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Blackcurrant Anthocyanins Improve Blood Lipids and Biomarkers of Inflammation and Oxidative Stress in Healthy Women in Menopause Transition without Changing Body Composition. Biomedicines 2023; 11:2834. [PMID: 37893207 PMCID: PMC10604580 DOI: 10.3390/biomedicines11102834] [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: 09/01/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
Recent cell and animal studies suggest the potential of blackcurrants (BCs; Ribes nigrum) as a dietary agent that may reduce the risk of cardiovascular disease (CVD) by improving dyslipidemia, oxidative stress, and inflammation. This study aimed to examine the effects of BC anthocyanin (ACN) extract supplementation on biomarkers of CVD risk in healthy adult women in menopause transition. The effects of BC ACN supplementation on body composition, fasting blood lipids and biomarkers of inflammation and oxidative stress were evaluated using anthropometric measures and blood samples collected from a pilot randomized controlled clinical trial in peri- and early postmenopausal women. Thirty-eight eligible peri- and early postmenopausal women aged 45-60 completed the entire trial, in which they were randomly assigned into one of three treatment groups: placebo (control group), 392 mg/day (low BC group), or 784 mg/day (high BC group) for six months. The significance of differences in outcomes was tested using repeated-measures ANOVA. Overall, following six-month BC consumption, significantly decreased triglyceride (TG) levels were observed between treatment groups (p < 0.05) in a dose-dependent manner. Plasma interleukin-1β (IL-1β) was significantly reduced in a dose and time dependent manner (p < 0.05). Significant decreases in thiobarbituric acid reactive substances (TBARS) levels were also observed between treatment groups (p < 0.05) in a dose-dependent manner. Six-month change in oxidized LDL was inversely correlated with changes in catalase (CAT) and total antioxidant capacity (TAC) (p < 0.05), while C-reactive protein (hs-CRP) change was positively correlated with changes in TG and IL-1β (p < 0.01). Together, these findings suggest that daily BC consumption for six months effectively improved dyslipidemia, inflammation, and lipid peroxidation, thus potentially mitigating the risk of postmenopausal CVD development in study participants. Future studies with larger sample sizes and at-risk populations are warranted to confirm these findings.
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Childhood beverage intake and risk of hypertension and hyperlipidaemia in young adults. Int J Food Sci Nutr 2022; 73:954-964. [PMID: 35761780 PMCID: PMC9951226 DOI: 10.1080/09637486.2022.2091524] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 06/10/2022] [Accepted: 06/15/2022] [Indexed: 10/17/2022]
Abstract
An epidemiological analysis assessing beverage consumption and risk factors for cardiovascular disease was conducted. Participants were 9-16 years old at enrolment, completed food frequency questionnaires in 1996-2001 and self-reported outcomes in 2010-2014. Exclusion criteria included missing data on relevant variables and covariates, prevalent disease before 2005, and implausible/extreme weight or energy intake. Intakes of orange juice, apple/other fruit juice, sugar-sweetened beverages and diet soda were related to the risk of incident hypertension or hyperlipidaemia using Cox proportional hazards regression, adjusting for diet, energy intake, age, smoking, physical activity and body mass index. There were 9,043 participants with 618 cases of hypertension and 850 of hyperlipidaemia in 17 years of mean follow-up. Sugar-sweetened beverage intake but not fruit juice nor diet soda was associated with hypertension (hazard ratio (95% confidence interval): 1.16 (1.03, 1.31)) in males. This study can guide beverage consumption as it relates to early predictors of cardiovascular disease.
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Impact of coffee preparation on total phenolic content in brewed coffee extracts and their contribution to the body’s antioxidant status. Food Sci Biotechnol 2022; 31:1081-1088. [DOI: 10.1007/s10068-022-01100-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/17/2022] [Accepted: 05/04/2022] [Indexed: 11/24/2022] Open
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Urinary excretion of estrogenic chemicals following consumption of capsule coffee and French press coffee: A crossover study. Toxicol Rep 2022; 9:728-734. [PMID: 36518418 PMCID: PMC9742817 DOI: 10.1016/j.toxrep.2022.03.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 11/20/2022] Open
Abstract
Background Coffee brewed from capsules contain estrogenic chemicals (ECs) that may harm the reproductive system. However, there are no studies investigating whether consuming capsule coffee causes these ECs to present in urine. Objective Compare the effects of consuming capsule coffee vs. a plastic-free (French press) method on the appearance of ECs in urine. Methods Participants (n = 30) were randomized to consume 540 mL of capsule or French press coffee once, then switched and consumed the other coffee after washout. Urine samples were collected prior to consumption, at 6 h and 24 h. Coffee and urine samples were analyzed for nine ECs using ultra-performance liquid chromatography with tandem mass spectrometry: bisphenol A (BPA), bisphenol F (BPF), bisphenol S, di(2-ethylhexyl) phthalate (DEHP), benzophenone, 4-nonylphenol (4-NP), dibutyl phthalate, caprolactam and dimethyl terephthalate. Results In coffee samples, BPF (French press: 13.9 ng/mL, capsule: 16.1 ng/mL) and DEHP (capsule: 1.12 ng/mL) were present. In 6 h urine samples, the detection frequency for DEHP was 6.7% in capsule and 13.3% in French press coffee. BPF was detected in only one urine sample post-consumption. Conclusion Consuming capsule coffee did not increase urinary EC exposure compared to consuming French press coffee.
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Key Words
- 4-NP, 4-nonylphenol
- BP, benzophenone
- BPA, bisphenol A
- BPF, bisphenol F
- BPS, bisphenol S
- Capsule
- Coffee
- DBP, dibutyl phthalate
- DEHP, di(2-ethylhexyl) phthalate
- DMTP, dimethyl terephthalate
- EC, estrogenic chemical
- Estrogenic chemical
- HPLC, high-performance liquid chromatography
- Intervention
- LOD, limit of detection
- Plastic
- UPLC-MS/MS, ultra-performance liquid chromatography with tandem mass spectrometry
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The Association between Diet Quality and Health Status in Mobile Food Pantry Users in Northeastern Connecticut. Nutrients 2022; 14:nu14061302. [PMID: 35334959 PMCID: PMC8955894 DOI: 10.3390/nu14061302] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 12/20/2022] Open
Abstract
Low-income Americans tend to have poor diet quality and disease prevalence overall. Mobile food pantries aim to improve these outcomes, and have rarely been studied. This cross-sectional study aimed to evaluate the association between diet quality and health status in mobile food pantry users. Data were collected from two mobile food pantry sites in Northeastern Connecticut (n = 83). Sociodemographic food security and diet quality data were collected. Overall, diet quality was low among all participants with intakes of fruits, vegetables, and whole grains of concern. Participant adherence to the 2020−2025 US Dietary Guidelines were low, with no participants meeting recommendations for whole grains. Obesity, diabetes, and hypertension prevalence in this population exceeded national averages. After adjusting for covariates, hypertension was associated with higher dairy and added sugar intake, as well as a greater intake of added sugar from sugar-sweetened beverages (p < 0.05). Although results were not statistically significant, participants with obesity, diabetes, and hypertension showed a trend of having lower adherence to the guidelines than those without these chronic diseases. Questions assessing participant interest in changing their diets were also posed, indicating overall high interest in learning about current diet quality and weight improvement.
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Fruit juice and childhood obesity: a review of epidemiologic studies. Crit Rev Food Sci Nutr 2022; 63:6723-6737. [PMID: 35225098 DOI: 10.1080/10408398.2022.2044284] [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] [Indexed: 11/03/2022]
Abstract
Childhood obesity is a national epidemic, and many efforts have been made to understand its risk factors. The purpose of this review was to provide an updated account of the observational studies evaluating the relationship between 100% fruit juice intake and obesity in children and adolescents, and to highlight the major risk factors that may impact this relationship. PubMed and Scopus were searched for terms related to fruit juice and childhood obesity, and studies assessing 100% fruit juice intake in participants ≤ 19 years old, with obesity-related outcomes (BMI or adiposity), and published before March 9, 2021 were included. There were 17 prospective cohort and 14 cross-sectional studies included in the analysis. Overall, the evidence does not support a relationship between 100% fruit juice intake and measures of obesity in most children. There is some evidence to suggest a minor positive association in some overweight or very young children, but due to fundamental differences and limitations in methodology, further investigation is required. Significant gaps in literature on this topic exist particularly in regards to randomized clinical trials in children, and in studies in racially diverse populations.
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Nutrient Adequacy Is Associated with Reduced Mortality in US Adults. J Nutr 2021; 151:3214-3222. [PMID: 34383909 DOI: 10.1093/jn/nxab240] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/14/2021] [Accepted: 06/25/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Americans are underconsuming essential nutrients while overconsuming several nutrients, including sodium, saturated fat, and added sugars. Suboptimal nutrition may be linked with mortality risk; however, few studies have evaluated the associations of underconsumed and overconsumed nutrients in a comprehensive manner among the US population. OBJECTIVES This study investigated the association between nutrient intake through diet and mortality focusing on adequacy, moderation, and macronutrient quality in US adults. METHODS Based on the 1999-2010 NHANES, 20,602 adults aged ≥30 y were followed up until December 2015. Nutrient intake was assessed using a 1-d 24-h dietary recall. Adequacy of major underconsumed nutrients in the United States was evaluated using the RDA (percent of RDA) or Adequate Intake (percent of AI). Overconsumed nutrients for which moderation is needed were assessed based on various dietary recommendations. Macronutrient quality was evaluated using the ratio of carbohydrates to dietary fiber, essential amino acids, and EPA + DHA. The association between nutrient intake and mortality was evaluated using Cox proportional hazards regression analysis. RESULTS Higher intakes of vitamin E, magnesium, iron, dietary fiber, and potassium relative to the RDA/AI were associated with lower all-cause mortality. High intake of vitamin A (tertile 3: ≥80.1% of RDA) was associated with lower mortality from cardiovascular disease (CVD; HR: 0.75; 95% CI: 0.57, 0.99) and cancer (HR: 0.76; 95% CI: 0.62, 0.94), and high intake of calcium (tertile 3: ≥87.8% of RDA) was inversely associated with cancer mortality (HR: 0.72; 95% CI: 0.56, 0.93). Higher intakes of essential amino acids and EPA + DHA evaluated as quartiles were inversely associated with all-cause and CVD mortality. CONCLUSIONS These findings suggest that higher intakes of underconsumed nutrients and improving macronutrient quality are associated with lower risk of CVD and cancer deaths in US adults.
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Associations between fruit juice and milk consumption and change in BMI in a large prospective cohort of U.S. adolescents and preadolescents. Pediatr Obes 2021; 16:e12781. [PMID: 33648027 PMCID: PMC8355032 DOI: 10.1111/ijpo.12781] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 01/26/2021] [Accepted: 02/08/2021] [Indexed: 01/12/2023]
Abstract
BACKGROUND There are concerns that fruit juice and milk contribute to childhood obesity. OBJECTIVE Determine the relationship between fruit juice and milk intakes and body mass index (BMI) change among preadolescents/adolescents. METHODS Participants aged 9 to 16 years old from the Growing Up Today Study II completed surveys including validated food frequency questionnaires in 2004, 2006 and 2008. The contributions of one serving of juice or milk to total energy intake and 2-year change in BMI were evaluated using multiple linear regression. Additional analyses were conducted with subgroups of juice (orange juice and other fruit juice) and milk (low fat and high fat). Missing values for BMI were imputed using a multiple imputation approach, after which data from 8173 participants and 13 717 2-year interval observations were analysed. RESULTS Baseline fruit juice consumption was inversely associated with BMI change in girls (β = -.102 kg/m2 , SE = 0.038, P value = .008) but not boys after controlling for race, age, baseline BMI, and baseline and 2-year changes in total energy intake and physical activity. Orange juice was inversely associated with BMI change among girls (β = -.137 kg/m2 , SE = 0.053, P value = .010) while other fruit juice, low fat and high fat milk were not associated with BMI change. CONCLUSION Orange juice was inversely associated with 2-year BMI change among preadolescent/adolescent girls but not boys and there were no significant associations with other juices or milk among either gender.
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Estrogenic activity of capsule coffee using the VM7Luc4E2 assay. Curr Res Toxicol 2021; 2:210-216. [PMID: 34345863 PMCID: PMC8320625 DOI: 10.1016/j.crtox.2021.05.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 05/06/2021] [Accepted: 05/13/2021] [Indexed: 11/28/2022] Open
Abstract
Coffee brewed from capsule machines may contain estrogenic chemicals migrated from plastic, but the estrogenic activity of capsule coffee has not been evaluated. This study evaluated the estrogenic activity of capsule coffee using the VM7Luc4E2 estrogen receptor transcriptional activation assay. Estrogenic potentials of six capsule coffee samples were calculated using relative maximum amplitude response of E2 (>15%RME2 indicative of estrogenic activity) and estradiol equivalent factor (EEF). Estrogenic chemical content was determined using ultra-performance liquid chromatography with tandem mass spectrometry. All capsule coffee samples possessed estrogenic activity (48-56%RME2). EEFs were 6-7 orders of magnitude lower than that of E2, (1.2 × 10-7-1.7 × 10-6), indicating substantially weaker estrogenic potencies. Bisphenol A, bisphenol F, benzophenone, 4-nonylphenol, dibutyl phthalate, and dimethyl terephthalate were detected in capsule coffee. Capsule coffee exhibited estrogenic activity in vitro, and its estrogenic chemical content is likely driving its estrogenicity, warranting further investigations to fully understand the degree to which they are related and to predict the estrogenic potential based on the concentration of estrogenic chemicals.
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Key Words
- 4-NP, 4-nonylphenol
- BP, benzophenone
- BPA, bisphenol A
- BPF, bisphenol F
- BPS, bisphenol S
- Capsule
- Coffee
- DBP, dibutyl phthalate
- E2, 17β-estradiol
- EEF, estradiol equivalent factor
- EEQ, estradiol equivalent concentration
- Estrogen
- Estrogenic activity
- HPLC, high-performance liquid chromatography
- Plastic
- RLU, relative luminescence units
- RME2, relative maximum amplitude response of E2
- UPLC-MS/MS, ultra-performance liquid chromatography with tandem mass spectrometry
- bisphenol A
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Diet Quality, Nutritional Adequacy, and Sociodemographic Characteristics of Mobile Food Pantry Users in Northeastern Connecticut. Nutrients 2021; 13:nu13041099. [PMID: 33801729 PMCID: PMC8066595 DOI: 10.3390/nu13041099] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/16/2021] [Accepted: 03/26/2021] [Indexed: 11/16/2022] Open
Abstract
Poor diet quality among low-income populations is a major contributing factor to their poor health and wellbeing, and thus is a focus of many government aid programs. Mobile food pantries are an increasingly popular method of emergency food assistance, targeting the communities most affected by food insecurity; however, little is known about the dietary characteristics of mobile food pantry users. This study aims to characterize the diet quality and nutrient adequacy level and examine its association with sociodemographic characteristics among mobile food pantry users in Windham County, Connecticut. Surveys to assess food insecurity, diet composition, and sociodemographic characteristics were administered to 83 adult food pantry users. Participants (n = 40) completed a three-day dietary record for analysis of diet quality, and were found to have inadequate intakes of fruits, vegetables, whole grains and dairy, as well as some related micronutrients. At least 30% of participants had intakes below the Estimated Average Requirement (EAR) for vitamins A, C, E, calcium, zinc, magnesium, and folate. Intakes of added sugar, sugar sweetened beverages, and saturated fat were also above recommendations according to the United States Dietary Guidelines. Certain sociodemographic factors affected diet quality among this sample. For example, being male was associated with increased sugar-sweetened beverage and added sugar intake. This characterization of mobile pantry users will serve as a reference for developing nutrition education and determining the effectiveness of future interventions.
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Anthocyanins, Microbiome and Health Benefits in Aging. Molecules 2021; 26:537. [PMID: 33494165 PMCID: PMC7864342 DOI: 10.3390/molecules26030537] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/09/2021] [Accepted: 01/19/2021] [Indexed: 02/07/2023] Open
Abstract
The percentage of individuals over the age of 60 is projected to reach 22% by 2050; chronic diseases associated with aging can present challenges for these individuals. Anthocyanins and the gut microbiome have each been studied as independent influencers of health. Both these factors have shown to have a positive effect on cardiovascular and bone health in individuals, as well as on the prevention or treatment of certain forms of cancers. Anthocyanins have shown to modulate the composition of the gut microbiome and may have overlapping mechanisms in the prevention and treatment of cardiovascular disease, cancer, neurodegenerative disorders and aging-associated bone loss. These health outcomes are responsible for the hospitalization and deaths of millions of Americans every year and they cost the United States billions of dollars each year to maintain, prevent and treat. Alternative methods of treatment and prevention are desired since conventional methods (surgical and pharmacological methods, physical therapy, etc.) can be costly and have significant side effects; evidence suggests that anthocyanins and the gut microbiome may be potential avenues for this. This review evaluates the findings of existing literature on the role of anthocyanins and the gut microbiome on health and their potential as a natural therapeutic agent or a target organ to provide an alternative to the conventional methods of disease prevention and treatment.
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Evaluation of estrogenic chemicals in capsule and French press coffee using ultra-performance liquid chromatography with tandem mass spectrometry. Toxicol Rep 2020; 7:1020-1024. [PMID: 32874926 PMCID: PMC7451997 DOI: 10.1016/j.toxrep.2020.08.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/11/2020] [Accepted: 08/17/2020] [Indexed: 12/26/2022] Open
Abstract
Liquid chromatography with tandem mass spectrometry detected estrogenic chemicals in coffee. The potential risk to health is likely to be low relative to established guidelines. Future studies should evaluate the health risk from chronic coffee consumption.
The objective of this study was to examine exposure to estrogenic chemicals (ECs) via capsule coffee. Twenty-two brands of capsule coffee and 15 brands of French press coffee for comparison were brewed, and their contents of ECs were identified and quantified using ultra-performance liquid chromatography with tandem mass spectrometry. Exposure to ECs in coffee were compared to tolerable daily intake guidelines to assess potential hazard to health. Benzophenone was the most frequently detected EC in capsule coffee (mean concentration ± SD: 20.37 ± 47.07 ng/mL, n = 6), followed by bisphenol A (BPA, 0.31 ± 0.71, n = 4), dibutyl phthalate (1.41 ± 3.58, n = 3), 4-nonylphenol (0.67 ± 1.82, n = 3) and bisphenol F (BPF, 0.49 ± 1.54, n = 2). BPA and BPF were each detected in 3 French press coffee samples (0.29 ± 0.58 and 0.85 ± 1.75 ng/mL, respectively). Two French press coffee brands purchased as ground coffee rather than whole bean were positive for ECs (BPA in one and BPF in both). Hazard indexes were below 1.0 for each EC for both coffee types. These results indicate that there is EC contamination in capsule and French press coffee, but the quantities of ECs are low relative to established safety guidelines.
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Key Words
- -, not detected
- 4-NP, 4-nonyphenol
- BP, benzophenone
- BPA, bisphenol A
- BPF, bisphenol F
- BPS, bisphenol S
- Bisphenol A
- Capsule
- Coffee
- DBP, dibutyl phthalate
- DEHP, di(2-ethylhexyl) phthalate
- DMTP, dimethyl terephthalate
- EC, estrogenic chemical
- EDI, estimated daily intake
- Estrogenic chemical
- HI, hazard index
- HPLC, high-performance liquid chromatography
- MDL, method detection limit
- MQL, method quantification limit
- Phthalate
- Plasticizer
- SD, standard deviation
- TDI, tolerable daily intake
- UPLC-MS/MS, ultra-performance liquid chromatography with tandem mass spectrometry
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Relative Validity of Dietary Total Antioxidant Capacity for Predicting All-Cause Mortality in Comparison to Diet Quality Indexes in US Adults. Nutrients 2020; 12:E1210. [PMID: 32344879 PMCID: PMC7282024 DOI: 10.3390/nu12051210] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/12/2020] [Accepted: 04/22/2020] [Indexed: 01/17/2023] Open
Abstract
While traditionally diet quality index scores (DQIS) as noted later in this abstract have been used to predict health outcomes, dietary total antioxidant capacity (TAC), a useful tool for assessing total antioxidant power in the diet, may also be a novel predictor. This study evaluated the associations between dietary TAC and DQIS and all-cause mortality. Based on the National Health and Nutrition Examination Survey (NHANES) 1988-1994 and 1999-2006, 23,797 US adults were followed-up until 2015. Dietary TAC and DQIS including the Healthy Eating Index-2015 (HEI-2015), Alternative Healthy Eating Index-2010 (AHEI-2010), alternate Mediterranean Diet (aMED), and Dietary Approaches to Stop Hypertension (DASH) were calculated using a 1-day 24 h dietary recall. US adults in the highest quintiles of DQIS had lower rates of all-cause mortality compared to those in the lowest quintiles (HEI-2015 hazard ratio (HR): 0.87, 95% confidence interval (CI): 0.77-0.98; AHEI-2010 HR: 0.84, 95% CI: 0.74-0.94; aMED HR: 0.79, 95% CI: 0.69-0.90; DASH HR: 0.80, 95% CI: 0.70-0.92). Similarly, those in the highest quintile of dietary TAC also had a lower all-cause mortality than those in the lowest quintile (HR: 0.88, 95% CI: 0.79-0.98). These findings suggest that dietary TAC might be a relatively valid predictor of all-cause mortality in the US population compared to the DQIS.
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Association between Urinary Cadmium to Zinc Intake Ratio with Adult Mortality in a Follow-Up Study of NHANES 1988-1994 and 1999-2004. Nutrients 2019; 12:E56. [PMID: 31878194 PMCID: PMC7019386 DOI: 10.3390/nu12010056] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/18/2019] [Accepted: 12/19/2019] [Indexed: 02/07/2023] Open
Abstract
Cadmium (Cd) is a toxic heavy metal associated with increased mortality, but the effect of zinc (Zn) intake on the association between Cd and mortality is unknown. The objective of this study was to examine the association of urinary Cd to Zn intake ratio (Cd/Zn ratio) and mortality risk. In total, 15642 US adults in NHANES 1988-1994 and 1999-2004 were followed until 2011 (15-year mean follow-up). Of the 5367 total deaths, 1194 were attributed to cancer and 1677 were attributed to CVD. After adjustment for potential confounders, positive associations were observed between urinary Cd and all-cause mortality (HR for highest vs. lowest quartile: 1.38; 95% CI: 1.14-1.68) and cancer mortality (HR: 1.54; CI: 1.05-2.27). Urinary Cd was positively associated with cancer mortality among the lowest Zn consumers, and the association diminished among the highest Zn consumers. Positive relationships were observed between the Cd/Zn ratio and all-cause mortality (HR: 1.54; CI: 1.23-1.93), cancer mortality (HR: 1.65; CI: 1.11-2.47) and CVD mortality (HR: 1.49; CI: 1.18-1.88). In conclusion, these findings indicate that Zn intake may modify the association between Cd and mortality. Furthermore, the Cd/Zn ratio, which was positively associated with mortality from all causes, cancer, and CVD, may be an important predictor of mortality.
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