Barcoding Technology for Rapid Molecular Diagnostics of Adulterants in Herbal Medicine. Drug Saf 2021; 45:193-213. [PMID: 34846701 DOI: 10.1007/s40264-021-01133-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/21/2021] [Indexed: 10/19/2022]
Abstract
The rapid molecular diagnostics of adulterants in herbal medicine using DNA barcoding forms the core of this meticulously detailed review, based on two decades of data. With 80% of the world's population using some form of herbal medicine, authentication, quality control, and detection of adulterants warrant DNA barcoding. A combined group of keywords were used for literature review using the PubMed, the ISI Web of Knowledge, Web of Science (WoS), and Google Scholar databases. All the papers (N = 210) returned by the search engines were downloaded and systematically analyzed. Detailed analysis of conventional DNA barcodes were based on retrieved sequences for internal transcribed spacer (ITS) (412,189), rbcL (251,598), matK (210,835), and trnH-psbA (141,846). The utility of databases such as The Barcode of Life Data System (BOLD), NCBI, GenBank, and Medicinal Materials DNA Barcode Database (MMDBD) has been critically examined for the identification of unknown species from known databases. The current review gives an overview of the ratio of adulterated to authentic drugs for some countries along with the state of the art technology currently being used in the identification of adulterated medicines. In this review, efforts were made to systematically analyze and arrange the research and reviews on the basis of technical progress. The review concludes with the future of DNA-based herbal medicine adulteration detection, forecasting the reliance on the metabarcoding technology. DNA barcoding technology for differentiating adulterated herbal medicine.
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13
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DNA-Based Herbal Teas' Authentication: An ITS2 and psbA-trnH Multi-Marker DNA Metabarcoding Approach. PLANTS 2021; 10:plants10102120. [PMID: 34685929 PMCID: PMC8539046 DOI: 10.3390/plants10102120] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/06/2021] [Accepted: 09/25/2021] [Indexed: 11/17/2022]
Abstract
Medicinal plants have been widely used in traditional medicine due to their therapeutic properties. Although they are mostly used as herbal infusion and tincture, employment as ingredients of food supplements is increasing. However, fraud and adulteration are widespread issues. In our study, we aimed at evaluating DNA metabarcoding as a tool to identify product composition. In order to accomplish this, we analyzed fifteen commercial products with DNA metabarcoding, using two barcode regions: psbA-trnH and ITS2. Results showed that on average, 70% (44-100) of the declared ingredients have been identified. The ITS2 marker appears to identify more species (n = 60) than psbA-trnH (n = 35), with an ingredients' identification rate of 52% versus 45%, respectively. Some species are identified only by one marker rather than the other. Additionally, in order to evaluate the quantitative ability of high-throughput sequencing (HTS) to compare the plant component to the corresponding assigned sequences, in the laboratory, we created six mock mixtures of plants starting both from biomass and gDNA. Our analysis also supports the application of DNA metabarcoding for a relative quantitative analysis. These results move towards the application of HTS analysis for studying the composition of herbal teas for medicinal plants' traceability and quality control.
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14
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Raclariu-Manolică AC, Anmarkrud JA, Kierczak M, Rafati N, Thorbek BLG, Schrøder-Nielsen A, de Boer HJ. DNA Metabarcoding for Quality Control of Basil, Oregano, and Paprika. FRONTIERS IN PLANT SCIENCE 2021; 12:665618. [PMID: 34149762 PMCID: PMC8213367 DOI: 10.3389/fpls.2021.665618] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 05/10/2021] [Indexed: 05/31/2023]
Abstract
Herbs and spices are some of the most vulnerable products in terms of fraud and adulteration in the food sector. Although standard analytical methods are accurate for quality control of specific lead or marker compounds, they cannot accurately assess the entire species composition of many marketed products. Complementary analytical approaches are thus often used for comprehensive screening of herbs and spices. In this study we evaluate DNA metabarcoding for the identification and authentication of 62 products, containing basil, oregano, and paprika collected from different retailers and importers in Norway. Our results show varying degrees of discrepancy between the constituent species and those listed on the product labels, despite high product authenticity. We suggest the false positives result from the sensitivity of DNA metabarcoding and filtering thresholds should be integrated into protocols to reduce false positives. Our results highlight how integrating DNA metabarcoding into the toolbox of analytical methods for quality control of fresh and/or processed plant-based food can improve product quality.
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Affiliation(s)
- Ancuţa Cristina Raclariu-Manolică
- Natural History Museum, University of Oslo, Oslo, Norway
- Stejarul Research Centre for Biological Sciences, National Institute of Research and Development for Biological Sciences, Piatra Neamt, Romania
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15
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Metabarcoding reveals low fidelity and presence of toxic species in short chain-of-commercialization of herbal products. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2020.103767] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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16
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Unnikrishnan R, Sumod M, Jayaraj R, Sujanapal P, Dev SA. The efficacy of machine learning algorithm for raw drug authentication in Coscinium fenestratum (Gaertn.) Colebr. employing a DNA barcode database. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2021; 27:605-617. [PMID: 33854287 PMCID: PMC7981360 DOI: 10.1007/s12298-021-00965-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 02/19/2021] [Accepted: 03/02/2021] [Indexed: 05/05/2023]
Abstract
Medicinal plants are a valuable resource for traditional as well as modern medicine. Consequently huge demand has exerted a heavy strain on the existing natural resources. Due to over exploitation and unscientific collection most of the commercially traded ayurvedic plants are in the phase of depletion. Adulteration of expensive raw drugs with inferior taxa has become a common practice to meet the annual demand of the ayurvedic industry. Although there are several recommended methods for proper identification varying from the traditional taxonomic to organoleptic and physiochemical, it is difficult to authenticate ayurvedic raw drugs available in extremely dried, powdered or shredded forms. In this regard, the study addresses proper authentication and illicit trade in Coscinium fenestratum (Gaertn.) Colebr. using CBOL recommended standard barcode regions viz. nuclear ribosomal-Internally Transcribed Spacer (nrDNA- ITS), maturase K (matK), ribulose-1,5-bisphosphate carboxylase/oxygenase large subunit (rbcL), and psbA-trnH spacer regions. Further, an integrated analytical approach employing Maximum Likelihood phylogenetic tree and Machine Learning Approach, Waikato Environment for Knowledge Analysis was employed to prove efficacy of the method. The automated species identification technique, Artificial Intelligence uses the ability of computers to build models that can receive the input data and then conduct statistical analyses which significantly reduces the human labour. Concurrently, scientific management, restoration, cultivation and conservation measures should be given utmost priority to reduce the depletion of wild resources as well as to meet the rapidly increasing demand of the herbal industries.
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Affiliation(s)
- Remya Unnikrishnan
- Forest Genetics and Biotechnology Division, Kerala Forest Research Institute, Peechi, Thrissur, Kerala 680653 India
- Cochin University of Science and Technology, Kochi, Kerala India
| | - M. Sumod
- Sustainable Forest Management Division, Kerala Forest Research Institute, Peechi, Thrissur, Kerala 680653 India
| | - R. Jayaraj
- Forest Ecology and Biodiversity Division, Kerala Forest Research Institute, Peechi, Thrissur, Kerala 680653 India
| | - P. Sujanapal
- Sustainable Forest Management Division, Kerala Forest Research Institute, Peechi, Thrissur, Kerala 680653 India
| | - Suma Arun Dev
- Forest Genetics and Biotechnology Division, Kerala Forest Research Institute, Peechi, Thrissur, Kerala 680653 India
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17
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Yu J, Wu X, Liu C, Newmaster S, Ragupathy S, Kress WJ. Progress in the use of DNA barcodes in the identification and classification of medicinal plants. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 208:111691. [PMID: 33396023 DOI: 10.1016/j.ecoenv.2020.111691] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 11/03/2020] [Accepted: 11/17/2020] [Indexed: 05/27/2023]
Abstract
DNA barcoding is an emerging molecular identification and classification technology that has been applied to medicinal plants since 2008. The application of this technique has greatly ensured the safety and effectiveness of medicinal materials. In this paper, we review the application of DNA barcoding and some related technologies over the past 10 years with respect to improving our knowledge of medicinal plant identification and authentication. From single locus-based DNA barcodes to combined markers to genome-scale levels, DNA barcodes contribute more and more genetic information. At the same time, other technologies, such as high-resolution melting (HRM), have been combined with DNA barcoding. With the development of next-generation sequencing (NGS), metabarcoding technology has also been shown to identify species in mixed samples successfully. As a widely used and effective tool, DNA barcoding will become more useful over time in the field of medicinal plants.
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Affiliation(s)
- Jie Yu
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing 400716, China.
| | - Xi Wu
- Herbal Medicine from Ministry of Education, Engineering Research Center of Chinese Medicine Resources from Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China
| | - Chang Liu
- Herbal Medicine from Ministry of Education, Engineering Research Center of Chinese Medicine Resources from Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China
| | - Steve Newmaster
- Centre for Biodiversity Genomics, Biodiversity Institute of Ontario (BIO), University of Guelph, Guelph, Ontario N1G2W1, Canada
| | - Subramanyam Ragupathy
- Centre for Biodiversity Genomics, Biodiversity Institute of Ontario (BIO), University of Guelph, Guelph, Ontario N1G2W1, Canada
| | - W John Kress
- Department of Botany, MRC-166, National Museum of Natural History, Smithsonian Institution, P. O. Box 37012, Washington, DC 20013-7012, United States.
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18
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Unnikrishnan R, Dev SA, Jayaraj R. Pitfalls and promises of raw drug identification techniques in the ayurvedic industry: an overview. 3 Biotech 2020; 10:497. [PMID: 33150123 DOI: 10.1007/s13205-020-02482-0] [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: 09/27/2019] [Accepted: 10/13/2020] [Indexed: 11/26/2022] Open
Abstract
India, with a rich heritage of floral diversity, is well-known for its medicinal plant wealth and is the largest producer of medicinal herbs in the world. Ethnobiological Survey of Ministry of Environment and Forests (MOEF) could identify 8000 plant species utilized in various systems of medicine with approximately 25,000 effective herbal formulations. The extensive consumption to meet demand-supply ratio exerts a heavy strain on the existing resources. This subsequently led to the adulteration and substitution of medicinal plants with look-alike species. The consumer's faith on herbal medicine is in the phase of decline due to the extremities in adulteration/substitution and ensuing consequences. It is imperative to bring forth universally acceptable standard tools to authenticate raw drugs before being processed further into formulations. A vast array of techniques such as physical, chemical (analytical), biochemical, anatomical, organoleptic, and recently emerged DNA based molecular methods are widely used for plant species authentication. In recent years, DNA barcoding has made remarkable progress in the field of medicinal plants research. DNA metabarcoding is the latest development for qualitative evaluation of the herbal formulations, whereas for quantitative analysis, combination of pharmacognostic, pharmacovigilance and analytical methods are inevitable for authentication. This review addresses the overall strengths and shortcomings of the existing as well as recently emerged techniques in authenticating ayurvedic raw drugs.
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Affiliation(s)
- Remya Unnikrishnan
- Forest Genetics and Biotechnology Division, Kerala Forest Research Institute, Peechi, Thrissur, Kerala India
- Cochin University of Science & Technology, Kochi, Kerala India
| | - Suma Arun Dev
- Forest Genetics and Biotechnology Division, Kerala Forest Research Institute, Peechi, Thrissur, Kerala India
| | - R Jayaraj
- Forest Ecology and Biodiversity Division, Kerala Forest Research Institute, Peechi, Thrissur, Kerala India
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19
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DNA metabarcoding to unravel plant species composition in selected herbal medicines on the National List of Essential Medicines (NLEM) of Thailand. Sci Rep 2020; 10:18259. [PMID: 33106579 PMCID: PMC7588419 DOI: 10.1038/s41598-020-75305-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 09/28/2020] [Indexed: 01/25/2023] Open
Abstract
Traditional medicines are widely traded across the globe and have received considerable attention in the recent past, with expectations of heightened demand in the future. However, there are increasing global concerns over admixture, which can affect the quality, safety, and efficacy of herbal medicinal products. In this study, we aimed to use DNA metabarcoding to identify 39 Thai herbal products on the Thai National List of Essential Medicines (NLEM) and assess species composition and admixture. Among the products, 24 samples were in-house-prepared formulations, and 15 samples were registered formulations. In our study, DNA metabarcoding analysis using ITS2 and rbcL barcode regions were employed to identify herbal ingredients mentioned in the products. The nuclear region, ITS2, was able to identify herbal ingredients in the products at the genus- and family-levels in 55% and 63% of cases, respectively. The chloroplast gene, rbcL, enabled genus- and family-level identifications in 58% and 73% of cases, respectively. In addition, plant species were detected in larger numbers (Family identified, absolute %) in registered herbal products than in in-house-prepared formulations. The level of fidelity increases concerns about the reliability of the products. This study highlights that DNA metabarcoding is a useful analytical tool when combined with advanced chemical techniques for the identification of plant species in highly processed, multi-ingredient herbal products.
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20
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Hoban CL, Musgrave IF, Byard RW, Nash C, Farrington R, Maker G, Crighton E, Bunce M, Coghlan M. Combined Liquid Chromatography-mass Spectrometry and Next-generation DNA Sequencing Detection of Adulterants and Contaminants in Analgesic and Anti-inflammatory Herbal Medicines. Pharmaceut Med 2020; 34:49-61. [PMID: 32048209 DOI: 10.1007/s40290-019-00314-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Methods for assessing the quality of herbal medicine preparations have advanced significantly in recent years in conjunction with increases in herbal medicine use and reports of adulteration and contamination. OBJECTIVE This study examined the quality of analgesic and anti-inflammatory herbal medicine preparations available on the Australian market by detecting the presence of listed ingredients, adulterants and contaminants. METHODS Forty-nine analgesic and anti-inflammatory herbal medicine preparations were randomly sourced from Australian capital cities. They were audited using a dual approach of liquid chromatography-mass spectrometry (LC-MS) combined with next-generation DNA sequencing. Once screened, a comparison of listed ingredients with verified ingredients was conducted to determine the accuracy of labelling, and the extent of adulteration and contamination. RESULTS Twenty-six of 49 (53%) herbal medicines were adulterated or contaminated with undeclared ingredients. LC-MS revealed the presence of pharmaceutical adulterants including atropine and ephedrine. DNA sequencing uncovered concerning levels of herbal substitution, adulteration and contamination, including the use of fillers (alfalfa, wheat and soy), as well as pharmacologically relevant species (Centella asiatica, Panax ginseng, Bupleurum and Passiflora). Pig/boar and bird DNA was found in some preparations, inferring substandard manufacturing practices. Of the 26 contaminated samples, 19 (73%) were manufactured in Australia, and 7 (27%) were imported from other countries (6 from China, 1 from New Zealand). In 23 of 49 (47%) herbal medicine samples, no biological ingredients were detected at all. These were predominantly pain and anti-inflammatory preparations such as glucosamine and eicosapentaenoic and docosahexaenoic acids found in krill and fish oils, so DNA would not be expected to survive the manufacturing process. CONCLUSION The high level of contamination and substitution of herbal medicine preparations sourced from Australian dispensaries supports the need for more stringent pharmacovigilance measures in Australia and abroad.
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Affiliation(s)
- Claire L Hoban
- Adelaide Medical School, The University of Adelaide, Adelaide, SA, 5005, Australia.
| | - Ian F Musgrave
- Adelaide Medical School, The University of Adelaide, Adelaide, SA, 5005, Australia
| | - Roger W Byard
- Adelaide Medical School, The University of Adelaide, Adelaide, SA, 5005, Australia.,Forensic Science SA, Adelaide, SA, 5000, Australia
| | | | - Rachael Farrington
- Adelaide Medical School, The University of Adelaide, Adelaide, SA, 5005, Australia
| | - Garth Maker
- Separation Science and Metabolomics Laboratory and the Advanced Mass Spectrometry Facility, Murdoch University, South St, Murdoch, WA, 6150, Australia.,School of Veterinary and Life Sciences, Murdoch University, South St, Murdoch, WA, 6150, Australia
| | - Elly Crighton
- Separation Science and Metabolomics Laboratory and the Advanced Mass Spectrometry Facility, Murdoch University, South St, Murdoch, WA, 6150, Australia.,School of Veterinary and Life Sciences, Murdoch University, South St, Murdoch, WA, 6150, Australia
| | - Michael Bunce
- Trace and Environmental DNA Laboratory, Department of Environment and Agriculture, Curtin University, Bentley, WA, 6845, Australia
| | - Megan Coghlan
- Trace and Environmental DNA Laboratory, Department of Environment and Agriculture, Curtin University, Bentley, WA, 6845, Australia
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21
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Dimitrova PA, Alipieva K, Grozdanova T, Leseva M, Gerginova D, Simova S, Marchev AS, Bankova V, Georgiev MI, Popova MP. Veronica austriaca L. Extract and Arbutin Expand Mature Double TNF-α/IFN-γ Neutrophils in Murine Bone Marrow Pool. Molecules 2020; 25:molecules25153410. [PMID: 32731392 PMCID: PMC7435612 DOI: 10.3390/molecules25153410] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 12/03/2022] Open
Abstract
Plants from the Veronica genus are used across the world as traditional remedies. In the present study, extracts from the aerial part of the scarcely investigated Veronica austriaca L., collected from two habitats in Bulgaria—the Balkan Mountains (Vau-1) and the Rhodopi Mountains (Vau-2), were analyzed by nuclear magnetic resonance (NMR) spectroscopy. The secondary metabolite, arbutin, was identified as a major constituent in both extracts, and further quantified by high-performance liquid chromatography (HPLC), while catalpol, aucubin and verbascoside were detected at lower amounts. The effect of the extracts and of pure arbutin on the survival of neutrophils isolated from murine bone marrow (BM) were determined by colorimetric assay. The production of cytokines—tumor necrosis factor (TNF)-α and interferon (IFN)-γ was evaluated by flowcytometry. While Vau-1 inhibited neutrophil vitality in a dose-dependent manner, arbutin stimulated the survival of neutrophils at lower concentrations, and inhibited cell density at higher concentrations. The Vau-1 increased the level of intracellular TNF-α, while Vau-2 and arbutin failed to do so, and expanded the frequency of mature double TNF-α+/IFN-γhi neutrophils within the BM pool.
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Affiliation(s)
- Petya A. Dimitrova
- Department of Immunology, The Stefan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, bl. 26 Acad. Georgi Bonchev Str., 1113 Sofia, Bulgaria; (P.A.D.); (M.L.)
| | - Kalina Alipieva
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, bl. 9 Acad. Georgi Bonchev Str., 1113 Sofia, Bulgaria; (T.G.); (D.G.); (S.S.); (V.B.); (M.P.P.)
- Correspondence: ; Tel.: +359-2-960-6137
| | - Tsvetinka Grozdanova
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, bl. 9 Acad. Georgi Bonchev Str., 1113 Sofia, Bulgaria; (T.G.); (D.G.); (S.S.); (V.B.); (M.P.P.)
| | - Milena Leseva
- Department of Immunology, The Stefan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, bl. 26 Acad. Georgi Bonchev Str., 1113 Sofia, Bulgaria; (P.A.D.); (M.L.)
| | - Dessislava Gerginova
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, bl. 9 Acad. Georgi Bonchev Str., 1113 Sofia, Bulgaria; (T.G.); (D.G.); (S.S.); (V.B.); (M.P.P.)
| | - Svetlana Simova
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, bl. 9 Acad. Georgi Bonchev Str., 1113 Sofia, Bulgaria; (T.G.); (D.G.); (S.S.); (V.B.); (M.P.P.)
| | - Andrey S. Marchev
- Laboratory of Metabolomics, The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, 139 Ruski Blvd., 4000 Plovdiv, Bulgaria; (A.S.M.); (M.I.G.)
| | - Vassya Bankova
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, bl. 9 Acad. Georgi Bonchev Str., 1113 Sofia, Bulgaria; (T.G.); (D.G.); (S.S.); (V.B.); (M.P.P.)
| | - Milen I. Georgiev
- Laboratory of Metabolomics, The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, 139 Ruski Blvd., 4000 Plovdiv, Bulgaria; (A.S.M.); (M.I.G.)
| | - Milena P. Popova
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, bl. 9 Acad. Georgi Bonchev Str., 1113 Sofia, Bulgaria; (T.G.); (D.G.); (S.S.); (V.B.); (M.P.P.)
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22
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Veldman S, Ju Y, Otieno JN, Abihudi S, Posthouwer C, Gravendeel B, van Andel TR, de Boer HJ. DNA barcoding augments conventional methods for identification of medicinal plant species traded at Tanzanian markets. JOURNAL OF ETHNOPHARMACOLOGY 2020; 250:112495. [PMID: 31877364 DOI: 10.1016/j.jep.2019.112495] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 11/25/2019] [Accepted: 12/19/2019] [Indexed: 05/27/2023]
Abstract
ETHNOPHARMALOGICAL RELEVANCE In Africa, traditional medicine is important for local healthcare and plants used for these purposes are commonly traded. Identifying medicinal plants sold on markets is challenging, as leaves, barks and roots are often fragmented or powdered. Vernacular names are often homonymic, and identification of material lacking sufficient morphological characters is time-consuming, season-dependent and might lead to incorrect assessments of commercialised species diversity. AIM OF THE STUDY In this study, we identified cases of vernacular heterogeneity of medicinal plants using a tiered approach of literature research, morphology and DNA barcoding. MATERIAL AND METHODS A total of 870 single ingredient medicinal plant samples corresponding to 452 local names were purchased from herbal markets in Dar-es-Salaam and Tanga, Tanzania, and identified using conventional methods as well as DNA barcoding using rbcL, matK and nrITS. RESULTS Using conventional methods, we could identify 70% of samples to at least family level, while 62% yielded a DNA barcode for at least one of the three markers. Combining conventional methods and DNA barcoding, 76% of the samples could be identified to species level, revealing a diversity of at least 175 species in 65 plant families. Analysis of the market samples revealed 80 cases of multilingualism and over- and under-differentiation. Afzelia quanzensis Welw., Zanthoxylum spp., Allophylus spp. and Albizia anthelmintica Brongn. were the most evident cases of multilingualism and over-differentiation, as they were traded under 8-12 vernacular names in up to five local languages. The most obvious case of under-differentiation was mwingajini (Swahili), which matched to eight scientific species in five different plant families. CONCLUSIONS Use of a tiered approach increases the identification success of medicinal plants sold in local market and corroborates findings that DNA barcoding can elucidate the identity of material that is unidentifiable based on morphology and literature as well as verify or disqualify these identifications. Results of this study can be used as a basis for quantitative market surveys of fragmented herbal medicine and to investigate conservation issues associated with this trade.
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Affiliation(s)
- Sarina Veldman
- Department of Systematic Biology, Evolutionary Biology Center, Uppsala University, Norbyvägen 18D, SE-75236, Uppsala, Sweden; Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA, Leiden, the Netherlands.
| | - Yingzi Ju
- Department of Systematic Biology, Evolutionary Biology Center, Uppsala University, Norbyvägen 18D, SE-75236, Uppsala, Sweden
| | - Joseph N Otieno
- Institute of Traditional Medicine Muhimbili University of Health and Allied Sciences, P.O.Box 65001, Dar es Salaam, Tanzania
| | - Siri Abihudi
- Institute of Traditional Medicine Muhimbili University of Health and Allied Sciences, P.O.Box 65001, Dar es Salaam, Tanzania; Nelson Mandela African Institution for Science and Technology (NM-AIST), P.O. Box 447, Arusha, Tanzania
| | - Chantal Posthouwer
- Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA, Leiden, the Netherlands
| | - Barbara Gravendeel
- Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA, Leiden, the Netherlands; University of Applied Sciences Leiden, Leiden, the Netherlands
| | - Tinde R van Andel
- Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA, Leiden, the Netherlands
| | - Hugo J de Boer
- Department of Systematic Biology, Evolutionary Biology Center, Uppsala University, Norbyvägen 18D, SE-75236, Uppsala, Sweden; Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA, Leiden, the Netherlands; Natural History Museum, University of Oslo, Norway
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Grazina L, Amaral JS, Mafra I. Botanical origin authentication of dietary supplements by DNA‐based approaches. Compr Rev Food Sci Food Saf 2020; 19:1080-1109. [DOI: 10.1111/1541-4337.12551] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 01/22/2020] [Accepted: 02/06/2020] [Indexed: 12/14/2022]
Affiliation(s)
- Liliana Grazina
- REQUIMTE‐LAQV, Faculdade de FarmáciaUniversidade do Porto Porto Portugal
| | - Joana S. Amaral
- Centro de Investigação de Montanha (CIMO)Instituto Politécnico de Bragança Bragança Portugal
| | - Isabel Mafra
- REQUIMTE‐LAQV, Faculdade de FarmáciaUniversidade do Porto Porto Portugal
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Lo YT, Shaw PC. Application of next-generation sequencing for the identification of herbal products. Biotechnol Adv 2019; 37:107450. [DOI: 10.1016/j.biotechadv.2019.107450] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 09/10/2019] [Accepted: 09/10/2019] [Indexed: 12/17/2022]
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25
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Salehi B, Shivaprasad Shetty M, V Anil Kumar N, Živković J, Calina D, Oana Docea A, Emamzadeh-Yazdi S, Sibel Kılıç C, Goloshvili T, Nicola S, Pignata G, Sharopov F, Del Mar Contreras M, Cho WC, Martins N, Sharifi-Rad J. Veronica Plants-Drifting from Farm to Traditional Healing, Food Application, and Phytopharmacology. Molecules 2019; 24:E2454. [PMID: 31277407 PMCID: PMC6651156 DOI: 10.3390/molecules24132454] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 06/28/2019] [Accepted: 06/30/2019] [Indexed: 01/23/2023] Open
Abstract
The Veronica genus, with more than 200 species, belongs to the Plantaginaceae family and is distributed over most of the Northern Hemisphere and in many parts of Southern Hemisphere. These plants are traditionally used in medicine for wound healing, in the treatment of rheumatism, and in different human diseases. This paper reviews the chemical composition of some valuable Veronica species, the possibilities Veronica extracts have in food preservation and as food ingredients, and their functional properties. Veronica species represent a valuable source of biological active secondary metabolites, including iridoid glycosides and phenolic compounds. In particular, due to presence of these phytochemicals, Veronica species exhibit a wide spectrum of biological activities, including antimicrobial and antioxidant. In fact, some studies suggest that some Veronica extracts can inhibit foodborne pathogens, such as Listeria monocytogenes, but only a few of them were performed in food systems. Moreover, anticancer, anti-inflammatory, and other bioactivities were reported in vitro and in vivo. The bioactivity of Veronica plants was demonstrated, but further studies in food systems and in humans are required.
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Affiliation(s)
- Bahare Salehi
- Student Research Committee, School of Medicine, Bam University of Medical Sciences, Bam 44340847, Iran
| | | | - Nanjangud V Anil Kumar
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, India
| | - Jelena Živković
- Institute for Medicinal Plants Research "Dr. Josif Pančić", Tadeuša Košćuška 1, Belgrade 11000, Serbia
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
| | - Anca Oana Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
| | - Simin Emamzadeh-Yazdi
- Department of Plant and Soil Sciences, University of Pretoria, Gauteng 0002, South Africa
| | - Ceyda Sibel Kılıç
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Ankara University, Ankara 06100, Turkey
| | - Tamar Goloshvili
- Department of Plant Physiology and Genetic Resources, Institute of Botany, Ilia State University, Tbilisi 0162, Georgia
| | - Silvana Nicola
- Department of Agricultural, Forest and Food Sciences, University of Turin, I-10095 Grugliasco, Italy
| | - Giuseppe Pignata
- Department of Agricultural, Forest and Food Sciences, University of Turin, I-10095 Grugliasco, Italy
| | - Farukh Sharopov
- Department of Pharmaceutical Technology, Avicenna Tajik State Medical University, Rudaki 139, Dushanbe 734003, Tajikistan.
| | - María Del Mar Contreras
- Department of Chemical, Environmental and Materials Engineering, University of Jaén, 23071 Jaén, Spain.
| | - William C Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong SAR 999077, China.
| | - Natália Martins
- Faculty of Medicine, University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal.
- Institute for Research and Innovation in Health (i3S), University of Porto-Portugal, 4200-135 Porto, Portugal.
| | - Javad Sharifi-Rad
- Zabol Medicinal Plants Research Center, Zabol University of Medical Sciences, Zabol 61615-585, Iran.
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Ragupathy S, Faller AC, Shanmughanandhan D, Kesanakurti P, Shaanker RU, Ravikanth G, Sathishkumar R, Mathivanan N, Song J, Han J, Newmaster S. Exploring DNA quantity and quality from raw materials to botanical extracts. Heliyon 2019; 5:e01935. [PMID: 31245647 PMCID: PMC6582161 DOI: 10.1016/j.heliyon.2019.e01935] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 05/23/2019] [Accepted: 06/06/2019] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVES The aim of this study was to explore the variability in DNA quality and quantity along a gradient of industrial processing of botanical ingredients from raw materials to extracts. METHODS A data matrix was assembled for 1242 botanical ingredient samples along a gradient of industrial processing commonly used in the Natural Health Product (NHP) industry. Multivariate statistics was used to explore dependant variables for quality and quantity. The success of attaining a positive DNA test result along a gradient of industrial processing was compared among four biotechnologies: DNA barcoding, NGS, Sanger sequencing and qPCR. RESULTS There was considerable variance in DNA quality and quantity among the samples, which could be interpreted along a gradient from raw materials with greater quantities (50-120 ng/μL) of DNA and longer DNA (400-500bp) sequences to extracts, which were characterized by lower quantities (0.1-10.0 ng/μL) and short fragments (50-150bp). CONCLUSIONS Targeted molecular diagnostic tests for species identity can be used in the NHP industry for raw and processed samples. Non-targeted tests or the use of NGS for any identity test needs considerable research and development and must be validated before it can be used in commercial operations as these methods are subject to considerable risk of false negative and positive results. Proper use of these tools can be used to ensure ingredient authenticity, and to avert adulteration, and contamination with plants that are a health concern. Lastly these tools can be used to prevent the exploitation of rare herbal species and the harvesting of native biodiversity for commercial purposes.
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Affiliation(s)
- Subramanyam Ragupathy
- NHP Research Alliance, College of Biological Sciences, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - Adam C. Faller
- NHP Research Alliance, College of Biological Sciences, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - Dhivya Shanmughanandhan
- NHP Research Alliance, College of Biological Sciences, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - Prasad Kesanakurti
- NHP Research Alliance, College of Biological Sciences, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - R. Uma Shaanker
- Department of Crop Physiology and School of Ecology and Conservation, University of Agricultural Sciences, GKVK, Bangalore, 560065, India
| | - Gudasalamani Ravikanth
- Conservation Genetics Lab, Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Jakkur PO, Bengaluru, 560064, India
| | - Ramalingam Sathishkumar
- Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Narayanasamy Mathivanan
- Centre for Advanced Studies in Botany, University of Madras Guindy Campus, Chennai, 600 025, Tamil Nadu, India
| | - Jingyuan Song
- Engineering Research Center of Traditional Chinese Medicine Resource, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
| | - Jianping Han
- Engineering Research Center of Traditional Chinese Medicine Resource, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China
| | - Steven Newmaster
- NHP Research Alliance, College of Biological Sciences, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
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Morello L, Braglia L, Gavazzi F, Gianì S, Breviario D. Tubulin-Based DNA Barcode: Principle and Applications to Complex Food Matrices. Genes (Basel) 2019; 10:genes10030229. [PMID: 30889932 PMCID: PMC6471244 DOI: 10.3390/genes10030229] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 03/14/2019] [Accepted: 03/14/2019] [Indexed: 12/13/2022] Open
Abstract
The DNA polymorphism diffusely present in the introns of the members of the Eukaryotic beta-tubulin gene families, can be conveniently used to establish a DNA barcoding method, named tubulin-based polymorphism (TBP), that can reliably assign specific genomic fingerprintings to any plant or/and animal species. Similarly, many plant varieties can also be barcoded by TBP. The method is based on a simple cell biology concept that finds a conveniently exploitable molecular basis. It does not depend on DNA sequencing as the most classically established DNA barcode strategies. Successful applications, diversified for the different target sequences or experimental purposes, have been reported in many different plant species and, of late, a new a version applicable to animal species, including fishes, has been developed. Also, the TBP method is currently used for the genetic authentication of plant material and derived food products. Due to the use of a couple of universal primer pairs, specific for plant and animal organisms, respectively, it is effective in metabarcoding a complex matrix allowing an easy and rapid recognition of the different species present in a mixture. A simple, dedicated database made up by the genomic profile of reference materials is also part of the analytical procedure. Here we will provide some example of the TBP application and will discuss its features and uses in comparison with the DNA sequencing-based methods.
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Key Words
- The DNA polymorphism diffusely present in the introns of the members of the Eukaryotic beta-tubulin gene families, can be conveniently used to establish a DNA barcoding method, named tubulin-based polymorphism (TBP), that can reliably assign specific genomic fingerprintings to any plant or/and animal species. Similarly, many plant varieties can also be barcoded by TBP. The method is based on a simple cell biology concept that finds a conveniently exploitable molecular basis. It does not depend on DNA sequencing as the most classically established DNA barcode strategies. Successful applications, diversified for the different target sequences or experimental purposes, have been reported in many different plant species and, of late, a new a version applicable to animal species, including fishes, has been developed. Also, the TBP method is currently used for the genetic authentication of plant material and derived food products. Due to the use of a couple of universal primer pairs, specific for plant and animal organisms, respectively, it is effective in metabarcoding a complex matrix allowing an easy and rapid recognition of the different species present in a mixture. A simple, dedicated database made up by the genomic profile of reference materials is also part of the analytical procedure. Here we will provide some example of the TBP application and will discuss its features and uses in comparison with the DNA sequencing-based methods.
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Affiliation(s)
- Laura Morello
- Istituto Biologia e Biotecnologia Agraria, Via Adolfo Corti 12, 20131 Milano, Italy.
| | - Luca Braglia
- Istituto Biologia e Biotecnologia Agraria, Via Adolfo Corti 12, 20131 Milano, Italy.
| | - Floriana Gavazzi
- Istituto Biologia e Biotecnologia Agraria, Via Adolfo Corti 12, 20131 Milano, Italy.
| | - Silvia Gianì
- Istituto Biologia e Biotecnologia Agraria, Via Adolfo Corti 12, 20131 Milano, Italy.
| | - Diego Breviario
- Istituto Biologia e Biotecnologia Agraria, Via Adolfo Corti 12, 20131 Milano, Italy.
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Seethapathy GS, Raclariu-Manolica AC, Anmarkrud JA, Wangensteen H, de Boer HJ. DNA Metabarcoding Authentication of Ayurvedic Herbal Products on the European Market Raises Concerns of Quality and Fidelity. FRONTIERS IN PLANT SCIENCE 2019; 10:68. [PMID: 30804961 PMCID: PMC6370972 DOI: 10.3389/fpls.2019.00068] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 01/17/2019] [Indexed: 05/30/2023]
Abstract
Ayurveda is one of the oldest systems of medicine in the world, but the growing commercial interest in Ayurveda based products has increased the incentive for adulteration and substitution within this herbal market. Fraudulent practices such as the use of undeclared fillers and use of other species of inferior quality is driven both by the increased as well as insufficient supply capacity of especially wild plant species. Developing novel strategies to exhaustively assess and monitor both the quality of raw materials and final marketed herbal products is a challenge in herbal pharmacovigilance. Seventy-nine Ayurvedic herbal products sold as tablets, capsules, powders, and extracts were randomly purchased via e-commerce and pharmacies across Europe, and DNA metabarcoding was used to assess the ability of this method to authenticate these products. Our analysis reveals that only two out of 12 single ingredient products contained only one species as labeled, eight out of 27 multiple ingredient products contained none of the species listed on the label, and the remaining 19 products contained 1 to 5 of the species listed on the label along with many other species not specified on the label. The fidelity for single ingredient products was 67%, the overall ingredient fidelity for multi ingredient products was 21%, and for all products 24%. The low level of fidelity raises concerns about the reliability of the products, and detection of threatened species raises further concerns about illegal plant trade. The study highlights the necessity for quality control of the marketed herbal products and shows that DNA metabarcoding is an effective analytical approach to authenticate complex multi ingredient herbal products. However, effort needs to be done to standardize the protocols for DNA metabarcoding before this approach can be implemented as routine analytical approaches for plant identification, and approved for use in regulated procedures.
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Affiliation(s)
- Gopalakrishnan Saroja Seethapathy
- Natural History Museum, University of Oslo, Oslo, Norway
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Oslo, Oslo, Norway
| | - Ancuta-Cristina Raclariu-Manolica
- Natural History Museum, University of Oslo, Oslo, Norway
- Stejarul Research Centre for Biological Sciences, National Institute of Research and Development for Biological Sciences, Piatra Neamt, Romania
| | | | - Helle Wangensteen
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Oslo, Oslo, Norway
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Gao Z, Liu Y, Wang X, Wei X, Han J. DNA Mini-Barcoding: A Derived Barcoding Method for Herbal Molecular Identification. FRONTIERS IN PLANT SCIENCE 2019; 10:987. [PMID: 31555305 PMCID: PMC6724574 DOI: 10.3389/fpls.2019.00987] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 07/12/2019] [Indexed: 05/06/2023]
Abstract
In recent years, the demand for natural herbal products (NHP) has increased; however, the quality of these products is difficult to confirm due to the lack of a comprehensive quality control system. Traditional methods are not effective in detecting processed ingredients. DNA barcoding is an established technique that has been used for more than 10 years. This technique uses short standard sequences (generally 200-600 bp) to identify species. While a complete DNA barcode is difficult to obtain from NHP due to DNA degradation, mini-barcoding is a complementary tool to identify species in NHP. DNA mini-barcoding uses smaller DNA segments for polymerase chain reaction amplification and can be applied to identify species rapidly. The present review summarizes the development and application of DNA mini-barcodes over recent years and discusses the limitations of this technique. This review also compares mini-barcoding and meta-barcoding, a technique using universal polymerase chain reaction primers to simultaneously amplify multiple DNA barcodes and identify many species in a single environmental sample. Additionally, other detection methods that can be combined with mini-barcodes, such as nucleotide signatures, high-resolution DNA melting analysis, and gold nanoparticles, are discussed. DNA mini-barcoding can fill the gaps left by other methods in the field of herbal molecular identification.
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Tnah L, Lee S, Tan A, Lee C, Ng K, Ng C, Nurul Farhanah Z. DNA barcode database of common herbal plants in the tropics: a resource for herbal product authentication. Food Control 2019. [DOI: 10.1016/j.foodcont.2018.08.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Xin T, Su C, Lin Y, Wang S, Xu Z, Song J. Precise species detection of traditional Chinese patent medicine by shotgun metagenomic sequencing. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 47:40-47. [PMID: 30166107 DOI: 10.1016/j.phymed.2018.04.048] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 03/19/2018] [Accepted: 04/17/2018] [Indexed: 05/22/2023]
Abstract
BACKGROUND Current quality control methods for traditional Chinese patent medicines (TCPMs), e.g., microscopy, thin-layer chromatography (TLC), and high-performance liquid chromatography (HPLC), cannot detect herbal species composition with adequate precision. To address this issue, more effective detection methods should be explored. HYPOTHESIS/PURPOSE We hypothesized that shotgun metagenomic sequencing can fulfill the requirements for the species detection of multi-ingredient TCPMs. METHODS Longdan Xiegan Wan (LDXGW), once thought to be the chief culprit in aristolochic acid nephropathy (AAN), was selected to establish the method. It was used for both reference and commercial LDXGW samples. The precision authentication of herbal species contained in multi-ingredient TCPM is based on the shotgun metagenomic sequencing of genomic DNA without PCR amplification. Chemical analyses were also conducted as a contrast test. RESULTS Over 100 G of raw data was obtained, and this value represented more than 0.75 billion reads. After assembling and filtering all the reads, a total of 261 contigs were obtained, which belonged to the ITS2, psbA-trnH, and matK regions of the reference and commercial samples. Because the homology of the rbcL region was high, it was not analyzed in the HTS data. Bioinformatics analysis indicated that the ITS2 region, as a DNA barcode, showed the highest identification efficiency. It could successfully detect all prescribed species, including four processed herbal ingredients, in the lab-made reference samples. The commercial samples all met the requirements of the Chinese Pharmacopoeia according to the TLC and HPLC tests. However, the shotgun metagenomic sequencing detected the substitution of Akebiae Caulis (Mutong) in the commercial samples, while the chemical analyses could not distinguish. CONCLUSION The results highlight that shotgun metagenomic sequencing is a complementary method for the precise species detection of TCPMs.
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Affiliation(s)
- Tianyi Xin
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Peking Union Medical College & Chinese Academy of Medical Sciences, No.151, Malianwa North Road, Haidian District, Beijing 100193, PR China
| | - Chang Su
- Shenzhen Institute for Drug Control, Shenzhen 518057, PR China
| | - Yulin Lin
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Peking Union Medical College & Chinese Academy of Medical Sciences, No.151, Malianwa North Road, Haidian District, Beijing 100193, PR China
| | - Shuhong Wang
- Shenzhen Institute for Drug Control, Shenzhen 518057, PR China
| | - Zhichao Xu
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Peking Union Medical College & Chinese Academy of Medical Sciences, No.151, Malianwa North Road, Haidian District, Beijing 100193, PR China.
| | - Jingyuan Song
- Key Lab of Chinese Medicine Resources Conservation, State Administration of Traditional Chinese Medicine of the People's Republic of China, Institute of Medicinal Plant Development, Peking Union Medical College & Chinese Academy of Medical Sciences, No.151, Malianwa North Road, Haidian District, Beijing 100193, PR China.
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Emenyeonu LC, Croxford AE, Wilkinson MJ. The potential of aerosol eDNA sampling for the characterisation of commercial seed lots. PLoS One 2018; 13:e0201617. [PMID: 30067814 PMCID: PMC6070268 DOI: 10.1371/journal.pone.0201617] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Accepted: 07/18/2018] [Indexed: 11/28/2022] Open
Abstract
Seed shipments, silos and storage houses often contain weed seeds or seeds of restricted crops such as undeclared genetically modified (GM) varieties. Random sub-sampling is the favoured approach to detect unwanted biological materials in seed lots but is prohibitively expensive or else ineffective for the huge volumes of seeds moved in commercial operations. This study uses maize and cowpea seed admixtures as an exemplar to evaluate the feasibility of using aerosol sampling of "seed dust" as an alternative to seed sub-sampling. In an initial calibration phase, qPCR of the rbcL barcode followed by high-resolution melting (HRM) of a DNA titration series revealed a strong linear relationship between mix composition and HRM profiles. However, the relationship became skewed when flour mixes were used to build the titration, implying a DNA extraction bias favouring cowpea. Aerosol samples of seed dust above a titration of mixed seed samples were then collected along vertical and lateral axes. Aerosols were characterised by light microscopy, qPCR-HRM and next-generation DNA sequencing (Illumina MiSeq). Both molecular approaches again showed bias but this time in a reverse direction to flour samples. Microscopic examination of the aerosol sample suggested this divergence could be attributed to differences in abundance of airborne starch particles. Despite the bias, it was nevertheless possible to estimate relative abundance of each species using the abundance of minibarcodes. In light of these results we explore the feasibility of aerosol sampling for commercial seed lot characterisation.
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Affiliation(s)
- Lorretha C. Emenyeonu
- School of Agriculture, Food and Wine, Waite Campus, Urrbrae, The University of Adelaide, Adelaide, SA, Australia
| | - Adam E. Croxford
- School of Agriculture, Food and Wine, Waite Campus, Urrbrae, The University of Adelaide, Adelaide, SA, Australia
| | - Mike J. Wilkinson
- Pwllpeiran Upland Research Centre, Institute of Biological, Environmental & Rural Sciences, Aberystwyth University, Penglais, Aberystwyth, Ceredigion, United Kingdom
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Seethapathy GS, Tadesse M, Urumarudappa SKJ, V Gunaga S, Vasudeva R, Malterud KE, Shaanker RU, de Boer HJ, Ravikanth G, Wangensteen H. Authentication of Garcinia fruits and food supplements using DNA barcoding and NMR spectroscopy. Sci Rep 2018. [PMID: 30002410 DOI: 10.1038/s41598-018-28635] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023] Open
Abstract
Garcinia L. (Clusiaceae) fruits are a rich source of (-)-hydroxycitric acid, and this has gained considerable attention as an anti-obesity agent and a popular weight loss food supplement. In this study, we assessed adulteration of morphologically similar samples of Garcinia using DNA barcoding, and used NMR to quantify the content of (-)-hydroxycitric acid and (-)-hydroxycitric acid lactone in raw herbal drugs and Garcinia food supplements. DNA barcoding revealed that mostly G. gummi-gutta (previously known as G. cambogia) and G. indica were traded in Indian herbal markets, and there was no adulteration. The content of (-)-hydroxycitric acid and (-)-hydroxycitric acid lactone in the two species varied from 1.7% to 16.3%, and 3.5% to 20.7% respectively. Analysis of ten Garcinia food supplements revealed a large variation in the content of (-)-hydroxycitric acid, from 29 mg (4.6%) to 289 mg (50.6%) content per capsule or tablet. Only one product contained quantifiable amounts of (-)-hydroxycitric acid lactone. Furthermore the study demonstrates that DNA barcoding and NMR could be effectively used as a regulatory tool to authenticate Garcinia fruit rinds and food supplements.
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Affiliation(s)
- Gopalakrishnan Saroja Seethapathy
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Oslo, P.O. Box 1068, Blindern, 0316, Oslo, Norway
- Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Jakkur Post, Bangalore, 560064, India
- Natural History Museum, University of Oslo, P.O. Box 1172, 0318, Oslo, Norway
| | - Margey Tadesse
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Oslo, P.O. Box 1068, Blindern, 0316, Oslo, Norway
| | - Santhosh Kumar J Urumarudappa
- Department of Crop Physiology, School of Ecology and Conservation, University of Agricultural Sciences, Gandhi Krishi Vigyan Kendra, Bangalore, 560065, India
| | - Srikanth V Gunaga
- Department of Forest Biology, College of Forestry, University of Agricultural Sciences, Sirsi, 581401, India
| | - Ramesh Vasudeva
- Department of Forest Biology, College of Forestry, University of Agricultural Sciences, Sirsi, 581401, India
| | - Karl Egil Malterud
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Oslo, P.O. Box 1068, Blindern, 0316, Oslo, Norway
| | - Ramanan Uma Shaanker
- Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Jakkur Post, Bangalore, 560064, India
- Department of Crop Physiology, School of Ecology and Conservation, University of Agricultural Sciences, Gandhi Krishi Vigyan Kendra, Bangalore, 560065, India
| | - Hugo J de Boer
- Natural History Museum, University of Oslo, P.O. Box 1172, 0318, Oslo, Norway
| | - Gudasalamani Ravikanth
- Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Srirampura, Jakkur Post, Bangalore, 560064, India.
| | - Helle Wangensteen
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Oslo, P.O. Box 1068, Blindern, 0316, Oslo, Norway.
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Authentication of Garcinia fruits and food supplements using DNA barcoding and NMR spectroscopy. Sci Rep 2018; 8:10561. [PMID: 30002410 PMCID: PMC6043575 DOI: 10.1038/s41598-018-28635-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 06/26/2018] [Indexed: 12/27/2022] Open
Abstract
Garcinia L. (Clusiaceae) fruits are a rich source of (−)-hydroxycitric acid, and this has gained considerable attention as an anti-obesity agent and a popular weight loss food supplement. In this study, we assessed adulteration of morphologically similar samples of Garcinia using DNA barcoding, and used NMR to quantify the content of (−)-hydroxycitric acid and (−)-hydroxycitric acid lactone in raw herbal drugs and Garcinia food supplements. DNA barcoding revealed that mostly G. gummi-gutta (previously known as G. cambogia) and G. indica were traded in Indian herbal markets, and there was no adulteration. The content of (−)-hydroxycitric acid and (−)-hydroxycitric acid lactone in the two species varied from 1.7% to 16.3%, and 3.5% to 20.7% respectively. Analysis of ten Garcinia food supplements revealed a large variation in the content of (−)-hydroxycitric acid, from 29 mg (4.6%) to 289 mg (50.6%) content per capsule or tablet. Only one product contained quantifiable amounts of (−)-hydroxycitric acid lactone. Furthermore the study demonstrates that DNA barcoding and NMR could be effectively used as a regulatory tool to authenticate Garcinia fruit rinds and food supplements.
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35
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Raclariu AC, Ţebrencu CE, Ichim MC, Ciupercǎ OT, Brysting AK, de Boer H. What's in the box? Authentication of Echinacea herbal products using DNA metabarcoding and HPTLC. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 44:32-38. [PMID: 29895490 DOI: 10.1016/j.phymed.2018.03.058] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 02/18/2018] [Accepted: 03/21/2018] [Indexed: 05/26/2023]
Abstract
BACKGROUND Differences in regulatory policies between countries as well as a lack of appropriate standardized methods for the authentication and quality control of herbal products directly impact their quality and safety. Echinacea products are among the top-selling herbal products in Europe and the United States with indications for a broad range of ailments. The increased use of Echinacea species has led to concerns about adulterated products resulting from challenges in morphology-based identification, due to overlapping morphological variation, frequent hybridization between species, and deliberate adulteration. PURPOSE This study addressed the need for a novel analytical strategy in the authentication of herbal products. METHODS A combination of high performance thin layer chromatography (HPTLC) and DNA metabarcoding was employed. Fifty-three Echinacea herbal products marketed across Europe were tested to evaluate the accuracy of these methods in plant identification and their potential for detecting substitutes, adulterants and other unreported plant constituents. RESULTS HPTLC provides high resolution in the detection of Echinacea phytochemical target compounds, but does not offer information on the other species within the product. Alternatively, we showed that the limitation of HPTLC in detecting non-targeted species can be overcome by the complementary use of DNA metabarcoding. Using DNA metabarcoding, Echinacea species were detected in 34 out of the 38 retained products (89%), but with a lack of discriminatory resolution at the species level due to the low level of molecular divergence within the Echinacea genus. All of the tested herbal products showed considerable discrepancies between ingredients listed on the label and the ones detected using DNA metabarcoding, registering an overall ingredient fidelity of only 43%. CONCLUSION The results confirm that DNA metabarcoding can be used to test for the presence of Echinacea species and simultaneously to detect other species present in even highly processed and multi-ingredient herbal products.
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Affiliation(s)
- Ancuta Cristina Raclariu
- Natural History Museum, University of Oslo, P.O. Box 1172 Blindern, 0318 Oslo, Norway; Stejarul Research Centre for Biological Sciences, National Institute of Research and Development for Biological Sciences, Alexandru cel Bun Street, 6, 610004 Piatra Neamt, Romania
| | - Carmen Elena Ţebrencu
- Research and Processing Center for Medicinal Plants Plantavorel S.A., Cuza Voda Street, 46, 610019, Piatra Neamt, Romania; Academy of Romanian Scientists, Splaiul Independentei, 54, 050094, Bucharest, Romania
| | - Mihael Cristin Ichim
- Stejarul Research Centre for Biological Sciences, National Institute of Research and Development for Biological Sciences, Alexandru cel Bun Street, 6, 610004 Piatra Neamt, Romania
| | - Oana Teodora Ciupercǎ
- Research and Processing Center for Medicinal Plants Plantavorel S.A., Cuza Voda Street, 46, 610019, Piatra Neamt, Romania
| | - Anne Krag Brysting
- Department of Biosciences, Centre for Ecological and Evolutionary Synthesis (CEES), University of Oslo, P.O. Box 1066 Blindern, 0316 Oslo, Norway
| | - Hugo de Boer
- Natural History Museum, University of Oslo, P.O. Box 1172 Blindern, 0318 Oslo, Norway.
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Manzanilla V, Kool A, Nguyen Nhat L, Nong Van H, Le Thi Thu H, de Boer HJ. Phylogenomics and barcoding of Panax: toward the identification of ginseng species. BMC Evol Biol 2018; 18:44. [PMID: 29614961 PMCID: PMC5883351 DOI: 10.1186/s12862-018-1160-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 03/21/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The economic value of ginseng in the global medicinal plant trade is estimated to be in excess of US$2.1 billion. At the same time, the evolutionary placement of ginseng (Panax ginseng) and the complex evolutionary history of the genus is poorly understood despite several molecular phylogenetic studies. In this study, we use a full plastome phylogenomic framework to resolve relationships in Panax and to identify molecular markers for species discrimination. RESULTS We used high-throughput sequencing of MBD2-Fc fractionated Panax DNA to supplement publicly available plastid genomes to create a phylogeny based on fully assembled and annotated plastid genomes from 60 accessions of 8 species. The plastome phylogeny based on a 163 kbp matrix resolves the sister relationship of Panax ginseng with P. quinquefolius. The closely related species P. vietnamensis is supported as sister of P. japonicus. The plastome matrix also shows that the markers trnC-rps16, trnS-trnG, and trnE-trnM could be used for unambiguous molecular identification of all the represented species in the genus. CONCLUSIONS MBD2 depletion reduces the cost of plastome sequencing, which makes it a cost-effective alternative to Sanger sequencing based DNA barcoding for molecular identification. The plastome phylogeny provides a robust framework that can be used to study the evolution of morphological characters and biosynthesis pathways of ginsengosides for phylogenetic bioprospecting. Molecular identification of ginseng species is essential for authenticating ginseng in international trade and it provides an incentive for manufacturers to create authentic products with verified ingredients.
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Affiliation(s)
- V Manzanilla
- The Natural History Museum, University of Oslo, Oslo, Norway.
| | - A Kool
- The Natural History Museum, University of Oslo, Oslo, Norway
| | - L Nguyen Nhat
- Institute of Genome Research, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - H Nong Van
- Institute of Genome Research, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - H Le Thi Thu
- Institute of Genome Research, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - H J de Boer
- The Natural History Museum, University of Oslo, Oslo, Norway
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Raclariu AC, Heinrich M, Ichim MC, de Boer H. Benefits and Limitations of DNA Barcoding and Metabarcoding in Herbal Product Authentication. PHYTOCHEMICAL ANALYSIS : PCA 2018; 29:123-128. [PMID: 28906059 PMCID: PMC5836936 DOI: 10.1002/pca.2732] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 08/23/2017] [Accepted: 08/26/2017] [Indexed: 05/21/2023]
Abstract
INTRODUCTION Herbal medicines play an important role globally in the health care sector and in industrialised countries they are often considered as an alternative to mono-substance medicines. Current quality and authentication assessment methods rely mainly on morphology and analytical phytochemistry-based methods detailed in pharmacopoeias. Herbal products however are often highly processed with numerous ingredients, and even if these analytical methods are accurate for quality control of specific lead or marker compounds, they are of limited suitability for the authentication of biological ingredients. OBJECTIVE To review the benefits and limitations of DNA barcoding and metabarcoding in complementing current herbal product authentication. METHOD Recent literature relating to DNA based authentication of medicinal plants, herbal medicines and products are summarised to provide a basic understanding of how DNA barcoding and metabarcoding can be applied to this field. RESULTS Different methods of quality control and authentication have varying resolution and usefulness along the value chain of these products. DNA barcoding can be used for authenticating products based on single herbal ingredients and DNA metabarcoding for assessment of species diversity in processed products, and both methods should be used in combination with appropriate hyphenated chemical methods for quality control. CONCLUSIONS DNA barcoding and metabarcoding have potential in the context of quality control of both well and poorly regulated supply systems. Standardisation of protocols for DNA barcoding and DNA sequence-based identification are necessary before DNA-based biological methods can be implemented as routine analytical approaches and approved by the competent authorities for use in regulated procedures. © 2017 The Authors. Phytochemical Analysis Published by John Wiley & Sons Ltd.
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Affiliation(s)
- Ancuta Cristina Raclariu
- Natural History MuseumUniversity of OsloP.O. Box 1172, Blindern0318OsloNorway
- Stejarul Research Centre for Biological SciencesNational Institute of Research and Development for Biological SciencesAlexandru cel Bun Street, 6610004Piatra NeamtRomania
| | - Michael Heinrich
- Research Group of Pharmacognosy and Phytotherapy, Research Cluster ‘Biodiversity and Medicines’, UCL School of PharmacyUniversity of London29–39 Brunswick SqLondonWC1N 1AXUK
| | - Mihael Cristin Ichim
- Stejarul Research Centre for Biological SciencesNational Institute of Research and Development for Biological SciencesAlexandru cel Bun Street, 6610004Piatra NeamtRomania
| | - Hugo de Boer
- Natural History MuseumUniversity of OsloP.O. Box 1172, Blindern0318OsloNorway
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de Boer HJ, Ghorbani A, Manzanilla V, Raclariu AC, Kreziou A, Ounjai S, Osathanunkul M, Gravendeel B. DNA metabarcoding of orchid-derived products reveals widespread illegal orchid trade. Proc Biol Sci 2018; 284:rspb.2017.1182. [PMID: 28931735 DOI: 10.1098/rspb.2017.1182] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 08/10/2017] [Indexed: 11/12/2022] Open
Abstract
In eastern Mediterranean countries orchids continue to be collected from the wild for the production of salep, a beverage made of dried orchid tubers. In this study we used nrITS1 and nrITS2 DNA metabarcoding to identify orchid and other plant species present in 55 commercial salep products purchased in Iran, Turkey, Greece and Germany. Thirty samples yielded a total of 161 plant taxa, and 13 products (43%) contained orchid species and these belonged to 10 terrestrial species with tuberous roots. Another 70% contained the substitute ingredient Cyamopsis tetraganoloba (Guar). DNA metabarcoding using the barcoding markers nrITS1 and nrITS2 shows the potential of these markers and approach for identification of species used in salep products. The analysis of interspecific genetic distances between sequences of these markers for the most common salep orchid genera shows that species level identifications can be made with a high level of confidence. Understanding the species diversity and provenance of salep orchid tubers will enable the chain of commercialization of endangered species to be traced back to the harvesters and their natural habitats, and thus allow for targeted efforts to protect or sustainably use wild populations of these orchids.
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Affiliation(s)
- Hugo J de Boer
- Natural History Museum, University of Oslo, Oslo, Norway .,Department of Organismal Biology, Uppsala University, Uppsala, Sweden.,Naturalis Biodiversity Center, Leiden, The Netherlands
| | | | | | - Ancuta-Cristina Raclariu
- Natural History Museum, University of Oslo, Oslo, Norway.,Stejarul Research Centre for Biological Sciences, NIRDBIS, Piatra Neamt, Romania
| | | | - Sarawut Ounjai
- Department of Biology, Chiang Mai University, Chiang Mai, Thailand
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Wang XY, Xu R, Chen J, Song JY, Newmaster SG, Han JP, Zhang Z, Chen SL. Detection of Cistanches Herba ( Rou Cong Rong) Medicinal Products Using Species-Specific Nucleotide Signatures. FRONTIERS IN PLANT SCIENCE 2018; 9:1643. [PMID: 30483295 PMCID: PMC6242781 DOI: 10.3389/fpls.2018.01643] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 10/23/2018] [Indexed: 05/08/2023]
Abstract
Cistanches Herba is a medicinal plant that has tonification properties and is commonly used in Asia. Owing to the imbalance between supply and demand, adulterants are frequently added for profit. However, there is no regulatory oversight because quality control tools are not sufficient for identifying heavily processed products. Thus, a novel molecular tool based on nucleotide signatures and species-specific primers was developed. The ITS2 regions from 251 Cistanches Herba and adulterant samples were sequenced. On the basis of SNP sites, four nucleotide signatures within 30~37 bp and six species-specific primers were developed, and they were validated by artificial experimental mixtures consisting of six different species and different ratios. This method was also applied to detect 66 Cistanches Herba products on the market, including extracts and Chinese patent medicines. The results demonstrated the utility of nucleotide signatures in identifying adulterants in mixtures. The market study revealed 36.4% adulteration: 19.7% involved adulteration with Cynomorium songaricum or Cistanche sinensis, and 16.7% involved substitution with Cy. songaricum, Ci. sinensis, or Boschniakia rossica. The results also revealed that Cy. songaricum was the most common adulterant in the market. Thus, we recommend the use of species-specific nucleotide signatures for regulating adulteration and verifying the quality assurance of medicinal product supply chains, especially for processed products whose DNA is degraded.
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Affiliation(s)
- Xiao-yue Wang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medicinal Science and Peking Union Medicinal College, Beijing, China
| | - Rong Xu
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medicinal Science and Peking Union Medicinal College, Beijing, China
| | - Jun Chen
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medicinal Science and Peking Union Medicinal College, Beijing, China
| | - Jing-yuan Song
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medicinal Science and Peking Union Medicinal College, Beijing, China
| | - Steven-G Newmaster
- NHP Research Alliance, Biodiversity Institute of Ontario (BIO), University of Guelph, Guelph, ON, Canada
| | - Jian-ping Han
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medicinal Science and Peking Union Medicinal College, Beijing, China
- *Correspondence: Jian-ping Han
| | - Zheng Zhang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medicinal Science and Peking Union Medicinal College, Beijing, China
- Zheng Zhang
| | - Shi-lin Chen
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
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Ichim M, Crisan G, Tebrencu C, de Boer H. PhytoAuthent: Molecular authentication of complex herbal food supplements for safety and efficacy. RESEARCH IDEAS AND OUTCOMES 2017. [DOI: 10.3897/rio.3.e21710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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