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Sousa AC, Ribeiro C, Gonçalves VMF, Pádua I, Leal S. Chromatographic Methods for Detection and Quantification of Pyrrolizidine Alkaloids in Flora, Herbal Medicines, and Food: An Overview. Crit Rev Anal Chem 2023:1-25. [PMID: 37300809 DOI: 10.1080/10408347.2023.2218476] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Pyrrolizidine alkaloids (PAs) are natural toxins produced by some plants that gained special interest due to their potential hazardous effects in humans and animals. These substances have been found in wild flora, herbal medicines and food products raising health concerns. Recently, maximum concentration levels of PAs were established for some food products; however, maximum daily intake frequently surpasses the upper limit set by the competent authorities posing a health risk. Given the scarcity or absence of occurrence data on PAs in many products, there is an urgent need to measure their levels and establish safety intake levels. Analytical methods have been reported to detect and quantify PAs in different matrices. The commonly used chromatographic methodologies provides accurate and reliable results. Analytical methods include diverse steps as extraction and sample preparation procedures that are critical for sensitivity and selectivity of the analytical method. Great efforts have been directed toward optimization of extraction procedures, clean up and chromatographic conditions to improve recovery, reduce matrix effects, and achieve low limits of detection and quantification. Therefore, this paper aims to give a general overview about the occurrence of PAs in flora, herbal medicines, and foodstuff; and discuss the different chromatographic methodologies used for PAs analysis, namely extraction and sample preparation procedures and chromatographic conditions.
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Affiliation(s)
- Ana Catarina Sousa
- TOXRUN - Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, Gandra, Portugal
| | - Cláudia Ribeiro
- TOXRUN - Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, Gandra, Portugal
| | - Virgínia M F Gonçalves
- TOXRUN - Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, Gandra, Portugal
- UNIPRO - Oral Pathology and Rehabilitation Research Unit, University Institute of Health Sciences (IUCS), CESPU, Gandra, Portugal
| | - Inês Pádua
- TOXRUN - Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, Gandra, Portugal
- Epidemiology Unit - Institute of Public Health of University of Porto (ISPUP), Porto, Portugal
| | - Sandra Leal
- TOXRUN - Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, Gandra, Portugal
- CINTESIS-RISE, MEDCIDS, Faculty of Medicine, University of Porto, Porto, Portugal
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Al-Subaie SF, Alowaifeer AM, Mohamed ME. Pyrrolizidine Alkaloid Extraction and Analysis: Recent Updates. Foods 2022; 11:foods11233873. [PMID: 36496681 PMCID: PMC9740414 DOI: 10.3390/foods11233873] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/20/2022] [Accepted: 11/22/2022] [Indexed: 12/03/2022] Open
Abstract
Pyrrolizidine alkaloids are natural secondary metabolites that are mainly produced in plants, bacteria, and fungi as a part of an organism's defense machinery. These compounds constitute the largest class of alkaloids and are produced in nearly 3% of flowering plants, most of which belong to the Asteraceae and Boraginaceae families. Chemically, pyrrolizidine alkaloids are esters of the amino alcohol necine (which consists of two fused five-membered rings including a nitrogen atom) and one or more units of necic acids. Pyrrolizidine alkaloids are toxic to humans and mammals; thus, the ability to detect these alkaloids in food and nutrients is a matter of food security. The latest advances in the extraction and analysis of this class of alkaloids are summarized in this review, with special emphasis on chromatographic-based analysis and determinations in food.
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Affiliation(s)
- Sarah F. Al-Subaie
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Reference Laboratory for Food Chemistry, Saudi Food and Drug Authority (SFDA), Riyadh 11561, Saudi Arabia
| | - Abdullah M. Alowaifeer
- Reference Laboratory for Food Chemistry, Saudi Food and Drug Authority (SFDA), Riyadh 11561, Saudi Arabia
| | - Maged E. Mohamed
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Correspondence: ; Tel.: +966-542990226
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Cheng S, Sun W, Zhao X, Wang P, Zhang W, Zhang S, Chang X, Ye Z. Simultaneous Determination of 32 Pyrrolizidine Alkaloids in Two Traditional Chinese Medicine Preparations by UPLC-MS/MS. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2022; 2022:7611501. [PMID: 36161105 PMCID: PMC9492412 DOI: 10.1155/2022/7611501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 07/29/2022] [Indexed: 06/16/2023]
Abstract
Pyrrolizidine alkaloids (PAs) constitute a class of phytotoxin which demonstrates strong hepatotoxicity. In China, many plants containing PAs are used as traditional medicines or medicinal preparations, which could harm human health and safety. Xiaoyao Tablet (XYT) is an antidepressant drug registered in the European Union (EU), Compound Danshen Dropping Pills (CDDP) is a commonly used drug for coronary heart disease, and phase III clinical study is ongoing in the United States. The purpose of this study is to provide data to support the use of Chinese medicine preparations internationally and to establish analytical methods for 32 PAs in XYT and CDDP. The extraction parameters that were optimized include solid-phase extraction (SPE) cartridge, extraction method, and extraction solvent. Then ultra-performance liquid chromatography coupled with triple-quadrupole linear ion-traptandem mass spectrometry (UPLC-MS/MS) was developed to effectively and efficiently quantify the 32 PAs of the XYT and CDDP. The analytical methods for XYT and CDDP were verified respectively. For XYT, the analytical method for 32 PAs was linear, and the correlation coefficient r was greater than 0.994; the recovery (REC%) at 10-2000 μg/kg was 73.3%-118.5%, and the relative standard deviation (RSD%) was 2.1%-15.4%. The CDDP REC% was 71.8%-112.0%, and the RSD% was 2.0%-17.1%. This study provides technical and data support for the registration of Chinese patented medicines in the EU, controls quality and ensures safety, and is committed to the internationalization and standardization of Chinese patented medicines.
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Affiliation(s)
- Shi Cheng
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China
| | - Wei Sun
- International Industry Center, Tasly Pharmaceutical Group Co. Ltd., Tianjin 300410, China
| | - Xiaoning Zhao
- International Industry Center, Tasly Pharmaceutical Group Co. Ltd., Tianjin 300410, China
| | - Ping Wang
- International Industry Center, Tasly Pharmaceutical Group Co. Ltd., Tianjin 300410, China
| | - Wensheng Zhang
- International Industry Center, Tasly Pharmaceutical Group Co. Ltd., Tianjin 300410, China
| | - Shunnan Zhang
- International Industry Center, Tasly Pharmaceutical Group Co. Ltd., Tianjin 300410, China
| | - Xiangwei Chang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
- Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Hefei 230012, China
- Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei 230012, China
| | - Zhengliang Ye
- International Industry Center, Tasly Pharmaceutical Group Co. Ltd., Tianjin 300410, China
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Stefova E, Cvetanoska M, Bogdanov J, Matevski V, Stanoeva JP. Assessment of Distribution and Diversity of Pyrrolizidine Alkaloids in the Most Prevalent Boraginaceae Species in Macedonia. Chem Biodivers 2022; 19:e202200066. [PMID: 35581149 DOI: 10.1002/cbdv.202200066] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 05/17/2022] [Indexed: 11/06/2022]
Abstract
Systematic study of extraction efficiency of pyrrolizidine alkaloids (PAs) and corresponding pyrrolizidine alkaloid N-oxides (PANOs) from plant material for subsequent LC/MS analysis was carried out. The optimal extraction was achieved with methanol and one clean up step using SPE C18 column. With the optimized LC-ESI-MS/MS method using ion trap, the distribution and diversity of PAs and PANOs in plant material (leaves, flowers and stems) obtained from wild-growing E. vulgare, E. italicum, S. officinale L., C. creticum and O. heterophylla species from Macedonia was assessed. These widespread Boraginaceae species contain various PAs and PANOs and 25 of them were identified. Based on these qualitative and quantitative analyses, the profiles of 1,2-unsaturated PAs for each sample were obtained and their toxic potential was estimated. The toxic potential of O. heterophylla and C. creticum were assumed to be highest (containing up to 4753 mg/kg and 3507 mg/kg), followed by E. vulgare (up to 1340 mg/kg), S. officinale L. (up to 479 mg/kg) and E. italicum (up to 16 mg/kg). This method can be used for monitoring the inclusion of these secondary metabolites in the food chain in order to contribute in their risk management.
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Affiliation(s)
- Elena Stefova
- Institute of Chemistry, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje, R. N. Macedonia
| | - Marinela Cvetanoska
- Institute of Chemistry, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje, R. N. Macedonia
| | - Jane Bogdanov
- Institute of Chemistry, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje, R. N. Macedonia
| | - Vlado Matevski
- Institute of Biology, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje, R. N. Macedonia.,Macedonian Academy of Sciences and Arts, Krste Misirkov 2, 1000, Skopje, R. N. Macedonia
| | - Jasmina Petreska Stanoeva
- Institute of Chemistry, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje, R. N. Macedonia
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