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Du JL, Xiao LH, Yang JH, Luo Q, Li JW, Feng YS, Zhan RT, Yan P. Hypolipidemic Effects of Mesona chinensis Benth Polysaccharides with Different Structures and Molecular Weights. Chem Biodivers 2024; 21:e202401210. [PMID: 39007531 DOI: 10.1002/cbdv.202401210] [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: 05/11/2024] [Revised: 07/14/2024] [Accepted: 07/15/2024] [Indexed: 07/16/2024]
Abstract
Four novel Mesona chinensis Benth polysaccharides were isolated using aqueous alcohol precipitation. Their molecular weights were determined using high-performance gel permeation chromatography: MA1 (2.3 kDa), MA2 (80.5 kDa), MA3 (180.9 kDa), and MA4 (635.2 kDa), and their compositions were analyzed using GC-MS. The polysaccharides were mainly D-glucose, D-galactose, L-Rhamnose, D-arabinose, D-xylose, and D-mannose. The structural characteristics were further analyzed using infrared spectrophotometry and were identified as a type of pyrrhic sugar. An insulin-induced insulin resistance model of HepG2 cells and oleic acid-induced fat accumulation model of insulin were established to evaluate the hypolipidemic effects. Three Bacteroides spp. [Bacteroides thetaiotaomicron (BT), B. ovatus (BO), and B. cellulosilyticus (BC)] that were negatively correlated with lipid-lowering activity were used to evaluate the lipid-lowering activity of polysaccharides. The Bacteroides metabolites of MA1 and MA2 exhibited hypolipidemic effects and antioxidant activities and could potentially be used as lipid-lowering supplements.
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Affiliation(s)
- Jia-Lin Du
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Traditional Chinese Medicine, Guangzhou, 510006, China
- Key Laboratory of Chinese Medicinal Resources from Lingnan, Guangzhou University of Chinese Medicine, Ministry of Education, Guangzhou, 510006, China
- Joint Laboratory of Nation Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, Guangzhou, 510006, China
| | - Lu-Hua Xiao
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Traditional Chinese Medicine, Guangzhou, 510006, China
- Key Laboratory of Chinese Medicinal Resources from Lingnan, Guangzhou University of Chinese Medicine, Ministry of Education, Guangzhou, 510006, China
- Joint Laboratory of Nation Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, Guangzhou, 510006, China
| | - Jie-Hui Yang
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Traditional Chinese Medicine, Guangzhou, 510006, China
- Key Laboratory of Chinese Medicinal Resources from Lingnan, Guangzhou University of Chinese Medicine, Ministry of Education, Guangzhou, 510006, China
- Joint Laboratory of Nation Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, Guangzhou, 510006, China
| | - Qing Luo
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Traditional Chinese Medicine, Guangzhou, 510006, China
- Key Laboratory of Chinese Medicinal Resources from Lingnan, Guangzhou University of Chinese Medicine, Ministry of Education, Guangzhou, 510006, China
- Joint Laboratory of Nation Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, Guangzhou, 510006, China
| | - Jing-Wen Li
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Traditional Chinese Medicine, Guangzhou, 510006, China
- Key Laboratory of Chinese Medicinal Resources from Lingnan, Guangzhou University of Chinese Medicine, Ministry of Education, Guangzhou, 510006, China
- Joint Laboratory of Nation Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, Guangzhou, 510006, China
| | - Ying-Shan Feng
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Traditional Chinese Medicine, Guangzhou, 510006, China
- Key Laboratory of Chinese Medicinal Resources from Lingnan, Guangzhou University of Chinese Medicine, Ministry of Education, Guangzhou, 510006, China
- Joint Laboratory of Nation Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, Guangzhou, 510006, China
| | - Ruo-Ting Zhan
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Traditional Chinese Medicine, Guangzhou, 510006, China
- Key Laboratory of Chinese Medicinal Resources from Lingnan, Guangzhou University of Chinese Medicine, Ministry of Education, Guangzhou, 510006, China
- Joint Laboratory of Nation Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, Guangzhou, 510006, China
| | - Ping Yan
- Research Center of Chinese Herbal Resource Science and Engineering, Guangzhou University of Traditional Chinese Medicine, Guangzhou, 510006, China
- Key Laboratory of Chinese Medicinal Resources from Lingnan, Guangzhou University of Chinese Medicine, Ministry of Education, Guangzhou, 510006, China
- Joint Laboratory of Nation Engineering Research Center for the Pharmaceutics of Traditional Chinese Medicines, Guangzhou, 510006, China
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Chen WH, Lo HJ, Yu KL, Ong HC, Sheen HK. Valorization of sorghum distillery residue to produce bioethanol for pollution mitigation and circular economy. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 285:117196. [PMID: 33962308 DOI: 10.1016/j.envpol.2021.117196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/13/2021] [Accepted: 04/17/2021] [Indexed: 06/12/2023]
Abstract
This research aims to study the wet torrefaction (WT) and saccharification of sorghum distillery residue (SDR) towards hydrochar and bioethanol production. The experiments are designed by Box-Behnken design from response surface methodology where the operating conditions include sulfuric acid concentration (0, 0.01, and 0.02 M), amyloglucosidase concentration (36, 51, and 66 IU), and saccharification time (120, 180, and 240 min). Compared to conventional dry torrefaction, the hydrochar yield is between 13.24 and 14.73%, which is much lower than dry torrefaction biochar (yield >50%). The calorific value of the raw SDR is 17.15 MJ/kg, which is significantly enhanced to 22.36-23.37 MJ/kg after WT. When the sulfuric acid concentration increases from 0 to 0.02 M, the glucose concentration in the product increases from 5.59 g/L to 13.05 g/L. The prediction of analysis of variance suggests that the best combination to maximum glucose production is 0.02 M H2SO4, 66 IU enzyme concentration, and 120 min saccharification time, and the glucose concentration is 30.85 g/L. The maximum bioethanol concentration of 19.21 g/L is obtained, which is higher than those from wheat straw (18.1 g/L) and sweet sorghum residue (16.2 g/L). A large amount of SDR is generated in the kaoliang liquor production process, which may cause environmental problems if it is not appropriately treated. This study fulfills SDR valorization for hydrochar and bioenergy to lower environmental pollution and even achieve a circular economy.
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Affiliation(s)
- Wei-Hsin Chen
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan, 701, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung, 407, Taiwan; Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung, 411, Taiwan.
| | - Hsiu-Ju Lo
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan, 701, Taiwan; International Master Degree Program on Energy, National Cheng Kung University, Tainan, 701, Taiwan
| | - Kai-Ling Yu
- Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Hwai-Chyuan Ong
- School of Information, Systems and Modelling, Faculty of Engineering and Information Technology, University of Technology Sydney, NSW, 2007, Australia
| | - Herng-Kuang Sheen
- Sugar Business Division, Taiwan Sugar Corporation, Tainan, 701, Taiwan
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