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https://www.readbyqxmd.com/read/28817083/comparison-of-australian-recommended-food-score-arfs-and-plasma-carotenoid-concentrations-a-validation-study-in-adults
#1
Lee Ashton, Rebecca Williams, Lisa Wood, Tracy Schumacher, Tracy Burrows, Megan Rollo, Kristine Pezdirc, Robin Callister, Clare Collins
Diet quality indices can predict nutritional adequacy of usual intake, but validity should be determined. The aim was to assess the validity of total and sub-scale score within the Australian Recommended Food Score (ARFS), in relation to fasting plasma carotenoid concentrations. Diet quality and fasting plasma carotenoid concentrations were assessed in 99 overweight and obese adults (49.5% female, aged 44.6 ± 9.9 years) at baseline and after three months (198 paired observations). Associations were assessed using Spearman's correlation coefficients and regression analysis, and agreement using weighted kappa (Kw)...
August 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28723378/dietary-antioxidants-and-longitudinal-changes-in-lower-urinary-tract-symptoms-in-elderly-men-the-osteoporotic-fractures-in-men-study
#2
Kathleen F Holton, Lynn M Marshall, Jackilen Shannon, Jodi A Lapidus, James M Shikany, Douglas C Bauer, Elizabeth Barrett-Connor, J Kellogg Parsons
BACKGROUND: Antioxidants can potentially alter the progression of lower urinary tract symptoms (LUTS) through anti-inflammatory mechanisms. OBJECTIVE: To determine if dietary antioxidants are associated with reduced likelihood of LUTS progression or increased likelihood of LUTS remission in untreated elderly men. DESIGN, SETTING, AND PARTICIPANTS: A prospective cohort study of 1670 US men aged 65-100 yr. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Baseline variables included the American Urological Association Symptom Index, dietary intake assessed via a 69-item Block food frequency questionnaire (FFQ), demographics, lifestyle characteristics, quality of life (SF-12), and medication use...
August 2016: European Urology Focus
https://www.readbyqxmd.com/read/28704419/a-pilot-feeding-study-for-adults-with-asthma-the-healthy-eating-better-breathing-trial
#3
Emily P Brigham, Elizabeth C Matsui, Lawrence J Appel, Deborah A Bull, Jean Curtin-Brosnan, Shuyan Zhai, Karen White, Jeanne B Charleston, Nadia N Hansel, Gregory B Diette, Meredith C McCormack
RATIONALE: Evidence from observational studies and to a lesser extent clinical trials suggest that a healthy diet may improve symptoms and lung function in patients with asthma. We conducted a pilot study to determine the feasibility of conducting a larger scale dietary trial and to provide preliminary evidence on the impact of a healthy diet on asthma outcomes. METHODS: In a randomized, two period cross-over trial, participants with asthma received a 4-week dietary intervention followed by a usual diet (or vice versa), separated by a 4-week washout...
2017: PloS One
https://www.readbyqxmd.com/read/28696106/carotenoids-and-carotenoid-esters-of-red-and-yellow-physalis-physalis-alkekengi-l-and-p-pubescens-l-fruits-and-calyces
#4
COMPARATIVE STUDY
Xin Wen, Judith Hempel, Ralf M Schweiggert, Yuanying Ni, Reinhold Carle
Carotenoid profiles of fruits and calyces of red (Physalis alkekengi L.) and yellow (P. pubescens L.) Physalis were characterized by HPLC-DAD-APCI-MS(n). Altogether 69 carotenoids were detected in red Physalis, thereof, 45 were identified. In yellow Physalis, 40 carotenoids were detected and 33 were identified. Zeaxanthin esters with various fatty acids were found to be the most abundant carotenoids in red Physalis, accounting for 51-63% of total carotenoids, followed by β-cryptoxanthin esters (16-24%). In yellow Physalis, mainly free carotenoids such as lutein and β-carotene were found...
August 2, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28689061/%C3%AE-cryptoxanthin-ameliorates-metabolic-risk-factors-by-regulating-nf-%C3%AE%C2%BAb-and-nrf2-pathways-in-insulin-resistance-induced-by-high-fat-diet-in-rodents
#5
Kazim Sahin, Cemal Orhan, Fatih Akdemir, Mehmet Tuzcu, Nurhan Sahin, Ismet Yılmaz, Vijaya Juturu
The aim of this experiment was to determine the effects of β-cryptoxanthin (BCX) on the cardiometabolic health risk factors and NF-κB and Nrf2 pathway in insulin resistance induced by high-fat diet (HFD) in rodents. Twenty-eight Sprague-Dawley rats were allocated into four groups: (1) Control, rats fed a standard diet for 12 weeks; (2) BCX, rats fed a standard diet and supplemented with BCX (2.5 mg/kg BW) for 12 weeks; (3) HFD, rats fed a HFD for 12 weeks, (4) HFD + BCX, rats fed a HFD and supplemented with BCX for 12 weeks...
September 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28688921/plasma-retinol-concentration-is-mainly-driven-by-transthyretin-in-hemodialysis-patients
#6
Stanislas Bataille, Jean-François Landrier, Julien Astier, Sylvie Cado, Jérôme Sallette, Marianne Serveaux, Stéphane Burtey, Julien Cohen, Charlène Tournier, Franck Tourniaire, Patrice Darmon
OBJECTIVE: Micronutrients deficiencies in hemodialysis patients are due to low dietary intakes and intradialytic losses for hydrophilic micronutrients. Conversely, lipophilic nondialyzable compounds might accumulate because of a lack of elimination through renal metabolism or dialysis. Other compounds have complex metabolism: their concentration is not explained by these phenomenons. The aim of this study was to report plasma concentrations of lipophilic micronutrients in hemodialysis patients and to analyze if these concentrations were predictive of mortality...
July 6, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28674255/amelioration-of-the-development-of-osteoarthritis-by-daily-intake-of-%C3%AE-cryptoxanthin
#7
Gyujin Park, Tetsuhiro Horie, Kazuya Fukasawa, Kakeru Ozaki, Yuki Onishi, Takashi Kanayama, Takashi Iezaki, Katsuyuki Kaneda, Minoru Sugiura, Eiichi Hinoi
β-Cryptoxanthin, which is primarily obtained from citrus fruits such as Satsuma mandarins, is a major carotenoid routinely found in human serum. Recently, we demonstrated that daily oral intake of β-cryptoxanthin prevented ovariectomy-induced bone loss and ameliorated neuropathic pain in mice. Although β-cryptoxanthin exerts preventive effects on various lifestyle-related diseases, there have been no studies on the effect of β-cryptoxanthin on the development of osteoarthritis, the most common degenerative joint disease, which frequently leads to loss of ability and stiffness in the elderly...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28651681/no-influence-of-supplemental-dietary-calcium-intake-on-the-bioavailability-of-spinach-carotenoids-in-humans
#8
RANDOMIZED CONTROLLED TRIAL
Joana Corte-Real, Cédric Guignard, Manon Gantenbein, Bernard Weber, Kim Burgard, Lucien Hoffmann, Elke Richling, Torsten Bohn
Dietary carotenoid intake, especially from fruits and vegetables, has been associated with a reduced incidence of several chronic diseases. However, its bioavailability can vary, depending on the food matrix and host factors. Recently, it has been suggested that divalent minerals negatively impinge on carotenoid bioavailability by reducing bile-salt and non-esterified fatty-acid levels in the gut, which normally aid in emulsifying carotenoids. The aim of the present study was to investigate whether supplemental Ca would negatively influence carotenoid absorption in humans...
June 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28646243/provitamin-a-carotenoids-from-an-engineered-high-carotenoid-maize-are-bioavailable-and-zeaxanthin-does-not-compromise-%C3%AE-carotene-absorption-in-poultry
#9
Joana Díaz-Gómez, Jose A Moreno, Eduardo Angulo, Gerhard Sandmann, Changfu Zhu, Teresa Capell, Carmina Nogareda
High-carotenoid (HC) maize, a biofortified staple crop which accumulates β-carotene, β-cryptoxanthin, lutein and zeaxanthin, was used as a feed component in a chicken feeding trial to assess the bioavailability of provitamin A (PVA) carotenoids in the kernel matrix compared to the synthetic and natural color additives routinely used in the poultry industry. We found that the PVA carotenoids in HC maize were not metabolized in the same manner: β-carotene was preferentially converted into retinol in the intestine whereas β-cryptoxanthin accumulated in the liver...
June 23, 2017: Transgenic Research
https://www.readbyqxmd.com/read/28615062/metabolic-and-transcriptional-elucidation-of-the-carotenoid-biosynthesis-pathway-in-peel-and-flesh-tissue-of-loquat-fruit-during-on-tree-development
#10
Margarita Hadjipieri, Egli C Georgiadou, Alicia Marin, Huertas M Diaz-Mula, Vlasios Goulas, Vasileios Fotopoulos, Francisco A Tomás-Barberán, George A Manganaris
BACKGROUND: Carotenoids are the main colouring substances found in orange-fleshed loquat fruits. The aim of this study was to unravel the carotenoid biosynthetic pathway of loquat fruit (cv. 'Obusa') in peel and flesh tissue during distinct on-tree developmental stages through a targeted analytical and molecular approach. RESULTS: Substantial changes regarding colour parameters, both between peel and flesh and among the different developmental stages, were monitored, concomitant with a significant increment in carotenoid content...
June 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28605870/foraging-in-maize-field-areas-a-risky-business
#11
Monique Boily, Philippe Aras, Catherine Jumarie
In Quebec, Canada, the cultivation of maize dominates the agricultural territory. This crop requires a sustained supply of fertilizers from different sources: chemical, natural or from residual materials (sludge). These amendments contain metallic trace elements, which may lead to metal-contaminated maize pollen, a possible source of prooxidants for the foraging bees. Our objective was to determine whether maize fields environment influences the oxidation processes and the accumulation of metals in bees. A few days prior to pollen shedding, beehives were installed in maize fields: one organically grown (site A) and three conventionally grown (sites B, C and D)...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28605127/serum-carotenoids-and-colorectal-cancer-risk-a-case-control-study-in-guangdong-china
#12
Jing Huang, Min-Shan Lu, Yu-Jing Fang, Ming Xu, Wu-Qing Huang, Zhi-Zhong Pan, Yu-Ming Chen, Cai-Xia Zhang
SCOPE: Previous epidemiological studies on the association between circulating carotenoids and the risk of colorectal cancer drew inconclusive conclusions. This study aimed to examine serum carotenoids in relation to colorectal cancer risk in a Chinese population. METHODS AND RESULTS: One case-control study beginning from July 2010, consecutively recruited 538 eligible colorectal cancer cases and 564 age (5-year interval) and sex frequency-matched controls. Serum levels of α-carotene, β-carotene, β-cryptoxanthin, lycopene and lutein/ zeaxanthin were detected by HPLC...
June 12, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28587685/carotenoid-dietary-intakes-and-plasma-concentrations-are-associated-with-heel-bone-ultrasound-attenuation-and-osteoporotic-fracture-risk-in-the-european-prospective-investigation-into-cancer-and-nutrition-epic-norfolk-cohort
#13
Richard P G Hayhoe, Marleen A H Lentjes, Angela A Mulligan, Robert N Luben, Kay-Tee Khaw, Ailsa A Welch
Carotenoids are found in abundance in fruit and vegetables, and may be involved in the positive association of these foods with bone health. This study aimed to explore the associations of dietary carotenoid intakes and plasma concentrations with bone density status and osteoporotic fracture risk in a European population. Cross-sectional analyses (n 14 803) of bone density status, using calcaneal broadband ultrasound attenuation (BUA) and longitudinal analyses (n 25 439) of fracture cases were conducted on data from the prospective European Prospective Investigation into Cancer and Nutrition-Norfolk cohort of middle-aged and older men and women...
May 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28551247/identification-and-quantitative-analysis-of-%C3%AE-cryptoxanthin-and-%C3%AE-citraurin-esters-in-satsuma-mandarin-fruit-during-the-ripening-process
#14
Gang Ma, Lancui Zhang, Kohei Iida, Yuki Madono, Witchulada Yungyuen, Masaki Yahata, Kazuki Yamawaki, Masaya Kato
In this study, to investigate the xanthophyll accumulation in citrus fruits, the major fatty acid esters of β-cryptoxanthin and β-citraurin were identified, and changes in their contents were investigated in two Satsuma mandarin varieties, 'Miyagawa-wase' and 'Yamashitabeni-wase', during the ripening process. The results showed that β-cryptoxanthin and β-citraurin were mainly esterified with lauric acid, myristic acid, and palmitic acid in citrus fruits. During the ripening process, β-cryptoxanthin laurate, myristate, and palmitate were accumulated gradually in the flavedos and juice sacs of the two varieties...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28544535/%C3%AE-cryptoxanthin-exerts-greater-cardioprotective-effects-on-cardiac-ischemia-reperfusion-injury-than-astaxanthin-by-attenuating-mitochondrial-dysfunction-in-mice
#15
Wanpitak Pongkan, Osamu Takatori, Yinhua Ni, Liang Xu, Naoto Nagata, Siriporn C Chattipakorn, Soichiro Usui, Shuichi Kaneko, Masayuki Takamura, Minoru Sugiura, Nipon Chattipakorn, Tsuguhito Ota
SCOPE: β-Cryptoxanthin and astaxanthin are antioxidant carotenoid pigments that inhibit lipid peroxidation as potently as vitamin E. We hypothesized that acute treatment with β-cryptoxanthin and astaxanthin causes similar reductions in the sizes of cardiac infarcts caused by ischemia-reperfusion (I/R) injury by attenuating oxidative stress and cardiac mitochondrial dysfunction. METHODS AND RESULTS: C57BL/6 mice (n = 36) were randomized to receive vehicle, β-cryptoxanthin, astaxanthin or vitamin E at 50 mg/kg by gavage feeding prior to I/R injury...
May 20, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28529085/variations-in-native-protein-glycation-and-plasma-antioxidants-in-several-birds-of-prey
#16
Tana Ingram, Jessica Zuck, Chad R Borges, Patrick Redig, Karen L Sweazea
Birds are an anomaly among vertebrates as they are remarkably long-lived despite having naturally high blood glucose and metabolic rates. For mammals, hyperglycemia leads to oxidative stress and protein glycation. In contrast, many studies have shown that domestic and wild birds are relatively resistant to these glucose-mediated pathologies. Surprisingly very little research has examined protein glycation in birds of prey, which by nature consume a diet high in protein and fat that promotes gluconeogenesis...
August 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28527371/lutein-exerts-anti-inflammatory-effects-in-patients-with-coronary-artery-disease
#17
Rosanna W S Chung, Per Leanderson, Anna K Lundberg, Lena Jonasson
BACKGROUND AND AIMS: Many coronary artery disease (CAD) patients exhibit chronic low-grade inflammation. Carotenoids are anti-oxidants with potential anti-inflammatory properties. Here, we first assessed relationships between interleukin (IL)-6 and individual carotenoids in plasma from CAD patients. Based on the results, we proceeded to assess anti-inflammatory effects of one carotenoid, lutein, in peripheral blood mononuclear cells (PBMCs) from CAD patients. METHODS: Lutein + zeaxanthin (isomers with lutein being dominant), β-cryptoxanthin, lycopene, α- and β-carotene and IL-6 were measured in plasma from 134 patients with stable angina (SA) and 59 patients with acute coronary syndrome...
May 6, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28520939/dietary-intake-of-antioxidant-vitamins-and-carotenoids-and-risk-of-developing-active-tuberculosis-in-a-prospective-population-based-cohort
#18
Avril Z Soh, Cynthia B E Chee, Yee-Tang Wang, Jian-Min Yuan, Woon-Puay Koh
Antioxidants may protect against oxidative stress, which is associated with tuberculosis disease. However, direct evidence for the protective association between dietary antioxidants and tuberculosis incidence in humans has been lacking. The relation between intake of antioxidant vitamins (A, C, D, E) and individual carotenoids (α-carotene, β-carotene, β-cryptoxanthin, lycopene, lutein) and tuberculosis incidence was examined in the Singapore Chinese Health Study, a prospective cohort of 63,257 adults 45-74 years old enrolled during 1993-1998...
May 18, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28515376/carotenoids-of-red-brown-and-black-specimens-of-plectropomus-leopardus-the-coral-trout-suziara-in-japanese
#19
Takashi Maoka, Wataru Sato, Hidetada Nagai, Toshiyuki Takahashi
This study investigated the carotenoids occurring in the integument of Plectropomus leopardus, the coral trout. For a red specimen, the major carotenoids included astaxanthin diester and monoester, as well as α-cryptoxanthin ester, tunaxanthin diester, adonixanthin diester, adonirubin ester, and adonirubin; for brown and black specimens, tunaxanthin diester was the main carotenoid. (1)H-NMR and MS spectral analyses showed that docosahexaenoic acid was the sole fatty acid esterified with xanthophylls in the coral trout...
May 17, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28490387/serum-carotenoid-and-retinol-levels-in-african-caribbean-tobagonian-men-with-high-prostate-cancer-risk-in-comparison-with-african-american-men
#20
Alicia C McDonald, Clareann H Bunker, Jay Raman, John Richie, Alan L Patrick
Black men are known to have a higher risk for prostate cancer (PC). Carotenoids and retinol, linked to PC, have not been compared in different black populations at risk. We examined serum carotenoid and retinol levels between PC-free African-Caribbean (AC) Tobagonian men with a high PC risk (high-grade prostatic intraepithelial neoplasia, atypical foci or repeated abnormal PC screenings) and African-American (AA) men with elevated serum prostate-specific antigen (PSA) levels (≥4 ng/ml). AC men who participated in the 2003 lycopene clinical trial and AA men who participated in the 2001-2006 National Health and Nutrition Examination Survey were compared...
April 2017: British Journal of Nutrition
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