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Katsouli M, Dermesonlouoglou E, Dimopoulos G, Karafantalou E, Giannakourou M, Taoukis P. Shelf-Life Enhancement Applying Pulsed Electric Field and High-Pressure Treatments Prior to Osmotic Dehydration of Fresh-Cut Potatoes. Foods 2024; 13:171. [PMID: 38201199 PMCID: PMC10779092 DOI: 10.3390/foods13010171] [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: 11/30/2023] [Revised: 12/22/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
From a quality standpoint, it is desirable to preserve the characteristics of fresh-cut potatoes at their peak. However, due to the mechanical tissue damage during the cutting process, potatoes are susceptible to enzymatic browning. This study pertains to the selection of the appropriate osmotic dehydration (OD), high pressure (HP), and pulsed electric fields (PEF) processing conditions leading to effective quality retention of potato cuts. PEF (0.5 kV/cm, 200 pulses) or HP (400 MPa, 1 min) treatments prior to OD (35 °C, 120 min) were found to promote the retention of the overall quality (texture and color) of the samples. The incorporation of anti-browning agents (ascorbic acid and papain) into the osmotic solution improved the color retention, especially when combined with PEF or HP due to increased solid uptake (during OD) as indicated by DEI index (2.30, 1.93, and 2.10 for OD treated 120 min, non-pre-treated, HP pre-treated, and PEF pre-treated samples, respectively). PEF and HP combined with OD and anti-browning agent enrichment are sought to improve the quality and microbial stability of fresh-cut potatoes during refrigerator storage. Untreated fresh-cut potatoes were characterized by color degradation from the 2nd day of storage at 4 °C, and presented microbial growth (total viable counts: 6 log (CFU)/g) at day 6, whereas pre-treated potato samples retained their color and microbiologically stability after 6 days of cold storage (total viable counts, <4 log(CFU)/g).
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Affiliation(s)
| | - Efimia Dermesonlouoglou
- Laboratory of Food Chemistry and Technology, School of Chemical Engineering, National Technical University of Athens (NTUA), 9, Iroon Polytechniou Str, 15772 Zografou, Greece; (M.K.); (G.D.); (E.K.); (M.G.); (P.T.)
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Li J, Liu J, Xiao G, Li L, Xu Y, Yu Y, Liang Z, Xu S, Cheng L. Effects of high pressure synergistic enzymatic physical state and concentration on the denaturation of polyphenol oxidase. Food Chem 2023; 428:136703. [PMID: 37423103 DOI: 10.1016/j.foodchem.2023.136703] [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: 03/01/2023] [Revised: 06/10/2023] [Accepted: 06/20/2023] [Indexed: 07/11/2023]
Abstract
The synergistic effect of the initial state of the enzyme and pressure level on the denaturation of PPO has not been clear yet, but it significantly affects the application of high hydrostatic pressure (HHP) in the enzyme-containing food processing. Solid (S-) and low/high concentration liquid (LL-/HL-) polyphenol oxidase (PPO) was used as the study object, and the microscopic conformation, molecular morphology and macroscopic activity of PPO under HHP treatments (100-400 MPa, 25 °C/30 min) were investigated by spectroscopic techniques. The results show that the initial state has a significant effect on the activity, structure, active force and substrate channel of PPO under pressure. The effec can be ranked as follows: physical state > concentration > pressure, S-PPO > LL-PPO > HL-PPO. High concentration has a weakening effect on the pressure denaturation of the PPO solution. Under high pressure, the α-helix and concentration factors play a crucial role in stabilizing the structure.
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Affiliation(s)
- Jinghao Li
- Sericultural & Argi-Food Research Institute, Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural, Guangzhou 510610, China; Zhongkai University of Agricultural and Engineering, Guangzhou 510631, China
| | - Jie Liu
- Sericultural & Argi-Food Research Institute, Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural, Guangzhou 510610, China
| | - Gengsheng Xiao
- Sericultural & Argi-Food Research Institute, Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural, Guangzhou 510610, China; Zhongkai University of Agricultural and Engineering, Guangzhou 510631, China.
| | - Lu Li
- Sericultural & Argi-Food Research Institute, Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural, Guangzhou 510610, China
| | - Yujuan Xu
- Sericultural & Argi-Food Research Institute, Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural, Guangzhou 510610, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510610, China
| | - Yuanshan Yu
- Sericultural & Argi-Food Research Institute, Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural, Guangzhou 510610, China
| | - Zhanhong Liang
- Sericultural & Argi-Food Research Institute, Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural, Guangzhou 510610, China
| | - Sai Xu
- Institute of Facility Agriculture, Guangdong Academy of Agriculture Sciences
| | - Lina Cheng
- Sericultural & Argi-Food Research Institute, Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural, Guangzhou 510610, China.
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Jia S, Jiang S, Chen Y, Wei Y, Shao X. Comparison of Inhibitory Effects of Cinnamic Acid, β-Cyclodextrin, L-Cysteine, and Ascorbic Acid on Soluble and Membrane-Bound Polyphenol Oxidase in Peach Fruit. Foods 2022; 12:foods12010167. [PMID: 36613383 PMCID: PMC9818785 DOI: 10.3390/foods12010167] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 12/31/2022] Open
Abstract
There has been considerable interest in controlling polyphenol oxidase (PPO) activity to prevent enzymatic browning in foods. However, studies on inhibitions of different forms of PPO are very limited. Thus, this study focuses on the effects of cinnamic acid, β-cyclodextrin, L-cysteine, and ascorbic acid on soluble PPO (sPPO) and membrane-bound PPO (mPPO) in peach fruit. The activity of partially purified sPPO was 3.17 times higher than that of mPPO. However, mPPO was shown to be more stable than sPPO in the presence of inhibitors with different concentrations (i.e., 1, 3, 5 mM); activation of mPPO was found by 5 mM L-cysteine. Both sPPO and mPPO inhibitions were PPO substrate-dependent. Ascorbic acid showed the highest inhibitory effect on both sPPO and mPPO with all studied inhibitors and substrates. The inhibition of 1 mM ascorbic acid on sPPO and mPPO reached 95.42 ± 0.07% and 65.60 ± 1.16%, respectively. β-Cyclodextrin had a direct inhibitory effect only on sPPO, while the other three inhibitors had direct effects on both sPPO and mPPO. Cinnamic acid exhibited a non-competitive inhibition on sPPO and mPPO, with L-cysteine showing the same, though on sPPO. The inhibition of studied inhibitors on sPPO and mPPO is highly related to the substrate environment, type, and concentration of inhibitors. This study provides a basis for the further prevention of peach fruit browning from the perspective of different enzyme forms.
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Affiliation(s)
| | - Shu Jiang
- Correspondence: ; Tel.: +86-574-8760-4379
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Hassoun A, Prieto MA, Carpena M, Bouzembrak Y, Marvin HJ, Pallarés N, Barba FJ, Punia Bangar S, Chaudhary V, Ibrahim S, Bono G. Exploring the role of green and Industry 4.0 technologies in achieving sustainable development goals in food sectors. Food Res Int 2022; 162:112068. [DOI: 10.1016/j.foodres.2022.112068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 10/13/2022] [Accepted: 10/16/2022] [Indexed: 11/04/2022]
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Zhou H, Wang F, Niu H, Yuan L, Tian J, Cai S, Bi X, Zhou L. Structural studies and molecular dynamic simulations of polyphenol oxidase treated by high pressure processing. Food Chem 2022; 372:131243. [PMID: 34655831 DOI: 10.1016/j.foodchem.2021.131243] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 09/21/2021] [Accepted: 09/24/2021] [Indexed: 12/23/2022]
Abstract
High pressure processing (HPP) exhibited different effect on polyphenol oxidase (PPO), but the conformational changes was not clear yet. In this study, molecular dynamics simulation combined with spectroscopic experiments were used to explore PPO conformational changes under high pressure at the molecular level. The simulation results showed that high pressure decreased volume and hydrogen bonds, induced changes in active center and movement of loop. Especially, the conformational changes under 200 and above 400 MPa were different. Under 200 MPa, the distance between His 61 and Cu decreased by 0.4 Å, active pocket was exposed, substrate channel became larger. However, the distance increased by 6.1 Å under 600 MPa, active pocket moved inward, substrate channel became narrower. Docking results of 200 and 600 MPa had the highest and lowest binding affinity, whose T-score was 4.657 and 4.130, respectively. These results were consistent with spectroscopic experiments of PPO after HHP.
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Affiliation(s)
- Hengle Zhou
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, Yunnan Province, China
| | - Fuhai Wang
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, Yunnan Province, China
| | - Huihui Niu
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, Yunnan Province, China
| | - Lei Yuan
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, Yunnan Province, China
| | - Jun Tian
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, Yunnan Province, China
| | - Shengbao Cai
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, Yunnan Province, China
| | - Xiufang Bi
- Sichuan Key Laboratory of Food Biotechnology, School of Food and Bioengineering, Xihua University, Chengdu 610039, Sichuan Province, China
| | - Linyan Zhou
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, Yunnan Province, China.
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Gu H, Huang X, Sun Y, Lv R, Chen Q. Qualitative and Quantitative Analysis of Oxidative Degradation Products in Frying Oil by Three-Dimensional Fluorescence Spectroscopy with Metalloporphyrin-Based Sensor. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-021-02182-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Roobab U, Abida A, Afzal R, Madni GM, Zeng X, Rahaman A, Aadil RM. Impact of high‐pressure treatments on enzyme activity of fruit‐based beverages: an overview. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.15492] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ume Roobab
- School of Food Science and Engineering South China University of Technology Guangzhou 510641 China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center) Guangzhou 510640 China
| | - Afeera Abida
- National Institute of Food Science and Technology University of Agriculture Faisalabad 38000 Pakistan
| | - Rehan Afzal
- National Institute of Food Science and Technology University of Agriculture Faisalabad 38000 Pakistan
| | - Ghulam Muhammad Madni
- National Institute of Food Science and Technology University of Agriculture Faisalabad 38000 Pakistan
| | - Xin‐An Zeng
- School of Food Science and Engineering South China University of Technology Guangzhou 510641 China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center) Guangzhou 510640 China
| | - Abdul Rahaman
- School of Food Science and Engineering South China University of Technology Guangzhou 510641 China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center) Guangzhou 510640 China
| | - Rana Muhammad Aadil
- National Institute of Food Science and Technology University of Agriculture Faisalabad 38000 Pakistan
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Bleoanca I, Patrașcu L, Borda D. Quality and Stability Equivalence of High Pressure and/or Thermal Treatments in Peach-Strawberry Puree. A Multicriteria Study. Foods 2021; 10:foods10112580. [PMID: 34828860 PMCID: PMC8622699 DOI: 10.3390/foods10112580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/20/2021] [Accepted: 10/23/2021] [Indexed: 11/23/2022] Open
Abstract
A bottom-up approach identifying equivalent effects of high-pressure processing (HPP—600 MPa, 20 °C, 10 min), thermal treatment (TT—70 °C, 15 min) and high pressure-mild thermal processing (HPMT—600 MPa, 50 °C, 10 min) on quality and stability of peach–strawberry puree was applied during refrigerated storage. TT and HPP ensured 3-log aerobic bacteria inactivation at first, while HPMT reduction was below the detection limit. After 21 days all samples had equivalent microbiological stability. A 2.6-fold increase in the residual activity of PPO and POD was found in the HPP sample compared to TT and HPMT samples (1st day); after 21 days PPO, POD and TPC were equivalent for TT and HPP peach–strawberry purees. Equivalent volatile profile and rheology behavior was observed after 21 days of all samples’ storage. Meanwhile, the color of the HPP, TT and HMPT samples remained significantly different (p < 0.05) throughout the whole storage period, with the lowest browning index registered for HPP samples.
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Affiliation(s)
- Iulia Bleoanca
- Faculty of Food Science and Engineering, Dunarea de Jos University of Galati, 111 Domneasca Str., 800201 Galati, Romania
| | - Livia Patrașcu
- Cross-Border Faculty, Dunarea de Jos University of Galati, 111 Domneasca Str., 800201 Galati, Romania
| | - Daniela Borda
- Faculty of Food Science and Engineering, Dunarea de Jos University of Galati, 111 Domneasca Str., 800201 Galati, Romania
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Wang F, Zhou H, Cheng F, Niu H, Yuan L, Yi J, Zhou L. Comparison of the characterization and the temperature/pressure stability of soluble and membrane-bound polyphenol oxidase from ‘Lijiang’ snow peach. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111401] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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10
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Biotransformation of the Brazilian Caatinga fruit-derived phenolics by Lactobacillus acidophilus La-5 and Lacticaseibacillus casei 01 impacts bioaccessibility and antioxidant activity. Food Res Int 2021; 146:110435. [PMID: 34119243 DOI: 10.1016/j.foodres.2021.110435] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 05/07/2021] [Accepted: 05/21/2021] [Indexed: 01/23/2023]
Abstract
This study aims to evaluate the effect of fermentation of fruit purees (seriguela, mangaba, mango, and acerola) with Lacticaseibacillus casei 01 and/or Lactobacillus acidophilus LA-05 on the profile and bioaccessibility of phenolics and antioxidant activity. The physicochemical parameters and sugar and organic acid contents were also measured for evaluating the fermentation system. Fruit purees were adequate substrates for the growth of probiotic cultures, presenting high viability in the product and after simulated gastrointestinal conditions (≥7 log CFU/g). The fermentation with probiotic cultures increased the lactic acid (8.45-15.44 mg/mL), acetic acid (0.05-1.05 mg/mL), and phenolic contents and bioaccessibility, while the pH values and glucose and fructose contents were decreased (p < 0.05). L. acidophilus was found in higher counts in seriguela puree (8.00 ± 0.03), resulting in a higher consumption of maltose, fructose, and glucose, increased phenolic compounds content and bioacessibility and higher antioxidant activity (p < 0.05). The co-cultivation of both probiotic strains showed promising results for mango, mangaba and seriguela purees, resulting in an increased content and bioaccessibility of phenolics and higher antioxidant activity (p < 0.05). Our findings demonstrate for the first time that the Brazilian Caatinga fruit-derived phenolics can be biotransformed by Lactobacillus and amended genera probiotics to bioaccesible phenolics with antioxidant activity. The knowledge obtained from this study will provide fundamental concepts of the use of synergistic probiotics for future fermentation of other fruit purees to increase the bioaccesibility and antioxidant activity of biotransformed phenolic compounds.
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Yang D, Reyes-De-Corcuera JI. Increased activity of alcohol oxidase at high hydrostatic pressure. Enzyme Microb Technol 2021; 145:109751. [PMID: 33750541 DOI: 10.1016/j.enzmictec.2021.109751] [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: 09/22/2020] [Revised: 12/18/2020] [Accepted: 01/20/2021] [Indexed: 10/22/2022]
Abstract
Alcohol oxidase (AOx) from P. pastoris has potential applications in the production of carbonyl compounds and for the detection and quantification of alcohols. However, AOx's poor stability and low activity have hindered its practical application. There are two fractions of AOx in P. pastoris with different thermal stability. High hydrostatic pressure (HHP) increased the activity of the labile (L) + resistant (R) combined fractions but not of the R fraction alone. The activity of the L + R fractions increased 2.4-fold at 160 MPa and 30 °C compared to the activity at 0.1 MPa. At higher temperatures, the increase in activity with pressure was greater due to the combined stabilization and activation effects. The reaction rate of the R fraction at 50 °C was 17.9 ± 3.6 or 17.7 ± 0.8 μM min-1 at 80 or 160 MPa, respectively, and was not significantly different from the activity of the L + R fractions under the same conditions (18.4 ± 2.7 μM min-1). The activation energy of the R fraction was not significantly different between 80 MPa (41.5 ± 10.5 kJ mol-1) and 160 MPa (43.8 ± 7.8 kJ mol-1). The combined increase in the stability of the R fraction at HHP enables the use of the enzyme at 50 °C with little loss of activity and an increased catalytic rate.
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Affiliation(s)
- Daoyuan Yang
- Department of Food Science and Technology, University of Georgia, Athens, GA 30602, USA
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Baltacıoğlu H, Coruk KS. Determination of conformational changes of polyphenol oxidase and peroxidase in peach juice during mild heat treatment using FTIR spectroscopy coupled with chemometrics. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.14930] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hande Baltacıoğlu
- Department of Food Engineering Niğde Ömer Halisdemir University Niğde51240Turkey
| | - Katibe Sinem Coruk
- Department of Food Engineering Niğde Ömer Halisdemir University Niğde51240Turkey
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Mune Mune MA, Stănciuc N, Grigore-Gurgu L, Aprodu I, Borda D. Structural changes induced by high pressure processing in Bambara bean proteins at different pH. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109187] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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