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Li YC, Wu CH, Le TH, Yuan Q, Huang L, Chen GF, Yang ML, Lam SH, Hung HY, Sun H, Wu YH, Kuo PC, Wu TS. A Modified 1H-NMR Quantification Method of Ephedrine Alkaloids in Ephedrae Herba Samples. Int J Mol Sci 2023; 24:11272. [PMID: 37511036 PMCID: PMC10378770 DOI: 10.3390/ijms241411272] [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: 06/29/2023] [Revised: 07/07/2023] [Accepted: 07/09/2023] [Indexed: 07/30/2023] Open
Abstract
A previous 1H-NMR method allowed the quantification of ephedrine alkaloids; however, there were some disadvantages. The cyclized derivatives resulted from the impurities of diethyl ether were identified and benzene was selected as the better extraction solvent. The locations of ephedrine alkaloids were confirmed with 2D NMR. Therefore, a specific 1H-NMR method has been modified for the quantification of ephedrine alkaloids. Accordingly, twenty Ephedrae Herba samples could be classified into three classes: (I) E. sinica-like species; (II) E. intermedia-like species; (III) others (lower alkaloid contents). The results indicated that ephedrine and pseudoephedrine are the major alkaloids in Ephedra plants, but the concentrations vary greatly determined by the plant species and the collection locations.
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Affiliation(s)
- Yue-Chiun Li
- School of Pharmacy, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan; (Y.-C.L.); (T.H.L.); (M.-L.Y.); (S.-H.L.); (H.-Y.H.)
| | - Chia-Hung Wu
- School of Post-Baccalaureate Chinese Medicine, China Medical University, Taichung 404, Taiwan;
| | - Thi Ha Le
- School of Pharmacy, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan; (Y.-C.L.); (T.H.L.); (M.-L.Y.); (S.-H.L.); (H.-Y.H.)
| | - Qingjun Yuan
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100010, China; (Q.Y.); (L.H.)
| | - Luqi Huang
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100010, China; (Q.Y.); (L.H.)
| | - Guo-Fen Chen
- Department of Chemistry, National Chung-Hsing University, Taichung 402, Taiwan;
| | - Mei-Lin Yang
- School of Pharmacy, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan; (Y.-C.L.); (T.H.L.); (M.-L.Y.); (S.-H.L.); (H.-Y.H.)
| | - Sio-Hong Lam
- School of Pharmacy, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan; (Y.-C.L.); (T.H.L.); (M.-L.Y.); (S.-H.L.); (H.-Y.H.)
| | - Hsin-Yi Hung
- School of Pharmacy, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan; (Y.-C.L.); (T.H.L.); (M.-L.Y.); (S.-H.L.); (H.-Y.H.)
| | - Handong Sun
- Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China;
| | - Yi-Hung Wu
- Hsinhua Forest Station, The Experimental Forest Management Office, National Chung-Hsing University, Taichung 402, Taiwan;
| | - Ping-Chung Kuo
- School of Pharmacy, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan; (Y.-C.L.); (T.H.L.); (M.-L.Y.); (S.-H.L.); (H.-Y.H.)
| | - Tian-Shung Wu
- School of Pharmacy, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan; (Y.-C.L.); (T.H.L.); (M.-L.Y.); (S.-H.L.); (H.-Y.H.)
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Comparison of ephedrine and pseudoephedrine contents in 34 Kampo extracts containing Ephedrae Herba used clinically in Japan. J Nat Med 2023; 77:476-488. [PMID: 36854954 DOI: 10.1007/s11418-023-01687-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 02/15/2023] [Indexed: 03/02/2023]
Abstract
Ephedrae Herba is among the important crude drugs prescribed in Kampo medicine for the treatment of cold, flue, rhinitis, nasal congestion, cough, and asthma. The active ingredients of Ephedrae Herba, ephedrine (E) and pseudoephedrine (PE), are potent sympathomimetic compounds that stimulate α-, β1-, and β2-adrenoceptors resulting in dilatation and alleviation of nasal mucosal hyperemia. Hypertension, palpitations, insomnia, and dysuria are the main adverse effects of E and PE, which can be avoided by determining the actual contents of these alkaloids in Kampo extracts containing Ephedrae Herba. However, the extraction efficiencies of E and PE from Ephedrae Herba contained in Kampo formulas in combination with other crude drugs remain unknown. Therefore, we comprehensively determined the E and PE contents of 34 Kampo extracts containing Ephedrae Herba used clinically in Japan. The E and PE contents per daily dosage in Kampo extracts were generally proportional to the compounding amount of Ephedrae Herba. In contrast, the extraction efficiencies of E or PE were not constant and not influenced by the pH of the extracts. We assume that the extraction efficiencies of E and PE may be independently affected by other constituent crude drugs. Thus, it is necessary to investigate the cause and mechanism in the future. In conclusion, these results show that the E and PE content of each Kampo formulation can be estimated from the compounding amount of Ephedrae Herba. Therefore, the amount of Ephedrae Herba should be carefully considered to ensure the safe use of Kampo formulations containing Ephedrae Herba.
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Development and Validation of a Novel HPLC Method for the Determination of Ephedrine Hydrochloride in Nasal Ointment. SEPARATIONS 2022. [DOI: 10.3390/separations9080198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A simple, precise, and cost-effective reverse phase ion pair chromatographic (RP-IP-HPLC) method was developed and validated for the determination of Ephedrine Hydrochloride in a nasal ointment. A simple and fast extraction protocol was developed for the effective recovery of the analyte, and for this purpose, Bromhexine Hydrochloride was used as the internal standard. The mobile phase consisted of MeOH, Sodium Lauryl Sulfate (SLS) 49.8 mM, triethylamine (ET3N) in the ratio of 65:34.6:0.4%, respectively, with pH = 2.20. The detection of the compounds was carried out at 206 nm, and we used a PDA detector. A short run time was achieved with retention times of 6.3 min and 9.8 min for ephedrine hydrochloride and the internal standard, respectively. The proposed method was validated according to ICH guidelines. Linearity was confirmed in the range of 50–150 μg/mL. Recoveries results were within the range of 98–102% and precision < 2% for the analyte in spiked blank matrix. Robustness testing was conducted via a fractional factorial experimental design. The method was found to fulfill the required specifications for specificity and stability for both standard solutions and samples, as well and applied to the determination of ephedrine hydrochloride in nasal ointments produced by the Greek Military Pharmaceutical Laboratories.
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Elmansi H, Belal F, Magdy G. Determination of pholcodine alone or in combination with ephedrine in human plasma using fluorescence spectroscopy. Sci Rep 2022; 12:9372. [PMID: 35672340 PMCID: PMC9174196 DOI: 10.1038/s41598-022-13194-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 05/23/2022] [Indexed: 11/18/2022] Open
Abstract
In this study, sensitive, facile, and cost-effective spectrofluorimetric approaches were developed for the determination of pholcodine and ephedrine. Method I is a novel spectrofluorimetric method depending on measuring the native fluorescence of pholcodine at 337 nm after excitation at 284 nm over a concentration range of 0.01-2.4 μg/mL. The method sensitivity reached quantitation and detection limits down to 10.0 and 5.0 ng/mL, respectively. Method II relied on the simultaneous estimation of pholcodine and ephedrine using synchronous fluorimetry for the first time. The cited drugs were measured concurrently at 286 and 304 nm for pholcodine and ephedrine, respectively at Δλ of 40 nm without interference. Excellent linear relationship between concentration and response was obtained over the ranges of 0.05-6.0 μg/mL and 0.02-1.0 μg/mL for pholcodine and ephedrine, respectively. The method showed distinct sensitivity and exhibited quantitation limits of 20.0 and 10.0 ng/mL and detection limits of 10.0 and 5.0 ng/mL, respectively. The method was successfully applied to the syrup dosage form. The two developed approaches were also applied to in-vitro plasma samples, showing good bioanalytical applicability and providing further insights for monitoring drug abuse. The proposed methods were validated according to ICHQ2(R1) guidelines. The proposed methodologies' greenness profiles were evaluated using two greenness assessment tools.
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Affiliation(s)
- Heba Elmansi
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
| | - Fathalla Belal
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
| | - Galal Magdy
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Kafrelsheikh University, P.O. Box 33511, Kafrelsheikh, Egypt.
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Wahba ME, El Wasseef D, Saad AS, Draz ME. Calixarene based portable sensor for the direct assay of indiscriminate ephedrine content of weight loss herbal preparations. RSC Adv 2021; 11:12833-12844. [PMID: 35423800 PMCID: PMC8697355 DOI: 10.1039/d0ra10254g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 03/26/2021] [Indexed: 11/21/2022] Open
Abstract
A novel potentiometric sensor was developed and optimized for the quantitative analysis of ephedrine in non-prescribed herbal supplements used as adjunctive therapy for weight loss. An initial optimization study aimed to reach the optimum membrane composition, sensor assembly, and experimental conditions. The study evaluated the effect of several factors on the sensor performance including different ion-exchangers, plasticizers, ionophores, membrane thicknesses, soaking solution concentrations, soaking time intervals, and pH. The optimized polyvinyl chloride membrane included tungstophosphoric acid hydrate as a cation exchanger, tricresyl phosphate as a plasticizer, and calix[8]arene as an ionophore to enhance the sensitivity and selectivity of the developed sensor. The polyvinyl chloride membrane was drop-casted over a polyaniline modified glassy carbon electrode surface to form a solid-state sensor. The proposed membrane succeeded to quantify ephedrine over a linear range of 6 × 10-6 to 1 × 10-2 M with a LOD of 3.60 × 10-6 M, acceptable selectivity, and fast response time. The IUPAC characterization of sensor response and International Conference on Harmonization validation parameters were calculated. The method successfully determined ephedrine concentration in spiked herbal mixtures and determined labeled and undeclared ephedrine content of weight loss herbal preparations.
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Affiliation(s)
- Mary E Wahba
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Delta University for Science and Technology Gamasa Egypt
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University Mansoura 35516 Egypt
| | - Dalia El Wasseef
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Delta University for Science and Technology Gamasa Egypt
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University Mansoura 35516 Egypt
| | - Ahmed S Saad
- Department of Analytical Chemistry, Faculty of Pharmacy, Cairo University 11562 Cairo Egypt +20-1004009443
- Pharmaceutical Chemistry Department, School of Pharmacy and Pharmaceutical Industries, Badr University in Cairo (BUC) Badr City 11829 Cairo Egypt
| | - Mohammed E Draz
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Delta University for Science and Technology Gamasa Egypt
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A Rapid and Feasible 1H-NMR Quantification Method of Ephedrine Alkaloids in Ephedra Herbal Preparations. Molecules 2021; 26:molecules26061599. [PMID: 33805790 PMCID: PMC8001580 DOI: 10.3390/molecules26061599] [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: 02/04/2021] [Revised: 03/05/2021] [Accepted: 03/10/2021] [Indexed: 11/17/2022] Open
Abstract
A highly specific and sensitive proton nuclear magnetic resonance (1H-NMR) method has been developed for the quantification of ephedrine alkaloid derivatives in Ephedra herbal commercial prescriptions. At the region of δ 4.0 to 5.0 ppm in the 1H NMR spectrum, the characteristic signals are separated well from each other, and six analogues in total, methylephedrine (ME), ephedrine (EP), norephedrine (NE), norpseudoephedrine (NP), pseudoephedrine (PE), and methylpseudoephedrine (MP) could be identified. The quantities of these compounds are calculated by the relative ratio of the integral values of the target peak for each compound to the known concentrations of the internal standard anthracene. The present method allows for a rapid and simple quantification of ephedrine alkaloid derivatives in Ephedra-related commercial prescriptions without any preliminary purification steps and standard compounds, and accordingly it can be a powerful tool to verify different Ephedra species. In comparison to conventional chromatographic methods, the advantages of this method include the fact that no standard compounds are required, the quantification can be directly performed on the crude extracts, a better selectivity for various ephedrine alkaloid derivatives, and the fact that a very significant time-gain may be achieved.
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Simultaneous Quantification of Eight Marker Components in Traditional Herbal Formula, Haepyoyijin-Tang Using HPLC–PDA. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10113888] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Haepyoyijin-tang (HPYJT) is a traditional herbal prescription that is composed of 12 medicinal herbs. Although HPYJT is frequently used in patients with asthma in Korea, no quality assessment protocols have been developed. In the present study, qualitative and quantitative analyses were performed using high-performance liquid chromatography and liquid chromatography–tandem mass spectrometry on the eight main components (mulberroside A, amygalin, liquiritin apioside, liquiritin, narirutin, hesperidin, rosmarinic acid, and glycyrrhizinic acid) to establish a quality control protocol for HPYJT. The simultaneous analysis method developed was satisfactorily validated with respect to linearity, limit of detection, limit of quantification, recovery, and precision. This analytical method thus provides an efficient approach for the evaluation of HPYJT quality.
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Shu T, Yang X, Li W, Yao X. Raman Spectroscopic Differences between Ephedrine and Pseudoephedrine. J Forensic Sci 2019; 64:1482-1485. [DOI: 10.1111/1556-4029.14015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 01/10/2019] [Accepted: 01/17/2019] [Indexed: 11/29/2022]
Affiliation(s)
- Tianmin Shu
- Department of Criminal Investigation The Third Research Institute of the Ministry of Public Security No. 76, Yueyang Road, Xuhui District Shanghai China 200031
| | - Xing Yang
- College of Chemistry and Chemical Engineering Lanzhou University No. 222, South Tianshui Road, Chengguan District Lanzhou Gansu Province China 730000
| | - Wenbo Li
- Department of Criminal Investigation The Third Research Institute of the Ministry of Public Security No. 76, Yueyang Road, Xuhui District Shanghai China 200031
| | - Xiaojun Yao
- College of Chemistry and Chemical Engineering Lanzhou University No. 222, South Tianshui Road, Chengguan District Lanzhou Gansu Province China 730000
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Comparative Pharmacokinetics and Bioavailability of Three Ephedrines in Rat after Oral Administration of Unprocessed and Honey-Fried Ephedra Extract by Response Surface Experimental Design. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 2017:2802193. [PMID: 28706557 PMCID: PMC5494778 DOI: 10.1155/2017/2802193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 04/12/2017] [Indexed: 11/17/2022]
Abstract
Ephedra have been used as a common traditional Chinese medicine for thousands of years. However, the perspiration effect of the unprocessed ephedra was too strong. Clinical trials have shown that processing methods play a critical role in moderating the perspiration property of ephedra according to the needs. A LC-MS/MS method was developed and validated to compare the pharmacokinetic properties of the three ephedrines after oral administration of unprocessed and honey-fried ephedra extract. The contents of honey, frying temperature, and frying time were set at 20%, 116°C, and 7 min by the Box-Behnken response surface method, respectively. In the pharmacokinetics study, the biosamples were pretreated and extracted by protein precipitation method with acetonitrile and separated on an Agilent TC-C18 column (250 mm × 4.6 mm, 5 μm) using a mobile phase consisting of 0.1% formic acid methanol and 5 mM ammonium acetate aqueous solution (5 : 95, v/v). All calibration curves were linear (r > 0.9932) with lower limits of quantitation (LLOQs) < 12 ng/mL. The mean recoveries of the three analytes were higher than 75%. The pharmacokinetics study indicated that the reduced absorption of ephedrine hydrochloride (EH) and pseudoephedrine hydrochloride (PEH) in honey-fried ephedra group might be the main reason for the moderation of the diaphoretic property.
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Kim KH, Lee JY, Kwun MJ, Choi JY, Han CW, Ha KT, Jeong SI, Jeong HS, Joo M. Therapeutic effect of Mahaenggamseok-tang on neutrophilic lung inflammation is associated with NF-κB suppression and Nrf2 activation. JOURNAL OF ETHNOPHARMACOLOGY 2016; 192:486-495. [PMID: 27660010 DOI: 10.1016/j.jep.2016.09.040] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Revised: 09/06/2016] [Accepted: 09/18/2016] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Mahaenggamseok-tang (MHGST), an herbal formula in traditional Asian medicine, has been used to treat patients with various pulmonary diseases including common cold and influenza. However, the potential therapeutic effect of MHGST on acute lung injury (ALI), a leading cause of death worldwide, and the anti-inflammatory mechanisms of MHGST remained less understood. MATERIALS AND METHODS The methanol extract of MHGST was prepared and fingerprinted by HPLC. For the induction of ALI, C57BL/6 mice (n=5/group) received a single intraperitoneal (i.p.) injection of LPS. Referring to the dose for patients, two different amounts of MHGST were delivered in an aerosol to mouse lungs via trachea 2h after the i.p. LPS administration. Lung histology, bronchoalveolar lavage fluid, myeloperoxidase (MPO) activity, and the expression of inflammatory and Nrf2-dependent genes were analyzed to determine the effect of MHGST on lung inflammation. For mechanistic studies, western blotting and semi-quantitative RT-PCR were conducted using RAW 264.7 cells. RESULTS When administered 2h after the onset of ALI, MHGST relieved lung pathology characteristic to ALI, with decreases of neutrophil infiltration and MPO activity. While suppressing the expression of inflammatory genes, MHGST increased the expression of Nrf2-dependent genes in ALI mouse lungs. Concordantly, MHGST activated Nrf2 activity while suppressing NF-κB in RAW 264.7 cells. CONCLUSION MHGST suppressed neutrophilic lung inflammation, a hallmark of ALI, which was associated with the activation of anti-inflammatory Nrf2 and the suppression of pro-inflammatory NF-κB. Our results suggest that MHGST has a therapeutic potential against ALI.
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Affiliation(s)
- Kyun Ha Kim
- School of Korean Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Ji Yeon Lee
- School of Korean Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Min Jung Kwun
- School of Korean Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Jun-Young Choi
- Department of Internal Medicine, Korean Medicine Hospital, Pusan National University, Yangsan 50612, Republic of Korea
| | - Chang Woo Han
- Department of Internal Medicine, Korean Medicine Hospital, Pusan National University, Yangsan 50612, Republic of Korea
| | - Ki-Tae Ha
- School of Korean Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Seung-Il Jeong
- Jeonju Biomaterials Institute, Jeonju 561-360, Republic of Korea
| | - Han-Sol Jeong
- School of Korean Medicine, Pusan National University, Yangsan 50612, Republic of Korea.
| | - Myungsoo Joo
- School of Korean Medicine, Pusan National University, Yangsan 50612, Republic of Korea.
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Wang JW, Chiang MH, Lu CM, Tsai TH. Determination the active compounds of herbal preparation by UHPLC–MS/MS and its application on the preclinical pharmacokinetics of pure ephedrine, single herbal extract of Ephedra , and a multiple herbal preparation in rats. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1026:152-161. [DOI: 10.1016/j.jchromb.2015.12.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2015] [Revised: 12/10/2015] [Accepted: 12/14/2015] [Indexed: 11/25/2022]
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Moustafa AA, Hegazy MA, Mohamed D, Ali O. Evaluation of multivariate calibration models with different pre-processing and processing algorithms for a novel resolution and quantitation of spectrally overlapped quaternary mixture in syrup. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 154:76-83. [PMID: 26519913 DOI: 10.1016/j.saa.2015.10.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 10/06/2015] [Accepted: 10/19/2015] [Indexed: 06/05/2023]
Abstract
A novel approach for the resolution and quantitation of severely overlapped quaternary mixture of carbinoxamine maleate (CAR), pholcodine (PHL), ephedrine hydrochloride (EPH) and sunset yellow (SUN) in syrup was demonstrated utilizing different spectrophotometric assisted multivariate calibration methods. The applied methods have used different processing and pre-processing algorithms. The proposed methods were partial least squares (PLS), concentration residuals augmented classical least squares (CRACLS), and a novel method; continuous wavelet transforms coupled with partial least squares (CWT-PLS). These methods were applied to a training set in the concentration ranges of 40-100 μg/mL, 40-160 μg/mL, 100-500 μg/mL and 8-24 μg/mL for the four components, respectively. The utilized methods have not required any preliminary separation step or chemical pretreatment. The validity of the methods was evaluated by an external validation set. The selectivity of the developed methods was demonstrated by analyzing the drugs in their combined pharmaceutical formulation without any interference from additives. The obtained results were statistically compared with the official and reported methods where no significant difference was observed regarding both accuracy and precision.
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Affiliation(s)
- Azza A Moustafa
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr-El Aini Street, 11562 Cairo, Egypt
| | - Maha A Hegazy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr-El Aini Street, 11562 Cairo, Egypt
| | - Dalia Mohamed
- Analytical Chemistry Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), 11787 6th October City, Egypt; Analytical Chemistry Department, Faculty of Pharmacy, Helwan University, Ein Helwan, 11795, Cairo, Egypt
| | - Omnia Ali
- Analytical Chemistry Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), 11787 6th October City, Egypt.
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Temerdashev AZ, Grigoriev AM, Rybalchenko IV. Narcotic substances of natural origin and methods of their determination. JOURNAL OF ANALYTICAL CHEMISTRY 2015. [DOI: 10.1134/s1061934816010135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Chen Y, Morlock GE. Layer-Induced Sensitivity Enhancement in Planar Chromatography–Bioluminescence–Mass Spectrometry: Application to Alkaloids. Chromatographia 2015. [DOI: 10.1007/s10337-015-2994-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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15
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Chen L, Kotani A, Hakamata H, Tsutsumi R, Hayashi Y, Wang Z, Kusu F. Repeatability Assessment by ISO 11843-7 in Quantitative HPLC for Herbal Medicines. ANAL SCI 2015; 31:903-9. [PMID: 26353956 DOI: 10.2116/analsci.31.903] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
We have proposed an assessment methods to estimate the measurement relative standard deviation (RSD) of chromatographic peaks in quantitative HPLC for herbal medicines by the methodology of ISO 11843 Part 7 (ISO 11843-7:2012), which provides detection limits stochastically. In quantitative HPLC with UV detection (HPLC-UV) of Scutellaria Radix for the determination of baicalin, the measurement RSD of baicalin by ISO 11843-7:2012 stochastically was within a 95% confidence interval of the statistically obtained RSD by repetitive measurements (n = 6). Thus, our findings show that it is applicable for estimating of the repeatability of HPLC-UV for determining baicalin without repeated measurements. In addition, the allowable limit of the "System repeatability" in "Liquid Chromatography" regulated in a pharmacopoeia can be obtained by the present assessment method. Moreover, the present assessment method was also successfully applied to estimate the measurement RSDs of quantitative three-channel liquid chromatography with electrochemical detection (LC-3ECD) of Chrysanthemi Flos for determining caffeoylquinic acids and flavonoids. By the present repeatability assessment method, reliable measurement RSD was obtained stochastically, and the experimental time was remarkably reduced.
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Affiliation(s)
- Liangmian Chen
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences
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Zhou L, Qi W, Xu C, Makino T, Yuan D. A rapid method for simultaneous determination of 52 marker compounds in Xiao-Qing-Long-Tang by ultra high performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry. J Sep Sci 2014; 37:3260-7. [PMID: 25195593 DOI: 10.1002/jssc.201400669] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Revised: 08/17/2014] [Accepted: 08/20/2014] [Indexed: 12/22/2022]
Abstract
Xiao-Qing-Long-Tang (XQLT) is a classical Chinese medicine formula. It is generally used for the treatment of common cold, bronchial asthma, and allergic rhinitis in Asia. In this study, a multicomponent quantification fingerprinting approach based on ultra high performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry has been developed for the analysis of compounds in XQLT in 14.5 min. A total of 52 compounds were identified by co-chromatography of sample extract with authentic standards and comparing the retention time, UV spectra, molecular ions and characteristic fragment ions with those of authentic standards, or tentatively identified by MS(E) determination along with Mass Fragment software. Moreover, the method was validated for the simultaneous quantification of 16 components in XQLT commercial products. The method is practical for comprehensive standardization of XQLT and holistic comparison of its commercial products from different manufacturers.
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Affiliation(s)
- Lei Zhou
- Department of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang, China
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17
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Sumino M, Saito Y, Ikegami F, Namiki T. A Simultaneous Determination of Principal Compounds in Tokishakuyakusan by High-Performance Liquid Chromatography with Diode Array Detector. J Chromatogr Sci 2014; 53:320-4. [DOI: 10.1093/chromsci/bmu062] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Zhou J, Gao G, Chu Q, Wang H, Rao P, Ke L. Chromatographic isolation of nanoparticles from Ma-Xing-Shi-Gan-Tang decoction and their characterization. JOURNAL OF ETHNOPHARMACOLOGY 2014; 151:1116-1123. [PMID: 24384378 DOI: 10.1016/j.jep.2013.12.029] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Revised: 12/09/2013] [Accepted: 12/18/2013] [Indexed: 05/19/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The herbal decoction is a complex dispersion system containing solutes, colloid, aggregates, emulsions and precipitates. In which phase bioactive phytochemicals are dispersed determines their delivery, action and metabolism. This study took ephedrine, a well-studied and widely used phytochemical, as an example to elucidate its exact distribution in the phases of Ma-Xing-Shi-Gan-Tang decoction (MXSGT), which is an Ephedra sinica Stapf. containing traditional Chinese medicinal formula, and the biological meaning of this distribution correspondingly. It may provide an important update to the safety and efficacy assessment of the herbal decoction and its active phytochemicals. MATERIALS AND METHODS In this study, the decoction was fractionated with size-exclusion chromatography coupled with multi-angle laser light scattering detector. The morphology of fractionated nanoparticles was observed with AFM and SEM. The bioactivities of the decoction, the ephedrine alkaloids loaded NPs (prepared by chromatography isolation) and the synthetic ephedrine were assessed by cell proliferation tests using five cell lines, namely Caco-2, L-02, Hep-G2, NR-8383, and Hela-229. RESULTS Nanoparticles with radii of gyration ranged from 50 to 150 nm were isolated, in spherical shape. Further analysis of nanoparticles on the subsequent reversed phase chromatography revealed that the majority of ephedrine (99.7%) and pseudoephedrine (95.5%) were associated with these nanoparticles, rather than dispersed freely in the real solution. The addition of both the herbal decoction and the separated ephedrine-loaded nanoparticles reserved higher cell viability/proliferation than that of the sole synthetic ephedrine among the Caco-2, L-02, Hep-G2, and NR-8383 cells. In contrast, the nanoparticles reduced the proliferating power of ephedrine on Hela-229 cells. In general, the ephedrine-loaded NPs conducted the intermediate influences on the cell viability, in either way. CONCLUSIONS The colloidal nanoparticles were separated from the decoction. The association of ephedrine alkaloids with nanoparticles was demonstrated and may have changed the bioactivity of the alkaloids. The naturally occurred colloidal nanoparticles may play an important role in the pharmacological properties of both the decoction and its active phytochemicals, therefore warrant further studies.
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Affiliation(s)
- Jianwu Zhou
- CAS.SIBS-Zhejiang Gongshang University Joint Centre for Food and Nutrition Sciences, Zhejiang Gongshang University, Hangzhou 310035, China; Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China
| | - Guanzhen Gao
- CAS.SIBS-Zhejiang Gongshang University Joint Centre for Food and Nutrition Sciences, Zhejiang Gongshang University, Hangzhou 310035, China; Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China
| | - Qiuping Chu
- Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China
| | - Huiqin Wang
- CAS.SIBS-Zhejiang Gongshang University Joint Centre for Food and Nutrition Sciences, Zhejiang Gongshang University, Hangzhou 310035, China; Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China
| | - Pingfan Rao
- CAS.SIBS-Zhejiang Gongshang University Joint Centre for Food and Nutrition Sciences, Zhejiang Gongshang University, Hangzhou 310035, China; Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China
| | - Lijing Ke
- CAS.SIBS-Zhejiang Gongshang University Joint Centre for Food and Nutrition Sciences, Zhejiang Gongshang University, Hangzhou 310035, China; Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China.
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Abdel-Ghani NT, Rizk MS, Mostafa M. Extractive determination of ephedrine hydrochloride and bromhexine hydrochloride in pure solutions, pharmaceutical dosage form and urine samples. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 111:131-141. [PMID: 23624039 DOI: 10.1016/j.saa.2013.03.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Revised: 02/22/2013] [Accepted: 03/03/2013] [Indexed: 06/02/2023]
Abstract
Simple, rapid, sensitive, precise and accurate spectrophotometeric methods for the determination of ephedrine hydrochloride (E-HCl) and bromhexine hydrochloride (Br-HCl) in bulk samples, dosage form and in spiked urine samples were investigated. The methods are based on the formation of a yellow colored ion-associates due to the interaction between the examined drugs with picric acid (PA), chlorophyllin coppered trisodium salt (CLPH), alizarin red (AR) and ammonium reineckate (Rk) reagents. A buffer solution had been used and the extraction was carried out using organic solvent, the ion associates exhibit absorption maxima at 410, 410, 430 and 530 nm of (Br-HCl)with PA, CLPH, AR and Rk respectively; 410, 410, 435 and 530 of (E-HCl) with PA, CLPH, AR and Rk respectively. (E-HCl) and (Br-HCl) could be determined up to 13, 121, 120 and 160; 25, 200, 92 and 206 μg mL(-1), using PA, CLPH, AR and Rk respectively. The optimum reaction conditions for quantitative analysis were investigated. In addition, the molar absorptivity, Sandell sensitivity were determined for the investigated drug. The correlation coefficient was ≥0.995 (n=6) with a relative standard deviation (RSD) ≤1.15 for five selected concentrations of the reagents. Therefore the concentration of Br-HCl and E-HCl drugs in their pharmaceutical formulations and spiked urine samples had been determined successfully.
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Affiliation(s)
- N T Abdel-Ghani
- Chemistry Department, Faculty of Science, Cairo University, Egypt.
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Pei L, Bao Y, Liu S, Zheng J, Chen X. Material basis of Chinese herbal formulas explored by combining pharmacokinetics with network pharmacology. PLoS One 2013; 8:e57414. [PMID: 23468985 PMCID: PMC3585395 DOI: 10.1371/journal.pone.0057414] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Accepted: 01/23/2013] [Indexed: 02/07/2023] Open
Abstract
The clinical application of Traditional Chinese medicine (TCM), using several herbs in combination (called formulas), has a history of more than one thousand years. However, the bioactive compounds that account for their therapeutic effects remain unclear. We hypothesized that the material basis of a formula are those compounds with a high content in the decoction that are maintained at a certain level in the system circulation. Network pharmacology provides new methodological insights for complicated system studies. In this study, we propose combining pharmacokinetic (PK) analysis with network pharmacology to explore the material basis of TCM formulas as exemplified by the Bushen Zhuanggu formula (BZ) composed of Psoralea corylifolia L., Aconitum carmichaeli Debx., and Cnidium monnieri (L.) Cuss. A sensitive and credible liquid chromatography tandem mass spectrometry (LC-MS/MS) method was established for the simultaneous determination of 15 compounds present in the three herbs. The concentrations of these compounds in the BZ decoction and in rat plasma after oral BZ administration were determined. Up to 12 compounds were detected in the BZ decoction, but only 5 could be analyzed using PK parameters. Combined PK results, network pharmacology analysis revealed that 4 compounds might serve as the material basis for BZ. We concluded that a sensitive, reliable, and suitable LC-MS/MS method for both the composition and pharmacokinetic study of BZ has been established. The combination of PK with network pharmacology might be a potent method for exploring the material basis of TCM formulas.
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Affiliation(s)
- Lixia Pei
- Pharmacology Laboratory of Traditional Chinese Medicine, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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21
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Wang Y, Sumino M, Chino A, Ikegami F. Improvement of decocting method for Kampo medicines using a microwave oven to extend its applications in clinical practice. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/ojpm.2013.39072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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22
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Van Thuyne W, Van Eenoo P, Delbeke FT. Nutritional supplements: prevalence of use and contamination with doping agents. Nutr Res Rev 2012; 19:147-58. [PMID: 19079882 DOI: 10.1079/nrr2006122] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Based upon recent sales numbers, nutritional supplements play a key role in the lifestyle of a substantial proportion of the population. As well as products such as vitamins or minerals, several precursors of anabolic steroids are marketed as nutritional supplements. Another group of commercially available supplements are products for weight loss based upon herbal formulations originating from Ephedra species. Apart from supplements indicating the presence of these active compounds, numerous non-hormonal nutritional supplements were found that were contaminated with non-labelled anabolic steroids. Stimulating agents other than naturally occurring analogues of ephedrine were detected. A major group using dietary supplements are sportsmen, ranging from amateur level to elite athletes. Besides the possible health risks associated with the use of dietary supplements, athletes should take care not to violate the rules of the World Anti-Doping Agency because athletes remain responsible for substances detected in their biofluids, irrespective of their origin. Several analytical methods have been developed to determine the presence of doping agents as contaminants. The present review attempts to address the issues concerning the use of nutritional supplements and the detection of doping agents as contaminants in dietary supplements.
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Affiliation(s)
- W Van Thuyne
- Doping Control Laboratory, Department of Clinical Biology, Microbiology and Immunology, Faculty of Medicine and Health Sciences, Ghent University - UGent, Technologiepark 30B, B-9052 Zwijnaarde, Belgium
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Chen Y, Li X, Chen F, Zhu Q, Luo J. Simultaneous determination of ephedra alkaloids in traditional chinese medicines by high-performance liquid chromatography. ACTA CHROMATOGR 2012. [DOI: 10.1556/achrom.24.2012.3.10] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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24
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Fernandes IPG, Oliveira SCB, Ghalkhani M, Shahrokhian S, Oliveira-Brett AM. Electrochemical Oxidation Mechanisms of the Antioxidants Daidzein and 7-Hydroxy-4-chromone. ELECTROANAL 2012. [DOI: 10.1002/elan.201100629] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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25
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Liu YM, Li J, Yang Y, Du J, Mei L. Separation and determination of ephedra alkaloids in traditional Chinese medicine and human urines by capillary electrophoresis coupled with electrochemiluminescence detection. CAN J CHEM 2012. [DOI: 10.1139/v11-143] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A new approach for the simultaneous determination of ephedrine, methylephedrine, and pseudoephedrine is developed, using capillary electrophoresis coupled with electrochemiluminescence detection with internal standard method. Separation efficiency and sensitivity were improved by use of an ionic liquid. Parameters affecting separation and detection were investigated in detail. Under optimum conditions, the three ephedra alkaloids were well separated and detected. The limits of detection (S/N = 3) of ephedrine, methylephedrine and pseudoephedrine are 4.0 × 10−8, 6.5 × 10−8, and 4.6 × 10−8 mol/L, respectively. The limits of quantitation (S/N = 10) in human urine are 5.3 × 10−7 mol/L for ephedrine, 9.1 × 10−7 mol/L for methylephedrine, and 6.9 × 10−7 mol/L for pseudoephedrine, respectively. The precision (RSD%) of the peak area and the migration time were from 2.2% to 2.5% and from 0.1% to 0.2% within a day and from 2.7% to 3.9% and from 0.4% to 0.8% in three days. The proposed method was successfully applied to the determination of three analytes in traditional Chinese medicine and human urine, and the monitoring of pharmacokinetics of pseudoephedrine in human body.
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Affiliation(s)
- Yan-Ming Liu
- College of Chemistry and Chemical Engineering, Xinyang Normal University, 237 Chang'an Road, Xinyang 464000, P. R. China
| | - Jie Li
- College of Chemistry and Chemical Engineering, Xinyang Normal University, 237 Chang'an Road, Xinyang 464000, P. R. China
| | - Yang Yang
- College of Chemistry and Chemical Engineering, Xinyang Normal University, 237 Chang'an Road, Xinyang 464000, P. R. China
| | - Junjun Du
- College of Chemistry and Chemical Engineering, Xinyang Normal University, 237 Chang'an Road, Xinyang 464000, P. R. China
| | - Lin Mei
- College of Chemistry and Chemical Engineering, Xinyang Normal University, 237 Chang'an Road, Xinyang 464000, P. R. China
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26
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Surface-bonded ionic liquid stationary phases in high-performance liquid chromatography—A review. Anal Chim Acta 2012; 714:20-37. [DOI: 10.1016/j.aca.2011.11.045] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2011] [Revised: 11/09/2011] [Accepted: 11/21/2011] [Indexed: 11/21/2022]
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27
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Takayama K, Tsutsumi H, Ishizu T, Okamura N. The Influence of Rhein 8- O- β- D-Glucopyranoside on the Purgative Action of Sennoside A from Rhubarb in Mice. Biol Pharm Bull 2012. [DOI: 10.1248/bpb.b12-00632] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Kento Takayama
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University
| | - Hiroyuki Tsutsumi
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University
| | - Takashi Ishizu
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University
| | - Nobuyuki Okamura
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University
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El-Didamony AM, Gouda AA. A novel spectrofluorimetric method for the assay of pseudoephedrine hydrochloride in pharmaceutical formulations via derivatization with 4-chloro-7-nitrobenzofurazan. LUMINESCENCE 2011; 26:510-7. [PMID: 22162453 DOI: 10.1002/bio.1261] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2010] [Revised: 09/17/2010] [Accepted: 09/20/2010] [Indexed: 11/11/2022]
Abstract
A new highly sensitive and specific spectrofluorimetric method has been developed to determine a sympathomimetic drug pseudoephedrine hydrochloride. The present method was based on derivatization with 4-chloro-7-nitrobenzofurazan in phosphate buffer at pH 7.8 to produce a highly fluorescent product which was measured at 532 nm (excitation at 475 nm). Under the optimized conditions a linear relationship and good correlation was found between the fluorescence intensity and pseudoephedrine hydrochloride concentration in the range of 0.5-5 µg mL(-1). The proposed method was successfully applied to the assay of pseudoephedrine hydrochloride in commercial pharmaceutical formulations with good accuracy and precision and without interferences from common additives. Statistical comparison of the results with a well-established method showed excellent agreement and proved that there was no significant difference in the accuracy and precision. The stoichiometry of the reaction was determined and the reaction pathway was postulated.
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Affiliation(s)
- Akram M El-Didamony
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt.
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29
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30
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Fotouhi L, Yamini Y, Molaei S, Seidi S. Comparison of conventional hollow fiber based liquid phase microextraction and electromembrane extraction efficiencies for the extraction of ephedrine from biological fluids. J Chromatogr A 2011; 1218:8581-6. [DOI: 10.1016/j.chroma.2011.09.078] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2011] [Revised: 09/26/2011] [Accepted: 09/28/2011] [Indexed: 11/30/2022]
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31
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Shi Y, Sun C, Gao B, Sun A. Development of a liquid chromatography tandem mass spectrometry method for simultaneous determination of eight adulterants in slimming functional foods. J Chromatogr A 2011; 1218:7655-62. [DOI: 10.1016/j.chroma.2011.08.038] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2011] [Revised: 08/04/2011] [Accepted: 08/11/2011] [Indexed: 01/14/2023]
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32
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Nikolić GS, Žerajić S, Cakić M. Sensitive analytical method for simultaneous analysis of some vasoconstrictors with highly overlapped analytical signals. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2011. [DOI: 10.1134/s0036024411100141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Gatti R, Lotti C. Development and validation of a pre-column reversed phase liquid chromatographic method with fluorescence detection for the determination of primary phenethylamines in dietary supplements and phytoextracts. J Chromatogr A 2011; 1218:4468-73. [DOI: 10.1016/j.chroma.2011.05.044] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2010] [Revised: 12/07/2010] [Accepted: 05/11/2011] [Indexed: 11/28/2022]
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Tang J, Zhou X, Ji H, Xu N, Liu H, Lan G, Wu L. Simultaneous Ion-Pair LC Analysis of Ephedrine and Pseudoephedrine in Rat Liver Microsomal Incubations: Application to In-Vitro Metabolism. Chromatographia 2011. [DOI: 10.1007/s10337-011-1950-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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35
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Simultaneous Determination of Seven Adulterants in Slimming Functional Foods by HPLC–ESI–MS/MS. FOOD ANAL METHOD 2011. [DOI: 10.1007/s12161-010-9192-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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36
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Comparison of chiral electrophoretic separation methods for phenethylamines and application on impurity analysis. J Pharm Biomed Anal 2010; 53:1201-9. [DOI: 10.1016/j.jpba.2010.06.025] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2010] [Revised: 06/21/2010] [Accepted: 06/22/2010] [Indexed: 11/20/2022]
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37
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Ouyang L, Su X, He D, Chen Y, Ma M, Xie Q, Yao S. A study on separation and extraction of four main alkaloids in Macleaya cordata (Willd) R. Br. with strip dispersion hybrid liquid membrane. J Sep Sci 2010; 33:2026-34. [DOI: 10.1002/jssc.201000103] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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38
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Quantitative estimation of trimazolin hydrochloride in pharmaceutical preparation by RP-HPLC method. HEMIJSKA INDUSTRIJA 2009. [DOI: 10.2298/hemind0902087s] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
A sensitive and selective RP-HPLC method was developed and validated for the quantitative determination of trimazolin hydrochloride in nasal drops formulations. The mobile phase composition was water-acetonitrile (50:50, v/v) and the UV detection was carried out at 270 nm. Linearity range in the concentration range of 10 to 110 ?g cm-3. The method was tested and validated for various parameters according to ICH guidelines. The detection and quantization limits were found to be 1.45 and 4.8 ?g cm-3, respectively. The results demonstrated that the procedure for estimation of trimazolin hydrochloride in nasal drops formulations was accurate, precise and reproducible.
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Determination of ephedrine alkaloids in Ephedra natural products using HPLC on a pentafluorophenylpropyl stationary phase. J Pharm Biomed Anal 2008; 48:254-63. [DOI: 10.1016/j.jpba.2007.10.034] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2007] [Revised: 10/15/2007] [Accepted: 10/28/2007] [Indexed: 11/22/2022]
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Ranieri TL, Ciolino LA. Rapid selective screening and determination of ephedrine alkaloids using GC-MS footnote mark. PHYTOCHEMICAL ANALYSIS : PCA 2008; 19:127-35. [PMID: 17879230 DOI: 10.1002/pca.1025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Ephedra (ma huang) has been widely used as an herb or herbal extract in both traditional Chinese medicine and Western world dietary supplements. The effects of Ephedra have been attributed to a series of six ephedrine alkaloids including ephedrine and pseudoephedrine. A GC-MS method for the ephedrine alkaloids is described which couples ammoniacal chloroform as the extraction solvent with a two-stage derivatisation scheme. This scheme produces the O-trimethylsilyl, N-trifluoracetyl derivatives (O-TMS, N-TFA) for the primary and secondary amine alkaloids, and the O-TMS derivatives for the tertiary amine alkaloids. Relatively clean extracts are obtained from complex matrices, and the six ephedrine alkaloids are effectively separated and identified. This approach was also evaluated for quantitative analysis, and was shown to provide quantitative results for ephedrine and pseudoephedrine, and good estimates for the four minor alkaloids. Figures of merit are presented for linearity, detection limits, precision and accuracy. We have applied this approach to the rapid screening and profiling of the ephedrine alkaloids in whole Ephedra plants, liquid plant extracts, dried powder plant extracts and a variety of Ephedra-containing dietary supplements.
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Affiliation(s)
- Tracy L Ranieri
- Forensic Chemistry Center, US Food and Drug Administration, 6751 Steger Dr., Cincinnati, OH 45231, USA
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41
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Yu Z, Cui M, Yan C, Song F, Liu Z, Liu S, Zhang G, Zhang H. Gas-phase chiral discrimination of ephedrine and pseudoephedrine associated with cyclodextrins. JOURNAL OF MASS SPECTROMETRY : JMS 2007; 42:1106-10. [PMID: 17605141 DOI: 10.1002/jms.1249] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
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42
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Song J, Han Q, Qiao C, Yip Y, Xu H. Simultaneous determination of multiple marker constituents in concentrated Gegen Tang granule by high performance liquid chromatography. Chin Med 2007; 2:7. [PMID: 17578586 PMCID: PMC1914348 DOI: 10.1186/1749-8546-2-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2006] [Accepted: 06/20/2007] [Indexed: 11/13/2022] Open
Abstract
Background Concentrated Gegen Tang (GT) granule is a widely available traditional Chinese medicinal product for the treatment of cold and flu. There was no reliable analytical method available for the quality assessment of GT granules. Methods An HPLC method with an Agilent Zorbax SB-Phenyl Stablebond column (250 × 4.6 mm, 5 μm) was developed and validated. The mobile phase gradient was a mixture of 0.1% trifluoroacetic acid (TFA) in acetonitrile (ACN) and 0.1% TFA in water. The detection with a diode-array detector was set at 207, 230, 250 and 275 nm. Seven components, namely puerarin, daidzein, paeoniflorin, cinnamic acid, glycyrrhizin, ephedrine and pseudoephedrine were selected as marker compounds for the evaluation. Results The regression equations revealed good linear relationships (correlation coefficients: 0.9994–0.9998) between the peak areas and concentrations. The recovery was between 98.8% and 101.7% with good precision and accuracy. The quality of GT granule from four different manufacturers was evaluated with this newly developed method. Samples from four manufacturers showed similar profiles but contents of the detected markers varied significantly among manufacturers and batches. Conclusion A new method using high performance liquid chromatography (HPLC) has been developed for simple and reliable quality control of commercial concentrated GT granules. Sensitivity was increased by multi-wavelength detection. The contents of selected marker components in GT granules varied significantly among manufacturers and batches, making it necessary to evaluate the quality of concentrated GT granules in the market.
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Affiliation(s)
- Jingzheng Song
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Shatin, NT, Hong Kong SAR, China
| | - Quanbin Han
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Shatin, NT, Hong Kong SAR, China
| | - Chunfeng Qiao
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Shatin, NT, Hong Kong SAR, China
| | - Yuekeung Yip
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Shatin, NT, Hong Kong SAR, China
| | - Hongxi Xu
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Shatin, NT, Hong Kong SAR, China
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43
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Zhang L, Xu L, Tan XJ, Liao QF, Guo W, Chen XH, Bi KS. Simultaneous Determination of Baicalin, Baicalein, Wogonin, Oxysophocarpine, Oxymatrine and Matrine in the Chinese Herbal Preparation of Sanwu-Huangqin-Tang by Ion-Paired HPLC. Chromatographia 2007. [DOI: 10.1365/s10337-007-0260-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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44
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Ahmed IS, Amin AS. Spectrophotometric microdetermination of phenylephrine hydrochloride in pure and in pharmaceutical formulations using haematoxylin. J Mol Liq 2007. [DOI: 10.1016/j.molliq.2006.04.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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45
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Petrick LM, Wilson TA, Ronald Fawcett W. High-Performance Liquid Chromatography-Ultraviolet-Visible Spectroscopy-Electrospray Ionization Mass Spectrometry Method for Acrylic and Polyester Forensic Fiber Dye Analysis*. J Forensic Sci 2006; 51:771-9. [PMID: 16882218 DOI: 10.1111/j.1556-4029.2006.00155.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A critical point of comparison between a fiber collected from a crime scene and a fiber from a known source is the color. Fiber dye analysis using thin-layer chromatography or ultraviolet (UV)-visible (Vis) microspectrophotometry provides useful, although limited, data for comparison. High-performance liquid chromatography-electrospray ionization mass spectrometry (LC/MS) overcomes these limitations by integrating chromatography, ultraviolet-visible spectroscopy, and mass spectrometry into a single instrument. In order to evaluate the applicability of the LC/MS to forensic fiber dye analysis, a multi-stage chromatographic method using acidified water and acidified acetonitrile was developed that separated and identified a mixture of 15 basic and 13 disperse dye standards. The LC/MS also detected and analyzed dyes extracted from individual 0.5 cm acrylic and polyester fibers, demonstrating its applicability to this type of analysis. With regard to the analysis of disperse dyes in polyester fibers, the replacement of pyridine with acetonitrile in the extraction system allowed direct injection of the extracts into the LC/MS. The advantage of the LC/MS over other instrumental methods of textile dye analysis is demonstrated by the analysis and differentiation of three black acrylic fibers: two fibers had similar UV-Vis spectra but were differentiated with chromatography and two had similar UV-Vis spectra and chromatograms but were differentiated using the mass spectrometer.
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Affiliation(s)
- Lauren M Petrick
- Chemistry Department, University of California at Davis, One Shields Avenue, Davis, CA 95616, USA
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46
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Gay ML, Niemann RA, Musser SM. An isotopically labeled internal standard liquid chromatography-tandem mass spectrometry method for determination of ephedrine alkaloids and synephrine in dietary supplements. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2006; 54:285-91. [PMID: 16417281 DOI: 10.1021/jf051735w] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
We report a simplified analytical procedure for determination of ephedrine alkaloids and synephrine in dietary supplements. Cleanup by simple filtration, when combined with tandem mass spectrometry (MS/MS) detection, provided results comparable to our published method with solid phase extraction (SPE) cleanup and single-stage MS detection with in-source fragmentation. We also compared three mass spectrometric experimental configurations: electrospray (ESI) and atmospheric pressure chemical ionization (APCI) with MS/MS and APCI-MS with fragmentation provided by increasing cone voltage. Because these methods used one isotopically labeled internal standard to determine several different analytes, quantitation errors may arise from susceptibility to ionization suppression caused by the matrix. We therefore compared the results obtained by ESI and APCI ionization.
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Affiliation(s)
- Martha L Gay
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration College Park, Maryland 20740, USA.
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Dinç E, Ozdemir A, Aksoy H, Ustündağ O, Baleanu D. Chemometric Determination of Naproxen Sodium and Pseudoephedrine Hydrochloride in Tablets by HPLC. Chem Pharm Bull (Tokyo) 2006; 54:415-21. [PMID: 16595937 DOI: 10.1248/cpb.54.415] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A new chemometric determination by high-performance liquid chromatography (HPLC) with photodiode array (PDA) detection was implemented for the simultaneous determination of naproxen sodium and pseudoephedrine hydrochloride in tablets. Three chemometric calibration techniques, classical least squares (CLS), principle component regression (PCR) and partial least squares (PLS) were applied to the peak area at multiwavelength PDA detector responses. The combinations of HPLC with chemometric calibration techniques were called HPLC-CLS, HPLC-PCR and HPLC-PLS. For comparison purposes the HPLC method called the classic HPLC method was used to confirm the results obtained from combined HPLC-chemometric calibration techniques. A good chromatographic separation between two drugs with losartan potassium as an internal standard was achieved using a Waters Symmetry C18 Column 5 microm 4.6+/-250 mm and a mobile phase containing 0.2 M acetate buffer and acetonitrile (v/v, 40:60). The multiwavelength PDA detection was measured at five different wavelengths. The chromatograms were recorded as a training set in the mobile phase. Three HPLC-chemometric calibrations and the classic-HPLC method were used to test the synthetic mixtures of naproxen sodium and pseudoephedrine hydrochloride in the presence of the internal standard. The HPLC-chemometric approaches were applied to real samples containing drugs of interest. The experimental results obtained from HPLC-chemometric calibrations were compared with those obtained by a classic HPLC method.
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Affiliation(s)
- Erdal Dinç
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Turkey.
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48
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Lam JWH, Gardner GJ, McCooeye M, Fraser CA, Sturgeon RE. A systematic approach to quantitation of ephedra alkaloids in natural health products. Anal Bioanal Chem 2005; 383:268-81. [PMID: 16132134 DOI: 10.1007/s00216-005-3386-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2005] [Revised: 06/02/2005] [Accepted: 06/06/2005] [Indexed: 10/25/2022]
Abstract
A method for accurate determination of ephedrine (E) alkaloids in natural health products (NHP) is described. The NIST dietary supplement standard reference materials (SRMs) were selected for these studies. These SRMs comprise ground Ma Huang herb (Ephedra sinica Stapf.), a spray dried extract of the former, and commercial formulations derived from gel caps and a protein drink. The efficiency of sonication-assisted extraction and Soxhlet extraction was studied using both ammonium formate and potassium phosphate in 3% methanol as extraction media. The efficiency of SPE clean-up of the extract deteriorated rapidly when increasing amounts of sample matrix or analyte were processed, because of limited cartridge capacity. Quantitation by the method of additions was required to ensure the highest accuracy using both LC-UV and ES-LC-MS-MS techniques. Whereas the LC-UV method is more convenient and precise, the results are more questionable than ES-LC-MS-MS, because species-specific detection is not possible.
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Affiliation(s)
- Joseph W H Lam
- National Research Council Canada, Institute for National Measurement Standards, Ottawa, ON, Canada, K1A 0R6.
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49
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Ouyang J, Gao X, Baeyens WRG, Delanghe JR. Determination of ephedrine and related compounds in pharmaceutical preparations by ion chromatography with direct conductivity detection. Biomed Chromatogr 2005; 19:266-71. [PMID: 15651083 DOI: 10.1002/bmc.448] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
An ion chromatographic method with conductivity detection for the simultaneous determination of ephedrine, pseudoephedrine and norephedrine was developed. A mixture of 2.0 mmol/L HNO3 and 2% (v/v) acetonitrile was used as eluent. The three ephedrine-like compounds were separated and determined within 20 min. The linear ranges were 0.08-50 microg/mL for ephedrine, 0.08-40 microg/mL for pseudoephedrine and 0.06-40 microg/mL for norephedrine. The detection limits were 0.03 microg/mL for ephedrine and pseudoephedrine, and 0.02 microg/mL for norephedrine. The method has been applied successfully to the determination of these sympathomimetics in pharmaceutical preparations and in Ephedra herbs.
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Affiliation(s)
- Jin Ouyang
- Department of Pharmaceutical Analysis, Faculty of Pharmaceutical Sciences, Ghent University, Harelbekestraat 72, B-9000 Ghent, Belgium
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Shi Z, He J, Yao T, Chang W, Zhao M. Simultaneous determination of cryptotanshinone, tanshinone I and tanshinone IIA in traditional Chinese medicinal preparations containing Radix salvia miltiorrhiza by HPLC. J Pharm Biomed Anal 2005; 37:481-6. [PMID: 15740907 DOI: 10.1016/j.jpba.2004.11.015] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2004] [Accepted: 11/02/2004] [Indexed: 11/20/2022]
Abstract
A reversed-phase high performance liquid chromatographic method was established for the simultaneous determination of tanshinones in five kinds of traditional Chinese medicinal preparations (TCMPs) containing Radix salvia miltiorrhiza (Chinese herbal name: Danshen). Tanshinones including cryptotanshinone, tanshinone I and tanshinone IIA were successfully separated on a Diamonsil C18 column (150 mm x 4.6 mm i.d., 5 microm). The mobile phase was a mixture of methanol, tetrahydrofuran, water and glacial acetic acid (20:35:44:1, v/v/v/v), employing isocratic elution at a flow rate of 1.0 mL/min. Detection was accomplished at 254 nm. The compounds were identified by comparing their retention times and UV spectra in the 200-400 nm range with authentic standards. Regression equations revealed good linear relationship between the peak areas of the constituents and their concentrations (correlation coefficients: 0.9998 for cryptotanshinone, 0.9999 for tanshinone I and 1.0000 for tanshinone IIA). The relative standard deviations (n=6) of retention time and peak area were less than 0.25% and 1.00%, respectively. The recoveries were between 96.2% and 102.5%. The proposed method has been successfully applied to the simultaneous determination of the tanshinones in five kinds of Chinese herbal preparations containing Danshen within 20 min.
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Affiliation(s)
- Zhihong Shi
- Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China
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