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Asif M, Javaid T, Razzaq ZU, Khan MKI, Maan AA, Yousaf S, Usman A, Shahid S. Sustainable utilization of apple pomace and its emerging potential for development of functional foods. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:17932-17950. [PMID: 37458891 DOI: 10.1007/s11356-023-28479-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 06/23/2023] [Indexed: 03/09/2024]
Abstract
Apple pomace, a byproduct of apple processing industry, possesses nutritional components which are of great interests for health aspects. Apple pomace is a good source of dietary fiber, minerals, carbohydrates, phenolic, and antioxidant compounds. These bioactive compounds can be extracted by different extraction techniques which have been comprehensively described in this review article. Furthermore, the incorporation of apple pomace as functional ingredients in different food products like bakery items, extrusion-based snacks, meat, dairy, and confectionary products to improve the commercial value and health benefits has been discussed briefly. This review article can be a helpful tool for industrialists, innovative researchers, and waste management authorities to manage the apple waste in an appropriate and sustainable way.
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Affiliation(s)
- Muhammad Asif
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Tahreem Javaid
- Institute of Food Science and Nutrition, University of Sargodha, Sargodha, Pakistan
| | - Zafar Ullah Razzaq
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Muhmmad Kashif Iqbal Khan
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan.
- Department of Food Engineering, University of Agriculture, Faisalabad, Pakistan.
| | - Abid Aslam Maan
- Department of Food Engineering, University of Agriculture, Faisalabad, Pakistan
| | - Saria Yousaf
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Ayesha Usman
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Sidra Shahid
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
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2
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Vardhini NM, Punia J, Jat S, Pawar SD, Devi N, Radhakrishnanand P, Murty US, Saini A, Sethi KK, Kumar P. Purification and characterization of pure curcumin, desmethoxycurcumin, and bisdemethoxycurcumin from North-East India Lakadong turmeric (Curcuma longa). J Chromatogr A 2023; 1708:464358. [PMID: 37708671 DOI: 10.1016/j.chroma.2023.464358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 09/16/2023]
Abstract
Lakadong turmeric has been outlined for its high content of curcuminoids across the globe. Three significant molecular markers are widely present in turmeric viz, curcumin, desmethoxycurcumin, and bisdemethoxycurcumin, and they are present very high amount in Lakadong turmeric. Curcuminoids have been reported for structural and spectrum similarity of 3 to 4 nm (432, 434, and 436 nm, respectively). Current purification methods are based on recrystallisation where it is difficult to get highly pure material and preparative methods associated with tedious separation with high cost. Lakadong turmeric has not been explored commercially since long time. No reports are available in the literature with highly pure reference materials with in-depth characterization data and purity assessment. Curcumin, desmethoxycurcumin, and bisdemethoxycurcumin were characterized using different analytical techniques viz, UV-Visible Spectroscopy, Fourier Transform Infrared Spectroscopy (FT-IR), Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA), Proton Nuclear Magnetic Resonance (1HNMR), Carbon-13 Nuclear Magnetic Resonance (13CNMR), High-Resolution Mass Spectrometry (HR-MS) and Inductive Coupled Plasma Mass Spectrometry (ICP-MS). Purified 3 markers has shown High-Performance Liquid Chromatography-Diode Array Detector (HPLC-DAD) purity more than 99.5%. DSC the melting peaks of curcumin, desmethoxycurcumin and bisdemethoxycurcumin were observed at 168 °C, 165 °C, and 210 °C, respectively. These plant-based markers have high commercial potential as reference material for routine Quality Assurance and Quality Control (QAQC) in herbal industries.
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Affiliation(s)
- Nomula Mamatha Vardhini
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, India
| | - Jyoti Punia
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, India; Centre for GMP extraction facility, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, Assam, India
| | - Sandeep Jat
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, India
| | - Sachin D Pawar
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, India
| | - Nayanika Devi
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, India
| | - P Radhakrishnanand
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, India
| | - Upadhyayula Suryanarayana Murty
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, India; Centre for GMP extraction facility, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, Assam, India
| | - Anurag Saini
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, India
| | - Kalyan K Sethi
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, India
| | - Pramod Kumar
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research Guwahati (NIPER-G), Sila Katamur (Halugurisuk), PO: Changsari, Dist: Kamrup, Assam, India.
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3
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Rasel AKMFK, Seyler SL, Hayes MA. A numerical study on microfluidic devices to maintain the concentration and purity of dielectrophoresis-induced separated fractions of analyte. Anal Bioanal Chem 2023; 415:4861-4873. [PMID: 37382654 DOI: 10.1007/s00216-023-04795-4] [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: 03/20/2023] [Revised: 06/05/2023] [Accepted: 06/06/2023] [Indexed: 06/30/2023]
Abstract
Determining the physical and chemical properties of biologically important particles such as cells, organelles, viruses, exosomes, complexes, nucleotides, and proteins is needed to understand their function. These properties are determined with common analytical tools (mass spectrometry, cryo-EM, NMR, various spectroscopies, nucleotide sequencing, etc.) whose function can be improved when samples are pure and concentrated. Separations science plays a central role in conditioning samples, ranging from low-resolution benchtop operations like precipitations or extractions to higher-resolution chromatography and electrophoresis. In the last two decades, gradient insulator-based dielectrophoresis (g-iDEP) has emerged as a high-resolution separation technique capable of highly selective enrichment of cells, viruses, exosomes, and proteins. Specific evidence has been shown that pure homogeneous and concentrated fractions of cells and exosomes can be generated from complex mixtures. However, recovering those fractions for analysis has not been developed, limiting the technique to an analytical rather than a preparative one. Here, a finite element analysis was undertaken to identify geometries and operational parameters to efficiently remove the enriched fraction while retaining maximum concentration and providing total mass transfer. Geometric factors (e.g., side channel width and distance from the gradient-inducing gap) were studied, along with the addition of a second inlet side channel. Two flow-generating mechanisms-electroosmosis and hydrostatic pressure-were evaluated for semi-optimized device designs, including a comparison of the one- and two-inlet designs. Simulations indicate effectively one hundred percent mass transfer and a concentration increase by an order of magnitude for several device configurations and operational parameters.
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Affiliation(s)
| | - Sean L Seyler
- School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
| | - Mark A Hayes
- School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA.
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4
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Zou H, Gong Y, Ye H, Yuan C, Li T, Zhang J, Ren L. Dietary regulation of peroxisome proliferator-activated receptors in metabolic syndrome. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 116:154904. [PMID: 37267691 DOI: 10.1016/j.phymed.2023.154904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 05/15/2023] [Accepted: 05/28/2023] [Indexed: 06/04/2023]
Abstract
BACKGROUND Peroxisome proliferator-activated receptors (PPARs) are a class of ligand-activated nuclear transcription factors, members of the type nuclear receptor superfamily, with three subtypes, namely PPARα, PPARβ/δ, and PPARγ, which play a key role in the metabolic syndrome. In the past decades, a large number of studies have shown that natural products can act by regulating metabolic pathways mediated by PPARs. PURPOSE This work summarizes the physiological importance and clinical significance of PPARs and reviews the experimental evidence that natural products mediate metabolic syndrome via PPARs. METHODS This study reviews relevant literature on clinical trials, epidemiology, animals, and cell cultures published in NCBI PubMed, Scopus, Web of Science, Google Scholar, and other databases from 2001 to October 2022. Search keywords were "natural product" OR "botanical" OR "phytochemical" AND "PPAR" as well as free text words. RESULTS The modulatory involvement of PPARs in the metabolic syndrome has been supported by prior research. It has been observed that many natural products can treat metabolic syndrome by altering PPARs. The majority of currently described natural compounds are mild PPAR-selective agonists with therapeutic effects that are equivalent to synthetic medicines but less harmful adverse effects. CONCLUSION PPAR agonists can be combined with natural products to treat and prevent metabolic syndrome. Further human investigations are required because it is unknown how natural products cause harm and how they might have negative impacts.
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Affiliation(s)
- Haoyang Zou
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Yiyao Gong
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Haiqing Ye
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Cuiping Yuan
- Institute of Agro-food Technology, Jilin Academy of Agricultural Sciences, Changchun 130033, China
| | - Tiezhu Li
- Institute of Agro-food Technology, Jilin Academy of Agricultural Sciences, Changchun 130033, China
| | - Jie Zhang
- College of Food Science and Engineering, Jilin University, Changchun 130062, China.
| | - Li Ren
- College of Food Science and Engineering, Jilin University, Changchun 130062, China.
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5
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Bartnik M. Efficient Separation of the Methoxyfuranocoumarins Peucedanin, 8-Methoxypeucedanin, and Bergapten by Centrifugal Partition Chromatography (CPC). Molecules 2023; 28:molecules28041923. [PMID: 36838916 PMCID: PMC9967691 DOI: 10.3390/molecules28041923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/06/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
Pure methoxyfuranocoumarins were isolated from a crude petroleum ether extract (CPE; Soxleth extraction efficiency 12.28%) from fruits of Peucedanum tauricum MB. (Apiaceae) by counter-current chromatography in a hydrostatic equilibrium system (centrifugal partition chromatography-CPC). The optimized biphasic solvent system composed of n-heptane-ethyl acetate-methanol-water (5:2:5:2; v/v/v/v) in the ascending mode of elution was used (3 mL/min, 1600 rpm). In the single run, peucedanin (P), 8-methoxypeucedanin (8MP), and bergapten (5MOP) were obtained as pure as 95.6%, 98.1%, and c.a. 100%, respectively. The carefully optimized and developed CPC was effectively transferred from the analytical to the semi-preparative scale (where 20 mg and 150 mg of CPE were loaded, respectively). Identification and quantitative analysis of methoxyfuranocoumarins was carried out in the plant material, in the CPE, and in individual CPC fractions by use of validated high-performance liquid chromatography with diode array detection and mass spectrometry (HPLC-DAD-ESI-MS). For the separation steps, the extraction/isolation recovery was calculated. In this case, CPC proved to be an effective tool for the simultaneous isolation and separation of P, 8MP, and 5MOP from a multicomponent plant matrix, without additional pre-purification steps. The high purity of the obtained plant metabolites makes it possible to consider their use in pharmacological or biological studies.
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Affiliation(s)
- Magdalena Bartnik
- Department of Pharmacognosy with Medicinal Plants Garden, Medical University of Lublin, Chodźki 1 St., 20-093 Lublin, Poland
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6
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Purification of borneol from its isomeric mixture by using metal–organic frameworks. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2022.122213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Bhatti SA, Hussain MH, Mohsin MZ, Mohsin A, Zaman WQ, Guo M, Iqbal MW, Siddiqui SA, Ibrahim SA, Ur-Rehman S, Korma SA. Evaluation of the antimicrobial effects of Capsicum, Nigella sativa, Musa paradisiaca L., and Citrus limetta: A review. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2022. [DOI: 10.3389/fsufs.2022.1043823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The extensive use of antibiotics and vaccines against microbial infections can result in long-term negative effects on humans and the environment. However, there are a number of plants that have antimicrobial effects against various disease-causing microbes such as bacteria, viruses, and fungi without negative side effects or harm to the environment. In this regard, four particular plants- Capsicum, Nigella sativa, Musa paradisiaca L., and Citrus limetta have been widely considered due to their excellent antimicrobial effect and ample availability. In this review, we discuss their antimicrobial effects due to the presence of thymoquinone, p-cymene, pinene, alkaloids, limonene, camphene, and melanin. These antimicrobial compounds disrupt the cell membrane of microbes, inhibit cellular division, and form biofilm in bacterial species, eventually reducing the number of microbes. Extraction of these compounds from the respective plants is carried out by different methods such as soxhlet, hydro-distillation, liquid-liquid extraction (LLE), pressurized liquid extraction (PLE), solid-phase extraction (SPE), supercritical fluid extraction (SFE), pulsed electric field (PEF), microwave-assisted extraction (MAE), enzyme-assisted extraction (EAE), ultrasound-assisted extraction (UAE), and high-voltage electrical discharge. Suitable selection of the extraction technique highly depends upon the associated advantages and disadvantages. In order to aid future study in this field, this review paper summarizes the advantages and disadvantages of each of these approaches. Additionally, the discussion covers how antimicrobial agents destroy harmful bacteria. Thus, this review offers in-depth knowledge to researchers on the antibacterial properties of Capsicum, Nigella sativa, Musa paradisiaca L. peels, and Citrus limetta.
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A comparison of conventional and novel phytonutrient extraction techniques from various sources and their potential applications. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01697-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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El Mahdi O, Ouakil A, Lachkar M. Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021. PHYTOCHEMISTRY 2022; 202:113291. [PMID: 35787353 DOI: 10.1016/j.phytochem.2022.113291] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/27/2022] [Accepted: 06/26/2022] [Indexed: 06/15/2023]
Abstract
The Monimiaceae, Siparunaceae, and Atherospermataceae, formerly included in the broad ''old'' Monimiaceae family, have long been known for their uses in traditional medicine and have proven to be rich sources of chemically diverse specialized metabolites with numerous potent biological and therapeutical properties. The progress made recently has expanded their phytochemistry and pharmacology albeit to different extents. This review focuses on the non-volatile constituents isolated from the three plant families during the last two decades and their emerging therapeutic potential. Based on the data collected from multiple databases without statistical analysis, approximately 93 components, of which 35 undescribed compounds including γ-lactones, alkaloids, terpenoids, flavonoids, and homogentisic acid derivatives, have been reported. Moreover, diverse biological activities of pure isolated compounds such as anticancer, antioxidant, antiparasitic, antiviral, and antibacterial activities have been evidenced. Besides offering new important perspectives for different diseases' management, the chemical and biological diversities among the isolated compounds, open promising avenues of research and contribute to renewed interest in these families needing further studies. This review provides an updated overview of their potential as sources of leads for drug discovery, while also highlighting ongoing challenges and future research opportunities.
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Affiliation(s)
- Ouafâa El Mahdi
- Laboratory of Natural Ressources and Environment, Polydisciplinary Faculty of Taza, Sidi Mohamed Ben Abdellah University, B.P. 1223, Taza Gare, Morocco.
| | - Abdelmoughite Ouakil
- Faculty of Sciences Dhar Lmehraz, Sidi Mohamed Ben Abdellah University, 30000, Fez, Morocco
| | - Mohammed Lachkar
- Faculty of Sciences Dhar Lmehraz, Sidi Mohamed Ben Abdellah University, 30000, Fez, Morocco
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Smith H, Doyle S, Murphy R. Target directed identification of natural bioactive compounds from filamentous fungi. Food Chem 2022; 405:134743. [DOI: 10.1016/j.foodchem.2022.134743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 10/14/2022] [Accepted: 10/23/2022] [Indexed: 11/04/2022]
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Heinrich M, Jalil B, Abdel-Tawab M, Echeverria J, Kulić Ž, McGaw LJ, Pezzuto JM, Potterat O, Wang JB. Best Practice in the chemical characterisation of extracts used in pharmacological and toxicological research—The ConPhyMP—Guidelines12. Front Pharmacol 2022; 13:953205. [PMID: 36176427 PMCID: PMC9514875 DOI: 10.3389/fphar.2022.953205] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 07/18/2022] [Indexed: 12/22/2022] Open
Abstract
Background: Research on medicinal plants and extracts derived from them differs from studies performed with single compounds. Extracts obtained from plants, algae, fungi, lichens or animals pose some unique challenges: they are multicomponent mixtures of active, partially active and inactive substances, and the activity is often not exerted on a single target. Their composition varies depending on the method of preparation and the plant materials used. This complexity and variability impact the reproducibility and interpretation of pharmacological, toxicological and clinical research. Objectives: This project develops best practice guidelines to ensure reproducibility and accurate interpretations of studies using medicinal plant extracts. The focus is on herbal extracts used in pharmacological, toxicological, and clinical/intervention research. Specifically, the consensus-based statement focuses on defining requirements for: 1) Describing the plant material/herbal substances, herbal extracts and herbal medicinal products used in these studies, and 2) Conducting and reporting the phytochemical analysis of the plant extracts used in these studies in a reproducible and transparent way. The process and methods: We developed the guidelines through the following process: 1) The distinction between the three main types of extracts (extract types A, B, and C), initially conceptualised by the lead author (MH), led the development of the project as such; 2) A survey among researchers of medicinal plants to gather global perspectives, opportunities, and overarching challenges faced in characterising medicinal plant extracts under different laboratory infrastructures. The survey responses were central to developing the guidelines and were reviewed by the core group; 3) A core group of 9 experts met monthly to develop the guidelines through a Delphi process; and. 4) The final draft guidelines, endorsed by the core group, were also distributed for feedback and approval to an extended advisory group of 20 experts, including many journal editors. Outcome: The primary outcome is the “Consensus statement on the Phytochemical Characterisation of Medicinal Plant extracts“ (ConPhyMP) which defines the best practice for reporting the starting plant materials and the chemical methods recommended for defining the chemical compositions of the plant extracts used in such studies. The checklist is intended to be an orientation for authors in medicinal plant research as well as peer reviewers and editors assessing such research for publication.
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Affiliation(s)
- Michael Heinrich
- Pharmacognosy and Phytotherapy, UCL School of Pharmacy, London, United Kingdom
- *Correspondence: Michael Heinrich,
| | - Banaz Jalil
- Pharmacognosy and Phytotherapy, UCL School of Pharmacy, London, United Kingdom
| | - Mona Abdel-Tawab
- Central Laboratory of German Pharmacists, Eschborn, Germany/Institute of Pharmaceutical Chemistry, Johann-Wolfgang-Goethe University, Frankfurt, Germany
| | - Javier Echeverria
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Žarko Kulić
- Preclinical Research and Development, Dr. Willmar Schwabe GmbH & Co. KG, Karlsruhe, Germany
| | - Lyndy J. McGaw
- Phytomedicine Programme, Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Pretoria, South Africa
| | - John M. Pezzuto
- College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, United States
| | - Olivier Potterat
- Division of Pharmaceutical Biology, University of Basel, Basel, Switzerland
| | - Jia-Bo Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
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12
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Porcu S, Tuveri E, Palanca M, Melis C, La Franca IM, Satta J, Chiriu D, Carbonaro CM, Cortis P, De Agostini A, Ricci PC. Rapid In Situ Detection of THC and CBD in Cannabis sativa L. by 1064 nm Raman Spectroscopy. Anal Chem 2022; 94:10435-10442. [PMID: 35848818 PMCID: PMC9330313 DOI: 10.1021/acs.analchem.2c01629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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The need to find a rapid and worthwhile technique for
the in situ
detection of the content of delta-9-tetrahydrocannabinol (THC) and
cannabidiol (CBD) in Cannabis sativa L. is an ever-increasing problem in the forensic field. Among all
the techniques for the detection of cannabinoids, Raman spectroscopy
can be identified as the most cost-effective, fast, noninvasive, and
nondestructive. In this study, 42 different samples were analyzed
using Raman spectroscopy with 1064 nm excitation wavelength. The use
of an IR wavelength laser showed the possibility to clearly identify
THC and CBD in fresh samples, without any further processing, knocking
out the contribution of the fluorescence generated by visible and
near-IR sources. The results allow assigning all the Raman features
in THC- and CBD-rich natural samples. The multivariate analysis underlines
the high reproducibility of the spectra and the possibility to distinguish
immediately the Raman spectra of the two cannabinoid species. Furthermore,
the ratio between the Raman bands at 1295/1440 and 1623/1663 cm–1 is identified as an immediate test parameter to evaluate
the THC content in the samples.
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Affiliation(s)
- Stefania Porcu
- Department of Physics, University of Cagliari, S.p. no. 8 Km 0700, 09042 Monserrato, CA, Italy
| | - Enrica Tuveri
- Scientific Investigation Department (RIS) of Cagliari, Via Ludovico Ariosto, 24, 09129 Cagliari, CA, Italy
| | - Marco Palanca
- Scientific Investigation Department (RIS) of Cagliari, Via Ludovico Ariosto, 24, 09129 Cagliari, CA, Italy
| | - Claudia Melis
- Scientific Investigation Department (RIS) of Cagliari, Via Ludovico Ariosto, 24, 09129 Cagliari, CA, Italy
| | | | - Jessica Satta
- Department of Physics, University of Cagliari, S.p. no. 8 Km 0700, 09042 Monserrato, CA, Italy
| | - Daniele Chiriu
- Department of Physics, University of Cagliari, S.p. no. 8 Km 0700, 09042 Monserrato, CA, Italy
| | - Carlo Maria Carbonaro
- Department of Physics, University of Cagliari, S.p. no. 8 Km 0700, 09042 Monserrato, CA, Italy
| | - Pierluigi Cortis
- Department of Life and Environmental Sciences, University of Cagliari, Via Sant'Ignazio 13, 09123 Cagliari, CA, Italy
| | - Antonio De Agostini
- Department of Life and Environmental Sciences, University of Cagliari, Via Sant'Ignazio 13, 09123 Cagliari, CA, Italy
| | - Pier Carlo Ricci
- Department of Physics, University of Cagliari, S.p. no. 8 Km 0700, 09042 Monserrato, CA, Italy
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13
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Nuzzo G, Senese G, Gallo C, Albiani F, Romano L, d’Ippolito G, Manzo E, Fontana A. Antitumor Potential of Immunomodulatory Natural Products. Mar Drugs 2022; 20:md20060386. [PMID: 35736189 PMCID: PMC9229642 DOI: 10.3390/md20060386] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/23/2022] [Accepted: 05/24/2022] [Indexed: 12/11/2022] Open
Abstract
Cancer is one of the leading causes of death globally. Anticancer drugs aim to block tumor growth by killing cancerous cells in order to prevent tumor progression and metastasis. Efficient anticancer drugs should also minimize general toxicity towards organs and healthy cells. Tumor growth can also be successfully restrained by targeting and modulating immune response. Cancer immunotherapy is assuming a growing relevance in the fight against cancer and has recently aroused much interest for its wider safety and the capability to complement conventional chemotherapeutic approaches. Natural products are a traditional source of molecules with relevant potential in the pharmacological field. The huge structural diversity of metabolites with low molecular weight (small molecules) from terrestrial and marine organisms has provided lead compounds for the discovery of many modern anticancer drugs. Many natural products combine chemo-protective and immunomodulant activity, thus offering the potential to be used alone or in association with conventional cancer therapy. In this review, we report the natural products known to possess antitumor properties by interaction with immune system, as well as discuss the possible immunomodulatory mechanisms of these molecules.
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Affiliation(s)
- Genoveffa Nuzzo
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry-CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy; (G.S.); (C.G.); (F.A.); (L.R.); (G.d.); (A.F.)
- Correspondence: (G.N.); (E.M.); Tel.: +39-081-8675104 (G.N.); +39-081-8675177 (E.M.)
| | - Giuseppina Senese
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry-CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy; (G.S.); (C.G.); (F.A.); (L.R.); (G.d.); (A.F.)
| | - Carmela Gallo
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry-CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy; (G.S.); (C.G.); (F.A.); (L.R.); (G.d.); (A.F.)
| | - Federica Albiani
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry-CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy; (G.S.); (C.G.); (F.A.); (L.R.); (G.d.); (A.F.)
| | - Lucia Romano
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry-CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy; (G.S.); (C.G.); (F.A.); (L.R.); (G.d.); (A.F.)
| | - Giuliana d’Ippolito
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry-CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy; (G.S.); (C.G.); (F.A.); (L.R.); (G.d.); (A.F.)
| | - Emiliano Manzo
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry-CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy; (G.S.); (C.G.); (F.A.); (L.R.); (G.d.); (A.F.)
- Correspondence: (G.N.); (E.M.); Tel.: +39-081-8675104 (G.N.); +39-081-8675177 (E.M.)
| | - Angelo Fontana
- Bio-Organic Chemistry Unit, Institute of Biomolecular Chemistry-CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy; (G.S.); (C.G.); (F.A.); (L.R.); (G.d.); (A.F.)
- Department of Biology, University of Naples Federico II, Via Cinthia–Bld. 7, 80126 Napoli, Italy
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Arya A, Kaushik D, Almeer R, Bungau SG, Sayed AA, Abdel-Daim MM, Bhatia S, Mittal V. Application of Green Technologies in Design-Based Extraction of Celastrus paniculatus (Jyotishmati) Seeds, SEM, GC-MS Analysis, and Evaluation for Memory Enhancing Potential. Front Nutr 2022; 9:871183. [PMID: 35662919 PMCID: PMC9158750 DOI: 10.3389/fnut.2022.871183] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 03/23/2022] [Indexed: 01/09/2023] Open
Abstract
Background The Celastrus paniculatus (CP), commonly known as Jyotishmati, is considered as “elixir of life” by Indian people for the prevention or management of many ailments. The seed powder and its extract have widely used commercially for the preparation of various Ayurvedic formulations for the improvement of memory. CP seeds were generally extracted by conventional extraction methods (CEMs) which are assumed to impact environment burden and also produce low extract yield. Green extraction with possible improvement in extract yield has always been the need of hour for selected medicinal plant. Objective In the present research, we aimed to optimize the different extraction factors in microwave and ultrasound-based extraction. The various extracts obtained in conventional and green methods are also evaluated for the possible improvement in memory enhancing potential. Materials and Methods The selected medicinal herb was extracted by CEM (maceration and percolation). In green methods such microwave-assisted extraction (MAE) and ultrasound assisted-extraction (UAE), various parameters were optimized using Box-Behnken design coupled with response surface methodology. The scanning electron microscopy (SEM) and gas chromatography–mass spectroscopy (GC-MS) analyses were also done to confirm the possible improvement in concentration of plant actives. The Swiss albino mice were used to evaluate memory enhancing potential of different extracts. Results At the optimized conditions MAE and UAE the extraction yield, total phenolic content (TPC) and Total flavonoid content (TFC) are significantly improved. The GC-MS analysis further confirms the improvement in concentration of certain fatty acid esters, pilocarpine, and steroidal compounds in optimized extracts. The optimized extracts also exhibited the significant improvement in behavioral parameters, oxidative stress-induced parameters, and acetylcholinesterase inhibitory potential. Discussion and Conclusion From the results, we can say that the application of green technologies in design-based extraction of selected herb not only significantly reduces the extraction time but also improves the extract yield and concentration of plant actives. In nutshell, it can be concluded that the green approaches for extraction of seeds of Celastrus paniculatus could be scale up at a commercial level to meet the rising demand for herbal extract.
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Affiliation(s)
- Ashwani Arya
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, India
| | - Deepak Kaushik
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, India
| | - Rafa Almeer
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Simona G. Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
| | - Amany A. Sayed
- Zoology Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Mohamed M. Abdel-Daim
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
- Mohamed M. Abdel-Daim
| | - Saurabh Bhatia
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa, Oman
- School of Health Science, University of Petroleum and Energy Studies, Dehradun, India
| | - Vineet Mittal
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, India
- *Correspondence: Vineet Mittal
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15
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The Use of Baikal Psychrophilic Actinobacteria for Synthesis of Biologically Active Natural Products from Sawdust Waste. FERMENTATION 2022. [DOI: 10.3390/fermentation8050213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
One of the relevant areas in microbiology and biotechnology is the study of microorganisms that induce the destruction of different materials, buildings, and machines and lead to negative effects. At the same time, the positive ecological effects of degradation can be explained by the detoxication of industrial and agricultural wastes, chemical substances, petroleum products, xenobiotics, pesticides, and other chemical pollutants. Many of these industrial wastes include hard-to-degrade components, such as lignocellulose or plastics. The biosynthesis of natural products based on the transformation of lignocellulosic wastes is of particular interest. One of the world’s unique ecosystems is presented by Lake Baikal. This ecosystem is characterized by the highest level of biodiversity, low temperatures, and a high purity of the water. Here, we studied the ability of several psychrophilic representatives of Baikal Actinobacteria to grow on sawdust wastes and transform them into bioactive natural products. Different strains of both widely spread genus of Actinobacteria and rare genera of Actinobacteria were tested. We used the LC-MS methods to show that Actinobacteria living in sawmill wastes can produce both known and novel natural products with antibiotic activity. We demonstrated that the type of sawmill wastes and their concentration influence the Actinobacteria biosynthetic potential. We have shown for the first time that the use of Baikal psychrophilic microorganisms as a factory for biodegradation is applicable for the transformation of lignocellulosic wastes. Thus, the development of techniques for screening novel natural products leads to an elaboration on the active ingredients for novel drugs.
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16
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Alternative Extraction and Downstream Purification Processes for Anthocyanins. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27020368. [PMID: 35056685 PMCID: PMC8779312 DOI: 10.3390/molecules27020368] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/04/2022] [Indexed: 12/15/2022]
Abstract
Anthocyanins are natural pigments displaying different attractive colors ranging from red, violet, to blue. These pigments present health benefits that increased their use in food, nutraceuticals, and the cosmetic industry. However, anthocyanins are mainly extracted through conventional methods that are time-consuming and involve the use of organic solvents. Moreover, the chemical diversity of the obtained complex extracts make the downstream purification step challenging. Therefore, the growing demand of these high-value pigments has stimulated the interest in designing new, safe, cost-effective, and tunable strategies for their extraction and purification. The current review focuses on the potential application of compressed fluid-based (such as subcritical and supercritical fluid extraction and pressurized liquid extraction) and deep eutectic solvents-based extraction methods for the recovery of anthocyanins. In addition, an updated review of the application of counter-current chromatography for anthocyanins purification is provided as a faster and cost-effective alternative to preparative-scale HPLC.
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17
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Martin G. D, Pacheco Maldonado JC, Cárdenas González OE. HPLC-DAD analysis, antifungal and antioxidant activity of Solanum dolichosepalum bitter extracts and fractions. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902022e20350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Affiliation(s)
- D.A. Martin G.
- Universidad Pedagógica y Tecnológica de Colombia, Colombia
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18
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Recent advances on analytical methodologies for screening and detection of biophenols and their challenges: A brief review. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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19
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Nickles G, Ludwikoski I, Bok JW, Keller NP. Comprehensive Guide to Extracting and Expressing Fungal Secondary Metabolites with Aspergillus fumigatus as a Case Study. Curr Protoc 2021; 1:e321. [PMID: 34958718 DOI: 10.1002/cpz1.321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Fungal secondary metabolites (SMs) have captured the interest of natural products researchers in academia and industry for decades. In recent years, the high rediscovery rate of previously characterized metabolites is making it increasingly difficult to uncover novel compounds. Additionally, the vast majority of fungal SMs reside in genetically intractable fungi or are silent under normal laboratory conditions in genetically tractable fungi. The fungal natural products community has broadly overcome these barriers by altering the physical growth conditions of the fungus and heterologous/homologous expression of biosynthetic gene cluster regulators or proteins. The protocols described here summarize vital methodologies needed when researching SM production in fungi. We also summarize the growth conditions, genetic backgrounds, and extraction protocols for every published SM in Aspergillus fumigatus, enabling readers to easily replicate the production of previously characterized SMs. Readers will also be equipped with the tools for developing their own strategy for expressing and extracting SMs from their given fungus or a suitable heterologous model system. © 2021 Wiley Periodicals LLC. Basic Protocol 1: Making glycerol stocks from spore suspensions Alternate Protocol 1: Creating glycerol stocks from non-sporulating filamentous fungi Basic Protocol 2: Activating spore-suspension glycerol stocks Basic Protocol 3: Extracting secondary metabolites from Aspergillus spp grown on solid medium Alternate Protocol 2: Extracting secondary metabolites from Aspergillus spp using ethyl acetate Alternate Protocol 3: High-volume metabolite extraction using ethyl acetate Alternate Protocol 4: Extracting secondary metabolites from Aspergillus spp in liquid medium Support Protocol: Creating an overlay culture Basic Protocol 4: Extracting DNA from filamentous fungi Basic Protocol 5: Creating a DNA construct with double-joint PCR Alternate Protocol 5: Creating a DNA construct with yeast recombineering Basic Protocol 6: Transformation of Aspergillus spp Basic Protocol 7: Co-culturing fungi and bacteria for extraction of secondary metabolites.
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Affiliation(s)
- Grant Nickles
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin
| | - Isabelle Ludwikoski
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin
| | - Jin Woo Bok
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin
| | - Nancy P Keller
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin.,Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin
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20
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Lamiaceae Essential Oils, Phytochemical Profile, Antioxidant, and Biological Activities. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6748052. [PMID: 34950215 PMCID: PMC8692021 DOI: 10.1155/2021/6748052] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 11/25/2021] [Indexed: 01/22/2023]
Abstract
Medicinal and aromatic plants present important active compounds that have potential for use in food, pharmaceutical, and agriculture industries. In this sense, the present work aimed to conduct a literature review on the potential applications of essential oils from Lamiaceae species. Antioxidant, anti-inflammatory, and antimicrobial activities were evaluated. The importance of this study is demonstrated as a way to theoretically provide information on the use of different plants belonging to the Lamiaceae family, especially with regard to the physical, chemical, and biological properties of its essential oils.
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21
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Papadopoulou EA, Angelis A, Antoniadi L, Aliferis KA, Skaltsounis AL. Discovering the Next-Generation Plant Protection Products: A Proof-of-Concept via the Isolation and Bioactivity Assessment of the Olive Tree Endophyte Bacillus sp. PTA13 Lipopeptides. Metabolites 2021; 11:metabo11120833. [PMID: 34940591 PMCID: PMC8705366 DOI: 10.3390/metabo11120833] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/24/2021] [Accepted: 11/30/2021] [Indexed: 11/16/2022] Open
Abstract
Endophytic microorganisms (EMs) have recently attracted interest for applications in plant protection, mainly due to their bioactive compound-producing capacity. Therefore, we underwent the task of isolating olive tree EMs and investigating their bioactivity against the devastating pathogen Colletotrichum acutatum. Several EMs were isolated; however, the Bacillus sp. PTA13 isolate exhibited the highest toxicity to the phytopathogen. Bacteria of the genus Bacillus exhibit superior bioactive metabolite-producing capacity, with the lipopeptides (LPs) of surfactin, iturin, and fengycin groups being the most studied. A total LP extract and several fractions were obtained, and their bioactivity was assessed against C. acutatum strains. LPs of the major surfactin, iturin, and fengycin groups and the minor gageotetrin and bacilotetrin groups were annotated. The results confirmed the bioactivity of the major LPs, with fengycins being the most fungitoxic. Interestingly, the minor LP fraction exhibited selective toxicity to the fungicide-resistant C. acutatum isolate, an observation that highlights the significance of our approach to comprehensively mine the total LP extract. This work represents a proof of concept of the exploitation of EMs in customized olive tree plant protection and aligns well with strategies that focus on the sustainability and safety of food production via the development of next-generation plant protection products.
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Affiliation(s)
- Evgenia-Anna Papadopoulou
- Laboratory of Pesticide Science, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece;
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, University of Athens, 15771 Athens, Greece; (A.A.); (L.A.)
| | - Apostolis Angelis
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, University of Athens, 15771 Athens, Greece; (A.A.); (L.A.)
| | - Lemonia Antoniadi
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, University of Athens, 15771 Athens, Greece; (A.A.); (L.A.)
| | - Konstantinos A. Aliferis
- Laboratory of Pesticide Science, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece;
- Department of Plant Science, McGill University, Macdonald Campus, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
- Correspondence: (K.A.A.); (A.-L.S.); Tel.: +30-210-5294541 (K.A.A.); +30-210-7274598 (A.-L.S.)
| | - Alexios-Leandros Skaltsounis
- Department of Pharmacognosy and Natural Products Chemistry, Faculty of Pharmacy, University of Athens, 15771 Athens, Greece; (A.A.); (L.A.)
- Correspondence: (K.A.A.); (A.-L.S.); Tel.: +30-210-5294541 (K.A.A.); +30-210-7274598 (A.-L.S.)
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22
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Do TH, Huynh TD, Vo KA, Nguyen KA, Cao TS, Nguyen KN, Nguyen HAH, Nguyen TTT, Le N, Truong D. Saponin‐rich fractions from
Codonopsis javanica
root extract and their in vitro antioxidant and anti‐enzymatic efficacy. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.16113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Tuong Ha Do
- Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam
| | - Tan Dat Huynh
- Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam
| | - Khanh An Vo
- Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam
| | - Kiet Anh Nguyen
- Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam
| | - Tan Sang Cao
- Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam
| | - Kim Ngan Nguyen
- Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam
| | - Ho Anh Hao Nguyen
- Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam
| | | | - Ngoc Phuong Nghi Le
- Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam
| | - Dieu‐Hien Truong
- Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam
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23
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Scotti F, Mou L, Huang C, Booker A, Weckerle C, Maake C, Heinrich M. Treating Chronic Wounds Using Photoactive Metabolites: Data Mining the Chinese Pharmacopoeia for Potential Lead Species. PLANTA MEDICA 2021; 87:1206-1218. [PMID: 34528222 PMCID: PMC8585569 DOI: 10.1055/a-1578-8778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 08/02/2021] [Indexed: 06/13/2023]
Abstract
Efficient wound treatment that addresses associated infections and inflammation remains one of the big unmet needs, especially in low- and middle-income countries. One strategy for securing better healthcare can be using medicinal plants if sufficient evidence on their safety and therapeutic benefits can be ascertained. A unique novel opportunity could be photo-enhanced wound treatment with a combination of light-sensitive plant preparations and local exposure to daylight. Data mining strategies using existing resources offer an excellent basis for developing such an approach with many potential plant candidates. In the present analysis, we researched the 535 botanical drugs included in the Chinese pharmacopeia and identified 183 medicinal plant species, 82 for treating open wounds caused by trauma and 101 for inflammatory skin conditions. After further screening for reports on the presence of known photoactive compounds, we determined a core group of 10 scientifically lesser-known botanical species that may potentially be developed into more widely used topical preparations for photodynamic treatment of infected wounds. Our predictive approach may contribute to developing a more evidence-based use of herbal medicines.
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Affiliation(s)
- Francesca Scotti
- Research Group “Pharmacognosy and Phytotherapy”, UCL School of Pharmacy, London, UK
| | - Linru Mou
- Research Group “Pharmacognosy and Phytotherapy”, UCL School of Pharmacy, London, UK
| | - Chen Huang
- Research Group “Pharmacognosy and Phytotherapy”, UCL School of Pharmacy, London, UK
| | - Anthony Booker
- Research Group “Pharmacognosy and Phytotherapy”, UCL School of Pharmacy, London, UK
- Research Centre for Optimal Health, School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster. London, UK
| | - Caroline Weckerle
- Institute of Systematic and Evolutionary Botany, University of Zürich, Zürich, Switzerland
| | - Caroline Maake
- Institute of Anatomy, University of Zürich, Zürich, Switzerland
| | - Michael Heinrich
- Research Group “Pharmacognosy and Phytotherapy”, UCL School of Pharmacy, London, UK
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Berlinck RGS, Crnkovic CM, Gubiani JR, Bernardi DI, Ióca LP, Quintana-Bulla JI. The isolation of water-soluble natural products - challenges, strategies and perspectives. Nat Prod Rep 2021; 39:596-669. [PMID: 34647117 DOI: 10.1039/d1np00037c] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Covering period: up to 2019Water-soluble natural products constitute a relevant group of secondary metabolites notably known for presenting potent biological activities. Examples are aminoglycosides, β-lactam antibiotics, saponins of both terrestrial and marine origin, and marine toxins. Although extensively investigated in the past, particularly during the golden age of antibiotics, hydrophilic fractions have been less scrutinized during the last few decades. This review addresses the possible reasons on why water-soluble metabolites are now under investigated and describes approaches and strategies for the isolation of these natural compounds. It presents examples of several classes of hydrosoluble natural products and how they have been isolated. Novel stationary phases and chromatography techniques are also reviewed, providing a perspective towards a renaissance in the investigation of water-soluble natural products.
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Affiliation(s)
- Roberto G S Berlinck
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP 13560-970, São Carlos, SP, Brazil.
| | - Camila M Crnkovic
- Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, CEP 05508-000, São Paulo, SP, Brazil
| | - Juliana R Gubiani
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP 13560-970, São Carlos, SP, Brazil.
| | - Darlon I Bernardi
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP 13560-970, São Carlos, SP, Brazil.
| | - Laura P Ióca
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP 13560-970, São Carlos, SP, Brazil.
| | - Jairo I Quintana-Bulla
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, CEP 13560-970, São Carlos, SP, Brazil.
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Esimbekova EN, Kalyabina VP, Kopylova KV, Torgashina IG, Kratasyuk VA. Design of bioluminescent biosensors for assessing contamination of complex matrices. Talanta 2021; 233:122509. [PMID: 34215124 DOI: 10.1016/j.talanta.2021.122509] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/30/2021] [Accepted: 05/07/2021] [Indexed: 01/29/2023]
Abstract
The presence of potentially toxic xenobiotics in complex matrices has become rather the rule than the exception. Therefore, there is a need for highly sensitive inexpensive techniques for analyzing environmental and food matrices for toxicants. Enzymes are selectively sensitive to various toxic compounds, and, thus, they can be used as the basis for detection of contaminants in complex matrices. There are, however, a number of difficulties associated with the analysis of complex matrices using enzyme assays, including the necessity to take into account properties and effects of the natural components of the test media for accurate interpretation of results. The present study describes the six-stage procedure for designing new enzyme sensors intended for assessing the quality of complex matrices. This procedure should be followed both to achieve the highest possible sensitivity of the biosensor to potentially toxic substances and to minimize the effect of the uncontaminated components of complex mixtures on the activity of the biosensor. The proposed strategy has been tested in designing a bioluminescent biosensor for integrated rapid assessment of the safety of fruits and vegetables. The biosensor is based on the coupled enzyme system NAD(P)H:FMN-oxidoreductase and luciferase as the biorecognition element. The study describes methods and techniques for attaining the desired result in each stage. The proposed six-stage procedure for designing bioluminescent enzyme biosensors can be used to design the enzymatic biosensors based on other enzymes.
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Affiliation(s)
- Elena N Esimbekova
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia; Institute of Biophysics SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia.
| | - Valeriya P Kalyabina
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia; Institute of Biophysics SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia
| | - Kseniya V Kopylova
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia
| | - Irina G Torgashina
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia
| | - Valentina A Kratasyuk
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia; Institute of Biophysics SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia
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Macroalgae as Protein Sources—A Review on Protein Bioactivity, Extraction, Purification and Characterization. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11177969] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The increased demand for protein sources combined with a decrease in the available land and water resources have led to a growing interest in macroalgae as alternative protein sources. This review focuses on strategies for macroalgae protein extraction, enrichment and characterization. To date, the protein extraction methods applied to algae include enzymatic hydrolysis, physical processes and chemical extraction. Novel methods, such as pulsed electric field, microwave-assisted, pressurized liquid and supercritical fluid extractions, and the application of smart solvents are discussed. An overview of the use of membranes and other processes to generate high-value protein concentrates from algae extracts is also presented, as well as some examples of the methods used for their characterization. The potential bioactivities from macroalgae-derived proteins and peptides, including novel glycoproteins and lectins, are briefly reviewed.
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Current Status of Mining, Modification, and Application of Cellulases in Bioactive Substance Extraction. Curr Issues Mol Biol 2021; 43:687-703. [PMID: 34287263 PMCID: PMC8929041 DOI: 10.3390/cimb43020050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/25/2021] [Accepted: 06/25/2021] [Indexed: 11/24/2022] Open
Abstract
Cellulases have been used to extract bioactive ingredients from medical plants; however, the poor enzymatic properties of current cellulases significantly limit their application. Two strategies are expected to address this concern: (1) new cellulase gene mining strategies have been promoted, optimized, and integrated, thanks to the improvement of gene sequencing, genomic data, and algorithm optimization, and (2) known cellulases are being modified, thanks to the development of protein engineering, crystal structure data, and computing power. Here, we focus on mining strategies and provide a systemic overview of two approaches based on sequencing and function. Strategies based on protein structure modification, such as introducing disulfide bonds, proline, salt bridges, N-glycosylation modification, and truncation of loop structures, have already been summarized. This review discusses four aspects of cellulase-assisted extraction. Initially, cellulase alone was used to extract bioactive substances, and later, mixed enzyme systems were developed. Physical methods such as ultrasound, microwave, and high hydrostatic pressure have assisted in improving extraction efficiency. Cellulase changes the structure of biomolecules during the extraction process to convert them into effective ingredients with better activity and bioavailability. The combination of cellulase with other enzymes and physical technologies is a promising strategy for future extraction applications.
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Gronbach M, Kraußer L, Broese T, Oppermann C, Kragl U. Sublimation for Enrichment and Identification of Marker Compounds in Fruits. FOOD ANAL METHOD 2021. [DOI: 10.1007/s12161-020-01954-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
AbstractIn this article, we describe the benefits of sublimation for natural product and food chemistry. The direct sublimation of substances from dried plant powders has not received much attention in research in the past, just like the sublimation of substances from dried plant extracts. We used sublimation to study dried sea buckthorn berry powders and dried sea buckthorn berry extracts. The results of the powder sublimations were compared to that of dried chokeberry, wolfberry, and European cornel powder. 52 marker substances of which 27 are specific for sea buckthorn were found in the sea buckthorn powder sublimates using LC/MS. The majority of them are not described in the literature and were obtained by direct sublimation. Accordingly, sublimation can help to identify new plant constituents. Our identification method was validated by the analysis of four commercially available fruit powders. The sea buckthorn powder showed an almost 80% correlation with the determined marker substances, whereas the other fruit powders did not achieve more than 38% correlation. The sublimates of sea buckthorn extracts show additional marker substances compared to the fruit powder sublimate, and we think that both techniques can be used to fight food fraud.
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Alara OR, Abdurahman NH, Ukaegbu CI. Extraction of phenolic compounds: A review. Curr Res Food Sci 2021; 4:200-214. [PMID: 33899007 PMCID: PMC8058613 DOI: 10.1016/j.crfs.2021.03.011] [Citation(s) in RCA: 210] [Impact Index Per Article: 70.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/23/2021] [Accepted: 03/26/2021] [Indexed: 01/09/2023] Open
Abstract
Phenolic compounds are parts of secondary metabolites mostly found in plant species with enormous structural diversities. They can exist as glycosides or aglycones; matrix or free-bound compounds; and comprising mostly polymerized or monomer structures. Additionally, these compounds are not universally dispensed within plants with varied stability. This has contributed to challenging extraction processes; implying that employing a single step or inappropriate extraction technique might change the recovery of phenolic components from the plant samples. Hence, it is important to select an appropriate extraction method so as to recover the targeted phenolic compounds. This is will helps to recover substantial yields from the sample matrix. Therefore, this review mainly focuses on the phenolic compounds and several methods of extraction that are used to obtaining them from plant materials. These extraction methods includes both conventional and unconventional techniques. Phenolic compounds from natural sources. Methods of extracting phenolic compounds. Selection of an appropriate extraction method to recover the targeted phenolic compounds from plant materials.
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Affiliation(s)
- Oluwaseun Ruth Alara
- Department of Chemical Engineering, College of Engineering, Universiti Malaysia Pahang, 26300, Gambang, Pahang, Malaysia
| | - Nour Hamid Abdurahman
- Department of Chemical Engineering, College of Engineering, Universiti Malaysia Pahang, 26300, Gambang, Pahang, Malaysia
| | - Chinonso Ishamel Ukaegbu
- Department of Biological Sciences, Faculty of Science, Kings University, P.M.B. 555, Odeomu, Osun State, Nigeria
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Milovanovic I, Zengin G, Maksimovic S, Tadic V. Supercritical and ultrasound-assisted extracts from Pleurotus pulmonarius mushroom: chemical profiles, antioxidative, and enzyme-inhibitory properties. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:2284-2293. [PMID: 33006768 DOI: 10.1002/jsfa.10849] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 09/08/2020] [Accepted: 10/02/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND This study provides an insight into the impact of ultrasound-assisted extraction with water as solvent (UAEW) and extraction by supercritical carbon dioxide (SC-CO2 ) with 5% EtOH on antioxidant and enzyme inhibitory activity in regard to the chemical profile of the edible and medicinal mushroom, Pleurotus pulmonarius. RESULTS Extraction efficiency was between 0.36% and 63.32%, depending on the extraction technique. The main compounds in the extracts were fatty acids. Supercritical CO2 extraction with co-solvent was the most suitable method for obtaining extracts that were rich in ergosterol content, reaching a value of 40.1 mg g-1 . The UAEW of crude mushroom powder ensured the highest yield, as well as the extracts with best antioxidative activity. The measurements of enzyme inhibitory activity revealed that all types of investigated extracts exhibited only tyrosinase and amylase inhibition at a significant level. CONCLUSION Based on our results, the extraction methods significantly affected the chemical profile and bioactivity of P. pulmonarius. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Ivan Milovanovic
- Faculty of Technology and Metallurgy, University of Belgrade, Innovation Center, Belgrade, Serbia
| | - Gokhan Zengin
- Department of Biology, University of Selcuk, Faculty of Science, Konya, Turkey
| | - Svetolik Maksimovic
- Faculty of Technology and Metallurgy, University of Belgrade, Belgrade, Serbia
| | - Vanja Tadic
- Institute for Medicinal Plant research "Dr Josif Pančić", Belgrade, Serbia
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Panter F, Bader CD, Müller R. Synergizing the potential of bacterial genomics and metabolomics to find novel antibiotics. Chem Sci 2021; 12:5994-6010. [PMID: 33995996 PMCID: PMC8098685 DOI: 10.1039/d0sc06919a] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 03/22/2021] [Indexed: 12/13/2022] Open
Abstract
Antibiotic development based on natural products has faced a long lasting decline since the 1970s, while both the speed and the extent of antimicrobial resistance (AMR) development have been severely underestimated. The discovery of antimicrobial natural products of bacterial and fungal origin featuring new chemistry and previously unknown mode of actions is increasingly challenged by rediscovery issues. Natural products that are abundantly produced by the corresponding wild type organisms often featuring strong UV signals have been extensively characterized, especially the ones produced by extensively screened microbial genera such as streptomycetes. Purely synthetic chemistry approaches aiming to replace the declining supply from natural products as starting materials to develop novel antibiotics largely failed to provide significant numbers of antibiotic drug leads. To cope with this fundamental issue, microbial natural products science is being transformed from a 'grind-and-find' study to an integrated approach based on bacterial genomics and metabolomics. Novel technologies in instrumental analytics are increasingly employed to lower detection limits and expand the space of detectable substance classes, while broadening the scope of accessible and potentially bioactive natural products. Furthermore, the almost exponential increase in publicly available bacterial genome data has shown that the biosynthetic potential of the investigated strains by far exceeds the amount of detected metabolites. This can be judged by the discrepancy between the number of biosynthetic gene clusters (BGC) encoded in the genome of each microbial strain and the number of secondary metabolites actually detected, even when considering the increased sensitivity provided by novel analytical instrumentation. In silico annotation tools for biosynthetic gene cluster classification and analysis allow fast prioritization in BGC-to-compound workflows, which is highly important to be able to process the enormous underlying data volumes. BGC prioritization is currently accompanied by novel molecular biology-based approaches to access the so-called orphan BGCs not yet correlated with a secondary metabolite. Integration of metabolomics, in silico genomics and molecular biology approaches into the mainstream of natural product research will critically influence future success and impact the natural product field in pharmaceutical, nutritional and agrochemical applications and especially in anti-infective research.
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Affiliation(s)
- Fabian Panter
- Department of Microbial Natural Products, Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Department of Pharmacy, Saarland University Campus E8 1 66123 Saarbrücken Germany
- German Centre for Infection Research (DZIF) Partner Site Hannover-Braunschweig Germany
- Helmholtz International Lab for Anti-infectives Campus E8 1 66123 Saarbrücken Germany
| | - Chantal D Bader
- Department of Microbial Natural Products, Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Department of Pharmacy, Saarland University Campus E8 1 66123 Saarbrücken Germany
- German Centre for Infection Research (DZIF) Partner Site Hannover-Braunschweig Germany
| | - Rolf Müller
- Department of Microbial Natural Products, Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Department of Pharmacy, Saarland University Campus E8 1 66123 Saarbrücken Germany
- German Centre for Infection Research (DZIF) Partner Site Hannover-Braunschweig Germany
- Helmholtz International Lab for Anti-infectives Campus E8 1 66123 Saarbrücken Germany
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Dou Z, He X, Xu P, Zhang B, Ding L. Rapid separation and purification of two C25 steroids with bicyclic [4.4.1] A/B rings from the marine fungus Aspergillus sp. LS116 by high-speed counter-current chromatography in stepwise elution mode. Nat Prod Res 2021; 36:3770-3774. [PMID: 33583278 DOI: 10.1080/14786419.2021.1885404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Two C25 steroids with bicyclic [4.4.1] A/B rings were successfully separated from the marine fungus Aspergillus sp. LS116 by a two-step high-speed counter current chromatography (HSCCC). Petroleum ether/ethyl acetate/methanol/water (5.5:11:5:7, v/v) and petroleum ether/ethyl acetate/methanol/water (5:6:5:7, v/v) were selected as two optimum two-phase systems to purify two C25 steroids, neocyclocitrinol B (1) and threo-23-O-methylneocyclocitrinol (2). The purity of two compounds was over 94%. Their structures were determined by comprehensive spectroscopic techniques. This is the first report about rapid separation and identification of C25 steroids with bicyclic [4.4.1] A/B rings by HSCCC.
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Affiliation(s)
- Zhende Dou
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Ningbo University, Ningbo, China
| | - Xiaoping He
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Ningbo University, Ningbo, China
| | - Peng Xu
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Ningbo University, Ningbo, China
| | - Bin Zhang
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Ningbo University, Ningbo, China
| | - Lijian Ding
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Ningbo University, Ningbo, China
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Liu D, Han Y, Zhou H, Jin H, Kang H, Huang F, Liu Y, Liang X. Offline preparative three-dimensional HPLC for systematic and efficient purification of alkaloids from Gelsemium elegans Benth. J Chromatogr A 2021; 1640:461935. [PMID: 33556681 DOI: 10.1016/j.chroma.2021.461935] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/01/2022]
Abstract
The natural compound library is the most productive source in drug discovery and alkaloids are the most potential drug leads in natural compounds. Presently, systematic purification of alkaloids remains a substantial challenge. In this study, we developed an offline preparative three-dimensional HPLC (3D-HPLC) method to resolve the problem of systematic purification of alkaloids. Ten Gelsemium standards were used in the construction of the method to evaluate several factors, including column selectivity, column loadability and separation orthogonality. The offline 3D-HPLC method achieved great orthogonal selectivity and resolution power using different stationary phases, mobile phases at different pH, and different mobile phase additives. Application of this 3D-HPLC method to Gelsemium elegans Benth. was evaluated, and 24 indole alkaloids were finally isolated, including four new alkaloids and one first-identified in this plant. Moreover, a total of 229 compounds were estimated to be obtained in this plant, almost twice the number of known Gelsemium alkaloids. Therefore, this 3D-HPLC method will be efficient for systematic purification of alkaloids from Gelsemium elegans Benth. and has the potential for alkaloid preparation from other plants.
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Affiliation(s)
- Dian Liu
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China; University of Chinese Academy of Sciences, Beijing, China
| | - Yang Han
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China; University of Chinese Academy of Sciences, Beijing, China
| | - Han Zhou
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Hongli Jin
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Hongjian Kang
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China; University of Chinese Academy of Sciences, Beijing, China
| | | | - Yanfang Liu
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China.
| | - Xinmiao Liang
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China.
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Chen C, Li R, Li D, Shen F, Xiao G, Zhou J. Extraction and purification of saponins from Sapindus mukorossi. NEW J CHEM 2021. [DOI: 10.1039/d0nj04047a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fermentation was used to further purify saponins extracted from the pericarp of Sapindus; both the purity and foam half-life was greatly increased.
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Affiliation(s)
- Chunyan Chen
- College of Chemistry and Chemical Engineering
- Southwest Petroleum University
- Chengdu 610500
- China
| | - Ruili Li
- College of Chemistry and Chemical Engineering
- Southwest Petroleum University
- Chengdu 610500
- China
| | - Dongsheng Li
- College of Chemistry and Chemical Engineering
- Southwest Petroleum University
- Chengdu 610500
- China
| | - Fangyuan Shen
- College of Chemistry and Chemical Engineering
- Southwest Petroleum University
- Chengdu 610500
- China
| | - Guoqing Xiao
- College of Chemistry and Chemical Engineering
- Southwest Petroleum University
- Chengdu 610500
- China
| | - Jian Zhou
- Technical Center
- China Tobacco Sichuan Industrial Co. Ltd
- Chengdu 610066
- China
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Piroozmand F, Mohammadipanah F, Faridbod F. Emerging biosensors in detection of natural products. Synth Syst Biotechnol 2020; 5:293-303. [PMID: 32954023 PMCID: PMC7484522 DOI: 10.1016/j.synbio.2020.08.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 08/23/2020] [Accepted: 08/25/2020] [Indexed: 01/10/2023] Open
Abstract
Natural products (NPs) are a valuable source in the food, pharmaceutical, agricultural, environmental, and many other industrial sectors. Their beneficial properties along with their potential toxicities make the detection, determination or quantification of NPs essential for their application. The advanced instrumental methods require time-consuming sample preparation and analysis. In contrast, biosensors allow rapid detection of NPs, especially in complex media, and are the preferred choice of detection when speed and high throughput are intended. Here, we review diverse biosensors reported for the detection of NPs. The emerging approaches for improving the efficiency of biosensors, such as microfluidics, nanotechnology, and magnetic beads, are also discussed. The simultaneous use of two detection techniques is suggested as a robust strategy for precise detection of a specific NP with structural complexity in complicated matrices. The parallel detection of a variety of NPs structures or biological activities in a mixture of extract in a single detection phase is among the anticipated future advancements in this field which can be achieved using multisystem biosensors applying multiple flow cells, sensing elements, and detection mechanisms on miniaturized folded chips.
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Affiliation(s)
- Firoozeh Piroozmand
- Pharmaceutical Biotechnology Lab, Department of Microbial Biotechnology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, 14155-6455, Tehran, Iran
| | - Fatemeh Mohammadipanah
- Pharmaceutical Biotechnology Lab, Department of Microbial Biotechnology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, 14155-6455, Tehran, Iran
| | - Farnoush Faridbod
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
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36
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Cao Y, Chen X, Feng S, Wan Y, Luo J. Nanofiltration for Decolorization: Membrane Fabrication, Applications and Challenges. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c04277] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Yang Cao
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100190, PR China
| | - Xiangrong Chen
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100190, PR China
| | - Shichao Feng
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100190, PR China
| | - Yinhua Wan
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100190, PR China
| | - Jianquan Luo
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100190, PR China
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37
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Mroczek T, Dymek A, Widelski J, Wojtanowski KK. The Bioassay-Guided Fractionation and Identification of Potent Acetylcholinesterase Inhibitors from Narcissus c.v. 'Hawera' Using Optimized Vacuum Liquid Chromatography, High Resolution Mass Spectrometry and Bioautography. Metabolites 2020; 10:metabo10100395. [PMID: 33020380 PMCID: PMC7599570 DOI: 10.3390/metabo10100395] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/18/2020] [Accepted: 10/01/2020] [Indexed: 12/20/2022] Open
Abstract
Bioassay-guided isolation of bioactive compound is a modern and efficient technique in metabolites screening. It may shorten the total time of the entire process and reduce some costs of it. The aim of this paper was to fractionate and isolate alkaloids by developing an innovative vacuum liquid chromatography method for a species of Narcissus c.v. ‘Hawera’ rarely investigated so far and establishing the inhibitory activity of acetylcholinesterase (AChE). The studies consisted of the extraction of plant material by modern pressurized liquid extraction (PLE), followed by the isolation of alkaloidal fractions. For this purpose, the pioneering gradient vacuum liquid chromatography (gVLC) technique was employed by using two sorbents in various proportions packed in polypropylene cartridges for the first time. This step was performed in order to pre-clean the samples but also to establish the best combination of sorbents which permits obtaining potentially strong AChE inhibitors. The collected fractions were examined by HPLC/ESI-QTOF-MS in order to compare which combination of sorbents would allow us to obtain the highest concentration of alkaloids. The combination of these techniques confirmed the presence of the alkaloids and enabled the development of a modern method for the fractionation and isolation of the compounds with strong anti-AChE activity.
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38
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Qiu Y, He D, Yang J, Ma L, Zhu K, Cao Y. Kaempferol separated from Camellia oleifera meal by high-speed countercurrent chromatography for antibacterial application. Eur Food Res Technol 2020; 246:2383-2397. [PMID: 32837313 PMCID: PMC7415335 DOI: 10.1007/s00217-020-03582-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/24/2020] [Accepted: 07/25/2020] [Indexed: 01/06/2023]
Abstract
Natural biologically active substances have received continuous attention for the potentially beneficial health properties against chronic diseases. In this study, bacteriostatic active substance from Camellia oleifera meal, which is a major by-product of the Camellia oil processing industry, were extracted with continuous phase change extraction (CPCE) method and separated by HSCCC. Compared with traditional extraction methods, CPCE possessed higher extraction efficiency. Two main substances were separated and purified (above 90.0%). The structure of them were further identified by UV, LC-ESI-MS-MS, 1H-NMR, and 13C-NMR as flavonoids F2 kaempferol 3-O-[β-d-glucopyranosyl-(1 → 2)-α-l-rhamnopyranosyl-(1 → 6)]-β-d-glucopyranoside and J2 kaempferol 3-O-[β-d-xylopyranosyl-(1 → 2)-α-l-rhamnopyranosyl-(1 → 6)]-β-d-glucopyranoside for the first time in C. Oleifera meal. The results of antibacterial activity measurement showed that both compounds have excellent antibacterial activity. And the antibacterial stability of F2 were finally confirmed: F2 showed broad spectrum antibacterial activity against Escherichia coli, Staphylococcus aureus, Salmonella enteriditis, Bacillus thuringiensis, Aspergillus niger and Rhizopus nigricans. Besides, F2 exhibited relatively high stable property even at high temperature, acid and metal ion solutions. The findings of this work suggest the possibility of employing C. oleifera meal as an attractive source of health-promoting compounds, and at the same time facilitate its high-value reuse and reduction of environmental burden.
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Affiliation(s)
- Yuanxin Qiu
- School of Light Industry and Food, Zhongkai University of Agricultural and Engineering, Guangzhou, 510220 China
| | - Di He
- School of Light Industry and Food, Zhongkai University of Agricultural and Engineering, Guangzhou, 510220 China
| | - Jingxian Yang
- School of Light Industry and Food, Zhongkai University of Agricultural and Engineering, Guangzhou, 510220 China
| | - Lukai Ma
- School of Light Industry and Food, Zhongkai University of Agricultural and Engineering, Guangzhou, 510220 China
| | - Kaiqi Zhu
- School of Light Industry and Food, Zhongkai University of Agricultural and Engineering, Guangzhou, 510220 China
| | - Yong Cao
- School of Food Science and Engineering, South China Agricultural University, No. 483 Wushan Road, Wushan Street, Tianhe District, Guangzhou, 510000 China
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Deans BJ, Just J, Smith JA, Bissember AC. Development and Applications of Water‐based Extraction Methods in Natural Products Isolation Chemistry. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000210] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Bianca J. Deans
- School of Natural Sciences ChemistryUniversity of Tasmania Hobart Australia
| | - Jeremy Just
- School of Natural Sciences ChemistryUniversity of Tasmania Hobart Australia
| | - Jason A. Smith
- School of Natural Sciences ChemistryUniversity of Tasmania Hobart Australia
| | - Alex C. Bissember
- School of Natural Sciences ChemistryUniversity of Tasmania Hobart Australia
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Qi J, Wang D, Yin X, Zhang Q, Gao JM. New Metabolite With Inhibitory Activity Against α-Glucosidase and α-Amylase From Endophytic Chaetomium globosum. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20941338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
An efficient bioactive tracking separation strategy based on liquid-liquid extraction and high-speed counter-current chromatography (HSCCC) was developed and used to isolate bioactive natural products from the endophytic fungus Chaetomium globosum residing in Ginkgo biloba. Using HSCCC, the novel metabolite chaetoglobol acid (1) as well as 11 known compounds (2-12), including 6 chlorinated azaphilones and 3 cytochalasans, were successfully isolated. The structure of compound 1 was elucidated through spectroscopic analyses and HRESIMS data. Compound 1 possesses a rare C11-polyketide skeleton. All isolates were evaluated for their α-glucosidase and α-amylase inhibitory activities in vitro. Compound 1 showed high inhibition against α-glucosidase (IC50 = 3.04 μM), 18-fold higher than that of acarbose (IC50 = 54.74 μM), and also displayed moderate inhibitory activity against α-amylase (IC50 = 22.18 μM). As the results indicated that 1 has inhibitory effects against both α-glucosidase and α-amylase, 1 may be a promising candidate for mediating type 2 diabetes.
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Affiliation(s)
- Jianzhao Qi
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Dacheng Wang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Xia Yin
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Qiang Zhang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
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Abstract
Covering: up to 2020The transcription factor NRF2 is one of the body's major defense mechanisms, driving transcription of >300 antioxidant response element (ARE)-regulated genes that are involved in many critical cellular processes including redox regulation, proteostasis, xenobiotic detoxification, and primary metabolism. The transcription factor NRF2 and natural products have an intimately entwined history, as the discovery of NRF2 and much of its rich biology were revealed using natural products both intentionally and unintentionally. In addition, in the last decade a more sinister aspect of NRF2 biology has been revealed. NRF2 is normally present at very low cellular levels and only activated when needed, however, it has been recently revealed that chronic, high levels of NRF2 can lead to diseases such as diabetes and cancer, and may play a role in other diseases. Again, this "dark side" of NRF2 was revealed and studied largely using a natural product, the quassinoid, brusatol. In the present review, we provide an overview of NRF2 structure and function to orient the general reader, we will discuss the history of NRF2 and NRF2-activating compounds and the biology these have revealed, and we will delve into the dark side of NRF2 and contemporary issues related to the dark side biology and the role of natural products in dissecting this biology.
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Affiliation(s)
- Donna D Zhang
- Department of Pharmacology and Toxicology, College of Pharmacy, The University of Arizona, Tucson, AZ 85721, USA.
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42
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Zhang L, Wu S. Hydrophobic and hydrophilic interactions in countercurrent chromatography. J Chromatogr A 2020; 1611:460576. [DOI: 10.1016/j.chroma.2019.460576] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 06/20/2019] [Accepted: 09/26/2019] [Indexed: 11/25/2022]
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Iwata T, Fukase K, Nakao Y, Tanaka K. Efficient Synthesis of Marine Alkaloid Ageladine A and its Structural Modification for Exploring New Biological Activity. J SYN ORG CHEM JPN 2020. [DOI: 10.5059/yukigoseikyokaishi.78.51] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
| | | | | | - Katsunori Tanaka
- Biofunctional Synthetic Chemistry Laboratory, RIKEN Cluster for Pioneering Research
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Ahmad Dar A, Sangwan P, Kumar A. Chromatography: An important tool for drug discovery. J Sep Sci 2019; 43:105-119. [DOI: 10.1002/jssc.201900656] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/25/2019] [Accepted: 11/03/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Alamgir Ahmad Dar
- Bio‐organic Chemistry DivisionCSIR‐Indian Institute of Integrative Medicine Jammu India
| | - P.L. Sangwan
- Bio‐organic Chemistry DivisionCSIR‐Indian Institute of Integrative Medicine Jammu India
| | - Anil Kumar
- Synthetic Organic Chemistry Laboratory, Faculty of SciencesShri Mata Vaishno Devi University Katra India
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Extractive silylation method for high throughput GC analysis of flaxseed cyanogenic glycosides. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1132:121816. [PMID: 31706183 DOI: 10.1016/j.jchromb.2019.121816] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 09/23/2019] [Accepted: 09/24/2019] [Indexed: 11/24/2022]
Abstract
The reported methods for the estimation of CG are indirect, long and tedious uses solvent extraction which results in lower recoveries due to several co-eluted components. The present study aims to develop and validate a high throughput method for the analysis of cyanogenic glycosides (CG) in flaxseed using extractive silylation. The experimental procedure comprised of preparation of trimethylsilyl (TMS) derivatives of CG, their quantitation through gas chromatography with flame ionization detector (GC-FID) and further characterization by LC-MS/MS. Different validation parameters determined in the experiment include the relative standard deviation both inter-day and intraday less than 5%, recovery in the range of 79.9-112.7%, limit of detection 4.72-6.43 µg/mL and limit of quantitation 14.31-19.50 µg/mL. Combinations of silylation reagent were screened in a central composite experimental design in order to examine their effect on the extraction recovery. Finally, the developed method was applied successfully to quantify CG in various flaxseed cultivars. Advantages of the extractive silylation are simple preparation, short reaction times and the combination of extraction and silylation in one step which indicate that the method has the potential to sensitively and accurately determine CG where large numbers of samples are being routinely analysed.
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Separation and purification of wortmannilactone analogues by three-liquid-phase salting-out extraction coupled with column chromatography. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.05.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Lankatillake C, Huynh T, Dias DA. Understanding glycaemic control and current approaches for screening antidiabetic natural products from evidence-based medicinal plants. PLANT METHODS 2019; 15:105. [PMID: 31516543 PMCID: PMC6731622 DOI: 10.1186/s13007-019-0487-8] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 08/20/2019] [Indexed: 05/15/2023]
Abstract
Type 2 Diabetes Mellitus has reached epidemic proportions as a result of over-nutrition and increasingly sedentary lifestyles. Current therapies, although effective, are not without limitations. These limitations, the alarming increase in the prevalence of diabetes, and the soaring cost of managing diabetes and its complications underscores an urgent need for safer, more efficient and affordable alternative treatments. Over 1200 plant species are reported in ethnomedicine for treating diabetes and these represents an important and promising source for the identification of novel antidiabetic compounds. Evaluating medicinal plants for desirable bioactivity goes hand-in-hand with methods in analytical biochemistry for separating and identifying lead compounds. This review aims to provide a comprehensive summary of current methods used in antidiabetic plant research to form a useful resource for researchers beginning in the field. The review summarises the current understanding of blood glucose regulation and the general mechanisms of action of current antidiabetic medications, and combines knowledge on common experimental approaches for screening plant extracts for antidiabetic activity and currently available analytical methods and technologies for the separation and identification of bioactive natural products. Common in vivo animal models, in vitro models, in silico methods and biochemical assays used for testing the antidiabetic effects of plants are discussed with a particular emphasis on in vitro methods such as cell-based bioassays for screening insulin secretagogues and insulinomimetics. Enzyme inhibition assays and molecular docking are also highlighted. The role of metabolomics, metabolite profiling, and dereplication of data for the high-throughput discovery of novel antidiabetic agents is reviewed. Finally, this review also summarises sample preparation techniques such as liquid-liquid extraction, solid phase extraction, and supercritical fluid extraction, and the critical function of nuclear magnetic resonance and high resolution liquid chromatography-mass spectrometry for the dereplication, putative identification and structure elucidation of natural compounds from evidence-based medicinal plants.
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Affiliation(s)
- Chintha Lankatillake
- School of Health and Biomedical Sciences, Discipline of Laboratory Medicine, RMIT University, Bundoora, 3083 Australia
| | - Tien Huynh
- School of Science, RMIT University, Bundoora, VIC 3083 Australia
| | - Daniel A. Dias
- School of Health and Biomedical Sciences, Discipline of Laboratory Medicine, RMIT University, Bundoora, 3083 Australia
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Cvetković M, Damjanović A, Stanojković TP, Đorđević I, Tešević V, Milosavljević S, Gođevac D. Integration of dry-column flash chromatography with NMR and FTIR metabolomics to reveal cytotoxic metabolites from Amphoricarpos autariatus. Talanta 2019; 206:120248. [PMID: 31514863 DOI: 10.1016/j.talanta.2019.120248] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 08/06/2019] [Accepted: 08/09/2019] [Indexed: 11/26/2022]
Abstract
Metabolomics generate a profile of small molecules from plant extracts, which could be directly responsible for bioactivity effects. Using dry-column flash chromatography enabled a rapid and inexpensive method for the very efficient separation of plant extract with a high resolution. This separation method coupled to NMR and FTIR-based metabolomics is applied to identify bioactive natural products. OPLS multivariate analysis method, was used for correlation the chemical composition of the plant extracts, Amphoricarpos autariatus, with the results of cytotoxic activity against Human cervical adenocarcinoma cell line (HeLa) and epithelial lung cancer cell line (A549). In this way, the highest contribution to the cytotoxic activity was recorded for the guaianolide sesquiterpene lactones named amphoricarpolides. The compounds indicated as bioactive after metabolomics analysis were tested, and their cytotoxic activity were confirmed.
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Affiliation(s)
- Mirjana Cvetković
- Institute of Chemistry, Technology and Metallurgy, National Institute, University of Belgrade, Studentskitrg12-16, 11000, Belgrade, Serbia
| | - Ana Damjanović
- Institute of Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia
| | | | - Iris Đorđević
- Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobođenja 18, 11000 Belgrade, Serbia
| | - Vele Tešević
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Slobodan Milosavljević
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Dejan Gođevac
- Institute of Chemistry, Technology and Metallurgy, National Institute, University of Belgrade, Studentskitrg12-16, 11000, Belgrade, Serbia.
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Utility of dry load injection for an efficient natural products isolation at the semi-preparative chromatographic scale. J Chromatogr A 2019; 1598:85-91. [DOI: 10.1016/j.chroma.2019.03.042] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 03/19/2019] [Accepted: 03/20/2019] [Indexed: 01/01/2023]
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He X, Ding L, Yi M, Xu J, Zhou X, Zhang W, He S. Separation of five diketopiperazines from the marine fungusAlternaria alternateHK‐25 by high‐speed counter‐current chromatography. J Sep Sci 2019; 42:2510-2516. [DOI: 10.1002/jssc.201801284] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Revised: 05/21/2019] [Accepted: 05/21/2019] [Indexed: 11/09/2022]
Affiliation(s)
- Xiaoping He
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research CenterCollege of Food and Pharmaceutical SciencesNingbo University Ningbo P. R. China
| | - Lijian Ding
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research CenterCollege of Food and Pharmaceutical SciencesNingbo University Ningbo P. R. China
| | - Mengqi Yi
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research CenterCollege of Food and Pharmaceutical SciencesNingbo University Ningbo P. R. China
| | - Jianzhou Xu
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research CenterCollege of Food and Pharmaceutical SciencesNingbo University Ningbo P. R. China
| | - Xuezhen Zhou
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research CenterCollege of Food and Pharmaceutical SciencesNingbo University Ningbo P. R. China
| | - Weiyan Zhang
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research CenterCollege of Food and Pharmaceutical SciencesNingbo University Ningbo P. R. China
| | - Shan He
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research CenterCollege of Food and Pharmaceutical SciencesNingbo University Ningbo P. R. China
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