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Zhang X, Huang Y, Huang S, Xie W, Huang W, Chen Y, Li Q, Zeng F, Liu X. Antisolvent precipitation for the synergistic preparation of ultrafine particles of nobiletin under ultrasonication-homogenization and evaluation of the inhibitory effects of α-glucosidase and porcine pancreatic lipase in vitro. Ultrason Sonochem 2024; 105:106865. [PMID: 38564909 PMCID: PMC10999467 DOI: 10.1016/j.ultsonch.2024.106865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 03/28/2024] [Accepted: 03/28/2024] [Indexed: 04/04/2024]
Abstract
To further enhance the application of nobiletin (an important active ingredient in Citrus fruits), we used ultrasonic homogenization-assisted antisolvent precipitation to create ultrafine particles of nobiletin (UPN). DMSO was used as the solvent, and deionized water was used as the antisolvent. When ultrasonication (670 W) and homogenization (16000 r/min) were synergistic, the solution concentration was 57 mg/mL, and the minimum particle size of UPN was 521.02 nm. The UPN samples outperformed the RN samples in terms of the inhibition of porcine pancreatic lipase, which was inhibited (by 500 mg/mL) by 68.41 % in the raw sample, 90.34 % in the ultrafine sample, and 83.59 % in the positive control, according to the data. Fourier transform infrared spectroscopy analysis revealed no chemical changes in the samples before or after preparation. However, the crystallinity of the processed ultrafine nobiletin particles decreased. Thus, this work offers significant relevance for applications in the realm of food chemistry and indirectly illustrates the expanded application potential of nobiletin.
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Affiliation(s)
- Xiaonan Zhang
- Jiaying University, Meizhou 514015, China; Conservation and Utilization Laboratory of Mountain Characteristic Resources in Guangdong Province, Meizhou 514015, China
| | - Yan Huang
- Jiaying University, Meizhou 514015, China
| | - Siyi Huang
- Jiaying University, Meizhou 514015, China
| | - Wenyi Xie
- Jiaying University, Meizhou 514015, China; Conservation and Utilization Laboratory of Mountain Characteristic Resources in Guangdong Province, Meizhou 514015, China
| | - Wenxuan Huang
- Jiaying University, Meizhou 514015, China; Conservation and Utilization Laboratory of Mountain Characteristic Resources in Guangdong Province, Meizhou 514015, China
| | - Yi Chen
- Jiaying University, Meizhou 514015, China
| | - Qiyuan Li
- Jiaying University, Meizhou 514015, China
| | - Fajian Zeng
- Jiaying University, Meizhou 514015, China; Conservation and Utilization Laboratory of Mountain Characteristic Resources in Guangdong Province, Meizhou 514015, China
| | - Xiongjun Liu
- Jiaying University, Meizhou 514015, China; Conservation and Utilization Laboratory of Mountain Characteristic Resources in Guangdong Province, Meizhou 514015, China.
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Taghizadeh T, Ameri A, Talebian-Kiakalaieh A, Mojtabavi S, Ameri A, Forootanfar H, Tarighi S, Faramarzi MA. Lipase@zeolitic imidazolate framework ZIF-90: A highly stable and recyclable biocatalyst for the synthesis of fruity banana flavour. Int J Biol Macromol 2020; 166:1301-1311. [PMID: 33161085 DOI: 10.1016/j.ijbiomac.2020.11.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 11/02/2020] [Accepted: 11/03/2020] [Indexed: 11/29/2022]
Abstract
A zeolitic imidazolate framework (ZIF-90) has been synthesized through solvothermal method. The structure was characterized by means of FT-IR spectroscopy, X-ray diffraction, thermogravimetric analysis (TGA), and scanning electron microscopy (SEM)/energy dispersive X-ray spectroscopy (EDS). The synthesized ZIF-90 was applied as a support for immobilization of porcine pancreatic lipase (PPL). The immobilized enzyme (PPL@ZIF-90) exhibited immobilization yield and efficiency of 66 ± 1.8% and 89 ± 1.4%, respectively. The pH and thermal stability of PPL was improved after immobilization and the initial activity was retained at about 57% after 20 days of storage at 4 °C for PPL@ZIF-90. Moreover, about 57% of the original activity was remained following 10 cycles of application. In Michaelis-Menten kinetic studies, Km value for PPL@ZIF-90 was lower, while, the Vmax was higher than free PPL. Moreover, optimized conditions to produce fruity banana flavour upon esterification of butyric acid were investigated. The optimum esterification yield was 73.79 ± 1.31% in the presence of 245 mg PPL@ZIF-90, alcohol/acid ratio of 2.78 and 39 h reaction time. PPL@ZIF-90 showed 39% relative esterification yield after six cycles of reuse. The results suggested that PPL@ZIF-90 can be used as a potential effective biocatalyst for synthesis of isoamyl butyrate.
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Affiliation(s)
- Tohid Taghizadeh
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran 1417614411, Iran
| | - Atefeh Ameri
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Amin Talebian-Kiakalaieh
- Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, P.O. Box 14975-112, Tehran, Iran
| | - Somayeh Mojtabavi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran 1417614411, Iran
| | - Alieh Ameri
- Department of Medicinal Chemistry, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Hamid Forootanfar
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Sara Tarighi
- Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, P.O. Box 14975-112, Tehran, Iran.
| | - Mohammad Ali Faramarzi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, Tehran 1417614411, Iran.
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Aung TTT, Xia MY, Hein PP, Tang R, Zhang DD, Yang J, Yang XF, Hu DB, Wang YH. Chemical Constituents from the Whole Plant of Cuscuta reflexa. Nat Prod Bioprospect 2020; 10:337-344. [PMID: 32954471 PMCID: PMC7520498 DOI: 10.1007/s13659-020-00265-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 09/09/2020] [Indexed: 03/30/2024]
Abstract
Two new 2H-pyran-2-one glucosides, cuscutarosides A (1) and B (2), and one new steroidal glucoside, 7β-methoxy-β-sitosterol 3-O-β-glucopyranoside (3), together with 12 known compounds (4-15) were isolated from the whole plant of Cuscuta reflexa (Convolvulaceae) collected from Myanmar. The chemical structures of these new compounds were elucidated based on extensive spectroscopic analysis. The antiobesity activity of these isolates was evaluated using porcine pancreatic lipase (PPL), and the antiplatelet aggregation activity was screened using rabbit platelets induced by thrombin, platelet-activating factor (PAF), arachidonate (AA), or collagen. 7β-Methoxy-β-sitosterol 3-O-β-glucopyranoside (3) showed weak PPL inhibitory activity. Cuscutaroside A (1), its acetylated derivative (1a), and scrophenoside B (8) showed weak inhibitory activity against rabbit platelet aggregation induced by collagen. Compound 1a also showed inhibitory activity against rabbit platelet aggregation induced by AA.
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Affiliation(s)
- Tin Thu Thu Aung
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Meng-Yuan Xia
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
| | - Pyae Phyo Hein
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Rong Tang
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
| | - Dong-Dong Zhang
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw, 05282, Myanmar
| | - Jun Yang
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw, 05282, Myanmar
| | - Xue-Fei Yang
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw, 05282, Myanmar
| | - Dong-Bao Hu
- School of Chemical Biology and Environment, Yuxi Normal University, Yuxi, 653100, People's Republic of China.
| | - Yue-Hu Wang
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China.
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw, 05282, Myanmar.
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Vakili F, Mojtabavi S, Imanparast S, Kianmehr Z, Forootanfar H, Faramarzi MA. Immobilization of lipase on the modified magnetic diatomite earth for effective methyl esterification of isoamyl alcohol to synthesize banana flavor. 3 Biotech 2020; 10:447. [PMID: 33062576 PMCID: PMC7511503 DOI: 10.1007/s13205-020-02437-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 09/11/2020] [Indexed: 02/07/2023] Open
Abstract
The present study was designed to propose a simple, cost-effective, and efficient method for the preparation of a biocompatible composite made from magnetic diatomaceous earth (mDE) coated by aminopropyltriethoxysilane (APTES) and its application for immobilization of porcine pancreatic lipase (PPL). The produced mDE-APTES was instrumentally characterized and the obtained results of FTIR analysis and scanning electron microscopy equipped by energy-dispersive X-ray spectroscopy (SEM-EDS) showed successful coating of APTES on mDE surface. PPL was then immobilized onto mDE to obtain the biocatalyst of PPL@mDE (immobilization yield and efficiency of 78.0 ± 0.3% and 80.1 ± 0.6, respectively) and the presence of enzyme was confirmed by EDS method. The attained results of the reusability of PPL@mDE revealed that 57% of the initial activity was retained after 11 cycles of biocatalyst application. PPL@mDE demonstrated higher storage stability than the free enzyme at 4 °C, 25 °C, and 37 °C. The apparent K m (2.35 ± 0.12 mM) and V max (13.01 ± 0.64 µmol/min) values for the immobilized enzyme were considerably altered compared to those of the free enzyme (p > 0.05). PPL@mDE was subsequently employed for the synthesis of banana flavor (isoamyl acetate) in n-hexane, which yields an esterification percentage of 100 at 37 °C after 3 h. However, it merits further investigations to find out about large-scale application of the as-synthesized biocatalyst for esterification.
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Affiliation(s)
- Fatemeh Vakili
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, 1417614411 Tehran, Iran
- Department of Cellular and Molecular Biology (Biochemistry), Faculty of Biological Science, North Tehran Branch, Islamic Azad University, P.O. Box 165115-3311, 77009847 Tehran, Iran
| | - Somayeh Mojtabavi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, 1417614411 Tehran, Iran
| | - Somaye Imanparast
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, 1417614411 Tehran, Iran
| | - Zahra Kianmehr
- Department of Cellular and Molecular Biology (Biochemistry), Faculty of Biological Science, North Tehran Branch, Islamic Azad University, P.O. Box 165115-3311, 77009847 Tehran, Iran
| | - Hamid Forootanfar
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Ali Faramarzi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, P.O. Box 14155-6451, 1417614411 Tehran, Iran
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Vaezzadeh M, Sabbaghian M, Yaghmaei P, Ebrahim-Habibi A. Effect of Organic Solvents on Porcine Pancreatic Lipase Thermal Aggregation. Protein Pept Lett 2019; 24:955-961. [PMID: 28741463 DOI: 10.2174/0929866524666170724114947] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 07/10/2017] [Accepted: 07/10/2017] [Indexed: 11/22/2022]
Abstract
BACKGROUND Proteins tend to form inactive aggregates under harsh conditions used in industrial processes. Lipases are enzymes that hydrolyse triglycerides to glycerol and free fatty acids, but are able to catalyse various other transformations in the presence of organic solvents. OBJECTIVES The main objective of this study was to investigate lipases behavior at high temperature and in presence of organic solvents. METHODS Heat-induced aggregation of porcine pancreatic lipase (PPL) was followed by UV-visible spectroscopy at 400 nm wavelength for 600 seconds, at the isoelectric point (pH 5, phosphate solution) and 50°C, and in presence or absence of various percentages of dimethyl sulfoxide (DMSO), propanol, isopropanol, acetone and trifluoroethanol (TFE). Possible positioning of each organic solvent molecule relative to PPL was investigated using docking method. RESULTS Native enzyme aggregated under aforementioned conditions and amorphous aggregates formed which were visible to the naked eye. From the tested solvents, DMSO reduced protein aggregation in a concentration-dependent manner. On the other hand, protein aggregation intensified by adding any of propanol, isopropanol, acetone or TFE. This effect was more pronounced in TFE and propanol compared to isopropanol and acetone. CONCLUSION Solvents with lower polarity led to aggregation, while solvent with higher polarity inhibited PPL aggregation, and DMSO could be effectively used to counteract lipase aggregation.
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Affiliation(s)
- Mahsa Vaezzadeh
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran. Iran
| | - Marjan Sabbaghian
- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran. Iran
| | - Parichehreh Yaghmaei
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran. Iran
| | - Azadeh Ebrahim-Habibi
- Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran. Iran
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Suo H, Gao Z, Xu L, Xu C, Yu D, Xiang X, Huang H, Hu Y. Synthesis of functional ionic liquid modified magnetic chitosan nanoparticles for porcine pancreatic lipase immobilization. Mater Sci Eng C Mater Biol Appl 2018; 96:356-364. [PMID: 30606543 DOI: 10.1016/j.msec.2018.11.041] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 10/24/2018] [Accepted: 11/24/2018] [Indexed: 10/27/2022]
Abstract
We developed magnetic chitosan nanoparticles (CS‑Fe3O4) with mean diameter of 15-20 nm. Subsequently, these inorganic-organic composite nanoparticles were modified using an imidazole-based functional ionic liquid (IL). The prepared support (IL‑CS‑Fe3O4), which was used to immobilize porcine pancreatic lipase (PPL), was characterized using Fourier transform infrared (FTIR) spectroscopy, vibrating sample magnetometry (VSM), thermogravimetry (TG), transmission electron microscopy (TEM) and X-ray diffraction (XRD). Circular dichroism (CD) was used to analyze the secondary structure of immobilized PPL. The immobilized PPL (PPL‑IL‑CS‑Fe3O4) exhibited 1.93-fold higher specific activity than PPL‑CS-Fe3O4 when triacetin was used as the substrate, and showed 95 mg/g of lipase immobilization capacity and 382% of activity recovery. The residual activity of PPL‑IL‑CS‑Fe3O4 was above 60% of the initial activity after incubation at 50 °C for 6 h, as was higher than that of PPL‑CS‑Fe3O4 which showed 40% of the initial activity. In addition, PPL‑IL‑CS‑Fe3O4 retained 84.6% of the initial activity after 10 cycles, whereas PPL‑CS‑Fe3O4 retained only 75.5% activity. Furthermore, the kinetic parameters, apparent Km and Vmax of PPL‑IL‑CS‑Fe3O4 were 2.51 mg/mL and 1.395 U/mg respectively, these results indicated that the immobilized PPL had better affinity towards the substrate, especially when the nanoparticles were modified by functional IL. Besides, the magnetic chitosan nanoparticles loaded with PPL were easily recovered. A novel, efficient, and practical method for enzyme immobilization was developed.
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Affiliation(s)
- Hongbo Suo
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 210009, China; College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China
| | - Zhen Gao
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 210009, China
| | - Lili Xu
- College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China
| | - Chao Xu
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 210009, China
| | - Dinghua Yu
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 210009, China
| | - Xinran Xiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 210009, China
| | - He Huang
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 210009, China.
| | - Yi Hu
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 210009, China.
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Konwarh R, Shail M, Medhi T, Mandal M, Karak N. Sonication assisted assemblage of exotic polymer supported nanostructured bio-hybrid system and prospective application. Ultrason Sonochem 2014; 21:634-642. [PMID: 24210814 DOI: 10.1016/j.ultsonch.2013.10.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Revised: 09/18/2013] [Accepted: 10/15/2013] [Indexed: 06/02/2023]
Abstract
This work was focused on sonication mediated immobilization of porcine pancreatic lipase (PPL) onto poly(ethylene glycol) supported silver-iron oxide hybrid nanoparticles (PEG-Ag/IONPs). Selected process parameters of sonication were optimized using response surface methodology. Sonication assisted assemblage of spherical PEG-Ag/IONPs and consequent evolution of nanorods post PPL immobilization were documented. The efficacy of the reported immobilization strategy was attested by the increased thermostability, storage stability and enhanced activity of the biocatalyst, suggestive of plausible structural modulations post immobilization. The commercial prospect of the antibacterial and magnetically recyclable system was vouched by its excellent compatibility with some commercial detergents for oil de-staining.
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Affiliation(s)
- Rocktotpal Konwarh
- Department of Chemical Sciences, Tezpur University, Napaam 784 028 , Assam, India
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