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Miedes D, Cilla A, Alegría A. Chemopreventive Effect of an In Vitro Digested and Fermented Plant Sterol-Enriched Wholemeal Rye Bread in Colon Cancer Cells. Foods 2023; 13:112. [PMID: 38201138 PMCID: PMC10778687 DOI: 10.3390/foods13010112] [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: 11/10/2023] [Revised: 12/21/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
Diet is crucial for the prevention of colorectal cancer. Whole grains are the source of beneficial compounds for this, such as fiber. The enrichment of wholemeal rye bread with plant sterols (PSs) could increase its beneficial effects. This study aimed to assess the potential antiproliferative effect of this enriched food on colon adenocarcinoma cells (Caco-2) compared with a non-enriched one. After a human oral chewing, simulated semi-dynamic gastrointestinal digestion and colonic fermentation in a simgi® system, fermentation liquids (FLs) obtained were used as treatment for cells. Cytotoxicity assay showed that samples diluted 1/5 (v/v) with DMEM are not toxic for non-tumoral cells, whereas they damage tumoral cells. Samples with PS (FLPS) produced a higher chemopreventive effect (vs. blank) in MTT and apoptosis assays, as well as higher gene expression of TP53 and Casp8. Nevertheless, FL0 (without PS) produced a higher chemopreventive effect in a cell cycle and reduced glutathione and calcium assays, besides producing higher gene expression of Casp3 and lower CCND1. The distinct antiproliferative effect of both FLs is attributed to differences in PSs, short chain fatty acids (lower concentration in FLPS vs. FL0) and antioxidant compounds. These results may support wholemeal rye bread consumption as a way of reducing the risk of colorectal cancer development, although further research would be needed.
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Affiliation(s)
| | - Antonio Cilla
- Nutrition and Food Science Area, Faculty of Pharmacy, University of Valencia, Av. Vicente Andrés Estellés s/n, 46100 Burjassot, Spain; (D.M.); (A.A.)
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Potential Role of ROS in Butyrate- and Dietary Fiber-Mediated Growth Inhibition and Modulation of Cell Cycle-, Apoptosis- and Antioxidant-Relevant Proteins in LT97 Colon Adenoma and HT29 Colon Carcinoma Cells. Cancers (Basel) 2023; 15:cancers15020440. [PMID: 36672389 PMCID: PMC9857069 DOI: 10.3390/cancers15020440] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/28/2022] [Accepted: 01/06/2023] [Indexed: 01/12/2023] Open
Abstract
The aim of the present study was to examine whether reactive oxygen species (ROS) contribute to chemopreventive effects of fermentation supernatants (FS) of different dietary fibers (Synergy1®, oat-, barley-, yeast β-glucan, Curdlan) and butyrate as a fermentation metabolite. LT97 and HT29 cells were treated with butyrate and FS alone or with N-acetyl-cysteine (NAC) and their impact on ROS formation, cell growth, and protein expression (Cyclin D2, p21, PARP, Bid, GPx2) was investigated. Butyrate and FS significantly decreased cell growth. ROS levels were significantly increased, particularly in LT97 cells, while co-treatment with NAC decreased ROS formation and growth inhibitory effects in both cell lines. After treatment with butyrate and FS, Cyclin D2 expression was reduced in LT97 cells and p21 expression was increased in both cell lines. Levels of full-length PARP and Bid were decreased, while levels of cleaved PARP were enhanced. GPx2 expression was significantly reduced by fiber FS in HT29 cells. A notable effect of NAC on butyrate- and FS-modulated protein expression was observed exclusively for PARP and Bid in HT29 cells. From the present results, a contribution of ROS to growth inhibitory and apoptotic effects of butyrate and FS on LT97 and HT29 cells cannot be excluded.
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Use of the β-Glucan-Producing Lactic Acid Bacteria Strains Levilactobacillus brevis and Pediococcus claussenii for Sourdough Fermentation-Chemical Characterization and Chemopreventive Potential of In Situ-Enriched Wheat and Rye Sourdoughs and Breads. Nutrients 2022; 14:nu14071510. [PMID: 35406123 PMCID: PMC9002695 DOI: 10.3390/nu14071510] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 03/31/2022] [Accepted: 04/02/2022] [Indexed: 12/17/2022] Open
Abstract
The aim of the present study was to examine β-glucan production and the potential prebiotic and chemopreventive effects of wheat and rye sourdoughs and breads generated with wild-type and non-β-glucan-forming isogenic mutant strains of Levilactobacillus brevis and Pediococcus claussenii. Sourdough and bread samples were subjected to in vitro digestion and fermentation. Fermentation supernatants (FS) and pellets (FP) were analyzed (pH values, short-chain fatty acids (SCFA), ammonia, bacterial taxa) and the effects of FS on LT97 colon adenoma cell growth, viability, caspase-2 and -3 activity, genotoxic and antigenotoxic effects and on gene and protein expression of p21, cyclin D2, catalase and superoxide dismutase 2 (SOD2) were examined. Concentrations of SCFA were increased and concentrations of ammonia were partly reduced in the FS. The relative abundance of Bifidobacteriaceae was increased in all FPs. Treatment with FS reduced the growth and viability of LT97 cells and significantly increased caspase-2 and -3 activities without exhibiting genotoxic or antigenotoxic effects. The p21 mRNA and protein levels were increased while that of cyclin D2 was reduced. Catalase and SOD2 mRNA and protein expression were marginally induced. The presented results indicate a comparable chemopreventive potential of wheat and rye sourdoughs and breads without an additional effect of the formed β-glucan.
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Schlörmann W, Bockwoldt JA, Mayr MF, Lorkowski S, Dawczynski C, Rohn S, Ehrmann MA, Glei M. Fermentation profile, cholesterol-reducing properties and chemopreventive potential of β-glucans from Levilactobacillus brevis and Pediococcus claussenii - a comparative study with β-glucans from different sources. Food Funct 2021; 12:10615-10631. [PMID: 34585204 DOI: 10.1039/d1fo02175c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The aim of the present study was to investigate whether β-glucans obtained from the lactic acid bacteria (LAB) Levilactobacillus (L.) brevis and Pediococcus (P.) claussenii exhibit similar physiological effects such as cholesterol-binding capacity (CBC) as the structurally different β-glucans from oat, barley, and yeast as well as curdlan. After in vitro fermentation, fermentation supernatants (FSs) and/or -pellets (FPs) were analyzed regarding the concentrations of short-chain fatty acids (SCFAs), ammonia, bile acids, the relative abundance of bacterial taxa and chemopreventive effects (growth inhibition, apoptosis, genotoxicity) in LT97 colon adenoma cells. Compared to other glucans, the highest CBC was determined for oat β-glucan (65.9 ± 8.8 mg g-1, p < 0.05). Concentrations of SCFA were increased in FSs of all β-glucans (up to 2.7-fold). The lowest concentrations of ammonia (down to 0.8 ± 0.3 mmol L-1) and bile acids (2.5-5.2 μg mL-1) were detected in FSs of the β-glucans from oat, barley, yeast, and curdlan. The various β-glucans differentially modulated the relative abundance of bacteria families and reduced the Firmicutes/Bacteroidetes ratio. Treatment of LT97 cells with the FSs led to a significant dose-dependent growth reduction and increase in caspase-3 activity without exhibiting genotoxic effects. Though the different β-glucans show different fermentation profiles as well as cholesterol- and bile acid-reducing properties, they exhibit comparable chemopreventive effects.
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Affiliation(s)
- W Schlörmann
- Friedrich Schiller University Jena, Institute of Nutritional Sciences, Department of Applied Nutritional Toxicology, Dornburger Straße 24, 07743 Jena, Germany. .,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Germany
| | - J A Bockwoldt
- Technical University of Munich, Chair of Technical Microbiology, Gregor-Mendel-Straße 4, 85354 Freising, Germany
| | - M F Mayr
- Friedrich Schiller University Jena, Institute of Nutritional Sciences, Department of Applied Nutritional Toxicology, Dornburger Straße 24, 07743 Jena, Germany.
| | - S Lorkowski
- Friedrich Schiller University Jena, Institute of Nutritional Sciences, Department of Nutritional Biochemistry and Physiology, Dornburger Straße 25, 07743 Jena, Germany.,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Germany
| | - C Dawczynski
- Friedrich Schiller University Jena, Institute of Nutritional Sciences, Junior Research Group Nutritional Concepts, Dornburger Straße 29, 07743 Jena, Germany.,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Germany
| | - S Rohn
- Technische Universität Berlin, Institute of Food Technology and Food Chemistry, Gustav-Meyer-Allee 25, 13355 Berlin, Germany
| | - M A Ehrmann
- Technical University of Munich, Chair of Technical Microbiology, Gregor-Mendel-Straße 4, 85354 Freising, Germany
| | - M Glei
- Friedrich Schiller University Jena, Institute of Nutritional Sciences, Department of Applied Nutritional Toxicology, Dornburger Straße 24, 07743 Jena, Germany. .,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Germany
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Schlörmann W, Atanasov J, Lorkowski S, Dawczynski C, Glei M. Thermal Processing has no Impact on Chemopreventive Effects of Oat and Barley Kernels in LT97 Colon Adenoma Cells. Nutr Cancer 2020; 73:2708-2719. [PMID: 33305613 DOI: 10.1080/01635581.2020.1856892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The unique dietary fiber composition with high contents of β-glucan contributes to the health-promoting properties of oat and barley and may mediate a reduction of colon cancer risk. In the present study, chemopreventive effects of oat and barley (beta®barley) kernels were investigated. In order to address the impact of thermal processing on these effects, kernels were roasted (150-180 °C, approx. 20 min), digested and fermented using an In Vitro human digestion model. Concentrations of short-chain fatty acids (SCFA) and ammonia were determined in fermentation supernatants (FS). Growth inhibition, apoptosis, DNA integrity and gene expression of catalase were analyzed in LT97 colon adenoma cells. Concentrations of SCFA, particularly butyrate, were higher in oat/barley FS (2.2-fold, on average), while ammonia levels were significantly lower (0.7-fold, on average) than in the fermentation control. Treatment of LT97 cells with FS of oat/barley kernels led to a significant time- and dose-dependent growth reduction, a significant increase in caspase-3 activity and enhanced levels of catalase mRNA, without exhibiting genotoxic effects. In general, the results indicate a chemopreventive potential of In Vitro fermented oat and waxy winter barley mediated mainly by growth inhibitory and apoptotic effects, which are preserved after thermal processing.
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Affiliation(s)
- Wiebke Schlörmann
- Department of Nutritional Toxicology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany.,Competence Cluster for Nutrition, Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Germany
| | - Julia Atanasov
- Department of Nutritional Toxicology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany
| | - Stefan Lorkowski
- Competence Cluster for Nutrition, Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Germany.,Department of Nutritional Biochemistry and Physiology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany
| | - Christine Dawczynski
- Competence Cluster for Nutrition, Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Germany.,Junior Research Group Nutritional Concepts, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany
| | - Michael Glei
- Department of Nutritional Toxicology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany.,Competence Cluster for Nutrition, Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Germany
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6
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Tasdemir SS, Sanlier N. An insight into the anticancer effects of fermented foods: A review. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104281] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Impact of processing degree on fermentation profile and chemopreventive effects of oat and waxy barley in LT97 colon adenoma cells. Eur Food Res Technol 2020. [DOI: 10.1007/s00217-020-03645-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
AbstractThe chemopreventive effects of β-glucan-rich cereals such as oat and barley (beta®barley) have been examined previously, but studies comparing fermentation characteristics and chemopreventive effects of oat and barley of different processing stages are rare. Therefore, the present study aims at investigating the fermentation end points (pH values, concentrations of short-chain fatty acids (SCFA) and ammonia) in fermentation supernatants (FS) obtained from differently processed oat and barley samples (kernels, thick and thin flakes). Chemopreventive effects of FS, such as growth inhibition, apoptosis, and induction of cell cycle- and redox-relevant genes (p21, SOD2), were analysed in LT97 colon adenoma cells. After fermentation, pH values were reduced (∆ pH − 1.3, on average) and SCFA concentrations were increased (∆ + 59 mmol/L, on average) with a shift towards butyrate formation in FS obtained from oat and barley samples compared to the fermentation negative control (FS blank). Ammonia was reduced more effectively in FS obtained from barley (∆ − 4.6 mmol/L, on average) than from oat samples (∆ − 1.0 mmol/L, on average). Treatment of LT97 cells with FS resulted in a time- and dose-dependent reduction of cell number, an increase in caspase-3 activity (up to 9.0-fold after 24 h, on average) and an induction of p21 (2.1-fold, on average) and SOD2 (2.3-fold, on average) mRNA expression, while no genotoxic effects were observed. In general, the results indicate no concrete effect of the type of cereal or processing stage on fermentation and chemopreventive effects of oat and barley.
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Glei M, Zetzmann S, Lorkowski S, Dawczynski C, Schlörmann W. Chemopreventive effects of raw and roasted oat flakes after in vitro fermentation with human faecal microbiota. Int J Food Sci Nutr 2020; 72:57-69. [PMID: 32482126 DOI: 10.1080/09637486.2020.1772205] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The aim of the present study was to analyse chemopreventive effects of oat flakes under consideration of processing. Thin and thick flakes were roasted and subjected to an in vitro digestion and fermentation. Fermentation supernatants (FS) were characterised and chemopreventive effects were analysed in LT97 colon adenoma cells. Compared to the fermentation control, pH values were decreased (from pH 6.3 to pH 5.0) and concentrations of SCFA, in particular butyrate, were increased in oat FS (2.6-fold, on average). Ammonia levels were not altered. Oat FS significantly decreased cell growth time- and dose-dependently. Caspase 3 activity was significantly increased (9.7-fold, on average). Oat FS slightly increased the mRNA expression of CAT (2.0-fold), SOD2 (1.7-fold) and GSTP1 (2.8-fold), on average, while GPX1 mRNA (0.3-fold) was decreased. The results indicate a chemopreventive potential of in vitro digested oat flakes regarding colon cancer development mediated mostly by growth inhibition and apoptosis, unaffected by roasting.
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Affiliation(s)
- Michael Glei
- Department of Nutritional Toxicology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany.,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Jena, Germany
| | - Silvana Zetzmann
- Department of Nutritional Toxicology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany
| | - Stefan Lorkowski
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Jena, Germany.,Department of Nutritional Biochemistry and Physiology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany
| | - Christine Dawczynski
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Jena, Germany.,Junior Research Group Nutritional Concepts, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany
| | - Wiebke Schlörmann
- Department of Nutritional Toxicology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany.,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Jena, Germany
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Schlörmann W, Atanasov J, Lorkowski S, Dawczynski C, Glei M. Study on chemopreventive effects of raw and roasted β-glucan-rich waxy winter barley using an in vitro human colon digestion model. Food Funct 2020; 11:2626-2638. [DOI: 10.1039/c9fo03009c] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Fermentation supernatants of barley flakes exhibit chemopreventive effects in LT97 colon adenoma cells without impact of roasting.
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Affiliation(s)
- W. Schlörmann
- Friedrich Schiller University Jena
- Institute of Nutritional Sciences
- Department of Nutritional Toxicology
- 07743 Jena
- Germany
| | - J. Atanasov
- Friedrich Schiller University Jena
- Institute of Nutritional Sciences
- Department of Nutritional Toxicology
- 07743 Jena
- Germany
| | - S. Lorkowski
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD)
- Halle-Jena-Leipzig
- Germany
- Friedrich Schiller University Jena
- Institute of Nutritional Sciences
| | - C. Dawczynski
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD)
- Halle-Jena-Leipzig
- Germany
- Friedrich Schiller University Jena
- Institute of Nutritional Sciences
| | - M. Glei
- Friedrich Schiller University Jena
- Institute of Nutritional Sciences
- Department of Nutritional Toxicology
- 07743 Jena
- Germany
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10
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Chemopreventive Potential of Raw and Roasted Pistachios Regarding Colon Carcinogenesis. Nutrients 2017; 9:nu9121368. [PMID: 29258268 PMCID: PMC5748818 DOI: 10.3390/nu9121368] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 12/05/2017] [Accepted: 12/12/2017] [Indexed: 12/12/2022] Open
Abstract
Pistachios are rich in health-promoting bioactive compounds such as B vitamins, γ-tocopherol, polyphenols and dietary fiber, which could contribute to the reduction of colon cancer risk in terms of chemoprevention (Fischer, S.; Glei, M. Health-Potential of Nuts. Ernaehrungs Umsch. Int. 2013, 60, 206-215.). Since pistachios are often consumed roasted, the present study aims at investigating the influence of different roasting conditions (RC) on potential chemopreventive effects of pistachios in colon adenoma cells such as growth and apoptosis, genotoxic- and anti-genotoxic effects and modulation of gene expression of detoxifying enzymes (CAT, SOD2, GPx1, and GSTP1). Fermentation supernatants (FS) were obtained from raw and roasted (RC1 = 141 °C/25 min, RC2 = 160 °C/15 min and RC3 = 185 °C/21 min) pistachios after in vitro fermentation. FS of pistachios significantly reduced LT97 cell growth in a time- and dose-dependent manner. Compared to the blank control, pistachio FS (2.5%) led to a significant average reduction of H₂O₂-induced DNA damage (1.5-fold). Levels of CAT mRNA were significantly increased (1.3-fold, on average for 5% FS). Pistachio FS (5%) significantly increased the number of early apoptotic cells (up to 2.1-fold) and levels of caspase-3 activities (up to 6.9-fold). The present results confirm a chemopreventive potential of pistachios, which is mediated by growth inhibition, induction of apoptosis and anti-genotoxic effects, as well as induction of CAT. These effects remain mostly unaffected by roasting.
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In vitro–fermented raw and roasted walnuts induce expression of CAT and GSTT2 genes, growth inhibition, and apoptosis in LT97 colon adenoma cells. Nutr Res 2017; 47:72-80. [DOI: 10.1016/j.nutres.2017.09.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 07/18/2017] [Accepted: 09/13/2017] [Indexed: 12/21/2022]
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Schlörmann W, Fischer S, Saupe C, Dinc T, Lorkowski S, Glei M. Influence of roasting on the chemopreventive potential of in vitro fermented almonds in LT97 colon adenoma cells. Int J Food Sci Nutr 2017; 69:52-63. [PMID: 28583046 DOI: 10.1080/09637486.2017.1334140] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The consumption of almonds may contribute to the prevention of colon cancer due to their unique composition of health promoting compounds. Since almonds are often consumed roasted, the impact of different roasting (R) conditions (R1 = 139.2 °C/25 min, R2 = 161.5 °C/20 min and R3 = 170.8 °C/15 min) on chemopreventive effects of in vitro-fermented almonds was analysed in LT97 colon adenoma cells. Fermentation supernatants (FS) of raw and roasted almonds had no genotoxic effects. FS obtained from raw or mildly roasted almonds (R1) significantly increased mRNA levels of CAT (4.6-fold), SOD2 (5.6-fold) and GSTP1 (3.9-fold) but not of GPx1. FS of almonds significantly reduced the growth of LT97 cells in a time- and dose-dependent manner. Treatment with 5% almonds FS increased the number of early apoptotic cells (17.4%, on average) and caspase-3 activity (4.9-fold, on average). The results indicate a chemopreventive potential of in vitro-fermented almonds which is largely independent of the roasting process.
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Affiliation(s)
- Wiebke Schlörmann
- a Department of Nutritional Toxicology , Institute of Nutrition, Friedrich Schiller University Jena , Jena , Germany.,b Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) , Halle-Jena-Leipzig , Germany
| | - Sonja Fischer
- a Department of Nutritional Toxicology , Institute of Nutrition, Friedrich Schiller University Jena , Jena , Germany
| | - Christian Saupe
- a Department of Nutritional Toxicology , Institute of Nutrition, Friedrich Schiller University Jena , Jena , Germany
| | - Tülin Dinc
- a Department of Nutritional Toxicology , Institute of Nutrition, Friedrich Schiller University Jena , Jena , Germany
| | - Stefan Lorkowski
- b Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) , Halle-Jena-Leipzig , Germany.,c Department of Nutritional Biochemistry and Physiology , Friedrich Schiller University Jena, Institute of Nutrition , Jena , Germany
| | - Michael Glei
- a Department of Nutritional Toxicology , Institute of Nutrition, Friedrich Schiller University Jena , Jena , Germany.,b Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) , Halle-Jena-Leipzig , Germany
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