1
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Yuan D, Bai G, Liu Y, Jing L, Wang C, Liu G. A novel edible colorant lake prepared with CaCO 3 and Monascus pigments: Lake characterization and mechanism study. Food Chem 2023; 410:135408. [PMID: 36640653 DOI: 10.1016/j.foodchem.2023.135408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/21/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023]
Abstract
Monascus pigments (MPs) were adsorbed using calcium carbonate to produce CaCO3-MPs lakes. The fundamental properties and formation mechanism of the lakes were investigated. Results indicated that CaCO3 displayed a high enough affinity for the MPs to form colorant lakes, while the MPs tended to transform the CaCO3 crystals from calcite to vaterite. The adsorption of MPs by CaCO3 followed the Freundlich isothermal model with n value higher than 1, confirming it as physical adsorption. The ΔG0 (-29 to ∼-33 kJ/mol) and ΔH0(30-55 kJ/mol) indicated that lake formation was a spontaneous and endothermic process. UV/Vis spectroscopic analysis verified the complex formation between Ca2+ and MPs via physical bonding, suggesting a possible attraction between the Ca2+ and glutamate residues of the MPs. EDS showed that the MPs were trapped inside the particles. FTIR spectroscopy and XPS further confirmed that the physical bonding was the primary driving force behind the lake formation.
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Affiliation(s)
- Dongdong Yuan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University, Beijing 100048, China
| | - Guohui Bai
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University, Beijing 100048, China
| | - Yuhan Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University, Beijing 100048, China
| | - Le Jing
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University, Beijing 100048, China
| | - Chengtao Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University, Beijing 100048, China.
| | - Guorong Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University, Beijing 100048, China.
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2
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Dang J, Du Y, Wang Q, Dawa Y, Chen C, Wang Q, Ma J, Tao Y. Preparative isolation of arylbutanoid-type phenol [(-)-rhododendrin] with peak tailing on conventional C18 column using middle chromatogram isolated gel column coupled with reversed-phase liquid chromatography. J Sep Sci 2020; 43:3233-3241. [PMID: 32521119 DOI: 10.1002/jssc.202000468] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 05/26/2020] [Accepted: 06/05/2020] [Indexed: 01/27/2023]
Abstract
Reversed-phase liquid chromatography coupled with middle chromatogram isolated gel column was employed for the efficient preparative separation of the arylbutanoid-type phenol [(-)-rhododendrin] from Saxifraga tangutica. Universal C18 (XTerra C18) and XCharge C18 columns were compared for (-)-rhododendrin fraction analysis and preparation. Although tailing and overloading occurred on the XTerra C18 column, the positively charged reversed-phase C18 column (XCharge C18) overcame these drawbacks, allowing for favorable separation resolution, even when loading at a on a preparative scale (3.69 mg per injection). The general separation process was as follows. First, 365.0 mg of crude (-)-rhododendrin was enriched from 165 g Saxifraga tangutica extract via a middle chromatogram isolated gel column. Second, separation was performed on an XTerra C18 preparative column, from which 73.8 mg of the target fraction was easily obtained. Finally, the 24.0 mg tailing peak of (-)-rhododendrin on XTerra C18 column was selectively purified on the XCharge C18 analytical column. These results demonstrate that the tailing nonalkaloid peaks can be effectively used for preparative isolation on XCharge C18 columns.
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Affiliation(s)
- Jun Dang
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, P. R. China
| | - Yurong Du
- Qinghai Provincial Key Laboratory of Tibet Plateau Biodiversity Formation Mechanism and Comprehensive Utilization, College of Life Sciences, Qinghai Normal University, Xining, Qinghai, P. R. China
| | - Qi Wang
- College of Pharmacy, Qinghai Nationalities University, Xining, Qinghai, P. R. China
| | - YangZom Dawa
- Qinghai Provincial Key Laboratory of Tibet Plateau Biodiversity Formation Mechanism and Comprehensive Utilization, College of Life Sciences, Qinghai Normal University, Xining, Qinghai, P. R. China
| | - Chengbiao Chen
- Qinghai Provincial Key Laboratory of Tibet Plateau Biodiversity Formation Mechanism and Comprehensive Utilization, College of Life Sciences, Qinghai Normal University, Xining, Qinghai, P. R. China
| | - Qilan Wang
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, P. R. China
| | - Jianbin Ma
- Qinghai Provincial Key Laboratory of Tibet Plateau Biodiversity Formation Mechanism and Comprehensive Utilization, College of Life Sciences, Qinghai Normal University, Xining, Qinghai, P. R. China
| | - Yanduo Tao
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, P. R. China
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3
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Dang J, Chen C, Ma J, Dawa Y, Wang Q, Tao Y, Wang Q, Ji T. Preparative isolation of highly polar free radical inhibitor from Floccularia luteovirens using hydrophilic interaction chromatography directed by on-line HPLC-DPPH assay. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1142:122043. [DOI: 10.1016/j.jchromb.2020.122043] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 02/11/2020] [Accepted: 02/25/2020] [Indexed: 01/01/2023]
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4
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Yang Y, Sun X, Ni H, Du X, Chen F, Jiang Z, Li Q. Identification and Characterization of the Tyrosinase Inhibitory Activity of Caffeine from Camellia Pollen. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:12741-12751. [PMID: 31659899 DOI: 10.1021/acs.jafc.9b04929] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Tyrosinase inhibitors are important in cosmetic, medical, and food industries due to their regulation of melanin production. A tyrosinase inhibitor was purified from Camellia pollen using high-speed countercurrent chromatography and preparative high-performance liquid chromatography and was identified as caffeine by NMR and mass spectrometry. It showed strong mushroom tyrosinase inhibitory activity with an IC50 of 18.5 ± 2.31 μg/mL in a noncompetitive model. The caffeine did not interact with copper ions in the active center of the enzyme but could quench fluorescence intensity and change the secondary conformation of this tyrosinase. A molecular dynamics simulation showed that caffeine bound this tyrosinase via Lys379, Lys 376, Asp357, Glu356, Thr308, Gln307, Asp312, and Trp358, thus changing the binding sites of l-tyrosine and the loop conformation adjacent to the active center. In vitro cell model analysis revealed that caffeine exhibited significant inhibitory effects on both intracellular tyrosinase activity and melanin production of B16-F10 melanoma cells in a concentration-dependent manner. These comprehensive results suggest that caffeine is a strong tyrosinase inhibitor that has the potential to be developed as skin-whitening agents in the cosmetics and pharmaceutical industries or as antibrowning agents in the food industry.
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Affiliation(s)
- Yuanfan Yang
- College of Food and Biological Engineering , Jimei University , Xiamen , Fujian 361021 , China
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering , Xiamen , Fujian 361021 , China
- Research Center of Food Biotechnology of Xiamen City , Xiamen , Fujian 361021 , China
| | - Xu Sun
- College of Food and Biological Engineering , Jimei University , Xiamen , Fujian 361021 , China
| | - Hui Ni
- College of Food and Biological Engineering , Jimei University , Xiamen , Fujian 361021 , China
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering , Xiamen , Fujian 361021 , China
- Research Center of Food Biotechnology of Xiamen City , Xiamen , Fujian 361021 , China
| | - Xiping Du
- College of Food and Biological Engineering , Jimei University , Xiamen , Fujian 361021 , China
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering , Xiamen , Fujian 361021 , China
- Research Center of Food Biotechnology of Xiamen City , Xiamen , Fujian 361021 , China
| | - Feng Chen
- College of Food and Biological Engineering , Jimei University , Xiamen , Fujian 361021 , China
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering , Xiamen , Fujian 361021 , China
- Research Center of Food Biotechnology of Xiamen City , Xiamen , Fujian 361021 , China
- Department of Food, Nutrition and Packaging Sciences , Clemson University , Clemson , South Carolina 29634 , United States
| | - Zedong Jiang
- College of Food and Biological Engineering , Jimei University , Xiamen , Fujian 361021 , China
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering , Xiamen , Fujian 361021 , China
- Research Center of Food Biotechnology of Xiamen City , Xiamen , Fujian 361021 , China
| | - Qingbiao Li
- College of Food and Biological Engineering , Jimei University , Xiamen , Fujian 361021 , China
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering , Xiamen , Fujian 361021 , China
- Research Center of Food Biotechnology of Xiamen City , Xiamen , Fujian 361021 , China
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Wang J, Chen L, Qu L, Li K, Zhao Y, Wang Z, Li Y, Zhang X, Jin Y, Liang X. Isolation and bioactive evaluation of flavonoid glycosides from Lobelia chinensis Lour using two-dimensional liquid chromatography combined with label-free cell phenotypic assays. J Chromatogr A 2019; 1601:224-231. [DOI: 10.1016/j.chroma.2019.04.073] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/29/2019] [Accepted: 04/30/2019] [Indexed: 12/26/2022]
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6
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Dang J, Zhang L, Wang Q, Mei L, Yue H, Liu Z, Shao Y, Gao Q, Tao Y. Target separation of flavonoids from Saxifraga tangutica
using two-dimensional hydrophilic interaction chromatography/reversed-phase liquid chromatography. J Sep Sci 2018; 41:4419-4429. [DOI: 10.1002/jssc.201800534] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 09/18/2018] [Accepted: 10/09/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Jun Dang
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 P. R. China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research; Xining 810001 P. R. China
| | - Li Zhang
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 P. R. China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research; Xining 810001 P. R. China
| | - Qilan Wang
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 P. R. China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research; Xining 810001 P. R. China
| | - Lijuan Mei
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 P. R. China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research; Xining 810001 P. R. China
| | - Huilan Yue
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 P. R. China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research; Xining 810001 P. R. China
| | - Zenggen Liu
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 P. R. China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research; Xining 810001 P. R. China
| | - Yun Shao
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 P. R. China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research; Xining 810001 P. R. China
| | - Qingbo Gao
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 P. R. China
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research; Xining 810001 P. R. China
| | - Yanduo Tao
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 P. R. China
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7
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Preparative isolation of antioxidative compounds from Dracocephalum heterophyllum using off-line two-dimensional reversed-phase liquid chromatography/hydrophilic interaction chromatography guided by on-line HPLC-DPPH assay. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1095:267-274. [PMID: 30121456 DOI: 10.1016/j.jchromb.2018.08.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Revised: 08/06/2018] [Accepted: 08/10/2018] [Indexed: 01/23/2023]
Abstract
Traditional Tibetan medicine (TTM) has been valuable for the identification of new therapeutic leads. Nevertheless, reports about the chemical constituents of TTM are meager owing to the lack of suitable purification techniques. In this study, an off-line two-dimensional reversed-phase/hydrophilic interaction liquid chromatography (2D RP/HILIC) technique guided by on-line HPLC-DPPH has been established for the isolation of pure antioxidants from the extract of Dracocephalum heterophyllum. According to the chromatographic recognition outcome of the HPLC-DPPH system, the first-dimensional (1D) separation on the Megress C18 preparative column yielded 6 antioxidative fractions (61.4% recovery) from the ethyl acetate fraction (6.1 g). In the second-dimensional (2D) separation, a HILIC XAmide preparative column was employed. In total, 8 antioxidants were isolated from D. heterophyllum with a purity of >95%, which indicated the efficiency of the developed method to prepare antioxidative compounds with high purity from plant extracts. In addition, this method was highly efficient for the preparation of structural analogues of the antioxidative polyphenols and could be applied for the purification of structural analogues from other resources.
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8
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Chen T, Li H, Chen C, Wei L, Li Y. Large-Scale Preparation of a Specific Xanthone from Swertia mussotii and Evaluation of Its α-Glucosidase Inhibitory Activity. J Chromatogr Sci 2017; 55:638-644. [DOI: 10.1093/chromsci/bmx020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 02/28/2017] [Indexed: 11/12/2022]
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9
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Chen T, Li H, Zou D, Liu Y, Chen C, Zhou G, Li Y. Separation of three anthraquinone glycosides including two isomers by preparative high-performance liquid chromatography and high-speed countercurrent chromatography from Rheum tanguticum Maxim. ex Balf. J Sep Sci 2016; 39:3105-12. [PMID: 27335308 DOI: 10.1002/jssc.201600487] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 06/06/2016] [Accepted: 06/10/2016] [Indexed: 12/19/2022]
Abstract
Anthraquinone glycosides, such as chrysophanol 1-O-β-d-glucoside, chrysophanol 8-O-β-d-glucoside, and physion 8-O-β-d-glucoside, are the accepted important active components of Rheum tanguticum Maxim. ex Balf. due to their pharmacological properties: antifungal, antimicrobial, cytotoxic, and antioxidant activities. However, an effective method for the separation of the above-mentioned anthraquinone glycosides from this herb is not currently available. Especially, greater difficulty existed in the separation of the two isomers chrysophanol 1-O-β-d-glucoside and chrysophanol 8-O-β-d-glucoside. This study demonstrated an efficient strategy based on preparative high-performance liquid chromatography and high-speed countercurrent chromatography for the separation of the above-mentioned anthraquinone glycosides from Rheum tanguticum Maxim.ex Balf.
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Affiliation(s)
- Tao Chen
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China.,Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China
| | - Hongmei Li
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China.,Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China.,University of the Chinese Academy of Sciences, Beijing, P. R. China
| | - Denglang Zou
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China.,Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China.,University of the Chinese Academy of Sciences, Beijing, P. R. China
| | - Yongling Liu
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China.,Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China
| | - Chen Chen
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China.,Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China
| | - Guoying Zhou
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China.,Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China
| | - Yulin Li
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China.,Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China
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Fan Y, Fu Y, Fu Q, Cai J, Xin H, Dai M, Jin Y. Purification of flavonoids from licorice using an off-line preparative two-dimensional normal-phase liquid chromatography/reversed-phase liquid chromatography method. J Sep Sci 2016; 39:2710-9. [PMID: 27214649 DOI: 10.1002/jssc.201501393] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 04/21/2016] [Accepted: 05/13/2016] [Indexed: 11/06/2022]
Abstract
An orthogonal (71.9%) off-line preparative two-dimensional normal-phase liquid chromatography/reversed-phase liquid chromatography method coupled with effective sample pretreatment was developed for separation and purification of flavonoids from licorice. Most of the nonflavonoids were firstly removed using a self-made Click TE-Cys (60 μm) solid-phase extraction. In the first dimension, an industrial grade preparative chromatography was employed to purify the crude flavonoids. Click TE-Cys (10 μm) was selected as the stationary phase that provided an excellent separation with high reproducibility. Ethyl acetate/ethanol was selected as the mobile phase owing to their excellent solubility for flavonoids. Flavonoids co-eluted in the first dimension were selected for further purification using reversed-phase liquid chromatography. Multiple compounds could be isolated from one normal-phase fraction and some compounds with bad resolution in one-dimensional liquid chromatography could be prepared in this two-dimensional system owing to the orthogonal separation. Moreover, this two-dimensional liquid chromatography method was beneficial for the preparation of relatively trace flavonoid compounds, which were enriched in the first dimension and further purified in the second dimension. Totally, 24 flavonoid compounds with high purity were obtained. The results demonstrated that the off-line two-dimensional liquid chromatography method was effective for the preparative separation and purification of flavonoids from licorice.
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Affiliation(s)
- Yunpeng Fan
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Yanhui Fu
- Hai Nan Normal University, Haikou, China
| | - Qing Fu
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Jianfeng Cai
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Huaxia Xin
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Mei Dai
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Yu Jin
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
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11
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Phenolic Compounds from Glycyrrhiza uralensis and their Radical-Scavenging Activity. Chem Nat Compd 2016. [DOI: 10.1007/s10600-016-1682-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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12
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Xu LY, Wang JH, Long T, Xu L. Isolation and Purification of Phosphatidylcholine from Egg Yolk by Semipreparative Hydrophilic Interaction Liquid Chromatography. J LIQ CHROMATOGR R T 2014. [DOI: 10.1080/10826076.2014.962148] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Lan-Ying Xu
- Hubei Key Laboratory for Processing and Application of Catalytic Materials, Huanggang Normal University, Huangzhou, China
| | - Jia-Huan Wang
- Hubei Key Laboratory for Processing and Application of Catalytic Materials, Huanggang Normal University, Huangzhou, China
| | - Tao Long
- Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources, Comprehensive Utilization, Huanggang Normal University, Huangzhou, China
- Hubei Key Laboratory for Processing and Application of Catalytic Materials, Huanggang Normal University, Huangzhou, China
| | - Li Xu
- Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources, Comprehensive Utilization, Huanggang Normal University, Huangzhou, China
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan, China
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13
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Chen T, Li HM, Zou DL, Du YZ, Shen YH, Li Y. Preparation of two flavonoid glycosides with unique structures from barley seedlings by membrane separation technology and preparative high-performance liquid chromatography. J Sep Sci 2014; 37:3760-6. [DOI: 10.1002/jssc.201400798] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Revised: 09/22/2014] [Accepted: 09/24/2014] [Indexed: 11/09/2022]
Affiliation(s)
- Tao Chen
- Key Laboratory of Tibetan medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining P.R. China
| | - Hong-mei Li
- Key Laboratory of Tibetan medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining P.R. China
- University of the Chinese Academy of Sciences; Beijing P.R. China
| | - Deng-Lang Zou
- Key Laboratory of Tibetan medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining P.R. China
- University of the Chinese Academy of Sciences; Beijing P.R. China
| | - Yu-Zhi Du
- Key Laboratory of Tibetan medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining P.R. China
| | - Yu-Hu Shen
- Key Laboratory of Tibetan medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining P.R. China
| | - Yulin Li
- Key Laboratory of Tibetan medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining P.R. China
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14
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Pyrzynska K, Sentkowska A. Recent Developments in the HPLC Separation of Phenolic Food Compounds. Crit Rev Anal Chem 2014. [DOI: 10.1080/10408347.2013.870027] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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15
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Xu T, Yang M, Li Y, Chen X, Wang Q, Deng W, Pang X, Yu K, Jiang B, Guan S, Guo DA. An integrated exact mass spectrometric strategy for comprehensive and rapid characterization of phenolic compounds in licorice. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2013; 27:2297-2309. [PMID: 24097385 DOI: 10.1002/rcm.6696] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Revised: 07/17/2013] [Accepted: 07/21/2013] [Indexed: 06/02/2023]
Abstract
RATIONALE Licorice (Gancao) is derived from the dried roots and rhizomes of Glycyrrhiza species (Leguminosae) and appears as a component herb in about 60% of traditional Chinese medicine (TCM) prescriptions. Modern pharmacological studies have shown that flavonoids are one class of the major components responsible for the bioactivities of licorice. Ultra-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC/QTOF MS) has proven to be a powerful tool for rapid profiling and identification of natural products in complex herbal medicines. METHODS A UPLC/QTOF MS method was established for the first time for profiling and structural characterization of the phenolic compounds (most of them flavonoids) in licorice. The combined use of data-independent acquisition (MS(E) ) and data-dependent acquisition (DDA) was illustrated. RESULTS Fifteen flavonoid reference compounds were used to explore the fragmentation pathways. Compound identification was based upon the exact mass, general fragmentation behaviors, retention times, UV absorption, and the related botanical biogenesis. As a result, a total of 51 compounds were characterized, three of which were reported for the first time. CONCLUSIONS The LC/MS analysis for each injection took less than 9 min. The developed method is fast, accurate and reliable due to its high resolution and high efficiency characteristics as a result of combining both UPLC separation and QTOF exact mass measurement.
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Affiliation(s)
- Tongtong Xu
- National Engineering Laboratory for TCM Standardization Technology, Shanghai Research Center for Modernization of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Haike Road 501, Shanghai, 201203, P.R. China
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16
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Xu X, Shen A, Guo Z, Liang X. [Chromatographic evaluation of multi-mode retention behavior of thiol-ene click chemistry based beta-cyclodextrin stationary phase]. Se Pu 2013; 31:185-90. [PMID: 23785988 DOI: 10.3724/sp.j.1123.2012.11029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
A native beta-cyclodextrin (beta-CD) stationary phase was prepared by covalent bonding of beta-CD on silica particles via thiol-ene click chemistry. The resulting beta-CD bonded silica (Click TE-CD) was characterized by elemental analysis, which proved the successful immobilization of beta-CD on the silica support with thiol-ene click chemistry. Click TE-CD was chromatographically evaluated with a set of flavone glycosides under hydrophilic interaction chromatography (HILIC) mode, reversed-phase chromatography (RPLC) mode and supercritical fluid chromatography (SFC) mode. The acetonitrile content dependent "U" retention curves indicated its HILIC/RPLC mixed-mode retention behavior. The difference of the separation selectivity between HILIC, RPLC and SFC was described as orthogonality by using geometric approach. The orthogonalities between HILIC/RPLC, HILIC/SFC, and RPLC/SFC reached 69. 8%, 50. 8% and 50. 8%, respectively. The separation of Chinese traditional medicine Lignum Dalbergia Odorifera extract under HILIC, RPLC and SFC modes indicated the potential of Click TE-CD stationary phase in the analysis of complex samples. The mixed-mode HPLC properties and excellent orthogonality demon strated its flexibility in HPLC method development and its great potential in two-dimensional liquid chromatography separation on one HPLC column by different separation modes.
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Affiliation(s)
- Xuefeng Xu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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Petruczynik A, Waksmundzka-Hajnos M. Application of hydrophilic interaction chromatography in phytochemical analysis. ACTA CHROMATOGR 2013. [DOI: 10.1556/achrom.25.2013.1.1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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18
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Zheng YF, Wei JH, Qi LW, Cheng JM, Peng GP. A green and efficient protocol for large-scale production of glycyrrhizic acid from licorice roots by combination of polyamide and macroporous resin adsorbent chromatography. J Sep Sci 2013; 36:809-16. [PMID: 23355362 DOI: 10.1002/jssc.201200793] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2012] [Revised: 10/13/2012] [Accepted: 10/22/2012] [Indexed: 11/07/2022]
Abstract
A green and efficient method for large-scale preparation of glycyrrhizic acid from licorice roots was developed by combination of polyamide and macroporous resin. The entire preparation procedure consisted of two simple separation steps. The first step is to use polyamide resin to remove licorice flavoniods from the licorice crude extract. Subsequently, various macroporous resins were tried to purify glycyrrhizic acid, and HPD-400 showed the most suitable adsorption and desorption properties. Under the optimized conditions, a large-scale preparation of glycyrrhizic acid from licorice roots was carried out. A 20 kg raw material produced 0.43 kg of glycyrrhizic acid using green aqueous ethanol as the solvent. The purity of glycyrrhizic acid was increased from 11.40 to 88.95% with a recovery of 76.53%. The proposed method may be also extended to produce large-scale other triterpenoid saponins from herbal materials.
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Affiliation(s)
- Yun-Feng Zheng
- Separation Engineering of Traditional Chinese Medicine Compound, Nanjing University of Chinese Medicine, Nanjing, China
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Schuster G, Lindner W. Comparative characterization of hydrophilic interaction liquid chromatography columns by linear solvation energy relationships. J Chromatogr A 2013; 1273:73-94. [DOI: 10.1016/j.chroma.2012.11.075] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2012] [Revised: 11/23/2012] [Accepted: 11/26/2012] [Indexed: 11/30/2022]
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Bucar F, Wube A, Schmid M. Natural product isolation – how to get from biological material to pure compounds. Nat Prod Rep 2013; 30:525-45. [DOI: 10.1039/c3np20106f] [Citation(s) in RCA: 229] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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21
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Xing Q, Liang T, Shen G, Wang X, Jin Y, Liang X. Comprehensive HILIC × RPLC with mass spectrometry detection for the analysis of saponins in Panax notoginseng. Analyst 2012; 137:2239-49. [DOI: 10.1039/c2an16078a] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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Tan G, Zhu Z, Jing J, Lv L, Lou Z, Zhang G, Chai Y. Characterization of constituents in Sini decoction and rat plasma by high-performance liquid chromatography with diode array detection coupled to time-of-flight mass spectrometry. Biomed Chromatogr 2010; 25:913-24. [PMID: 21058413 DOI: 10.1002/bmc.1544] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2010] [Accepted: 09/08/2010] [Indexed: 11/08/2022]
Abstract
A high-performance liquid chromatography with diode-array detection coupled to time-of-flight mass spectrometry (HPLC/DAD/TOFMS) method was established to clarify the chemical composition of Sini decoction (SND) and rat plasma after oral administration of SND. With dynamic adjustment of fragmentor voltage in TOFMS, an efficient transmission of the ions was achieved to obtain the best sensitivity for providing the molecular formula for each analyte and abundant fragment ions for structural information. By accurate mass measurements within 5 ppm error for each molecular ion and subsequent fragment ions, 53 compounds including diterpenoid alkaloids, flavonoids, triterpenoids and gingerol-related compounds were identified in SND. Major compounds identified from SND were further assigned in the three individual herbs. After oral administration of SND, 33 compounds and five metabolites in rat plasma were detected and identified by comparing and contrasting the compounds measured in SND with those in the plasma samples by HPLC/DAD/TOFMS. The results provided helpful chemical information for further pharmacology and active mechanism research on SND.
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Affiliation(s)
- Guangguo Tan
- Department of Pharmaceutical Analysis, School of Pharmacy, Second Military Medical University, Shanghai 200433, People's Republic of China
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