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Zaręba D, Ziarno M. Tween 80™-induced changes in fatty acid profile of selected mesophilic lactobacilli. Acta Biochim Pol 2024; 71:13014. [PMID: 39027262 PMCID: PMC11254618 DOI: 10.3389/abp.2024.13014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Accepted: 06/19/2024] [Indexed: 07/20/2024]
Abstract
Fatty acid profiles are crucial for the functionality and viability of lactobacilli used in food applications. Tween 80™, a common culture media additive, is known to influence bacterial growth and composition. This study investigated how Tween 80™ supplementation impacts the fatty acid profiles of six mesophilic lactobacilli strains (Lacticaseibacillus spp., Limosilactobacillus spp., Lactiplantibacillus plantarum). Analysis of eleven strains revealed 29 distinct fatty acids. Tween 80™ supplementation significantly altered their fatty acid composition. Notably, there was a shift towards saturated fatty acids and changes within the unsaturated fatty acid profile. While some unsaturated fatty acids decreased, there was a concurrent rise in cyclic derivatives like lactobacillic acid (derived from vaccenic acid) and dihydrosterculic acid (derived from oleic acid). This suggests that despite the presence of Tween 80™ as an oleic acid source, lactobacilli prioritize the synthesis of these cyclic derivatives from precursor unsaturated fatty acids. Myristic acid and dihydrosterculic acid levels varied across strains. Interestingly, palmitic acid content increased, potentially reflecting enhanced incorporation of oleic acid from Tween 80™ into membranes. Conversely, cis-vaccenic acid levels consistently decreased across all strains. The observed fatty acid profiles differed from previous studies, likely due to a combination of factors including strain-specific variations and growth condition differences (media type, temperature, harvesting point). However, this study highlights the consistent impact of Tween 80™ on the fatty acid composition of lactobacilli, regardless of these variations. In conclusion, Tween 80™ significantly alters fatty acid profiles, influencing saturation levels and specific fatty acid proportions. This work reveals key factors, including stimulated synthesis of lactobacillic acid, competition for oleic acid incorporation, and strain-specific responses to myristic and dihydrosterculic acids. The consistent reduction in cis-vaccenic acid and the presence of cyclic derivatives warrant further investigation to elucidate their roles in response to Tween 80™ supplementation.
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Affiliation(s)
- Dorota Zaręba
- Professor E. Pijanowski Catering School Complex in Warsaw, Warsaw, Poland
| | - Małgorzata Ziarno
- Institute of Food Science, Department of Food Technology and Assessment, Warsaw University of Life Sciences - SGGW (WULS-SGGW), Warsaw, Poland
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Temimi WKAAL, Kadhim MA, Khalaf AA. Partial purification of linoleic acid isomerase enzyme from Lactobacillus paracasei bacteria isolated from milk. BRAZ J BIOL 2024; 84:e258276. [DOI: 10.1590/1519-6984.258276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 12/03/2021] [Indexed: 11/22/2022] Open
Abstract
Abstract Conjugated Linoleic Acid (CLA) has attracted the attention of many researchers, especially that of microbial origin due to its biological importance to the consumer. The current study aims to extract LA Isomerase enzyme from Lactobacillus paracasei bacteria from milk and to use the enzyme in the production of CLA. Selective media, including MRS and MRS-Dagatose, were used in isolating local strains. The selected bacterial isolates were tested for their ability to produce LA-Isomerase enzyme. The isolate with high enzymatic activity was selected. After extraction and partial purification of the enzyme, the optimal conditions for the production of conjugated fatty acid were studied, and the reaction products were diagnosed using GC-MS technology. It was found that 11 isolates have the ability to produce CLA at different concentrations, H1 isolate showed the highest production of conjugated fatty acid at a concentration of 120.45 g.ml-1, this isolate was selected as the source for enzyme extraction. The enzymatic activity of the crude extract and partially purified with ammonium sulfate was estimated using color methods at wavelength of 233 nm. The effect of the optimum conditions (pH, temperature, linoleic acid concentration and enzyme concentration) on the CLA product was studied using the partially purified LA Isomerase enzyme, the optimum conditions for production were 6.5, 45 °C, 100 μg.ml-1 and 0.7 ml, respectively. The GC-MS technique showed the presence of a number of reaction products that are isomers of conjugated linoleic acid (C9T11, T9T12, T10C12) with different concentrations.
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Gong M, Hu Y, Wei W, Jin Q, Wang X. Production of conjugated fatty acids: A review of recent advances. Biotechnol Adv 2019; 37:107454. [PMID: 31639444 DOI: 10.1016/j.biotechadv.2019.107454] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 08/26/2019] [Accepted: 09/23/2019] [Indexed: 10/25/2022]
Abstract
Conjugated fatty acids (CFAs) have received a deal of attention due to the increasing understanding of their beneficial physiological effects, especially the anti-cancer effects and metabolism-regulation activities. However, the production of CFAs is generally difficult. Several challenges are the low CFAs content in natural sources, the difficulty to chemically synthesize target CFA isomers in high purity, and the sensitive characteristics of CFAs. In this article, the current technologies to produce CFAs, including physical, chemical, and biotechnical approaches were summarized, with a focus on the conjugated linoleic acids (CLAs) and conjugated linolenic acids (CLNAs) which are the most common investigated CFAs. CFAs usually demonstrate stronger physiological effects than other non-conjugated fatty acids; however, they are more sensitive to heat and oxidation. Consequently, the quality control throughout the entire production process of CFAs is significant. Special attention was given to the micro- or nano-encapsulation which presented as an emerging technique to improve the bioavailability and storage stability of CFAs. The current applications of CFAs and the potential research directions were also discussed.
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Affiliation(s)
- Mengyue Gong
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; International Joint Research Laboratory for Lipid Nutrition and Safety, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China
| | - Yulin Hu
- Department of Chemical and Biochemical Engineering, Western University, London, ON N6A 3K7, Canada
| | - Wei Wei
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; International Joint Research Laboratory for Lipid Nutrition and Safety, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China
| | - Qingzhe Jin
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; International Joint Research Laboratory for Lipid Nutrition and Safety, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China
| | - Xingguo Wang
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; International Joint Research Laboratory for Lipid Nutrition and Safety, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China.
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Tyagi AK, Kumar S, Choudhury PK, Tyagi B, Tyagi N. Conjugated linoleic acid producing potential of lactobacilli isolated from goat (AXB) rumen fluid samples. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2019; 33:1233-1241. [PMID: 31480154 PMCID: PMC7322636 DOI: 10.5713/ajas.19.0080] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 07/26/2019] [Indexed: 11/27/2022]
Abstract
OBJECTIVE The present investigation was aimed to explore the potential of lactobacilli for conjugated linoleic acid (CLA) production, isolated from rumen fluid samples of lactating goats. METHODS A total of 64 isolates of lactobacilli were obtained using deMan-Rogosa-Sharpe (MRS) agar from rumen fluid of goats and further subjected to morphological and biochemical characterizations. Isolates found as gram-positive, catalase negative rods were presumptively identified as Lactobacillus species and further confirmed by genus specific polymerase chain reaction (PCR). The phylogenetic tree was constructed from the nucleotide sequences using MEGA6. RESULTS Out of the 64 isolates, 23 isolates were observed positive for CLA production by linoleate isomerase gene-based amplification and quantitatively by UV-spectrophotometric assay for the conversion of linoleic acid to CLA as well as gas chromatography-based assay. In all Lactobacillus species cis9, trans11 isomer was observed as the most predominant CLA isomer. These positive isolates were identified by 16S rRNA gene-based PCR sequencing and identified to be different species of L. ingluviei (2), L.salivarius (2), L. curvatus (15), and L. sakei (4). CONCLUSION The findings of the present study concluded that lactic acid bacteria isolated from ruminal fluid samples of goat have the potential to produce bioactive CLA and may be applied as a direct fed microbial to enhance the nutraceutical value of animal food products.
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Affiliation(s)
- Amrish Kumar Tyagi
- Rumen Biotechnology Lab, Animal Nutrition Division, ICAR-National Dairy Research Institute, Karnal, Haryana 132001, India
| | - Sachin Kumar
- Rumen Biotechnology Lab, Animal Nutrition Division, ICAR-National Dairy Research Institute, Karnal, Haryana 132001, India.,Gut Microbial Function, CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Brisbane 4067, Australia
| | - Prasanta Kumar Choudhury
- Rumen Biotechnology Lab, Animal Nutrition Division, ICAR-National Dairy Research Institute, Karnal, Haryana 132001, India.,Dairy Technology Department, Centurion University of Technology and Management, Paralakhemundi-761211, Odisha, India
| | - Bhawna Tyagi
- Rumen Biotechnology Lab, Animal Nutrition Division, ICAR-National Dairy Research Institute, Karnal, Haryana 132001, India
| | - Nitin Tyagi
- Rumen Biotechnology Lab, Animal Nutrition Division, ICAR-National Dairy Research Institute, Karnal, Haryana 132001, India
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Lee JH, Kim B, Hwang CE, Haque MA, Kim SC, Lee CS, Kang SS, Cho KM, Lee DH. Changes in conjugated linoleic acid and isoflavone contents from fermented soymilks using Lactobacillus plantarum P1201 and screening for their digestive enzyme inhibition and antioxidant properties. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.01.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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RETRACTED CHAPTER: Changing Paradigm of Probiotics from Functional Foods to Biotherapeutic Agents. Microb Biotechnol 2018. [DOI: 10.1007/978-981-10-7140-9_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Effect of probiotic co-cultures on physico-chemical and biochemical properties of small ruminants’ fermented milk. Int Dairy J 2017. [DOI: 10.1016/j.idairyj.2017.04.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Dahiya DK, Puniya AK. Optimisation of fermentation variables for conjugated linoleic acid bioconversion byLactobacillus fermentumDDHI27 in modified skim milk. INT J DAIRY TECHNOL 2017. [DOI: 10.1111/1471-0307.12375] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Dinesh K Dahiya
- Dairy Microbiology Division; ICAR-National Dairy Research Institute; Karnal 132001 Haryana India
| | - Anil K Puniya
- Dairy Microbiology Division; ICAR-National Dairy Research Institute; Karnal 132001 Haryana India
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Dahiya DK, Puniya AK. Isolation, molecular characterization and screening of indigenous lactobacilli for their abilities to produce bioactive conjugated linoleic acid (CLA). Journal of Food Science and Technology 2017; 54:792-801. [PMID: 28298694 DOI: 10.1007/s13197-017-2523-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 01/26/2017] [Accepted: 01/31/2017] [Indexed: 10/20/2022]
Abstract
Ingestion of conjugated linoleic acid poised many health benefits; however, amount of CLA one can get through generalized diet in is inadequate in exerting the desired benefits. Therefore, presence of CLA producing lactobacilli in dairy fermented foods has a tremendous potential to increase the CLA content. Therefore, present study was focused to isolate and characterize CLA producing lactobacilli from different dairy products and human faeces. Arguably, 283 lactobacilli were isolated from various sources and tested for CLA production. Fifty-seven CLA producing (≥20 µg/ml) lactobacilli were selected from screening in de Man, Rogosa and Sharpe (MRS) broth and reconstituted with skim milk (SM), supplemented with 0.5 mg/ml of linoleic acid. Positive strains were classified into-L. plantarum (44%), L. gasseri (30%), L. fermentum (21%) and L. salivarius (5%) species. Nineteen most efficient strains (CLA ≥25 µg/ml) were further assessed in SM for CLA production. Total 08 strains produced significantly higher CLA in SM than MRS and also produced cis 9, trans 11, trans 10, cis 12 and trans 9, trans 11 isomers. Overall, L. plantarum HIF15 was reported as the best producer of CLA and other 08 lactobacilli may be utilized for the formulation of CLA-enriched functional foods to support these bacteria to synthesize CLA in the human gut.
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Affiliation(s)
- Dinesh Kumar Dahiya
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, Haryana 132001 India
| | - Anil Kumar Puniya
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, Haryana 132001 India.,College of Dairy Science and Technology, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab 141004 India
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Manzo N, Pizzolongo F, Montefusco I, Aponte M, Blaiotta G, Romano R. The effects of probiotics and prebiotics on the fatty acid profile and conjugated linoleic acid content of fermented cow milk. Int J Food Sci Nutr 2015; 66:254-9. [DOI: 10.3109/09637486.2014.992005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Bioconversion enhancement of conjugated linoleic acid by Lactobacillus plantarum using the culture media manipulation and numerical optimization. Journal of Food Science and Technology 2015; 52:5781-9. [PMID: 26344992 DOI: 10.1007/s13197-014-1699-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 12/03/2014] [Accepted: 12/23/2014] [Indexed: 10/24/2022]
Abstract
The ability of different Lactobacillus strains to produce conjugated linoleic acid (CLA) from linoleic acid was evaluated. Preliminary experiments revealed that L. plantarum among the screened strains had the highest CLA-producing potential (95.25 μg/mL). The cell growth of this bacterium was studied in three media of MRS broth, skim milk and skim milk supplemented with yeast extract and glucose. Results showed that the use of yeast extract and glucose could significantly increase the cell growth and CLA production. Response surface methodology (RSM) was applied to investigate the effects of three independent variables; linoleic acid (LA), yeast extract concentrations and inoculum size on the CLA formation. A second-order polynomial model with high R (2) value (0.981) was developed using multiple linear regression analysis. The optimum conditions to achieve the highest CLA production (240.69 μg/mL) was obtained using 3 mg/mL LA, 4 g/L yeast extract and inoculum size of 4 % v/v. CLA concentration of the optimal sample was analyzed by Gas Chromatography (GC). The cis-9, trans-11 CLA was the major CLA isomer of total CLA detected.
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Wei M, Ding XL, Xue ZL, Zhao SG. Production of conjugated linoleic acid by permeabilized Lactobacillus acidophilus cells. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcatb.2014.07.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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13
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Lactic acid bacteria isolated from fish gut produce conjugated linoleic acid without the addition of exogenous substrate. Process Biochem 2014. [DOI: 10.1016/j.procbio.2014.04.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Ebel B, Lemetais G, Beney L, Cachon R, Sokol H, Langella P, Gervais P. Impact of probiotics on risk factors for cardiovascular diseases. A review. Crit Rev Food Sci Nutr 2014; 54:175-89. [PMID: 24188267 DOI: 10.1080/10408398.2011.579361] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Probiotic microorganisms have historically been used to rebalance disturbed intestinal microbiota and to diminish gastrointestinal disorders, such as diarrhea or inflammatory bowel diseases (e.g., Crohn's disease and ulcerative colitis). Recent studies explore the potential for expanded uses of probiotics on medical disorders that increase the risk of developing cardiovascular diseases and diabetes, such as obesity, hypercholesterolemia, arterial hypertension, and metabolic disturbances such as hyperhomocysteinemia and oxidative stress. This review aims at summarizing the proposed molecular and cellular mechanisms involved in probiotic-host interactions and to identify the nature of the resulting beneficial effects. Specific probiotic strains can act by modulating immune response, by producing particular molecules or releasing biopeptides, and by modulating nervous system activity. To date, the majority of studies have been conducted in animal models. New investigations on the related mechanisms in humans need to be carried out to better enable targeted and effective use of the broad variety of probiotic strains.
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Affiliation(s)
- Bruno Ebel
- a Unité Procédés Alimentaires et Microbiologiques, UMR A 02.102, AgroSup Dijon/Université de Bourgogne , 1 esplanade Erasme , Dijon , France
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Khaskheli AA, Talpur FN, Demir AS, Cebeci A, Jawaid S. A highly selective whole cell biocatalysis method for the production of two major bioactive conjugated linoleic acid isomers. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2013. [DOI: 10.1016/j.bcab.2013.06.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Hathout AS, Mohamed SR, El-Nekeety AA, Hassan NS, Aly SE, Abdel-Wahhab MA. Ability of Lactobacillus casei and Lactobacillus reuteri to protect against oxidative stress in rats fed aflatoxins-contaminated diet. Toxicon 2011; 58:179-86. [DOI: 10.1016/j.toxicon.2011.05.015] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2011] [Revised: 05/19/2011] [Accepted: 05/23/2011] [Indexed: 10/18/2022]
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Farmani J, Safari M, Roohvand F, Razavi SH, Aghasadeghi MR, Noorbazargan H. Conjugated linoleic acid-producing enzymes: A bioinformatics study. EUR J LIPID SCI TECH 2010. [DOI: 10.1002/ejlt.201000360] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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ABD EL-SALAM MOHAMEDH, EL-SHAFEI KAWTHER, SHARAF OSAMAM, EFFAT BAHERA, ASEM FAIZAM, EL-AASAR MOSTAFA. Screening of some potentially probiotic lactic acid bacteria for their ability to synthesis conjugated linoleic acid. INT J DAIRY TECHNOL 2010. [DOI: 10.1111/j.1471-0307.2009.00541.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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19
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Bauer P, Horlacher P, Claus P. Direct Isomerization of Linoleic Acid to Conjugated Linoleic Acids (CLA) using Gold Catalysts. Chem Eng Technol 2009. [DOI: 10.1002/ceat.200900384] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Florence ACR, da Silva RC, do Espírito Santo AP, Gioielli LA, Tamime AY, de Oliveira MN. Increased CLA content in organic milk fermented by bifidobacteria or yoghurt cultures. ACTA ACUST UNITED AC 2009. [DOI: 10.1051/dst/2009030] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Li Y, Diao Q, Meng Q. The effect of steam-flaked and extruded full-fat soybeans on the concentration of conjugated linoleic acid in the milk fat of dairy cows. Arch Anim Nutr 2009. [DOI: 10.1080/17450390902859721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Oliveira RPS, Florence ACR, Silva RC, Perego P, Converti A, Gioielli LA, Oliveira MN. Effect of different prebiotics on the fermentation kinetics, probiotic survival and fatty acids profiles in nonfat symbiotic fermented milk. Int J Food Microbiol 2008; 128:467-72. [PMID: 19000641 DOI: 10.1016/j.ijfoodmicro.2008.10.012] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2008] [Revised: 10/03/2008] [Accepted: 10/06/2008] [Indexed: 11/19/2022]
Abstract
The simultaneous effects of different binary co-cultures of Lactobacillus acidophilus, Lactobacillus bulgaricus, Lactobacillus rhamnosus and Bifidobacterium lactis with Streptococcus thermophilus and of different prebiotics on the production of fermented milk were investigated in this paper. In particular, we determined and compared the kinetics of acidification of milk either as such or supplemented with 4% (w/w) maltodextrin, oligofructose and polydextrose, as well as the probiotic survival, chemical composition (pH, lactose, lactic acid and protein contents), fatty acids profile and conjugate linoleic acid (CLA) content of fermented milk after storage at 4 degrees C for 24 h. Fermented milk quality was strongly influenced both by the co-culture composition and the selected prebiotic. Depending on the co-culture, prebiotic addition to milk influenced to different extent kinetic acidification parameters. All probiotic counts were stimulated by oligofructose and polydextrose, and among these B. lactis always exhibited the highest counts in all supplemented milk samples. Polydextrose addition led to the highest post-acidification. Although the contents of the main fatty acids were only barely influenced, the highest amounts of conjugated linoleic acid (38% higher than in the control) were found in milk fermented by S. thermophilus-L. acidophilus co-culture and supplemented with maltodextrin.
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Affiliation(s)
- Ricardo P S Oliveira
- Department of Biochemical and Pharmaceutical Technology, University of São Paulo, 05508-900, São Paulo, Brazil
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Adamczak M, Bornscheuer UT, Bednarski W. Properties and biotechnological methods to produce lipids containing conjugated linoleic acid. EUR J LIPID SCI TECH 2008. [DOI: 10.1002/ejlt.200800020] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Occurrence of conjugated linoleic acid in probiotic yoghurts supplemented with fructooligosaccharide. Int Dairy J 2007. [DOI: 10.1016/j.idairyj.2007.02.005] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Van Nieuwenhove CP, Oliszewski R, González SN, Pérez Chaia AB. Conjugated linoleic acid conversion by dairy bacteria cultured in MRS broth and buffalo milk. Lett Appl Microbiol 2007; 44:467-74. [PMID: 17451511 DOI: 10.1111/j.1472-765x.2007.02135.x] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
AIMS To evaluate strains of Lactobacilli, Bifidobacteria and Streptococci for their ability to produce conjugated linoleic acid (CLA) from free linoleic acid (LA). METHODS AND RESULTS Eight dairy bacteria tolerant to LA were grown in MRS broth containing LA (200 microg ml(-1)) and CLA was assessed. Seven bacteria were able to form CLA after 24 h of incubation, varying percentage conversion between 17% and 36%. Lactobacillus casei, Lactobacillus rhamnosus, Bifidobacterium bifidum and Streptococcus thermophilus showed the highest LA conversion and were inoculated into buffalo milk supplemented with different concentration of LA. The production of CLA at 200 microg ml(-1) of LA was two- or threefold in milk than MRS broth. All evaluated strains were able to produce CLA from high LA levels (1000 microg ml(-1)). CONCLUSIONS The most tolerant strain to LA was Lact. casei. Lacttobacillus rhamnosus produced the maximum level of CLA at high LA concentrations (800 microg ml(-1)). The selected bacteria may be considered as adjunct cultures to be included on dairy fermented products manufacture. Low concentration of LA must be added to the medium to enhance CLA formation. SIGNIFICANCE AND IMPACT OF THE STUDY The production of CLA by strains using milks from regional farms as medium offer a possible mechanism to enhance this beneficial compound in dairy products and those the possibility to develop functional foods.
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Affiliation(s)
- C P Van Nieuwenhove
- Centro de Referencia para Lactobacilos (CERELA-CONICET), Tucumán, Argentina and Universidad Nacional de Tucumán, Tucumán, Argentina
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Bisig W, Eberhard P, Collomb M, Rehberger B. Influence of processing on the fatty acid composition and the content of conjugated linoleic acid in organic and conventional dairy products - a review. ACTA ACUST UNITED AC 2007. [DOI: 10.1051/lait:2007001] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Li Y, Meng Q. Effect of different types of fibre supplemented with sunflower oil on ruminal fermentation and production of conjugated linoleic acidsin vitro. Arch Anim Nutr 2006; 60:402-11. [PMID: 17036749 DOI: 10.1080/17450390600884401] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
An in vitro study was conducted to determine the effect of different types of fibre supplemented with sunflower oil on ruminal fermentation and formation of conjugated linoleic acids (CLA) by mixed ruminal microorganisms. Cell wall components extracted from wheat straw (representing lignified fibre), soybean hulls (representing easily digestible fibre), and purified cellulose were used as substrates. Sunflower oil was supplemented at the same level for all three types of fibre. After 24 h of incubation, ruminal fermentation parameters (including 24 h gas production, pH value, concentration of ammonia nitrogen and volatile fatty acids) and the concentration of long chain fatty acids in the culture fluid were determined. Results showed that the type of fibre influenced ruminal fermentation traits and the biohydrogenation of unsaturated C18 fatty acids in vitro. Composition of LCFA and profile of CLA were altered by the fibre type. Compared to the digestible fibre and purified cellulose, lignified fibre significantly increased the production of cis-9, trans-11 CLA and total CLA (sum of cis-9, trans-11 CLA, trans-10, cis-12 CLA, trans-9, trans-11 CLA, and cis-9, cis-11 CLA) by ruminal microorganisms. It was concluded that ruminal fermentation and production of CLA can be affected by the type of dietary fibre.
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Affiliation(s)
- Yanling Li
- State Key Laboratory of Animal Nutrition, College of Animal Sciences & Technology, China Agricultural University, Beijing
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Lin T. Conjugated linoleic acid production by cells and enzyme extract of Lactobacillus delbrueckii ssp. bulgaricus with additions of different fatty acids. Food Chem 2006. [DOI: 10.1016/j.foodchem.2004.11.032] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Kreich M, Claus P. Direkte Umsetzung von Linolsäure an Silber-Katalysatoren in Gegenwart von H2: ein ungewöhnlicher Weg zu konjugierten Linolsäuren. Angew Chem Int Ed Engl 2005. [DOI: 10.1002/ange.200501852] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Kreich M, Claus P. Direct Conversion of Linoleic Acid over Silver Catalysts in the Presence of H2: An Unusual Way towards Conjugated Linoleic Acids. Angew Chem Int Ed Engl 2005; 44:7800-4. [PMID: 16315163 DOI: 10.1002/anie.200501852] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Markus Kreich
- Ernst-Berl-Institut/Technical Chemistry II, Technical University of Darmstadt, Germany
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Villeneuve P, Lago R, Barouh N, Barea B, Piombo G, Dupré JY, Le Guillou A, Pina M. Production of conjugated linoleic acid isomers by dehydration and isomerization of castor bean oil. J AM OIL CHEM SOC 2005. [DOI: 10.1007/s11746-005-1065-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Pierre Villeneuve
- ; Unité Mixte de Recherche Ingénierie des Agropolyméres et Technologies Emergentes, Laboratoire de Lipotechnie; CIRAD; TA 40/16, rue Jean François Breton 34398 Montpellier Cedex 5 France
| | - Regina Lago
- ; Unité Mixte de Recherche Ingénierie des Agropolyméres et Technologies Emergentes, Laboratoire de Lipotechnie; CIRAD; TA 40/16, rue Jean François Breton 34398 Montpellier Cedex 5 France
- Embrapa Labex; 34394 Montpellier Cedex 5 France
| | - Nathalie Barouh
- ; Unité Mixte de Recherche Ingénierie des Agropolyméres et Technologies Emergentes, Laboratoire de Lipotechnie; CIRAD; TA 40/16, rue Jean François Breton 34398 Montpellier Cedex 5 France
| | - Bruno Barea
- ; Unité Mixte de Recherche Ingénierie des Agropolyméres et Technologies Emergentes, Laboratoire de Lipotechnie; CIRAD; TA 40/16, rue Jean François Breton 34398 Montpellier Cedex 5 France
| | - Georges Piombo
- ; Unité Mixte de Recherche Ingénierie des Agropolyméres et Technologies Emergentes, Laboratoire de Lipotechnie; CIRAD; TA 40/16, rue Jean François Breton 34398 Montpellier Cedex 5 France
| | | | | | - Michel Pina
- ; Unité Mixte de Recherche Ingénierie des Agropolyméres et Technologies Emergentes, Laboratoire de Lipotechnie; CIRAD; TA 40/16, rue Jean François Breton 34398 Montpellier Cedex 5 France
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Sieber R, Collomb M, Aeschlimann A, Jelen P, Eyer H. Impact of microbial cultures on conjugated linoleic acid in dairy products—a review. Int Dairy J 2004. [DOI: 10.1016/s0958-6946(03)00151-1] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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