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Qian J, Chen D, Zhang Y, Gao X, Xu L, Guan G, Wang F. Ultrasound-Assisted Enzymatic Protein Hydrolysis in Food Processing: Mechanism and Parameters. Foods 2023; 12:4027. [PMID: 37959146 PMCID: PMC10647539 DOI: 10.3390/foods12214027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 10/30/2023] [Accepted: 11/02/2023] [Indexed: 11/15/2023] Open
Abstract
Ultrasound has been widely used as a green and efficient non-thermal processing technique to assist with enzymatic hydrolysis. Compared with traditional enzymatic hydrolysis, ultrasonic-pretreatment-assisted enzymatic hydrolysis can significantly improve the efficiency of enzymatic hydrolysis and enhance the biological activity of substrates. At present, this technology is mainly used for the extraction of bioactive substances and the degradation of biological macromolecules. This review is focused on the mechanism of enzymatic hydrolysis assisted by ultrasonic pretreatment, including the effects of ultrasonic pretreatment on the enzyme structure, substrate structure, enzymatic hydrolysis kinetics, and thermodynamics and the effects of the ultrasonic conditions on the enzymatic hydrolysis results. The development status of ultrasonic devices and the application of ultrasonic-assisted enzymatic hydrolysis in the food industry are briefly described in this study. In the future, more attention should be paid to research on ultrasound-assisted enzymatic hydrolysis devices to promote the expansion of production and improve production efficiency.
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Affiliation(s)
- Jingya Qian
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (J.Q.); (D.C.); (Y.Z.); (X.G.); (L.X.); (G.G.)
| | - Di Chen
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (J.Q.); (D.C.); (Y.Z.); (X.G.); (L.X.); (G.G.)
| | - Yizhong Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (J.Q.); (D.C.); (Y.Z.); (X.G.); (L.X.); (G.G.)
| | - Xianli Gao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (J.Q.); (D.C.); (Y.Z.); (X.G.); (L.X.); (G.G.)
| | - Ling Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (J.Q.); (D.C.); (Y.Z.); (X.G.); (L.X.); (G.G.)
- Institute of Agricultural Products Processing Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Guoqiang Guan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (J.Q.); (D.C.); (Y.Z.); (X.G.); (L.X.); (G.G.)
| | - Feng Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (J.Q.); (D.C.); (Y.Z.); (X.G.); (L.X.); (G.G.)
- Institute of Agricultural Products Processing Engineering, Jiangsu University, Zhenjiang 212013, China
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Ge S, He C, Duan Y, Zhou X, Lei J, Tong X, Wang L, Wu Q, Jia J. Characteristics of enzymolysis of silkworm pupa protein after tri-frequency ultrasonic pretreatment: kinetics, thermodynamics, structure and antioxidant changes. Front Bioeng Biotechnol 2023; 11:1170676. [PMID: 37425356 PMCID: PMC10326274 DOI: 10.3389/fbioe.2023.1170676] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 06/07/2023] [Indexed: 07/11/2023] Open
Abstract
As a by-product of the sericulture industry, the utilization rate of silkworm pupa resources is currently not high. Proteins are converted into bioactive peptides through enzymatic hydrolysis. Not only can it solve the utilization problem, but it also creates more valuable nutritional additives. Silkworm pupa protein (SPP) was pretreated with tri-frequency ultrasonic (22/28/40 kHz). Effects of ultrasonic pretreatment on enzymolysis kinetics, enzymolysis thermodynamics, hydrolysate structure as well as hydrolysate antioxidant of SPP were investigated. Ultrasonic pretreatment significantly increased the hydrolysis efficiency, showing a 6.369% decrease in k m and a 16.746% increase in k A after ultrasonic action (p < 0.05). The SPP enzymolysis reaction followed a second-order rate kinetics model. Evaluation of enzymolysis thermodynamics revealed that Ultrasonic pretreatment markedly enhanced the SPP enzymolysis, leading to a 21.943% decrease in E a. Besides, Ultrasonic pretreatment significantly increased SPP hydrolysate's surface hydrophobicity, thermal stability, crystallinity, and antioxidant activities (DPPH radical scavenging activity, Fe2+ chelation ability, and reducing power). This study indicated that tri-frequency ultrasonic pretreatment could be an efficient approach to enhancing the enzymolysis and improving the functional properties of SPP. Therefore, tri-frequency ultrasound technology can be applied industrially to enhance enzyme reaction process.
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Affiliation(s)
- Shuangmei Ge
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Chunyan He
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Yichen Duan
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Xiaotao Zhou
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Jialong Lei
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Xiangyun Tong
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Libing Wang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Qiongying Wu
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Junqiang Jia
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, China
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Chen Y, Zheng Z, Ai Z, Zhang Y, Tan CP, Liu Y. Exploring the Antioxidant and Structural Properties of Black Bean Protein Hydrolysate and Its Peptide Fractions. Front Nutr 2022; 9:884537. [PMID: 35734370 PMCID: PMC9207475 DOI: 10.3389/fnut.2022.884537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
A great deal of attention has been paid to charactering the protein hydrolysates prepared by enzymatic hydrolysis, while the influence of molecular weight (MW) distributions on the resultant hydrolysates remains unclear. This study aimed to explore the physicochemical and antioxidant characteristics of protein hydrolysate and its peptide fractions. Bromelain has been commonly used to hydrolyze black bean protein via response surface methodology (RSM). The optimal hydrolysis parameters were observed at 52°C, pH 7, E/S ratio of 2.2 (ratio of enzyme to substrate), and 4 h. Under these parameters, the hydrolysate (BPH) presented DPPH radical scavenging activity and Fe2+ chelating activity with IC50 values of 100.08 ± 2.42 and 71.49 ± 0.81 μg/mL, respectively. This might be attributed to structural characteristics, varying with different molecular weight distributions. Interestingly, among BPH and its peptide fractions, peptides smaller than 3 kDa were noted to exhibit the strongest DPPH and ABTS radical scavenging activity. More intriguingly, this peptide fraction (<3 kDa) could predominantly prolong the induction period of sunflower oil, which was, respectively increased to 1.31 folds. This may be due to high proportions of hydrophobic amino acids. Unexpectedly, the optimal Fe2+ chelating activity was observed in the peptide fraction measuring at 3–10 kDa, showing highly positive correlations with histidine and arginine. These identified peptide fractions derived from black bean protein can therefore be employed for food fortification acting as natural antioxidant alternatives.
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Affiliation(s)
- Yin Chen
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
| | - Zhaojun Zheng
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
| | - Zixuan Ai
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
| | - Yan Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
| | - Chin Ping Tan
- Department of Food Technology, Faculty of Food Science and Technology, Universiti Putra Malaysia, Seri Kembanganr, Malaysia
| | - Yuanfa Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, China
- Future Food (Nanjing Fuzhe) Research Institute Co., Ltd., Nanjing, China
- *Correspondence: Yuanfa Liu,
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Li Q, Yang H, Coldea TE, Andersen ML, Li W, Zhao H. Enzymolysis kinetics, thermodynamics and structural property of brewer’s spent grain protein pretreated with ultrasound. FOOD AND BIOPRODUCTS PROCESSING 2022. [DOI: 10.1016/j.fbp.2022.01.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Xu B, Azam SMR, Feng M, Wu B, Yan W, Zhou C, Ma H. Application of multi-frequency power ultrasound in selected food processing using large-scale reactors: A review. ULTRASONICS SONOCHEMISTRY 2021; 81:105855. [PMID: 34871910 PMCID: PMC8649895 DOI: 10.1016/j.ultsonch.2021.105855] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/23/2021] [Accepted: 11/29/2021] [Indexed: 05/08/2023]
Abstract
Ultrasound as an eco-friendly green technology has been widely studied in food processing. Nevertheless, there is a lack of publications regarding the application of ultrasound in food processing using large-scale reactors. In this paper, the mechanisms and the devices of multi-frequency power ultrasound (MFPU) are described. Moreover, the MFPU applied in enzymolysis of protein, and washing of fruits and vegetables are reviewed. The application of MFPU can improve the enzymolysis of protein through modification on enzyme, modification on substrate materials, and facilitation of the enzymatic hydrolysis process. The ultrasound treatment can enhance the removal of microorganisms, and pesticides on the surface of fruits and vegetables. Furthermore, the reactors of ultrasound-assisted enzymolysis of protein, and washing of fruits and vegetables on the industrial scale are also detailed. This review paper also considers future trends, limitations, drawbacks, and developments of ultrasound application in enzymolysis and washing.
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Affiliation(s)
- Baoguo Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; Institute of Food Physical Processing, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - S M Roknul Azam
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Min Feng
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Bengang Wu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; Institute of Food Physical Processing, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Weiqiang Yan
- Institute of Crop Breeding and Cultivation, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; Institute of Food Physical Processing, Jiangsu University, Zhenjiang, Jiangsu 212013, China
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Huang L, Zhang W, Yan D, Ma L, Ma H. Solubility and aggregation of soy protein isolate induced by different ionic liquids with the assistance of ultrasound. Int J Biol Macromol 2020; 164:2277-2283. [PMID: 32795570 DOI: 10.1016/j.ijbiomac.2020.08.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/19/2020] [Accepted: 08/04/2020] [Indexed: 01/03/2023]
Abstract
The aim of this study was to evaluate the effects of ionic liquids (ILs) and ultrasound on the solubility and aggregation behavior of soy protein isolate (SPI). A variety of ILs were tested. Results showed that changes in cation or anion altered the physicochemical properties of ionic liquids, which in turn influenced the solubility of SPI. High concentration of ILs resulted in the formation of insoluble aggregates, which lead to the decrease of solubility. In most of the cases, ultrasound pretreatment had a considerable impact on the solubility and aggregation of SPI. The solubility of SPI processed by combination of 1 mg/mL 1-butyl-2,3-dimethyl imidazolium chloride ([BDMIM]Cl) and ultrasound changed remarkably compared with single ultrasound and single [BDMIM]Cl processing, which was increased by 71.8% compared with that of control (P < .05). Changes in particle size, intrinsic fluorescence spectra and free sulfhydryl (SH) groups indicated that the structure of SPI refolded and reaggregated after the ultrasound and ILs pretreatments. Combined ultrasound and 1 mg/mL [BDMIM]Cl pretreatment showed a synergistic effect on changing the SPI microstructure. In conclusion, ultrasound-assisted ILs could be an effective modification method for the globular proteins.
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Affiliation(s)
- Liurong Huang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China.
| | - Wenxue Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Dongguang Yan
- School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212013, Jiangsu, China
| | - Lixin Ma
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China; Institute of Food Physical Processing, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, Jiangsu, China
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Dabbour M, He R, Mintah B, Golly MK, Ma H. Ultrasound pretreatment of sunflower protein: Impact on enzymolysis, ACE‐inhibition activity, and structure characterization. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14398] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Mokhtar Dabbour
- School of Food and Biological Engineering Jiangsu University Zhenjiang China
- Department of Agricultural and Biosystems Engineering Faculty of Agriculture Benha University Benha Egypt
| | - Ronghai He
- School of Food and Biological Engineering Jiangsu University Zhenjiang China
| | - Benjamin Mintah
- School of Food and Biological Engineering Jiangsu University Zhenjiang China
- ILSI‐UG FSNTC Department of Nutrition and Food Science University of Ghana Accra Ghana
| | - Moses K. Golly
- School of Food and Biological Engineering Jiangsu University Zhenjiang China
- Faculty of Applied Sciences and Technology Sunyani Technical University Sunyani Ghana
| | - Haile Ma
- School of Food and Biological Engineering Jiangsu University Zhenjiang China
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Liu CY, Su WB, Guo LB, Zhang YW. Cloning, expression, and characterization of a novel heparinase I from Bacteroides eggerthii. Prep Biochem Biotechnol 2020; 50:477-485. [PMID: 31900079 DOI: 10.1080/10826068.2019.1709977] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Heparinase I (Hep I) specifically degrades heparin to oligosaccharide or unsaturated disaccharide and has been widely used in preparation of low molecular weight heparin (LMWH). In this work, a novel Hep I from Bacteroides eggerthii VPI T5-42B-1 was cloned and overexpressed in Escherichia coli BL21 (DE3). The enzyme has specific activity of 480 IU·mg-1 at the optimal temperature and pH of 30 °C and pH 7.5, and the Km and Vmax were 3.6 mg·mL-1 and 647.93 U·mg-1, respectively. The Hep I has good stability with t1/2 values of 350 and 60 min at 30 and 37 °C, respectively. And it showed a residual relative activity of 70.8% after 21 days incubation at 4 °C. Substrate docking study revealed that Lys99, Arg101, Gln241, Lys270, Asn275, and Lys292 were mainly involved in the substrate binding of Hep I. The shorter hydrogen bonds formed between heparin and these residues suggested the higher specific activity of BeHep I. And the minimum conformational entropy value of 756 J·K-1 provides an evidence for the improved stability of this enzyme. This Hep I could be of interest in the industrial preparation of LMWH for its high specific activity and good stability.
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Affiliation(s)
- Cai-Yun Liu
- School of Pharmacy, Jiangsu University, Zhenjiang, People's Republic of China
| | - Wen-Bin Su
- School of Pharmacy, Jiangsu University, Zhenjiang, People's Republic of China
| | - Li-Bin Guo
- School of Pharmacy, Jiangsu University, Zhenjiang, People's Republic of China
| | - Ye-Wang Zhang
- School of Pharmacy, Jiangsu University, Zhenjiang, People's Republic of China
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Effects of ultrasound pretreatment on the enzymolysis of pectin: Kinetic study, structural characteristics and anti-cancer activity of the hydrolysates. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2017.12.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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