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Matrawy AA, Khalil AI, Marey HS, Embaby AM. Use of Wheat Straw for Value-Added Product Xylanase by Penicillium chrysogenum Strain A3 DSM105774. J Fungi (Basel) 2021; 7:jof7090696. [PMID: 34575734 PMCID: PMC8472069 DOI: 10.3390/jof7090696] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/19/2021] [Accepted: 08/20/2021] [Indexed: 11/16/2022] Open
Abstract
The present work highlights the valorization of the bulky recalcitrant lignocellulose byproduct wheat straw (WS) for the enhanced production of value-added xylanase by the locally sourced novel Penicillium chrysogenum strain A3 DSM105774 for the first time. The optimized production of xylanase by submerged state of fermentation of WS was achieved using a three-step statistical and sequential approach: one factor at a time (OFAT), Plackett–Burman design (PBD), and Box Behnken design (BBD). Incubation temperature (30 °C), WS, and ammonium sulphate were the key determinants prompting xylanase production; inferred from OFAT. The WS concentration (%(w/v)), yeast extract concentration (%(w/v)), and initial pH of the production medium imposed significant effects (p ≤ 0.05) on the produced xylanase, realized from PBD. The predicted levels of WS concentration, initial pH of the production medium, and yeast extract concentration provoking the ultimate xylanase levels (53.7 U/mL) with an 8.95-fold enhancement, localized by the estimated ridge of the steepest ascent of the ridge analysis path, were 3.8% (w/v), 5.1, and 0.098% (w/v), respectively; 94.7% lab validation. The current data underpin the up-scaling of xylanase production using this eco-friendly, cheap, and robust methodology for the valorization of WS into the value-added product xylanase.
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Affiliation(s)
- Amira A. Matrawy
- Environmental Studies Department, Institute of Graduate Studies and Research, Alexandria University, Alexandria 21526, Egypt; (A.A.M.); (A.I.K.); (H.S.M.)
| | - Ahmed I. Khalil
- Environmental Studies Department, Institute of Graduate Studies and Research, Alexandria University, Alexandria 21526, Egypt; (A.A.M.); (A.I.K.); (H.S.M.)
| | - Heba S. Marey
- Environmental Studies Department, Institute of Graduate Studies and Research, Alexandria University, Alexandria 21526, Egypt; (A.A.M.); (A.I.K.); (H.S.M.)
| | - Amira M. Embaby
- Biotechnology Department, Institute of Graduate Studies and Research, Alexandria University, Alexandria 21526, Egypt
- Correspondence:
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Tufail T, Saeed F, Afzaal M, Ain HBU, Gilani SA, Hussain M, Anjum FM. Wheat straw: A natural remedy against different maladies. Food Sci Nutr 2021; 9:2335-2344. [PMID: 33841849 PMCID: PMC8020915 DOI: 10.1002/fsn3.2030] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 11/13/2022] Open
Abstract
In millennia, much attention has been paid toward agro-industrial waste which consists of lignin and cellulosic biomass. In this perspective, biomass waste which consists of lignocellulosic mass is an inexpensive, renewable, abundant that provides a unique natural resource for large-scale and cost-effective bioenergy collection. In this current scenario, efforts are directed to briefly review the agro-industrial lignocellulosic biomass as a broad spectrum of numerous functional ingredients, its utilization, and respective health benefits with special to wheat straw. Wheat straw is lignocellulosic mass owing to the presence of cellulose, hemicellulose, and lignin. Its microbial culture is the most important and well adjusted, for a variety of applications in the fermentation substrate, feed, food, medicine, industry, and agriculture in order to increase soil fertility. In industrial fermentation, wheat straw can be used as substrates for the production of a wide range of hydrolytic enzymes, drugs, metabolites, and other biofuels as a low-cost substrate or a natural source. Conclusively, wheat straw is the best source to produce bioethanol, biogas, and biohydrogen in biorefineries because it is a renewable, widely distributed, and easily available with very low cost, and its consumption is protected and environment friendly. Wheat straw is a moiety which has health benefits including anti-inflammatory, antimicrobial, anti-artherogenic, anti-allergenic, antioxidant, antithrombotic, etc.
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Affiliation(s)
- Tabussam Tufail
- Faculty of allied health sciencesUniversity Institute of Diet and Nutritional sciencesThe University of LahoreLahorePakistan
| | - Farhan Saeed
- Department of Food SciencesGovernment College University FaisalabadFaisalabadPakistan
| | - Muhammad Afzaal
- Department of Food SciencesGovernment College University FaisalabadFaisalabadPakistan
| | - Huma Bader Ul Ain
- Riphah College of Rehabilitation & Allied Health SciencesRiphah International University FaisalabadFaisalabadPakistan
| | - Syed Amir Gilani
- Faculty of allied health sciencesUniversity Institute of Diet and Nutritional sciencesThe University of LahoreLahorePakistan
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3
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Abstract
Wheat-based foods have been staple foods since about 10,000 years and constitute a major source of energy, dietary fiber, and micronutrients for the world population. The role of wheat in our diet, however, has recently been scrutinized by pseudoscientific books and media reports promoting the overall impression that wheat consumption makes people sick, stupid, fat, and addicted. Consequently, numerous consumers in Western countries have started to question their dietary habits related to wheat consumption and voluntarily decided to adopt a wheat-free diet without a medical diagnosis of any wheat-related disorder (WRD), such as celiac disease, wheat allergy, or non-celiac gluten sensitivity. The aim of this review is to achieve an objective judgment of the positive aspects of wheat consumption as well as adverse effects for individuals suffering from WRDs. The first part presents wheat constituents and their positive nutritional value, in particular, the consumption of products from whole-grain flours. The second part is focused on WRDs that affect predisposed individuals and can be treated with a gluten-free or -reduced diet. Based on all available scientific knowledge, wheat consumption is safe and healthy for the vast majority of people. There is no scientific evidence to support that the general population would benefit from a wheat-free diet.
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Affiliation(s)
| | | | - Katharina A. Scherf
- Department of Bioactive and Functional Food Chemistry, Institute of Applied Biosciences, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
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Fu J, Soroka DN, Zhu Y, Sang S. Induction of Apoptosis and Cell-Cycle Arrest in Human Colon-Cancer Cells by Whole-Grain Alkylresorcinols via Activation of the p53 Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:11935-11942. [PMID: 30354111 DOI: 10.1021/acs.jafc.8b04442] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Colon cancer, one of the leading causes of cancer-associated deaths, is the target of choice for nutrition-based-prevention approaches because of the direct and early contact between the active compounds and the cancerous tissues. We previously reported alkylresorcinols (ARs) as the major active components in wheat bran against human colon cancer. Here, we further investigate the anticancer mechanisms of action of ARs. Our mechanistic studies indicated that AR C15 and AR C17 exert their anticancer activities in colon-cancer cells by inducing apoptosis through PUMA upregulation and mitochondrial-pathway activation, inducing cell-cycle arrest through p21 upregulation, and inhibiting proteasome activity and Mdm2 expression. This cascade of distinct mechanisms was linked to the consequent activation and accumulation of p53. The results of treatment with p53 inhibitor further confirmed that the p53 pathway might play a very important role in AR-induced apoptosis in colon-cancer cells. Altogether these results show that AR C15 and AR C17 can specifically activate the mitochondrial pathway of apoptosis and cause cell-cycle arrest and that inhibition of p53 greatly reduces the activation of this pathway.
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Affiliation(s)
- Junsheng Fu
- College of Life Sciences , Fujian Agriculture and Forestry University , Number 15 Shangxiadian Road , Fuzhou City , Fujian Province 350002 , PR China
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies , North Carolina Agricultural and Technical State University , North Carolina Research Campus, 500 Laureate Way , Kannapolis , North Carolina 28081 , United States
| | - Dominique N Soroka
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies , North Carolina Agricultural and Technical State University , North Carolina Research Campus, 500 Laureate Way , Kannapolis , North Carolina 28081 , United States
| | - Yingdong Zhu
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies , North Carolina Agricultural and Technical State University , North Carolina Research Campus, 500 Laureate Way , Kannapolis , North Carolina 28081 , United States
| | - Shengmin Sang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies , North Carolina Agricultural and Technical State University , North Carolina Research Campus, 500 Laureate Way , Kannapolis , North Carolina 28081 , United States
- Lineberger Comprehensive Cancer Center , The University of North Carolina at Chapel Hill , 450 West Drive, CB# 7295 , Chapel Hill , North Carolina 27599 , United States
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Călinoiu LF, Vodnar DC. Whole Grains and Phenolic Acids: A Review on Bioactivity, Functionality, Health Benefits and Bioavailability. Nutrients 2018; 10:E1615. [PMID: 30388881 PMCID: PMC6265897 DOI: 10.3390/nu10111615] [Citation(s) in RCA: 228] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 10/16/2018] [Accepted: 10/24/2018] [Indexed: 12/14/2022] Open
Abstract
Cereal grains represent one of the major sources of human food and nowadays, their production has increased to fulfill the needs of the world's population. Among whole grains, wheat is the most popular and contributes significantly to the human diet. Whole grains possess great nutritional and bioactive properties due to their fractions, bran and germ, that comprise unique health-promoting bioactive components. The evidence of health benefits in human intervention studies, as well as a World Health Organization report for 2012⁻2016, supports the dietary consumption of whole grains and whole-grain foods. The inverse correlation between whole grain consumption and the reduced risk of chronic diseases and metabolic syndromes was underlined by several epidemiological studies. This article focuses on the bioactive components of whole grains and their fractions, namely phenolic acids, starting from their chemical structure, bioactivity and bioavailability. According to the conclusive evaluation of the human intervention studies conducted using cereal bran and whole grains intake, the assumption that the bioactive compounds determine health outcomes is illustrated. In the last part of the work, the functional potential and the health claims related to whole grains and bran intake are discussed, as well as new technologies and strategies to enhance their health potential by an increased bioavailability.
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Affiliation(s)
- Lavinia Florina Călinoiu
- Faculty of Food Science and Technology, Institute of Life Sciences, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăştur 3-5, 400372 Cluj-Napoca, Romania.
| | - Dan Cristian Vodnar
- Faculty of Food Science and Technology, Institute of Life Sciences, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăştur 3-5, 400372 Cluj-Napoca, Romania.
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6
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Zhu Y, Sang S. Phytochemicals in whole grain wheat and their health-promoting effects. Mol Nutr Food Res 2017; 61. [PMID: 28155258 DOI: 10.1002/mnfr.201600852] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Revised: 01/16/2017] [Accepted: 01/25/2017] [Indexed: 12/22/2022]
Abstract
Accumulated evidence in epidemiological studies has consistently shown that consumption of whole grains (WGs) is inversely associated with risk of major chronic diseases such as certain types of cancer, type 2 diabetes, and cardiovascular diseases. Dietary fiber (DF) has been reported to be responsible for the health effects of WG consumption. Evidence from in vitro and in vivo studies is emerging that, in addition to DF and minerals, the unique phytochemicals in WGs may in part contribute to these health-promoting effects. WGs are rich sources of various phytochemicals. However, phytochemical contents and profiles in WG wheat are not systematically summarized yet, and the rapid rate of discovery of wheat phytochemicals necessitates an update on the current state of this field. Furthermore, the biological roles of phytochemicals in protective effects of WGs are also relatively underestimated compared to DFs. This manuscript summarized current research literature regarding phytochemicals that have been identified and characterized from wheat grains and wheat bran, and their corresponding contributions to the major health benefits of WG wheat consumption.
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Affiliation(s)
- Yingdong Zhu
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, Kannapolis, NC, USA
| | - Shengmin Sang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, Kannapolis, NC, USA
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7
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Laddomada B, Caretto S, Mita G. Wheat Bran Phenolic Acids: Bioavailability and Stability in Whole Wheat-Based Foods. Molecules 2015; 20:15666-85. [PMID: 26343624 PMCID: PMC6332213 DOI: 10.3390/molecules200915666] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 08/20/2015] [Accepted: 08/21/2015] [Indexed: 11/18/2022] Open
Abstract
Wheat bran is generally considered a byproduct of the flour milling industry, but it is a great source of fibers, minerals, and antioxidants that are important for human health. Phenolic acids are a specific class of wheat bran components that may act as antioxidants to prevent heart disease and to lower the incidence of colon cancer. Moreover, phenolic acids have anti-inflammatory properties that are potentially significant for the promotion of gastrointestinal health. Evidence on the beneficial effects of phenolic acids as well as of other wheat bran components is encouraging the use of wheat bran as an ingredient of functional foods. After an overview of the chemistry, function, and bioavailability of wheat phenolic acids, the discussion will focus on how technologies can allow the formulation of new, functional whole wheat products with enhanced health-promoting value and safety without renouncing the good-tasting standards that are required by consumers. Finally, this review summarizes the latest studies about the stability of phenolic acids in wheat foods fortified by the addition of wheat bran, pearled fractions, or wheat bran extracts.
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Affiliation(s)
- Barbara Laddomada
- Istituto di Scienze delle Produzioni Alimentari, CNR, Via Prov.le Monteroni, 73100 Lecce, Italy.
| | - Sofia Caretto
- Istituto di Scienze delle Produzioni Alimentari, CNR, Via Prov.le Monteroni, 73100 Lecce, Italy.
| | - Giovanni Mita
- Istituto di Scienze delle Produzioni Alimentari, CNR, Via Prov.le Monteroni, 73100 Lecce, Italy.
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8
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Lamacchia C, Camarca A, Picascia S, Di Luccia A, Gianfrani C. Cereal-based gluten-free food: how to reconcile nutritional and technological properties of wheat proteins with safety for celiac disease patients. Nutrients 2014; 6:575-90. [PMID: 24481131 PMCID: PMC3942718 DOI: 10.3390/nu6020575] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Revised: 01/17/2014] [Accepted: 01/17/2014] [Indexed: 11/16/2022] Open
Abstract
The gluten-free diet is, to date, the only efficacious treatment for patients with Celiac Disease. In recent years, the impressive rise of Celiac Disease incidence, dramatically prompted changes in the dietary habit of an increasingly large population, with a rise in demand of gluten-free products. The formulation of gluten-free bakery products presents a formidable challenge to cereal technologists. As wheat gluten contributes to the formation of a strong protein network, that confers visco-elasticity to the dough and allows the wheat flour to be processed into a wide range of products, the preparation of cereal-based gluten-free products is a somehow difficult process. This review focuses on nutritional and technological quality of products made with gluten-free cereals available on the market. The possibility of using flour from naturally low toxic ancient wheat species or detoxified wheat for the diet of celiacs is also discussed.
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Affiliation(s)
- Carmela Lamacchia
- Department of Food Science, University of Foggia, Via Napoli 25, 71100 - Foggia, Italy.
| | - Alessandra Camarca
- Institute of Food Sciences-CNR, Carmen Gianfrani, ISA-CNR, Via Roma 64, 83100 - Avellino, Italy.
| | - Stefania Picascia
- Institute of Food Sciences-CNR, Carmen Gianfrani, ISA-CNR, Via Roma 64, 83100 - Avellino, Italy.
| | - Aldo Di Luccia
- Department of Food Science, University of Foggia, Via Napoli 25, 71100 - Foggia, Italy.
| | - Carmen Gianfrani
- Institute of Food Sciences-CNR, Carmen Gianfrani, ISA-CNR, Via Roma 64, 83100 - Avellino, Italy.
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9
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Luyen BTT, Tai BH, Thao NP, Cha JY, Lee YM, Kim YH. A New Phenolic Component from Triticum aestivum
Sprouts and its Effects on LPS-Stimulated Production of Nitric oxide and TNF-α in RAW 264.7 Cells. Phytother Res 2013; 28:1064-70. [DOI: 10.1002/ptr.5097] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Bui Thi Thuy Luyen
- College of Pharmacy; Chungnam National University; Daejeon 305-764 Republic of Korea
| | - Bui Huu Tai
- College of Pharmacy; Chungnam National University; Daejeon 305-764 Republic of Korea
- Institute of Marine Biochemistry; Vietnam Academy of Science and Technology (VAST); 18 Hoang Quoc Viet Caugiay Hanoi Vietnam
| | - Nguyen Phuong Thao
- College of Pharmacy; Chungnam National University; Daejeon 305-764 Republic of Korea
- Institute of Marine Biochemistry; Vietnam Academy of Science and Technology (VAST); 18 Hoang Quoc Viet Caugiay Hanoi Vietnam
| | - Ji Yun Cha
- Department of Oriental Pharmacy, College of Pharmacy; Wonkwang University and Wonkwang Oriental Medicines Research Institute; Iksan Jonbuk 570-749 Republic of Korea
| | - Young Mi Lee
- Department of Oriental Pharmacy, College of Pharmacy; Wonkwang University and Wonkwang Oriental Medicines Research Institute; Iksan Jonbuk 570-749 Republic of Korea
| | - Young Ho Kim
- College of Pharmacy; Chungnam National University; Daejeon 305-764 Republic of Korea
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10
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Liu L, Winter KM, Stevenson L, Morris C, Leach DN. Wheat bran lipophilic compounds with in vitro anticancer effects. Food Chem 2012. [DOI: 10.1016/j.foodchem.2011.07.023] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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11
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5-Alk(en)ylresorcinols as the major active components in wheat bran inhibit human colon cancer cell growth. Bioorg Med Chem 2011; 19:3973-82. [DOI: 10.1016/j.bmc.2011.05.025] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Revised: 05/12/2011] [Accepted: 05/17/2011] [Indexed: 11/22/2022]
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12
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Verma B, Hucl P, Chibbar R. Phenolic acid composition and antioxidant capacity of acid and alkali hydrolysed wheat bran fractions. Food Chem 2009. [DOI: 10.1016/j.foodchem.2009.03.060] [Citation(s) in RCA: 148] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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13
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Braune A, Bunzel M, Yonekura R, Blaut M. Conversion of dehydrodiferulic acids by human intestinal microbiota. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2009; 57:3356-3362. [PMID: 19275157 DOI: 10.1021/jf900159h] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Plant cell wall associated dehydrodiferulic acids (DFA) are abundant components of cereal insoluble dietary fibers ingested by humans. The ability of human intestinal microbiota to convert DFA was studied in vitro by incubating 8-O-4- and 5-5-coupled DFA with fecal suspensions. 8-O-4-DFA was completely degraded by the intestinal microbiota of the majority of donors, yielding homovanillic acid, 3-(3,4-dihydroxyphenyl)propionic acid, and 3,4-dihydroxyphenylacetic acid as the main metabolites. The transient formation of ferulic acid and presumably 3-(3-hydroxy-4-methoxyphenyl)pyruvic acid suggests an initial cleavage of the ether bond. In contrast to 8-O-4-DFA, the 5-5-coupled DFA was not cleaved into monomers by any of the fecal suspensions. Only the side chains were hydrogenated and the methoxy groups were demethylated. The cleavage of DFA by human intestinal microbiota, which depended on their coupling type, may affect both the bioavailability of DFA and the degradability of DFA-coupled fiber in the gut.
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Affiliation(s)
- Annett Braune
- Department of Gastrointestinal Microbiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany.
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14
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Abstract
Wheat is the dominant crop in temperate countries being used for human food and livestock feed. Its success depends partly on its adaptability and high yield potential but also on the gluten protein fraction which confers the viscoelastic properties that allow dough to be processed into bread, pasta, noodles, and other food products. Wheat also contributes essential amino acids, minerals, and vitamins, and beneficial phytochemicals and dietary fibre components to the human diet, and these are particularly enriched in whole-grain products. However, wheat products are also known or suggested to be responsible for a number of adverse reactions in humans, including intolerances (notably coeliac disease) and allergies (respiratory and food). Current and future concerns include sustaining wheat production and quality with reduced inputs of agrochemicals and developing lines with enhanced quality for specific end-uses, notably for biofuels and human nutrition.
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Affiliation(s)
- P R Shewry
- Department of Plant Sciences, Rothamsted Research, Harpenden, Hertfordshire, UK.
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15
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Li L, Shewry PR, Ward JL. Phenolic acids in wheat varieties in the HEALTHGRAIN Diversity Screen. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2008; 56:9732-9. [PMID: 18921977 DOI: 10.1021/jf801069s] [Citation(s) in RCA: 239] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
The amounts and compositions of free, conjugated, bound, and total phenolic acids were determined in 175 samples of wheat flour grown on a single site in 2005. The highest contents of total phenolic acids were found in flours of winter wheat (1171 microg/g) with average levels of 658 microg/g total phenolics across all of the wheat genotypes. Winter wheats showed a range of >3.5-fold across the concentration range for total phenolic acids. Spelt genotypes displayed the narrowest (1.9-fold) range of total phenolic acid concentration. The concentrations of phenolic acids in the different phenolic acid fractions were in the order bound > conjugated > free, with bound phenolic acids making up around 77% of the total phenolic acid concentration and free phenolic acids constituting between 0.5 and 1%. The results indicate that there is genetic diversity in phenolic acid content and that it should be possible to selectively breed for lines with high contents of phenolic components.
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Affiliation(s)
- Li Li
- Centre for Crop Genetic Improvement, Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, United Kingdom
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16
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Verma B, Hucl P, Chibbar RN. Phenolic Content and Antioxidant Properties of Bran in 51 Wheat Cultivars. Cereal Chem 2008. [DOI: 10.1094/cchem-85-4-0544] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Brij Verma
- Department of Plant Sciences, University of Saskatchewan, 51 Campus Drive, Saskatoon, Saskatchewan, Canada, S7H 5A8
| | - Pierre. Hucl
- Crop Development Centre, University of Saskatchewan, 51 Campus Drive, Saskatoon, Saskatchewan, Canada, S7H 5A8
| | - Ravindra N. Chibbar
- Department of Plant Sciences, University of Saskatchewan, 51 Campus Drive, Saskatoon, Saskatchewan, Canada, S7H 5A8
- Corresponding author. Phone: (306) 966-4969. Fax: (306) 966-5015. E-mail:
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17
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Sang S, Ju J, Lambert JD, Lin Y, Hong J, Bose M, Wang S, Bai N, He K, Reddy BS, Ho CT, Li F, Yang CS. Wheat bran oil and its fractions inhibit human colon cancer cell growth and intestinal tumorigenesis in Apc(min/+) mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2006; 54:9792-7. [PMID: 17177503 DOI: 10.1021/jf0620665] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
This study was designed to investigate the cancer preventive activities of wheat bran (WB) oil. We studied the colon cancer preventive effects of WB oil and its subfractions in the Apc(min/+) mouse model, a recognized mouse model for human colorectal cancer, and used human colon cancer cell lines (HCT-116 and HT-29) to identify possible active fractions in WB oil. Our results showed that the oil fraction of WB was more active than the water fraction against the growth of human colon cancer cell lines and that 2% WB oil significantly inhibited the overall tumorigenesis by 35.7% (p < 0.0001) in the Apc(min/+) mouse model. The WB oil was further fractioned into nonpolar lipids and phytochemicals and the phytochemical fraction was fractionated into phytosterols and phytosterol ferulates, 5-alk(en)ylresorcinols, and unidentified constituents by normal phase silica gel column chromatography. Results on cell culture showed that the phytochemical fraction had a higher inhibitory effect on HCT-116 human colon cancer cells than that of WB oil, whereas the nonpolar lipid fraction had less growth inhibitory effectiveness. However, neither fractions showed a stronger inhibition than WB oil in the Apc(min/+) mouse model. The current results demonstrate, for the first time, the intestinal cancer preventive activity of WB oil. The active ingredients, however, remain to be identified.
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Affiliation(s)
- Shengmin Sang
- Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers University, 164 Frelinghuysen Road, Piscataway, New Jersey 08854-8020, USA
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19
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Corpet DE, Pierre F. How good are rodent models of carcinogenesis in predicting efficacy in humans? A systematic review and meta-analysis of colon chemoprevention in rats, mice and men. Eur J Cancer 2005; 41:1911-22. [PMID: 16084718 DOI: 10.1016/j.ejca.2005.06.006] [Citation(s) in RCA: 150] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2005] [Revised: 06/13/2005] [Accepted: 06/15/2005] [Indexed: 12/17/2022]
Abstract
Tumours in rodent and human colon share many histological and genetic features. To know if rodent models of colon carcinogenesis are good predictors of chemopreventive efficacy in humans, we conducted a meta-analysis of aspirin, beta-carotene, calcium, and wheat bran studies. Controlled intervention studies of adenoma recurrence in human volunteers were compared with chemoprevention studies of carcinogen-induced tumours in rats, and of polyps in Min (Apc(+/-)) mice: 6714 volunteers, 3911 rats and 458 mice were included in the meta-analyses. Difference between models was small since most global relative risks were between 0.76 and 1.00. A closer look showed that carcinogen-induced rat studies matched human trials for aspirin, calcium, carotene, and were compatible for wheat bran. Min mice results were compatible with human results for aspirin, but discordant for calcium and wheat bran (no carotene study). These few results suggest that rodent models roughly predict effect in humans, but the prediction is not accurate for all agents. Based on three cases only, the carcinogen-induced rat model seems better than the Min mouse model. However, rodent studies are useful to screen potential chemopreventive agents, and to study mechanisms of carcinogenesis and chemoprevention.
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Affiliation(s)
- Denis E Corpet
- UMR Xenobiotiques, Institut National Recherche Agronomique, Ecole Nationale Veterinaire Toulouse, BP-87614, 23 Capelles, 31076 Toulouse, France.
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Qu H, Madl RL, Takemoto DJ, Baybutt RC, Wang W. Lignans are involved in the antitumor activity of wheat bran in colon cancer SW480 cells. J Nutr 2005; 135:598-602. [PMID: 15735100 DOI: 10.1093/jn/135.3.598] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Wheat bran was shown to provide protection against colorectal cancer in human intervention and animal studies. Our recent study showed, however, that antitumor activities of wheat bran from various wheat cultivars differed significantly even when wheat fiber was equal in diets. We hypothesized that phytochemical lignans in wheat bran may account for the differences among wheat cultivars in cancer prevention. The concentration of a major lignan, secoisolariciresinol diglycoside, was determined by HPLC in 4 selected wheat cultivars (i.e., Madison, Ernie, Betty, and Arapahoe). The lignan concentrations and their antitumor activities, previously determined in APC-Min mice, were correlated (r = 0.73, P < 0.02). The cancer preventive mechanisms of 2 prominent lignan metabolites (enterolactone and enterodiol) were further studied in human colonic cancer SW480 cells. Treatment with enterolactone and enterodiol, alone or in combination, at 0-40 micromol/L resulted in dose- and time-dependent decreases in cell numbers. Although the cytotoxicity as measured by trypan blue staining in adherent cells was not affected, DNA flow cytometric analysis indicated that the treatments induced cell cycle arrest at the S-phase. Western blot analysis for cyclin A, a required protein for S/G2 transition, showed that the cyclin A protein levels decreased after treatment with enterodiol or the combination of enterolactone and enterodiol at 40 micromol/L for 72 h. Apoptosis analysis by the terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling assay showed an increased percentage of apoptotic cells in the floating cells after enterodiol alone or combined treatments. These results suggest for the first time that lignans may contribute, at least in part, to the cancer prevention by wheat bran observed in APC-Min mice. Inhibition of cancer cell growth by lignan metabolites seems to be mediated by cytostatic and apoptotic mechanisms.
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Affiliation(s)
- Hongyan Qu
- Department of Human Nutrition, Kansas State University, Manhattan, KS 66506, USA
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