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Johnson JJ, Shaw PA, Wooller MJ, Venti CA, Krakoff J, Votruba SB, O'Brien DM. Amino Acid Nitrogen Isotope Ratios Respond to Fish and Meat Intake in a 12-Week Inpatient Feeding Study of Men. J Nutr 2022; 152:2031-2038. [PMID: 35511610 PMCID: PMC9445847 DOI: 10.1093/jn/nxac101] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/18/2022] [Accepted: 04/28/2022] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND The natural abundance nitrogen stable isotope ratio (NIR) of whole tissue correlates with animal protein intakes, including meat and fish. Amino acid (AA) NIRs (NIRAAs) are more variable than the whole-tissue NIRs and may thus better differentiate among foods. OBJECTIVES We evaluated whether NIRAAs were associated with intakes of fish and meat and whether these dietary associations were larger than with whole-tissue NIRs. METHODS Men were recruited at the National Institute of Diabetes and Digestive and Kidney Diseases in Phoenix, Arizona, and randomly assigned to one of eight 12-wk inpatient dietary interventions, which varied the presence/absence of fish, meat, and sugar-sweetened beverages (SSBs) in all possible combinations. Fasting blood was drawn pre- and postintervention and plasma and RBC NIRAAs (free and protein-bound) were measured as secondary outcomes in 32 participants. Multivariable regression was used to determine responses of postintervention NIRAAs to dietary variables, and logistic regression was used to calculate receiver operating characteristic AUCs. RESULTS Most plasma NIRAAs increased with fish and meat intakes, but to a greater extent with fish intake. The largest increase in response to fish intake was plasma NIRLeucine (β = 2.19, SE = 0.26). The NIRThreonine decreased with both fish and meat intakes. Fewer RBC NIRAAs increased with fish intake, and only RBC NIRProline increased with meat intake. No plasma or RBC NIRAA responded to SSB intake. We identified fish intake with a high degree of accuracy using plasma NIRLeucine (corrected AUC, cAUC = 0.96) and NIRGlutamic acid/glutamine (cAUC = 0.93), and meat intake to a lower degree using plasma NIRProline (cAUC = 0.80) and RBC NIRProline (cAUC = 0.85). CONCLUSIONS Plasma and RBC NIRAAs were associated with fish and meat intakes but were not superior to whole-tissue stable isotope biomarkers in identifying these intakes in a US diet. This trial is registered at www.clinicaltrials.gov as NCT01237093.
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Affiliation(s)
| | - Pamela A Shaw
- Washington Health Research Institute, Kaiser Permanente, Seattle, WA, USA
| | - Matthew J Wooller
- Alaska Stable Isotope Facility, Water and Environmental Research Center, Institute of Northern Engineering, College of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Colleen A Venti
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Jonathan Krakoff
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Susanne B Votruba
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Diane M O'Brien
- Center for Alaska Native Health Research, Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA
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Lee HS, Shim JY, Shin WJ, Choi SH, Bong YS, Lee KS. Dietary homogenization and spatial distributions of carbon, nitrogen, and sulfur isotope ratios in human hair in South Korea. PLoS One 2021; 16:e0256404. [PMID: 34415968 PMCID: PMC8378694 DOI: 10.1371/journal.pone.0256404] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 08/05/2021] [Indexed: 11/18/2022] Open
Abstract
Dietary homogenization has progressed worldwide due to westernization and the globalization of food production systems. We investigated dietary heterogeneity in South Korea by examining the spatial distribution of carbon (C), nitrogen (N), and sulfur (S) isotope ratios using 264 human hair samples. Overall, variation in isotope values was small, indicating low dietary heterogeneity. We detected differences in δ13C, δ15N, and δ34S values between administrative provinces and metropolitan cities; inter-regional differences were typically < 1 ‰. Values of δ34S were significantly lower in hair samples from inland regions relative to those from coastal locations, and a similar pattern was observed in δ15N values. Understanding geographic variation in δ34S and δ15N values in human hair is useful for provenancing humans in South Korea.
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Affiliation(s)
- Han-Seul Lee
- Research Center for Geochronology and Isotope Analysis, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon, Republic of Korea
| | - Ji-Yu Shim
- Research Center for Geochronology and Isotope Analysis, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon, Republic of Korea
| | - Woo-Jin Shin
- Research Center for Geochronology and Isotope Analysis, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
| | - Seung-Hyun Choi
- Center for Research Equipment, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
| | - Yeon-Sik Bong
- Center for Research Equipment, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
| | - Kwang-Sik Lee
- Research Center for Geochronology and Isotope Analysis, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon, Republic of Korea
- * E-mail:
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Jesus Silva R, Nardoto GB, Schor T, da Silva MRF, Martinelli LA. Impacts of market economy access and livelihood conditions on agro-food transition in rural communities in three macro-regions of Brazil. ENVIRONMENT, DEVELOPMENT AND SUSTAINABILITY 2021; 24:1010-1030. [PMID: 33994843 PMCID: PMC8108737 DOI: 10.1007/s10668-021-01480-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 04/28/2021] [Indexed: 06/12/2023]
Abstract
Urbanization has threatened rural communities' livelihoods worldwide, changing their agro-food systems from locally produced traditional items to industrialized foodstuffs. The main objective was to investigate the relationship between livelihood conditions and the agro-food transition process in rural communities of the Center-West, Northeast, and Amazon regions of Brazil. We hypothesized that traditional agroecosystems and local food habits changed with greater access to market economies. The study was conducted with semi-structured questionnaire interviews to verify agro-food patterns, subsistence farming, natural resource use, and socioeconomic conditions. Moreover, we used stable isotope ratios from the inhabitants' fingernails to determine the food source and trophic chain diversity. Data from questionnaires were analyzed using a Bayesian clustering model to characterize the socioeconomic conditions and agro-food patterns among rural and urban communities. The isotopic data were appraised through a nonparametric model to assess food differences among Brazilian regions and different community types. The Bayesian model allowed us to determine the optimal number of groups according to descriptive socioeconomic and agro-food variables sorted by each specific location. We also verified a food change from C3 (more natural) to C4 (more processed) with an increase in δ 13C and a decrease in δ 15N in the city and town localities. This indicates a livelihood shift from locally produced foods to processed items toward urban areas. Although remote villages showed more maintenance of their agro-food systems, increased access to market economies and the supermarket diet is changing the livelihood conditions of rural communities, which can compromise their traditional farming and food sovereignty.
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Affiliation(s)
| | - Gabriela Bielefeld Nardoto
- Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília (UnB), Brasília, DF Brazil
| | - Tatiana Schor
- Departamento de Geografia, Universidade Federal do Amazonas (UFAM), Manaus, Brazil
| | | | - Luiz Antônio Martinelli
- Centro de Energia Nuclear na Agricultura (CENA), Departamento de Ecologia Isotópica, Universidade de São Paulo (USP), Piracicaba, Brazil
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Correia MA, Foley R, Mirazón Lahr M. Applying dental microwear texture analysis to the living: Challenges and prospects. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2020; 174:542-554. [PMID: 32920867 DOI: 10.1002/ajpa.24133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 07/22/2020] [Accepted: 08/02/2020] [Indexed: 12/30/2022]
Abstract
OBJECTIVES The food that people and animals consume leaves microscopic traces on teeth in predictable ways, and analyses of these markings-known as dental microwear analyses-allow us to reverse engineer the characteristics of diet. However, the microwear features of modern human diets are most often interpreted through the lens of ethnographic records. Given the subtle variation within human diets when compared to other species, we need better models of how foods and processing techniques produce marks on teeth. Here, we report on the second study to target the occlusal surface microwear of living human populations, and the first to target populations other than foragers. METHODS We collected 150 dental impressions from five Kenyan communities: El Molo, Turkana (Kerio), Luhya (Webuye), Luhya (Port Victoria), and Luo (Port Victoria), representing a range of subsistence strategies and associated staple diets-fishing, pastoralism, and agriculture. Our results suggest that the occlusal microwear of these groups records differences in diet. However, biofilm obscured most of the molds obtained despite the steps taken to remove it, resulting in only 38 usable surfaces. RESULTS Due to the biofilm problem and final sample size, the analysis did not have enough power to demonstrate the differences observed statistically. The results and problems encountered are here explained. CONCLUSIONS Considering that in vivo studies of dental microwear texture analysis have the potential to increase our understanding of the association between patterns of dental microwear and complex, mixed human diets, resolution of the current pitfalls of the technique is critical.
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Affiliation(s)
- Maria Ana Correia
- Leverhulme Centre for Human Evolutionary Studies, Department of Archaeology, University of Cambridge, Cambridge, UK
| | - Robert Foley
- Leverhulme Centre for Human Evolutionary Studies, Department of Archaeology, University of Cambridge, Cambridge, UK.,Turkana Basin Institute, Nairobi, Kenya
| | - Marta Mirazón Lahr
- Leverhulme Centre for Human Evolutionary Studies, Department of Archaeology, University of Cambridge, Cambridge, UK.,Turkana Basin Institute, Nairobi, Kenya
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Nardoto GB, da Silva RJ, Schor T, Garavello MEPE, da Silva MRF, Rodrigues LPF, Murrieta RSS, Camilo EA, Reinaldo EDF, de Aquino FC, da Silva EA, de Camargo PB, Moreira MZ, Mazzi EA, Duarte-Neto PJ, Martinelli LA. Mapping carbon and nitrogen isotopic composition of fingernails to demonstrate a rural-urban nutrition transition in the Center-West, Northeast, and Amazon regions of Brazil. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2020; 172:650-663. [PMID: 32491211 DOI: 10.1002/ajpa.24078] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 04/08/2020] [Accepted: 04/27/2020] [Indexed: 12/26/2022]
Abstract
OBJECTIVE The main objective of this study is to investigate diet patterns among rural and urban populations of the Center-West, Northeast, and Amazon regions of Brazil through the carbon and nitrogen isotopic composition of fingernails, recognizing that the extent of market integration is a key driver of food consumption. MATERIALS AND METHODS In the Center-West, Northeast, and Amazon regions of Brazil, fingernails were sampled in clusters encompassing a major city, town, and rural village. A total of 2,133 fingernails were analyzed. Fingernails were clipped by donors using fingernail clippers. In the laboratory, samples were cleaned then weighed in small tin capsules before being isotopically analyzed for carbon and nitrogen. RESULTS The overall mean δ13 C and δ15 N were -19.7 ± 2.8‰ and 10.6 ± 1.1‰, respectively. In the more remote villages, where access to food markets is more challenging, lower δ13 C prevails, suggesting that Brazilian staple foods (rice, beans, and farinha) still dominate. In areas with easier access to food markets, δ13 C values were higher, suggesting a change to a diet based on C4 plants, typical of a Brazilian supermarket diet. The variability among inhabitants in the same location expressed by a significant inverse correlation between δ13 C and δ15 N fingernail values suggested that "market integration" does not affect everyone equally in each community. DISCUSSION AND CONCLUSION The nutrition transition has not yet reached some remote villages in these regions of Brazil or that the nutrition transition has not yet reached all residents of these remote villages. On the other hand, in several villages there is a considerable adherence to the supermarket diet or that some residents of these villages are already favoring processed food.
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Affiliation(s)
- Gabriela B Nardoto
- Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, Brazil
| | | | - Tatiana Schor
- Departamento de Geografia, Universidade Federal do Amazonas, Manaus, Brazil
| | | | - Marcia Regina F da Silva
- Departamento de Gestão Ambiental, Universidade do Estado do Rio Grande do Norte, Mossoró, Brazil
| | | | - Rui Sergio S Murrieta
- Laboratório de Arqueologia, Antropologia Ambiental e Evolutiva (LAAAE), Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Ellen A Camilo
- Departamento de Geografia, Universidade Federal do Amazonas, Manaus, Brazil
| | - Emanoella D F Reinaldo
- Departamento de Gestão Ambiental, Universidade do Estado do Rio Grande do Norte, Mossoró, Brazil
| | | | | | - Plinio B de Camargo
- Laboratório de Ecologia Isotópica, CENA, Universidade de São Paulo, Piracicaba, Brazil
| | - Marcelo Z Moreira
- Laboratório de Ecologia Isotópica, CENA, Universidade de São Paulo, Piracicaba, Brazil
| | - Edmar A Mazzi
- Laboratório de Ecologia Isotópica, CENA, Universidade de São Paulo, Piracicaba, Brazil
| | - Paulo José Duarte-Neto
- Departamento de Estatística e Informática, Universidade Federal Rural de Pernambuco, Recife, Brazil
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Dailey-Chwalibóg T, Huneau JF, Mathé V, Kolsteren P, Mariotti F, Mostak MR, Alim MA, Khan MMST, Khan MAH, Guesdon B, Fouillet H. Weaning and stunting affect nitrogen and carbon stable isotope natural abundances in the hair of young children. Sci Rep 2020; 10:2522. [PMID: 32054911 PMCID: PMC7018826 DOI: 10.1038/s41598-020-59402-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 01/28/2020] [Indexed: 01/29/2023] Open
Abstract
Natural abundances of stable nitrogen and carbon isotopes (δ15N and δ13C) can vary with both dietary intake and metabolic (specifically catabolic) state. In low-income countries, weaning is a period of dietary transition from milk to plant-based foods and a high-risk period for malnutrition. We explored how diet and malnutrition impact hair δ15N and δ13C in young children by an observational, cross-sectional study in Cox’s Bazar District, Bangladesh [255 children, 6–59 months with 19.6% wasted (7.1% severely) and 36% stunted (9.8% severely)]. Hair δ15N and δ13C exhibited exponential decreases with age, with the loss of one trophic level (3.3‰ and 0.8‰, respectively) from 6 to 48 months, which we associate with the shift from exclusive breastfeeding to complete weaning. After adjustment for age and breastfeeding status, hair isotopic values were unaffected by wasting but lower in severe stunting (−0.45‰ to −0.6‰, P < 0.01). In this population of young children, whose isotopic values in hair primarily depended on age, we failed to observe any effect of wasting, likely due to opposite, compensating effects between dietary and metabolic changes involved. In contrast, we evidenced low δ15N and δ13C values in severely stunted children that likely indicate chronic exposure to diets low in animal products.
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Affiliation(s)
- Trenton Dailey-Chwalibóg
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, 75005, Paris, France.,Department of Food Technology, Safety and Health, Ghent University, Ghent, Belgium.,Department of Expertise and Advocacy, Action Contre la Faim (ACF), Paris, France
| | | | - Véronique Mathé
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, 75005, Paris, France
| | - Patrick Kolsteren
- Department of Food Technology, Safety and Health, Ghent University, Ghent, Belgium
| | - François Mariotti
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, 75005, Paris, France
| | - Md Rayhan Mostak
- Palli Karma-Sahayak Foundation (PKSF), Dhaka, Bangladesh.,Action Against Hunger (AAH), Dhaka, Bangladesh
| | - Md Abdul Alim
- National Nutrition Service (NNS), Institute of Public Health Nutrition (IPHN), Dhaka, Bangladesh
| | | | | | - Benjamin Guesdon
- Department of Expertise and Advocacy, Action Contre la Faim (ACF), Paris, France
| | - Helene Fouillet
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, 75005, Paris, France.
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