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Mahmood Fashandi H, Abbasi R, Mousavi Khaneghah A. The detoxification of aflatoxin M1
by Lactobacillus acidophilus
and Bifidobacterium
spp.: A review. J FOOD PROCESS PRES 2018. [DOI: 10.1111/jfpp.13704] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Hamid Mahmood Fashandi
- Department of Food Science and Technology, College of Food Science and Technology, Tehran Science and Research Branch; Islamic Azad University; Tehran Iran
| | - Roya Abbasi
- Department of Food Science and Technology, College of Food Science and Technology, Tehran Science and Research Branch; Islamic Azad University; Tehran Iran
| | - Amin Mousavi Khaneghah
- Department of Food Science, Faculty of Food Engineering; University of Campinas (UNICAMP); Campinas São Paulo Brazil
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Lili Z, Junyan W, Hongfei Z, Baoqing Z, Bolin Z. Detoxification of cancerogenic compounds by lactic acid bacteria strains. Crit Rev Food Sci Nutr 2017; 58:2727-2742. [PMID: 29053003 DOI: 10.1080/10408398.2017.1339665] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Carcinogens in food are an important issue that threat people's health right now. Lactic acid bacteria (LAB) strains as well-known probiotics have shown numerous perspectives in being used as a good food additive to confront cancerogenic compounds in recent years. Some LAB strains can remove cancerogenic compounds from medium environment via direct physical binding and avoid re-pollution of poisonous secondary metabolites which are generated from degradation of cancerogenic compounds. This article presents a whole overview of the physical-binding of LAB strains to such common cancerogenic compounds existed in food and feed environments as mycotoxins, polycyclic aromatic hydrocarbons (PAHs), heterocyclic amines (HAs) and pthalic acid esters (PAEs).In most cases, summaries of these published researches show that the binding of LAB strains to cancerogenic compounds is a physical process. Binding sites generally take place in cell wall, and peptidoglycan from LAB cells is the chief binding site. The adsorption of lactic acid bacteria to cancerogenic compounds is strain-specific. Specially, the strains from the two genera Lactobacillus and Bifidobacterium show a better potential in binding cancerogenic compounds. Moreover, we firstly used molecular dynamic computer model as a highly potential tool to simulate the binding behavior of peptidoglycan from Lactobacillus acidophilus to DBP, one of pthalic acid esters with genetic toxicity. It was seen that the theoretical data were quite consistent with the experimental results in terms of the ability of this bacterium to bind DBP. Also, the toxicity reduction of cancerogenic compounds by LAB strains could be achieved either in gastrointestinal model or animal tests and clinical researches as well. In conclusion, carefully selected LAB strains should be a good solution as one of safety strategies to reduce potential risk of cancerogenic compounds from food-based products.
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Affiliation(s)
- Zhao Lili
- a College of Biological Science & Biotechnology , Beijing Forestry University , Beijing , China
| | - Wei Junyan
- a College of Biological Science & Biotechnology , Beijing Forestry University , Beijing , China
| | - Zhao Hongfei
- a College of Biological Science & Biotechnology , Beijing Forestry University , Beijing , China.,b Beijing Key Laboratory of Forest Food Processing and Safety , Beijing , China
| | - Zhu Baoqing
- a College of Biological Science & Biotechnology , Beijing Forestry University , Beijing , China
| | - Zhang Bolin
- a College of Biological Science & Biotechnology , Beijing Forestry University , Beijing , China.,b Beijing Key Laboratory of Forest Food Processing and Safety , Beijing , China
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Guo C, Yuan Y, Yue T, Hatab S, Wang Z. Binding mechanism of patulin to heat-treated yeast cell. Lett Appl Microbiol 2012; 55:453-9. [PMID: 23066864 DOI: 10.1111/j.1472-765x.2012.03314.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2012] [Revised: 07/25/2012] [Accepted: 09/12/2012] [Indexed: 11/30/2022]
Abstract
AIMS This study aims to assess the removal mechanism of patulin using heat-treated Saccharomyces cerevisiae cells and identify the role of different cell wall components in the binding process. METHODS AND RESULTS In order to understand the binding mechanism, viable cells, heat-treated cells, cell wall and intracellular extract were performed to assess their ability to remove patulin. Additionally, the effects of chemical and enzymatic treatments of yeast on the binding ability were tested. The results showed that there was no significant difference between viable (53·28%) and heat-treated yeast cells (51·71%) in patulin binding. In addition, the cell wall fraction decreased patulin by 35·05%, and the cell extract nearly failed to bind patulin. Treatments with protease E, methanol, formaldehyde, periodate or urea significantly decreased (P < 0·05) the ability of heat-treated cells to remove patulin. Fourier transform infrared (FTIR) analysis indicated that more functional groups were involved in the binding process of heat-treated cells. CONCLUSIONS Polysaccharides and protein are important components of yeast cell wall involved in patulin removal. In addition, hydrophobic interactions play a major role in binding processes. SIGNIFICANCE AND IMPACT OF THE STUDY Heat-treated S. cerevisiae cells could be used to control patulin contamination in the apple juice industry. Also, our results proof that the patulin removal process is based mainly on the adsorption not degradation.
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Affiliation(s)
- C Guo
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Y Yuan
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - T Yue
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - S Hatab
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Z Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
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Tsuda H, Hara K, Miyamoto T. Binding of mutagens to exopolysaccharide produced by Lactobacillus plantarum mutant strain 301102S. J Dairy Sci 2008; 91:2960-6. [PMID: 18650272 DOI: 10.3168/jds.2007-0538] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Exopolysaccharide (EPS) was produced by Lactobacillus plantarum 301102 on exposure to the mutagenic action of acridine orange and novobiocin. The biological characteristics of this mutant strain 301102S were the same as those of the parent strain, but fermented milk prepared with the mutant strain showed antimutagenic activity on 3-amino-1,4-dimethyl-5H-pyrido indole. Only EPS-bound cells of strain 301102S showed binding ability to mutagens such as heterocyclic amines, and the mutagens were inactivated by binding to EPS. The binding ability was affected by pH; the greatest percentage binding was noted at pH 8.0. Addition of Mg(2+) and sodium dodecyl sulfate, but not oxgall, inhibited the binding ability. Therefore, the binding mechanism of the EPS may consist of ion-exchange and hydrophobic bonds, and the EPS would bind mutagens in the intestine.
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Affiliation(s)
- H Tsuda
- Graduate School of Natural Science and Technology, Okayama University, 1-1-1 Tsushimanaka, Okayama 700-8530, Japan
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Endo Y, Kimura N, Ikeda I, Fujimoto K, Kimoto H. Adsorption of bisphenol A by lactic acid bacteria, Lactococcus, strains. Appl Microbiol Biotechnol 2007; 74:202-7. [PMID: 17021871 DOI: 10.1007/s00253-006-0632-y] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2006] [Revised: 08/10/2006] [Accepted: 08/11/2006] [Indexed: 11/26/2022]
Abstract
Ten strains of the genus Lactococcus were examined for their ability to remove bisphenol A [2, 2-bis(4-hydroxyphenyl)propane; BPA], which is known as an endocrine disrupter. Nine strains of the lactococci tested could remove BPA from media during growth, although the removal ratio was below 9%. When BPA was incubated with lyophilized cells of lactococci for 1 h, the concentration of BPA in the media was decreased by 9-62%. Especially, the highest removal ratio of BPA was observed for Lactococcus lactis subsp. lactis 712. The lactococci could adsorb BPA but not degrade it, because the lactococci maintained the ability to remove BPA from the medium after autoclaving. When the lyophilized cells of L. lactis subsp. lactis 712 were also incubated with six analogues of BPA, they effectively adsorbed hydrophobic compounds such as 2, 2'-diphenylpropane and bisphenol A dimethylether. The BPA-adsorbing ability of lactococci could be due to the hydrophobic binding effect. The removal ratio of BPA by L. lactis subsp. lactis 712 was increased after treatment with sodium dodecyl sulfate and decreased after digestion with trypsin. These results suggest that the hydrophobic proteins on cell surface may be involved in the BPA-adsorbing ability of lactococci.
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Affiliation(s)
- Yasushi Endo
- Graduate School of Agricultural Science, Tohoku University, Tsutsumidori-Amamiyamachi, Aoba, Sendai 981-8555, Japan.
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El-Nezami H, Polychronaki N, Lee YK, Haskard C, Juvonen R, Salminen S, Mykkänen H. Chemical moieties and interactions involved in the binding of zearalenone to the surface of Lactobacillus rhamnosus strains GG. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2004; 52:4577-4581. [PMID: 15237970 DOI: 10.1021/jf049924m] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Viable, heat-and acid-killed Lactobacillus rhamnosus strain GG (LGG) has shown high binding properties with zearalenone (ZEN). To identify the type of chemical moieties and interactions involved in binding with the ZEN, LGG was subjected to different chemical and enzymatical treatments, prior to the binding experiments. Pretreating the viable, heat- and acid-killed bacteria with m-periodate significantly decreased ZEN binding, suggesting that ZEN binds predominantly to carbohydrate components. Pretreatment with Pronase E had no effect on the ability of viable cells to bind ZEN, however, a reduction in the binding of ZEN by heat- and acid-killed cells, suggesting that the new binding sites exposed by heat or acid are proteins in nature. Pretreatment with urea also decreased binding, suggesting that hydrophobic interactions play a role in ZEN binding. The binding of ZEN in concentrations ranging from 0.79 to 62.82 microM and its subsequent dissociation by repetitive aqueous washes was also studied. The binding sites of the bacteria were not saturated by the maximum ZEN concentration studied.
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Affiliation(s)
- Hani El-Nezami
- Department of Clinical Nutrition, University of Kuopio, P.O.B. 1627, FIN-70211 Kuopio, Finland.
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Turbic A, Ahokas JT, Haskard CA. Selective in vitro binding of dietary mutagens, individually or in combination, by lactic acid bacteria. FOOD ADDITIVES AND CONTAMINANTS 2002; 19:144-52. [PMID: 11820495 DOI: 10.1080/02652030110070067] [Citation(s) in RCA: 107] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Specific strains of lactic acid bacteria possessing antimutagenic properties are suggested to remove mutagenic contaminants of foods through binding and an investigation of their substrate specificity is required. The ability of Lactobacillus rhamnosus strains GG and LC-705 in viable and non-viable (heat- and acid-treated) forms to remove both dietary mutagens and other aromatic dietary substrates from solution was studied using HPLC. Overall, removal increased in the order: caffeine = vitamin B12 =folic acid < ochratoxin A < aflatoxin B1 = PhIP (2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine) < Trp-P-1 (3-amino-1, 4-dimethyl-5H-pyrido[4,3-b]indole) (p < 0.05). Aflatoxin B1, Trp-P-1 and PhIP were removed in high amounts (77-95%) and ochratoxin A was removed in moderate amounts (36-76%). By contrast, only minimal amounts of caffeine, vitamin B12 andfolic acid were removed (9-28%). The significant removal of selected mutagens, but not other substrates, suggests these strains may be useful for dietary detoxification. Since exposure to multiple mutagens is likely, the removal of aflatoxin B1 and Trp-P-1 from a mixture of these substrates was also investigated. Removal of AFB1 significantly increased (p < 0.05) in the presence of Trp-P-1, while removal of Trp-P-1 significantly decreased (p < 0.05) in the presence of AFB1. Overall, no significant differences in removal were found between bacterial strains or between viable, heat- and acid-treated bacteria.
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Affiliation(s)
- A Turbic
- Key Center for Applied and Nutritional Toxicology, School of Medical Sciences, RMIT-University, Bundoora, VIC, Australia
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Haskard C, Binnion C, Ahokas J. Factors affecting the sequestration of aflatoxin by Lactobacillus rhamnosus strain GG. Chem Biol Interact 2000; 128:39-49. [PMID: 10996299 DOI: 10.1016/s0009-2797(00)00186-1] [Citation(s) in RCA: 176] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The interaction of a potent carcinogen, aflatoxin B(1) (AFB(1)), with a probiotic strain of lactic acid bacteria, Lactobacillus rhamnosus strain GG (GG), has been investigated. The binding of AFB(1) to GG in the late exponential-early stationary phase was studied for viable, heat-killed and acid-killed bacteria. In general, viable, heat-killed and acid-killed GG responded in a similar manner. The effects of pronase E, lipase and m-periodate on AFB(1) binding and release were consistent with AFB(1) binding predominantly to carbohydrate components of the bacteria. The effect of urea suggested hydrophobic interactions play a major role in binding. Increasing concentration (0.01-1 M) of NaCl or CaCl(2) had minor effects on AFB(1) binding suggesting some involvement of electrostatic interactions. An increase in pH from 2.5 to 8.5 had no effect on AFB(1) binding but decreased binding of AFB(2a), possibly due to hydrogen bonding interactions.
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Affiliation(s)
- C Haskard
- Key Centre for Applied and Nutritional Toxicology, RMIT-University, GPO Box 2476V, Victoria 3001, Melbourne, Australia.
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Abstract
Lactobacillus gasseri is a common inhabitant of human intestine. The L. gasseri strains SBT10239 and SBT10241 have shown high antimutagenicity and binding properties with different heterocyclic amines. In order to identify the cell wall components involved in binding with the heterocyclic amines, the cells and cell walls of L. gasseri strains were subjected to different chemical and enzymatical treatments, prior to the binding experiments. The results indicated that the binding receptors for heterocyclic amines are the carbohydrate moieties of the cell wall. Binding of the heterocyclic amines with L. gasseri cell walls and the carbohydrate content showed high correlation coefficient, whereas it was insignificant or negative with protein content. The lectin binding studies revealed that the glucose molecules of the cell wall has a significant role in binding the heterocyclic amines. The inhibition caused by the lectin Concanavalin A was reversed when treated with methyl glucoside, a competitive inhibitor of Concanavalin A and restored the binding of heterocyclic amine with the cells.
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Affiliation(s)
- O Sreekumar
- Faculty of Agriculture, Shinshu University, Nagano-Minamiminowa 399-4598, Japan
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Sreekumar O, Hosono A. Antimutagenicity and the influence of physical factors in binding Lactobacillus gasseri and Bifidobacterium longum cells to amino acid pyrolysates. J Dairy Sci 1998; 81:1508-16. [PMID: 9684159 DOI: 10.3168/jds.s0022-0302(98)75716-9] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Antimutagenic and binding properties of 28 strains of Lactobacillus gasseri and 2 strains of Bifidobacterium longum on the mutagenicity of amino acid pyrolysates were investigated in vitro using a streptomycin-dependent (SD510) strain of Salmonella typhimurium TA 98. Four strains of L. acidophilus (SBT0274, SBT1703, SBT10239, and SBT10241) and 1 strain of B. longum (SBT 2928) exhibited the highest percentage of antimutagenicity and binding. These 5 strains were further optimized for other physical factors influencing the mechanism of binding, such as cell and mutagen concentration, pH, and incubation time. In all of the selected strains, 2 mg of cells bound with 88 to 95% of 0.2 mg of 3-amino-1,4 dimethyl-5H-pyrido[4,3-b]indole in 30 min at pH 7.0. Other amino acid pyrolysates, such as 3-amino-1-methyl-5H-pyrido[4,3-b]indole, 2-amino-6-methyldi-pyrido[1,2-a:3',2'-d]imidazole, 2-amino-3-methyl-imidazo[4,5,f]quinoline, and 2-amino-3,4-dimethyl-imidazo[4,5,f]quinoline were also tested for the binding ability of these strains. We observed that the complexity of the mutagens greatly influenced the binding properties. The binding of 3-amino-1,4 dimethyl-5H-pyrido[4,3-b]indole to the purified cell walls was very high compared with that of the crude cell wall, peptidoglycan, or the cell extract. Binding was inhibited when the cell walls were subjected to treatment with metaperiodate or trichloroacetic acid but not when they were subjected to treatment with lysozyme, trypsin, or proteinase K, reflecting the role of the carbohydrate component as a binding site.
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Affiliation(s)
- O Sreekumar
- United Graduate School of Agricultural Science, Gifu University, Japan
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Antimutagenic activity of Camembert cheese on the Trp-P-1-induced mutagenicity to streptomycin-dependent strain SD510 of Salmonella typhimurium TA98. Int Dairy J 1997. [DOI: 10.1016/s0958-6946(97)00096-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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