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Ibram AAMM, Taidi YH, Benoit-Constant LLN, Jean-Baptiste NT, Adamou I. Diallel analysis of common bean (Phaseolus vulgaris L.) genotypes for seed dietary fibre, carbohydrate, calcium and phosphorus contents. J Appl Genet 2024; 65:419-428. [PMID: 38355922 PMCID: PMC11310273 DOI: 10.1007/s13353-024-00834-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 01/09/2024] [Accepted: 01/19/2024] [Indexed: 02/16/2024]
Abstract
Genetic information of bean seed traits can be an immense help to the breeder in selection of suitable genotypes and the appropriate breeding strategies. Therefore, the investigation aims to assess the genetic variability and to elucidate the genetic analysis of seed dietary fibre, carbohydrate, seed calcium and phosphorus contents of Phaseolus vulgaris in the high Guinean Savannah zone conditions. 5 × 5 half-diallel crosses of these traits were conducted in randomized complete block design with three replications. Results revealed high differences between five lines beans (p < 0.05), suggesting the sufficient genetic diversity for these traits. High broad sense heritability values were recorded for seed dietary fibre, carbohydrate and seed calcium content, attesting a strong implication of the genetic factors in the control of these traits; thereby, these traits can be improved through regular selection. The ratio GCA/SCA was greater than unity only for seed phosphorus content. It indicates the prevalence of additive gene effect in the involvement of the genetic control for this trait. The combining ability analysis revealed highly significant differences between parental GCA effects and F1 cross SCA effects. The PB, BI, CT and PR lines beans will prove useful in common bean breeding programmes as donor genotypes, in the development of bean genetic resources for betterment improvement of nutritional traits.
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Affiliation(s)
- Aladji Abatchoua Madi Madi Ibram
- Department of Sciences and Technics of Biological Agriculture, Faculty of Science, University of Ngaoundéré, P.O. Box 454, Ngaoundéré, Cameroon.
- Department of Biological Sciences, Faculty of Science, University of Ngaoundéré, P.O. Box 454, Ngaoundéré, Cameroon.
- Genetic and Plant Breeding Unity, Department of Plant Biology, Faculty of Science, University of Yaoundé1, , P.O. Box 812, Yaounde, Cameroon.
| | - Yadji Haman Taidi
- Department of Biological Sciences, Faculty of Science, University of Ngaoundéré, P.O. Box 454, Ngaoundéré, Cameroon
| | - Likeng Li Ngue Benoit-Constant
- Genetic and Plant Breeding Unity, Department of Plant Biology, Faculty of Science, University of Yaoundé1, , P.O. Box 812, Yaounde, Cameroon
| | | | - Ibrahima Adamou
- Department of Biological Sciences, Faculty of Science, University of Ngaoundéré, P.O. Box 454, Ngaoundéré, Cameroon
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Iida M, Tsuda S, Kikuchi M, Samoto M, Adachi N, Nakamura A. Extraction of water-soluble polysaccharides from lupin beans and their function of protein dispersion and stabilization under acidic conditions. Int J Biol Macromol 2024; 278:134664. [PMID: 39134203 DOI: 10.1016/j.ijbiomac.2024.134664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 06/14/2024] [Accepted: 08/09/2024] [Indexed: 08/25/2024]
Abstract
In the current environment whereby new sources of proteins are extracted from plant material, it is also important to study the potential use of the resulting side streams. Although a number of studies have been conducted on various polysaccharides extracted from plant raw material, a polysaccharide fraction extracted from lupin bean is yet to be explored, in spite of the emerging interest in this crop as a source of food ingredients. In this work lupin soluble polysaccharide (LuPS) was obtained with a recovery as high as 46 % by extraction at pH 8, 120 °C, for 90 min. This fraction, named LuPS-8, was composed of a mostly linear pectic polysaccharide with a weight average molecular mass of 6608 kg/mol, and containing 71.0 % galactose, with minor amounts of arabinose (16.0 %), glucuronic acid 4.6 %, and galacturonic acid 4.1 %. When added to an acid milk dispersion, LuPS-8 improved its dispersibility, providing storage stability against sedimentation over a wider pH range than a HM-pectin reference, between 3.6-4.4. This research demonstrated the potential for upcycling of a side stream of lupin protein production, by the creation of value-added novel functional polysaccharide.
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Affiliation(s)
- Minori Iida
- Ibaraki University, College of Agriculture, Chuo 3-21-1, Ami-machi, Inashiki-gun, Ibaraki 300-0393, Japan
| | - Soichiro Tsuda
- Ibaraki University, College of Agriculture, Chuo 3-21-1, Ami-machi, Inashiki-gun, Ibaraki 300-0393, Japan
| | - Mayu Kikuchi
- Ibaraki University, College of Agriculture, Chuo 3-21-1, Ami-machi, Inashiki-gun, Ibaraki 300-0393, Japan
| | - Masahiko Samoto
- Ibaraki University, College of Agriculture, Chuo 3-21-1, Ami-machi, Inashiki-gun, Ibaraki 300-0393, Japan; Fuji Oil Holdings Inc., Tsukuba R&D Center, 4-3 Kinunodai, Tsukubamirai, Ibaraki 300-2497, Japan
| | - Norifumi Adachi
- Fuji Oil Holdings Inc., Tsukuba R&D Center, 4-3 Kinunodai, Tsukubamirai, Ibaraki 300-2497, Japan
| | - Akihiro Nakamura
- Ibaraki University, College of Agriculture, Chuo 3-21-1, Ami-machi, Inashiki-gun, Ibaraki 300-0393, Japan; Fuji Oil Holdings Inc., Tsukuba R&D Center, 4-3 Kinunodai, Tsukubamirai, Ibaraki 300-2497, Japan; United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8 Fuchu, Tokyo 183-8509, Japan.
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3
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Merlo G, Bachtel G, Sugden SG. Gut microbiota, nutrition, and mental health. Front Nutr 2024; 11:1337889. [PMID: 38406183 PMCID: PMC10884323 DOI: 10.3389/fnut.2024.1337889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/24/2024] [Indexed: 02/27/2024] Open
Abstract
The human brain remains one of the greatest challenges for modern medicine, yet it is one of the most integral and sometimes overlooked aspects of medicine. The human brain consists of roughly 100 billion neurons, 100 trillion neuronal connections and consumes about 20-25% of the body's energy. Emerging evidence highlights that insufficient or inadequate nutrition is linked to an increased risk of brain health, mental health, and psychological functioning compromise. A core component of this relationship includes the intricate dynamics of the brain-gut-microbiota (BGM) system, which is a progressively recognized factor in the sphere of mental/brain health. The bidirectional relationship between the brain, gut, and gut microbiota along the BGM system not only affects nutrient absorption and utilization, but also it exerts substantial influence on cognitive processes, mood regulation, neuroplasticity, and other indices of mental/brain health. Neuroplasticity is the brain's capacity for adaptation and neural regeneration in response to stimuli. Understanding neuroplasticity and considering interventions that enhance the remarkable ability of the brain to change through experience constitutes a burgeoning area of research that has substantial potential for improving well-being, resilience, and overall brain health through optimal nutrition and lifestyle interventions. The nexus of lifestyle interventions and both academic and clinical perspectives of nutritional neuroscience emerges as a potent tool to enhance patient outcomes, proactively mitigate mental/brain health challenges, and improve the management and treatment of existing mental/brain health conditions by championing health-promoting dietary patterns, rectifying nutritional deficiencies, and seamlessly integrating nutrition-centered strategies into clinical care.
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Affiliation(s)
- Gia Merlo
- Department of Psychiatry, New York University Grossman School of Medicine and Rory Meyers College of Nursing, New York, NY, United States
| | | | - Steven G. Sugden
- Department of Psychiatry, The University of Utah School of Medicine, Salt Lake City, UT, United States
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Didinger C, Bunning M, Thompson H. A Translational Approach to Increase Pulse Intake and Promote Public Health through Developing an Extension Bean Toolkit. Nutrients 2023; 15:4121. [PMID: 37836405 PMCID: PMC10574132 DOI: 10.3390/nu15194121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 09/18/2023] [Accepted: 09/22/2023] [Indexed: 10/15/2023] Open
Abstract
Practical, affordable solutions need to be implemented to address global challenges confronting human and environmental health. Despite a myriad of benefits for people and the planet, beans and other pulses (e.g., chickpeas, cowpeas, dry peas, lentils) are under-consumed. To better understand consumer concerns and interests, a Food Habits Survey was conducted and the findings were incorporated into the Colorado State University Extension Bean Toolkit. Guided by the Information-Motivation-Behavioral Skills model, the toolkit included informational social media posts, cooking guidance, and an online class. A convenience sample of participants was recruited through Extension and university networks. After class participation, significant gains in knowledge of pulse nutrition, versatility, and cooking were observed, with an average increase of 1.5 points on a 5-point Likert scale (p < 0.001). Moreover, participants (n = 86) perceived a greater importance of motivators (e.g., nutrition, versatility, environmental benefits) and found barriers (e.g., flatulence, long cooking times, unfamiliarity) to be less discouraging. Most participants reported an intention to eat more pulses, and among those who completed the 1-month follow-up survey, pulse intake frequency increased (p = 0.004). Emphasizing motivating factors while simultaneously mitigating barriers to consumption can help reverse insufficient intake and promote healthy behavior change. Leveraging Extension or similar networks is one way to adopt a translational approach to better reach the public with this information.
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Affiliation(s)
- Chelsea Didinger
- Department of Food Science and Human Nutrition, Colorado State University, Fort Collins, CO 80523, USA; (C.D.); (M.B.)
| | - Marisa Bunning
- Department of Food Science and Human Nutrition, Colorado State University, Fort Collins, CO 80523, USA; (C.D.); (M.B.)
| | - Henry Thompson
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO 80523, USA
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Didinger C, Bunning M, Thompson HJ. Bean Cuisine: The Potential of Citizen Science to Help Motivate Changes in Pulse Knowledge and Consumption. Foods 2023; 12:2667. [PMID: 37509759 PMCID: PMC10379374 DOI: 10.3390/foods12142667] [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: 06/09/2023] [Revised: 07/05/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
Pulses, or the dry, edible seeds of non-oilseed legumes (e.g., chickpeas, cowpeas, dry beans, dry peas, and lentils), are uniquely positioned to simultaneously benefit human and environmental well-being, all while being affordable and important to diverse cultural food traditions around the world. Despite the benefits they can provide, pulses are dramatically under-consumed. One key barrier preventing higher intake among consumers is a lack of familiarity with how to prepare and regularly incorporate pulses into meals. To address this barrier and actualize findings from our laboratory, we created the Bean Cuisine, a 2-week cuisine (i.e., meal plan) with 56 pulse-centric recipes corresponding to 14 unique breakfast, lunch, snack, and dinner ideas. Each meal category was largely interchangeable, i.e., the order of the breakfast recipes is not important, and one could be swapped for another if a different order were preferrable to a consumer. Fifty-six citizen scientists were recruited to provide feedback on the Bean Cuisine. Free response feedback related to project participation was very positive, and common themes included changes in pulse consumption and cooking behaviors, increased awareness of pulse variety and versatility, and positive perceptions of citizen science. Overall, participation in the Bean Cuisine citizen science project helped create pulse advocates, empowering participants to advance the well-being of their communities through pulses.
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Affiliation(s)
- Chelsea Didinger
- Department of Food Science and Human Nutrition, Colorado State University, Fort Collins, CO 80523, USA; (C.D.); (M.B.)
| | - Marisa Bunning
- Department of Food Science and Human Nutrition, Colorado State University, Fort Collins, CO 80523, USA; (C.D.); (M.B.)
| | - Henry J. Thompson
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO 80523, USA
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Shah UA, Merlo G. Personal and Planetary Health-The Connection With Dietary Choices. JAMA 2023; 329:1823-1824. [PMID: 37155189 PMCID: PMC10461525 DOI: 10.1001/jama.2023.6118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
This Viewpoint offers strategies to help shift to plant-based diets to reduce climate change and promote individual health by encouraging patients, incorporating the environmental impact of food choices in national dietary guidelines, and adding plant-based nutrition training in medical schools.
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Affiliation(s)
- Urvi A Shah
- Myeloma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Medicine, Weill Cornell Medical College, New York, New York
| | - Gia Merlo
- Rory Meyers College of Nursing, New York University, New York
- Department of Psychiatry, New York University Grossman School of Medicine, New York
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Stribling P, Ibrahim F. Dietary fibre definition revisited - The case of low molecular weight carbohydrates. Clin Nutr ESPEN 2023; 55:340-356. [PMID: 37202067 DOI: 10.1016/j.clnesp.2023.04.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 04/16/2023] [Indexed: 05/20/2023]
Abstract
Low molecular weight (LMW) non-digestible carbohydrates (namely, oligosaccharides and inulin) are accepted as dietary fibre in many countries worldwide. The inclusion of oligosaccharides as dietary fibre was made optional within the Codex Alimentarius definition in 2009, which has caused great controversy. Inulin is accepted as dietary fibre by default, due to being a non-digestible carbohydrate polymer. Oligosaccharides and inulin occur naturally in numerous foods and are frequently incorporated into commonly consumed food products for a variety of purposes, such as to increase dietary fibre content. LMW non-digestible carbohydrates, due to their rapid fermentation in the proximal colon, may cause deleterious effects in individuals with functional bowel disorders (FBDs) and, as such, are excluded on the low FODMAP (fermentable oligosaccharides, disaccharides, and polyols) diet and similar protocols. Their addition to food products as dietary fibre allows the use of associated nutrition/health claims, causing a paradox for those with FBDs, which is further complicated by lack of clarity on food labelling. Therefore, this review aimed to discuss whether the inclusion of LMW non-digestible carbohydrates within the Codex definition of dietary fibre is warranted. This review provides justification for the exclusion of oligosaccharides and inulin from the Codex definition of dietary fibre. LMW non-digestible carbohydrates could, instead, be placed in their own category as prebiotics, recognised for their specific functional properties, or considered food additives, whereby they are not promoted for being beneficial for health. This would preserve the concept of dietary fibre being a universally beneficial dietary component for all individuals.
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Affiliation(s)
- Philippa Stribling
- UCL Division of Medicine, 5 University Street, London, WC1E 6JF, United Kingdom.
| | - Fandi Ibrahim
- University of Suffolk, Life Sciences, Ipswich, IP4 1QJ, United Kingdom.
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Rehm CD, Goltz SR, Katcher JA, Guarneiri LL, Dicklin MR, Maki KC. Trends and patterns of chickpea consumption among U.S. adults: analyses of NHANES data. J Nutr 2023; 153:1567-1576. [PMID: 36990184 DOI: 10.1016/j.tjnut.2023.03.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/17/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023] Open
Abstract
BACKGROUND Chickpeas are an affordable and nutrient-dense legume, but there is limited U.S. data on consumption patterns and the relationship between chickpea consumption and dietary intakes. OBJECTIVE This study examined trends and socio-demographic patterns among chickpea consumers and the relationship between chickpea consumption and dietary intake. METHODS Adults consuming chickpeas or chickpea-containing foods on one or both of the 24-hour dietary recalls were categorized as chickpea consumers. Data from National Health and Nutrition Examination Surveys 2003-2018 were used to evaluate trends and socio-demographic patterns in chickpea consumption (n=35,029). The association between chickpea consumption and dietary intakes was compared to other legume consumers and non-legume consumers from 2015-2018 (n=8,342). RESULTS The proportion of chickpea consumers increased from 1.9% in 2003-2006 to 4.5% in 2015-2018 (p-value for trend<0.001). This trend was consistent across age group, gender, race/ethnicity, education, and income. In 2015-2018, chickpea consumption was highest among individuals with higher incomes (2.4% among those with incomes <185% of the federal poverty guideline vs. 6.4% with incomes ≥300%), education levels (1.0% for <high school vs. 10.2% for college graduates), physical activity levels (1.9% for no physical activity vs. 7.7% for ≥430min of moderate-equivalent physical activity per week), and those with better self-reported health (1.7% fair poor vs. 6.5% for excellent/very good, p-trend<0.001 for each). Chickpea consumers had greater intakes of whole grains (1.48 oz/d for chickpea consumers vs. 0.91 for non-legume consumers) and nuts/seeds (1.47 vs. 0.72 oz/d), less intake of red meat (0.96 vs. 1.55 oz/d), and higher Healthy Eating Index scores (62.1 vs. 51.2) compared to both non-legume and other legume consumers (p-value<0.05 for each). CONCLUSIONS Chickpea consumption among U.S. adults has doubled between 2003 and 2018, yet intake remains low. Chickpea consumers have higher socioeconomic status and better health status, and their overall diets are more consistent with healthy eating.
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Affiliation(s)
- Colin D Rehm
- Health and Nutrition Sciences, PepsiCo, Purchase, NY, United States.
| | - Shellen R Goltz
- Health and Nutrition Sciences, PepsiCo, Chicago, IL, United States
| | - Julia A Katcher
- Department of Behavioral Health and Nutrition, University of Delaware, Newark, DE, United States
| | | | | | - Kevin C Maki
- Midwest Biomedical Research, Addison, IL, United States; Department of Applied Health Science, Indiana University School of Public Health-Bloomington, Bloomington, IN, United States
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Brick MA, Kleintop A, Echeverria D, Kammlade S, Brick LA, Osorno JM, McClean P, Thompson HJ. Dry Bean: A Protein-Rich Superfood With Carbohydrate Characteristics That Can Close the Dietary Fiber Gap. FRONTIERS IN PLANT SCIENCE 2022; 13:914412. [PMID: 35958206 PMCID: PMC9360763 DOI: 10.3389/fpls.2022.914412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/20/2022] [Indexed: 05/25/2023]
Abstract
Consumer food choices are often focused on protein intake, but the chosen sources are frequently either animal-based protein that has high fat content or plant-based protein that is low in other nutrients. In either case, these protein sources often lack dietary fiber, which is a nutrient of concern in the 2020-2025 Dietary Guide for Americans. Pulse crops, such as dry edible beans (Phaseolus vulgaris L.), are a rich source of dietary protein and contain approximately equal amounts of dietary fiber per 100 kcal edible portion; yet the consumer's attention has not been directed to this important fact. If product labeling were used to draw attention to the similar ratio of dietary protein to dietary fiber in dry bean and other pulses, measures of carbohydrate quality could also be highlighted. Dietary fiber is categorized into three fractions, namely, soluble (SDF), insoluble (IDF), and oligosaccharides (OLIGO), yet nutrient composition databases, as well as food labels, usually report only crude fiber. The objectives of this research were to measure the content of SDF, IDF, and OLIGO in a large genetically diverse panel of bean cultivars and improved germplasm (n = 275) and determine the impact of growing environment on the content of DF. Dietary fiber was evaluated using the American Association of Analytical Chemist 2011.25 method on bean seed grown at two locations. Dry bean cultivars differed for all DF components (P ≤ 0.05). Insoluble dietary fiber constituted the highest portion of total DF (54.0%), followed by SDF (29.1%) and OLIGO (16.8%). Mean total DF and all components did not differ among genotypes grown in two field environments. These results indicate that value could be added to dry bean by cultivar-specific food labeling for protein and components of dietary fiber.
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Affiliation(s)
- Mark A. Brick
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO, United States
| | - Adrienne Kleintop
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO, United States
| | - Dimas Echeverria
- RNA Therapeutics Institute, University of Massachusetts Medical School, Worcester, MA, United States
| | - Sara Kammlade
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO, United States
| | - Leslie A. Brick
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO, United States
| | - Juan M. Osorno
- Department of Plant Sciences, North Dakota State University, Fargo, ND, United States
| | - Phillip McClean
- Department of Plant Sciences, North Dakota State University, Fargo, ND, United States
| | - Henry J. Thompson
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO, United States
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Kadyan S, Sharma A, Arjmandi BH, Singh P, Nagpal R. Prebiotic Potential of Dietary Beans and Pulses and Their Resistant Starch for Aging-Associated Gut and Metabolic Health. Nutrients 2022; 14:nu14091726. [PMID: 35565693 PMCID: PMC9100130 DOI: 10.3390/nu14091726] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/18/2022] [Accepted: 04/19/2022] [Indexed: 01/27/2023] Open
Abstract
Dietary pulses, including dry beans, lentils, chickpeas, and dry peas, have the highest proportion of fiber among different legume cultivars and are inexpensive, easily accessible, and have a long shelf-life. The inclusion of pulses in regular dietary patterns is an easy and effective solution for achieving recommended fiber intake and maintaining a healthier gut and overall health. Dietary pulses-derived resistant starch (RS) is a relatively less explored prebiotic ingredient. Several in vitro and preclinical studies have elucidated the crucial role of RS in fostering and shaping the gut microbiota composition towards homeostasis thereby improving host metabolic health. However, in humans and aged animal models, the effect of only the cereals and tubers derived RS has been studied. In this context, this review collates literature pertaining to the beneficial effects of dietary pulses and their RS on gut microbiome-metabolome signatures in preclinical and clinical studies while contemplating their potential and prospects for better aging-associated gut health. In a nutshell, the incorporation of dietary pulses and their RS in diet fosters the growth of beneficial gut bacteria and significantly enhances the production of short-chain fatty acids in the colon.
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Relandscaping the Gut Microbiota with a Whole Food: Dose–Response Effects to Common Bean. Foods 2022; 11:foods11081153. [PMID: 35454741 PMCID: PMC9025344 DOI: 10.3390/foods11081153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/06/2022] [Accepted: 04/12/2022] [Indexed: 12/12/2022] Open
Abstract
Underconsumption of dietary fiber and the milieu of chemicals with which it is associated is a health concern linked to the increasing global burden of chronic diseases. The benefits of fiber are partially attributed to modulation of the gut microbiota, whose composition and function depend on the amount and quality of microbiota-accessible substrates in the diet. However, not all types of fiber are equally accessible to the gut microbiota. Phaseolus vulgaris L., or common bean, is a food type rich in fiber as well as other prebiotics posing a great potential to positively impact diet-microbiota-host interactions. To elucidate the magnitude of bean’s effects on the gut microbiota, increasing doses of common bean were administered in macronutrient-matched diet formulations. The microbial communities in the ceca of female and male mice were evaluated via 16S rRNA gene sequencing. As the bean dose increased, the Bacillota:Bacteroidota ratio (formerly referred to as the Firmicutes:Bacteroidetes ratio) was reduced and α-diversity decreased, whereas the community composition was distinctly different between the diet groups according to β-diversity. These effects were more pronounced in female mice compared to male mice. Compositional analyses identified a dose-responsive bean-induced shift in microbial composition. With an increasing bean dose, Rikenellaceae, Bacteroides, and RF39, which are associated with health benefits, were enhanced. More taxa, however, were suppressed, among which were Allobaculum, Oscillospira, Dorea, and Ruminococcus, which are predominantly associated with chronic disease risk. Investigation of the origins of the dose dependent and biological sex differences in response to common bean consumption may provide insights into bean-gut microbiota-host interactions important to developing food-based precision approaches to chronic disease prevention and control.
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Olloqui EJ, Castañeda-Ovando A, Evangelista-Lozano S, Alanís-García E, Ramírez-Moreno E, Valadez-Vega C, Añorve-Morga J. Measurement of nutrients and minor components of a non-toxic variety of Jatropha curcas. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-021-01229-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Gangola MP, Ramadoss BR, Jaiswal S, Fabek H, Tulbek M, Anderson GH, Chibbar RN. Nutritional Composition and In Vitro Starch Digestibility of Crackers Supplemented with Faba Bean Whole Flour, Starch Concentrate, Protein Concentrate and Protein Isolate. Foods 2022; 11:foods11050645. [PMID: 35267277 PMCID: PMC8909546 DOI: 10.3390/foods11050645] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/14/2022] [Accepted: 02/21/2022] [Indexed: 02/04/2023] Open
Abstract
The nutritional quality of common wheat-based foods can be improved by adding flours from whole pulses or their carbohydrate and protein constituents. Faba bean (Vicia faba L.) is a pulse with high protein concentration. In this study, prepared faba bean (FB) flours were added to wheat based baked crackers. Wheat cracker recipes were modified by substituting forty percent wheat flour with flours from whole faba bean, starch enriched flour (starch 60%), protein concentrate (protein 60%) or protein isolate (protein 90%). Baked crackers were ground into meal and analyzed for their macronutrient composition, starch characteristics and in vitro starch hydrolysis. Faba bean supplemented crackers had lower (p ≤ 0.001) total starch concentrations, but proportionally higher protein (16.8-43%), dietary fiber (6.7-12.1%), fat (4.8-7.1%) and resistant starch (3.2-6%) (p ≤ 0.001) than wheat crackers (protein: 16.2%, dietary fiber: 6.3%, fat: 4.2, resistant starch: 1.2%). The increased amylose, amylopectin B1- chain and fat concentration from faba bean flour and starch flour supplementation in cracker recipe contributed to increased resistant starch. Flours from whole faba bean, starch or protein fractions improved the nutritional properties and functional value of the wheat-based crackers. The analytical analysis describing protein, starch composition and structure and in vitro enzymatic hydrolysis advance understanding of factors that account for the in vivo benefits of faba bean flours added to crackers in human physiological functions as also previously shown for pasta. The findings can be used to guide development of improve nutritional quality of similar wheat-based food products.
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Affiliation(s)
- Manu Pratap Gangola
- Department of Plant Sciences, College of Agriculture and Bioresources, 51 Campus Drive, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada; (M.P.G.); (B.R.R.); (S.J.)
| | - Bharathi Raja Ramadoss
- Department of Plant Sciences, College of Agriculture and Bioresources, 51 Campus Drive, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada; (M.P.G.); (B.R.R.); (S.J.)
| | - Sarita Jaiswal
- Department of Plant Sciences, College of Agriculture and Bioresources, 51 Campus Drive, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada; (M.P.G.); (B.R.R.); (S.J.)
| | - Hrvoje Fabek
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 5th Floor, Medical Sciences Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada; (H.F.); (G.H.A.)
| | - Mehmet Tulbek
- Saskatchewan Food Industry Development Centre, Saskatoon, SK S7M 5V1, Canada;
| | - Gerald Harvey Anderson
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, 5th Floor, Medical Sciences Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada; (H.F.); (G.H.A.)
| | - Ravindra N. Chibbar
- Department of Plant Sciences, College of Agriculture and Bioresources, 51 Campus Drive, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada; (M.P.G.); (B.R.R.); (S.J.)
- Correspondence: ; Tel.: +1-306-966-4969
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14
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Deoxycholic Acid Modulates Cell-Junction Gene Expression and Increases Intestinal Barrier Dysfunction. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030723. [PMID: 35163990 PMCID: PMC8839472 DOI: 10.3390/molecules27030723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 01/14/2022] [Accepted: 01/19/2022] [Indexed: 12/11/2022]
Abstract
Diet-related obesity is associated with increased intestinal hyperpermeability. High dietary fat intake causes an increase in colonic bile acids (BAs), particularly deoxycholic acid (DCA). We hypothesize that DCA modulates the gene expression of multiple cell junction pathways and increases intestinal permeability. With a human Caco-2 cell intestinal model, we used cell proliferation, PCR array, biochemical, and immunofluorescent assays to examine the impact of DCA on the integrity of the intestinal barrier and gene expression. The Caco-2 cells were grown in monolayers and challenged with DCA at physiological, sub-mM, concentrations. DCA increased transcellular and paracellular permeability (>20%). Similarly, DCA increased intracellular reactive oxidative species production (>100%) and accompanied a decrease (>40%) in extracellular signal-regulated kinase 1/2 (ERK1/2) signaling pathways. Moreover, the mRNA levels of 23 genes related to the epithelial barrier (tight junction, focal adhesion, gap junction, and adherens junction pathways) were decreased (>40%) in (0.25 mM) DCA-treated Caco-2 cells compared to untreated cells. Finally, we demonstrated that DCA decreased (>58%) the protein content of occludin present at the cellular tight junctions and the nucleus of epithelial cells. Collectively, DCA decreases the gene expression of multiple pathways related to cell junctions and increases permeability in a human intestinal barrier model.
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15
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Thompson HJ. The Dietary Guidelines for Americans (2020-2025): Pulses, Dietary Fiber, and Chronic Disease Risk-A Call for Clarity and Action. Nutrients 2021; 13:nu13114034. [PMID: 34836289 PMCID: PMC8621412 DOI: 10.3390/nu13114034] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 11/10/2021] [Indexed: 01/17/2023] Open
Abstract
The 2020-2025 Dietary Guidelines for Americans (DGA) were recently released [...].
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Affiliation(s)
- Henry J Thompson
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO 80523, USA
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16
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Nomura K, Sakai M, Ohboshi H, Nakamura A. Extraction of a water-soluble polysaccharide fraction from lentils and its potential application in acidified protein dispersions. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106740] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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17
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Han J, Zhang R, Muheyati D, Lv MX, Aikebaier W, Peng BX. The Effect of Chickpea Dietary Fiber on Lipid Metabolism and Gut Microbiota in High-Fat Diet-Induced Hyperlipidemia in Rats. J Med Food 2021; 24:124-134. [PMID: 33512255 DOI: 10.1089/jmf.2020.4800] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Hyperlipidemia is a metabolic disorder characterized by high lipid levels, which may lead to cardiovascular diseases. Evidence suggests that improving the gut microbiota homeostasis is of great importance in lipid metabolism. Dietary fiber may positively regulate blood lipid and intestinal microbiota, therefore, we have investigated the effect of chickpea dietary fiber (CDF) on high-fat diet (HFD)-induced hyperlipidemia and gut bacterial dysbiosis. Fifty male Sprague Dawley rats purchased for this study were randomly divided into 5 groups of 10 rats each. The control group was fed with normal diet (ND), while the other four groups were all fed with HFD for inducing hyperlipidemia. Then one of the four HFD groups continued to be fed with only HFD, and the other three groups were fed with CDF in different doses: high CDF (30 g CDF/kg of HFD), medium CDF (15 g CDF/kg of HFD), and low CDF (5 g CDF/kg of HFD). After CDF treatment, the lipid level in serum was determined through biochemical methods, and microbial content of the fecal sample was determined by 16S rDNA sequencing. We found that CDF could decrease the levels of total cholesterol, triglyceride, and low-density lipoprotein cholesterol and increase the level of high-density lipoprotein cholesterol significantly. The diversity of gut microbiota in the ND group and CDF-treated groups were higher than HFD group. The β-diversity analysis showed that there were significant differences in gut microbiota among HFD-, ND-, and CDF-treated groups. Rats in CDF groups tended to be similar and interactive. CDF can effectively increase the abundance of Bacteroides and Lactobacillus in rats and increase the level of propionic acid. These results indicated that CDF might affect serum lipid and gut bacterial ecosystem positively.
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Affiliation(s)
- Jia Han
- Department of Nutrition and Food Hygiene, College of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Rui Zhang
- Department of Nutrition and Food Hygiene, College of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Dina Muheyati
- Department of Nutrition and Food Hygiene, College of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Mei Xia Lv
- Department of Nutrition and Food Hygiene, College of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Wubulikasimu Aikebaier
- Department of Nutrition and Food Hygiene, College of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Bing Xin Peng
- Department of Nutrition and Food Hygiene, College of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
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18
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Biochemical characteristics and potential applications of ancient cereals - An underexploited opportunity for sustainable production and consumption. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2020.12.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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19
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Didinger C, Thompson H. Motivating Pulse-Centric Eating Patterns to Benefit Human and Environmental Well-Being. Nutrients 2020; 12:E3500. [PMID: 33202540 PMCID: PMC7698258 DOI: 10.3390/nu12113500] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/11/2020] [Accepted: 11/12/2020] [Indexed: 02/06/2023] Open
Abstract
Pulses (e.g., lentil, common bean, chickpea, and dry pea) are linked to a myriad of positive human and environmental health impacts, making them an ideal food for wise and conscientious global citizens. In addition, pulses are affordable and shelf-stable. The combination of these factors, an elevated consumer interest in plant-based diets, and the COVID-19 pandemic resulted in increased purchasing of pulses and even empty grocery store shelves. Although pulses have many associated benefits, some consumers are hesitant to regularly eat pulses, claiming concerns of abdominal discomfort or a lack of knowledge on how to best prepare pulses. To capitalize on increased consumer interest and purchasing of pulses, now is the time for outreach efforts that address these concerns and the positive outcomes associated with pulses, thereby promoting public and environmental health. Consumers must actively decide to add pulses to their grocery lists and incorporate them into their regular eating patterns. Motivation to adopt new eating habits is essential because knowledge alone does not result in behavior change. Thus, to mitigate perceived barriers and drive consumption, we suggest application of the Information-Motivation-Behavioral Skills Model and emphasis of three main benefits of pulses as motivators: (1) culinary versatility, (2) sustainability, and (3) healthfulness.
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Affiliation(s)
- Chelsea Didinger
- Department of Food Science and Human Nutrition, Colorado State University, Fort Collins, CO 80523, USA;
| | - Henry Thompson
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO 80523, USA
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20
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Abstract
Diet is an important risk factor for colorectal cancer (CRC), and several dietary constituents implicated in CRC are modified by gut microbial metabolism. Microbial fermentation of dietary fiber produces short-chain fatty acids, e.g., acetate, propionate, and butyrate. Dietary fiber has been shown to reduce colon tumors in animal models, and, in vitro, butyrate influences cellular pathways important to cancer risk. Furthermore, work from our group suggests that the combined effects of butyrate and omega-3 polyunsaturated fatty acids (n-3 PUFA) may enhance the chemopreventive potential of these dietary constituents. We postulate that the relatively low intakes of n-3 PUFA and fiber in Western populations and the failure to address interactions between these dietary components may explain why chemoprotective effects of n-3 PUFA and fermentable fibers have not been detected consistently in prospective cohort studies. In this review, we summarize the evidence outlining the effects of n-3 long-chain PUFA and highly fermentable fiber with respect to alterations in critical pathways important to CRC prevention, particularly intrinsic mitochondrial-mediated programmed cell death resulting from the accumulation of lipid reactive oxygen species (ferroptosis), and epigenetic programming related to lipid catabolism and beta-oxidation-associated genes.
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21
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McGinley JN, Fitzgerald VK, Neil ES, Omerigic HM, Heuberger AL, Weir TL, McGee R, Vandemark G, Thompson HJ. Pulse Crop Effects on Gut Microbial Populations, Intestinal Function, and Adiposity in a Mouse Model of Diet-Induced Obesity. Nutrients 2020; 12:E593. [PMID: 32106420 PMCID: PMC7146478 DOI: 10.3390/nu12030593] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 02/18/2020] [Accepted: 02/21/2020] [Indexed: 02/08/2023] Open
Abstract
The dietary fiber gap that is present in many countries co-exists with a low intake of grain legumes (pulses) that have 2-3 times more dietary fiber than cereal grains that are commonly recommended to increase fiber intake. Given the relationships among dietary fiber, gut health and chronic disease risk, a study was undertaken in a preclinical mouse model for obesity to examine how commonly consumed pulses, i.e., chickpea, common bean, dry pea and lentil, would impact gut microbes, intestinal function, and adiposity. Pulses were fed to C57BL/6 mice at similar levels of protein and fiber. Bacterial count in the cecum was elevated 3-fold by pulse consumption. At the phylum level, a 2.2- to 5-fold increase in Bacteriodetes relative to Firmicutes was observed. For Akkermansia muciniphila, a health-beneficial bacterium, differential effects were detected among pulses ranging from no effect to a 49-fold increase. Significant differences among pulses in biomarkers of intestinal function were not observed. Pulses reduced accumulation of lipid in adipose tissue with a greater reduction in the subcutaneous versus visceral depots. Metabolomics analysis indicated that 108 metabolites were highly different among pulse types, and several compounds are hypothesized to influence the microbiome. These results support recent recommendations to increase consumption of pulse-based foods for improved health, although all pulses were not equal in their effects.
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Affiliation(s)
- John N. McGinley
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO 80523, USA; (J.N.M.); (V.K.F.); (E.S.N.)
| | - Vanessa K. Fitzgerald
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO 80523, USA; (J.N.M.); (V.K.F.); (E.S.N.)
| | - Elizabeth S. Neil
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO 80523, USA; (J.N.M.); (V.K.F.); (E.S.N.)
| | - Heather M. Omerigic
- Department of Horticulture, Colorado State University, Fort Collins, CO 80523, USA; (H.M.O.); (A.L.H.)
| | - Adam L. Heuberger
- Department of Horticulture, Colorado State University, Fort Collins, CO 80523, USA; (H.M.O.); (A.L.H.)
| | - Tiffany L. Weir
- Department of Food Science and Human Nutrition, Colorado State University, Fort Collins, CO 80523, USA;
| | - Rebecca McGee
- USDA-ARS Grain Legume Genetics and Physiology, Washington State University, Pullman, WA 99164, USA; (R.M.); (G.V.)
| | - George Vandemark
- USDA-ARS Grain Legume Genetics and Physiology, Washington State University, Pullman, WA 99164, USA; (R.M.); (G.V.)
| | - Henry J. Thompson
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO 80523, USA; (J.N.M.); (V.K.F.); (E.S.N.)
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22
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Implications of two different methods for analyzing total dietary fiber in foods for food composition databases. J Food Compost Anal 2019. [DOI: 10.1016/j.jfca.2019.103253] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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23
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Thompson HJ. Improving Human Dietary Choices Through Understanding of the Tolerance and Toxicity of Pulse Crop Constituents. Curr Opin Food Sci 2019; 30:93-97. [PMID: 32864345 PMCID: PMC7449238 DOI: 10.1016/j.cofs.2019.01.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Chickpea, dry bean, dry pea, and lentil are prominent dietary grain legumes commonly referred to as pulses. Pulses have been a staple component of the human diet for more than 8,000 years; however, in the last 70 years they have virtually disappeared from most Western diets. Reduced intake has occurred concomitantly with inadequate dietary fiber consumption and the onset of the obesity pandemic. Misinformation about tolerance and toxicity of several pulse crop constituents remains a barrier to public health efforts to increase dietary intake. Of particular concern are lectins which participate in agglutination reactions with cell surface proteins and galacto-oligosaccharides which have been associated with intestinal discomfort and flatulence. The scientific basis of these concerns is reviewed.
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Affiliation(s)
- Henry J Thompson
- Cancer Prevention Laboratory, Colorado State University, Fort Collins, CO 80523-1173
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24
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Garcia-Amezquita LE, Tejada-Ortigoza V, Heredia-Olea E, Serna-Saldívar SO, Welti-Chanes J. Differences in the dietary fiber content of fruits and their by-products quantified by conventional and integrated AOAC official methodologies. J Food Compost Anal 2018. [DOI: 10.1016/j.jfca.2018.01.004] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Winham DM, Hutchins AM, Thompson SV, Dougherty MK. Arizona Registered Dietitians Show Gaps in Knowledge of Bean Health Benefits. Nutrients 2018; 10:E52. [PMID: 29316699 PMCID: PMC5793280 DOI: 10.3390/nu10010052] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 12/21/2017] [Accepted: 01/05/2018] [Indexed: 12/21/2022] Open
Abstract
Registered Dietitians (RDs) promote nutrition practices and policies and can influence food consumption patterns to include nutrient dense foods such as beans. Although many evidence-based health benefits of bean consumption (e.g., cholesterol reduction, glycemic control) have been demonstrated, there is limited research on the knowledge, attitudes, and perceptions of RDs regarding the inclusion of beans in a healthy diet. To fill this existing research gap, this cross-sectional survey explored the perceptions, knowledge, and attitudes of 296 RDs in Arizona, USA, toward beans. The RDs largely held positive attitudes toward the healthfulness of beans and were aware of many health benefits. Some gaps in awareness were evident, including effect on cancer risk, intestinal health benefits, folate content, and application with celiac disease patients. RDs with greater personal bean consumption had significantly higher bean health benefit knowledge. Twenty-nine percent of the RDs did not know the meaning of 'legume', and over two-thirds could not define the term 'pulse'. It is essential that RDs have up-to-date, evidence-based information regarding bean benefits to provide appropriate education to patients, clients, and the public.
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Affiliation(s)
- Donna M Winham
- Department of Food Science & Human Nutrition, Iowa State University, Ames, IA 50011, USA.
| | - Andrea M Hutchins
- Department of Health Sciences, University of Colorado, Colorado Springs, CO 80918, USA.
| | - Sharon V Thompson
- Division of Nutritional Sciences, University of Illinois at Urbana Champaign, Urbana, IL 61801, USA.
| | - Mariah K Dougherty
- Department of Pharmaceutical & Nutrition Care, University of Nebraska Medical Center, Omaha, NE 68198, USA.
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26
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Dietary Fiber Analysis of Four Pulses Using AOAC 2011.25: Implications for Human Health. Nutrients 2016; 8:nu8120829. [PMID: 28009809 PMCID: PMC5188482 DOI: 10.3390/nu8120829] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 12/05/2016] [Accepted: 12/16/2016] [Indexed: 12/13/2022] Open
Abstract
Chickpeas, common beans, dry peas, and lentils are pulse crops that have been a cornerstone of the human diet since the inception of agriculture. However, the displacement of pulses from the diet by low fiber protein alternatives has resulted in a pervasive deficiency referred to as the dietary fiber gap. Using an analytical method American Association of Analytical Chemists (AOAC) 2011.25 that conforms to the Codex Alimentarius Commission consensus definition for dietary fiber, the fiber content of these pulse crops was evaluated in seed types used for commercial production. These pulse crops have 2 to 3 times more fiber per 100 g edible portion than other dietary staples. Moreover, there is marked variation in fiber content among cultivars of the same crop. We conclude that pulse crop consumption should be emphasized in efforts to close the dietary fiber gap. The substantial differences in fiber content among currently available cultivars within a crop can be used to further improve gains in fiber intake without the need to change dietary habits. This provides a rationale for cultivar-based food labeling.
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