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https://www.readbyqxmd.com/read/28333357/dietary-patterns-foods-and-nutrients-in-male-fertility-parameters-and-fecundability-a-systematic-review-of-observational-studies
#1
Albert Salas-Huetos, Mònica Bulló, Jordi Salas-Salvadó
BACKGROUND: Infertility is a global public health issue, affecting 15% of all couples of reproductive age. Male factors, including decreased semen quality, are responsible for ~25% of these cases. The dietary pattern, the components of the diet and nutrients have been studied as possible determinants of sperm function and/or fertility. OBJECTIVE AND RATIONALE: Previous systematic reviews have been made of the few heterogeneous low-quality randomized clinical trials (RCTs) conducted in small samples of participants and investigating the effect of specific nutrients and nutritional supplements on male infertility...
March 10, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28317608/food-processing-antioxidants
#2
F J Hidalgo, R Zamora
Food processing has been carried out since ancient times as a way to preserve and improve food nutritional and organoleptic properties. Although it has some undesirable consequences, such as the losses of some nutrients and the potential formation of toxic compounds, a wide range of benefits can be enumerated. Among them, the increased total antioxidant capacity of many processed foods has been known for long. This consequence has been related to both the release or increased availability of natural antioxidants and the de novo formation of substances with antioxidant properties as a consequence of the produced reactions...
2017: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/28314621/docosahexaenoic-acid-dha-an-essential-nutrient-and-a-nutraceutical-for-brain-health-and-diseases
#3
REVIEW
Grace Y Sun, Agnes Simonyi, Kevin L Fritsche, Dennis Y Chuang, Mark Hannink, Zezong Gu, C Michael Greenlief, Jeffrey K Yao, James C Lee, David Q Beversdorf
Docosahexaenoic acid (DHA), a polyunsaturated fatty acid (PUFA) enriched in phospholipids in the brain and retina, is known to play multi-functional roles in brain health and diseases. While arachidonic acid (AA) is released from membrane phospholipids by cytosolic phospholipase A2 (cPLA2), DHA is linked to action of the Ca(2+)-independent iPLA2. DHA undergoes enzymatic conversion by 15-lipoxygenase (Alox 15) to form oxylipins including resolvins and neuroprotectins, which are powerful lipid mediators. DHA can also undergo non-enzymatic conversion by reacting with oxygen free radicals (ROS), which cause the production of 4-hydoxyhexenal (4-HHE), an aldehyde derivative which can form adducts with DNA, proteins and lipids...
March 10, 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28303046/antioxidant-activity-and-polyphenolic-compound-stability-of-lentil-orange-peel-powder-blend-in-an-extrusion-process
#4
Rahul P Rathod, Uday S Annapure
Lentil contains substantial amount of protein, carbohydrate, fibre and other nutrients and orange peels powder rich in carbohydrate and fiber content The present study was aimed to investigate the effects of extrusion processing parameter on the level of total phenolic content (TPC), total flavonoid content (TFC), total tannin content and antioxidant activity of lentil-orange peel powder blend, also to investigate the possibility of blend as a candidate for production of protein rich extruded product by using response surface methodology...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28303042/effect-of-dehulling-germination-and-cooking-on-nutrients-anti-nutrients-fatty-acid-composition-and-antioxidant-properties-in-lentil-lens-culinaris
#5
R S Pal, Anuradha Bhartiya, Pradhuman Yadav, Lakshmi Kant, K K Mishra, J P Aditya, A Pattanayak
The changes in chemical composition, antioxidant activity and fatty acid composition of lentil flour after dehulling, germination and cooking of seeds were investigated. Dehulling showed no significant effect on protein content, however, protein content decreased in most of the varieties after germination and cooking. Total soluble sugars (TSS) content increased significantly after dehulling (2.0-41.64 %) and cooking (2.08-31.07 %) whereas, germination had no significant effect on TSS content. Total lipids increased significantly after dehulling (21...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28301692/vitamin-c-supplementation-for-the-primary-prevention-of-cardiovascular-disease
#6
REVIEW
Lena Al-Khudairy, Nadine Flowers, Rebecca Wheelhouse, Obadah Ghannam, Louise Hartley, Saverio Stranges, Karen Rees
BACKGROUND: Vitamin C is an essential micronutrient and powerful antioxidant. Observational studies have shown an inverse relationship between vitamin C intake and major cardiovascular events and cardiovascular disease (CVD) risk factors. Results from clinical trials are less consistent. OBJECTIVES: To determine the effectiveness of vitamin C supplementation as a single supplement for the primary prevention of CVD. SEARCH METHODS: We searched the following electronic databases on 11 May 2016: the Cochrane Central Register of Controlled Trials (CENTRAL) in the Cochrane Library; MEDLINE (Ovid); Embase Classic and Embase (Ovid); Web of Science Core Collection (Thomson Reuters); Database of Abstracts of Reviews of Effects (DARE); Health Technology Assessment Database and Health Economics Evaluations Database in the Cochrane Library...
March 16, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28298268/effects-of-dietary-flavonoids-on-reverse-cholesterol-transport-hdl-metabolism-and-hdl-function
#7
REVIEW
Courtney L Millar, Quinn Duclos, Christopher N Blesso
Strong experimental evidence confirms that HDL directly alleviates atherosclerosis. HDL particles display diverse atheroprotective functions in reverse cholesterol transport (RCT), antioxidant, anti-inflammatory, and antiapoptotic processes. In certain inflammatory disease states, however, HDL particles may become dysfunctional and proatherogenic. Flavonoids show the potential to improve HDL function through their well-documented effects on cellular antioxidant status and inflammation. The aim of this review is to summarize the basic science and clinical research examining the effects of dietary flavonoids on RCT and HDL function...
March 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28293290/nitrogen-starvation-induced-cellular-crosstalk-of-ros-scavenging-antioxidants-and-phytohormone-enhanced-the-biofuel-potential-of-green-microalga-acutodesmus-dimorphus
#8
Kaumeel Chokshi, Imran Pancha, Arup Ghosh, Sandhya Mishra
BACKGROUND: Microalgae accumulate a considerable amount of lipids and carbohydrate under nutrient-deficient conditions, which makes them one of the promising sustainable resources for biofuel production. In the present study, to obtain the biomass with higher lipid and carbohydrate contents, we implemented a short-term nitrogen starvation of 1, 2, and 3 days in a green microalga Acutodesmus dimorphus. Few recent reports suggest that oxidative stress-tolerant microalgae are highly efficient for biofuel production...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28293041/association-of-socioeconomic-stratification-with-plasmatic-markers-of-lipoperoxidation-and-antioxidants-in-venezuelan-school-age-children
#9
Nelina Ruiz-Fernández, Virgilio Bosch, Maria Isabel Giacopini
OBJETIVE: To establish association between socioeconomic status and plasmatic markers of lipoperoxidation and antioxidants in Venezuelan school-age children from the middle-class and in critical poverty. METHODS: Cross-sectional study with a sample of 114 school-age children (aged 7-9). The socioeconomic status, dietary intake of macro and micro-nutrients, weight, height, lipid profile, indicators of lipid peroxidation and enzymatic and non-enzymatic antioxidants were determined...
December 30, 2016: Colombia Médica: CM
https://www.readbyqxmd.com/read/28291806/effects-of-silicon-on-oryza-sativa-l-seedling-roots-under-simulated-acid-rain-stress
#10
Shuming Ju, Ningning Yin, Liping Wang, Cuiying Zhang, Yukun Wang
Silicon (Si) has an important function in reducing the damage of environmental stress on plants. Acid rain is a serious abiotic stress factor, and Si can alleviate the stress induced by acid rain on plants. Based on these assumptions, we investigated the effects of silicon on the growth, root phenotype, mineral element contents, hydrogen peroxide (H2O2) and antioxidative enzymes of rice (Oryza sativa L.) seedling roots under simulated acid rain (SAR) stress. The results showed that the combined or single effects of Si and/or SAR on rice roots depend on the concentration of Si and the pH of the SAR...
2017: PloS One
https://www.readbyqxmd.com/read/28288552/microencapsulation-of-theobroma-cacao-l-waste-extract-optimization-using-response-surface-methodology
#11
Taís Vanessa Gabbay Alves, Russany Silva da Costa, Bahar Aliakbarian, Alessandro Alberto Casazza, Patrizia Perego, José Otávio Carréra Silva Júnior, Roseane Maria Ribeiro Costa, Attilio Converti
The cocoa extract (Theobroma cacao L.) has a significant amount of polyphenols (TP) with potent antioxidant activity (AA). This study aims to optimise microencapsulation of the extract of cocoa waste using chitosan and maltodextrin. Microencapsulation tests were performed according to a Box-Behnken factorial design, and the results were evaluated by response surface methodology with temperature, maltodextrin concentration (MD) and extract flowrate (EF) as independent variables, and the fraction of encapsulated TP, TP encapsulation yield, AA, yield of drying and solubility index as responses...
March 13, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28278495/antioxidant-supplements-and-gastrointestinal-diseases-a-critical-appraisal
#12
Islam Khan, Sue E Samson, Ashok Kumar Grover
The gastrointestinal tract digests and absorbs dietary nutrients; protects the body against physical and chemical damage from contents in its lumen; provides immunity against external antigens and keeps an optimum environment for the gut microbiota. These functions cannot be performed normally in several diseases of which the following are discussed here: irritable bowel syndrome, inflammatory bowel disease which includes Crohn's disease and ulcerative colitis. Because these diseases are associated with oxidative stress, a host of antioxidant supplements are used for maintenance and recovery of the gut functions...
March 8, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28261890/ozone-prevents-cochlear-damage-from-ischemia-reperfusion-injury-in-guinea-pigs
#13
Merih Onal, Cagdas Elsurer, Nebil Selimoglu, Mustafa Yilmaz, Ender Erdogan, Jale Bengi Celik, Oznur Kal, Ozkan Onal
The cochlea is an end organ, which is metabolically dependent on a nutrient and oxygen supply to maintain its normal physiological function. Cochlear ischemia and reperfusion (IR) injury is considered one of the most important causes of human idiopathic sudden sensorineural hearing loss. The aim of the present study was to study the efficacy of ozone therapy against cochlear damage caused by IR injury and to investigate the potential clinical use of this treatment for sudden deafness. Twenty-eight guinea pigs were randomized into four groups...
March 5, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28261096/antioxidant-activities-metabolic-profiling-proximate-analysis-mineral-nutrient-composition-of-salvadora-persica-fruit-unravel-a-potential-functional-food-and-a-natural-source-of-pharmaceuticals
#14
Asha Kumari, Asish K Parida, Jaykumar Rangani, Ashok Panda
Salvadora persica is a medicinally important plant mainly used in oral hygiene. However, little attention has been given towards the nutritional prominence of this plant. This study encloses the proximate and mineral nutrient contents, amino acid composition, metabolite profiling and antioxidant potential of S. persica fruit. The ripen fruit contained substantial amount of sugars, mineral nutrients, carotenoids, polyphenols and flavonoids. The metabolic profiling of the fruit extract by GC-MS revealed a total of 22 metabolites comprising of sugars, sugar alcohols, organic acids, organic base, and aromatic silica compound...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28259121/uncouplers-of-oxidation-and-phosphorylation-as-antiaging-compounds
#15
REVIEW
D A Knorre, F F Severin
Food restriction causes a set of physiological changes that reduce the rate of aging. At the level of an organism, these changes are initiated by a hormonal response, which in turn activates certain intracellular signaling cascades. As a result, cells increase their antioxidant capacities and decrease the risk of cancerous transformation. A number of small molecule compounds activating these signaling cascades have been described. One could expect that direct pharmacological activation of the signaling can produce a stronger antiaging effect than that achieved by the indirect hormonal stimulation...
December 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28253732/the-indirubin-derivative-6-bromoindirubin-3-oxime-6bio-activates-proteostatic-modules-reprograms-cellular-bioenergetics-pathways-and-exerts-anti-aging-effects
#16
Eleni Tsakiri, Nicolas Gaboriaud-Kolar, Kalliopi Iliaki, Job Tchoumtchoua, Eleni-Dimitra Papanagnou, Sofia Chatzigeorgiou, Konstantinos Tallas, Emmanuel Mikros, Maria Halabalaki, Alexios-Leandros Skaltsounis, Ioannis P Trougakos
AIMS: Organismal aging can be delayed by mutations that either activate stress responses or reduce the nutrients sensing pathways signaling; thus, by using Drosophila melanogaster as an in vivo experimental screening platform we searched for compounds that modulate these pathways. RESULTS: We noted that oral administration of the glycogen synthase kinase 3 (Gsk-3) inhibitor 6-bromoindirubin-3'-oxime (6BIO) in Drosophila flies extended healthy lifespan. 6BIO is not metabolized in flies' tissues; modulated bioenergetic pathways, decreased lipid and glucose tissues' load, activated antioxidant and proteostatic modules and enhanced resistance to stressors...
March 2, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28239982/phytochemicals-in-quinoa-and-amaranth-grains-and-their-antioxidant-anti-inflammatory-and-potential-health-beneficial-effects-a-review
#17
Yao Tang, Rong Tsao
Quinoa (Chenopodium quinoa Willd.) and amaranth (Amaranthus cruentus L.) are pseudocereal grains rich in both macronutrients and micronutrients including vitamins and minerals. The proteins are particularly of high nutritional quality due to the outstanding balance of essential amino acids. However, recent research strongly suggests that the essential nutrients such as phytochemicals of quinoa and amaranth may also with potential health beneficial effects. This review focuses on the phytochemical composition of quinoa and amaranth seeds, the antioxidant and anti-inflammatory activities of hydrophilic (e...
February 26, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28231558/alleviating-effects-of-calcium-on-cobalt-toxicity-in-two-barley-genotypes-differing-in-cobalt-tolerance
#18
Jonas Lwalaba Wa Lwalaba, Gerald Zvobgo, Liangbo Fu, Xuelei Zhang, Theodore Mulembo Mwamba, Noor Muhammad, Robert Prince Mukobo Mundende, Guoping Zhang
Cobalt (Co) contamination in soils is becoming a severe issue in environment safety and crop production. Calcium (Ca)(,) as a macro-nutrient element, shows the antagonism with many divalent heavy metals and the capacity of alleviating oxidative stress in plants. In this study, the protective role of Ca in alleviating Co stress was hydroponically investigated using two barley genotypes differing in Co toxicity tolerance. Barley seedlings exposed to 100µM Co showed the significant reduction in growth and photosynthetic rate, and the dramatic increase in the contents of reactive oxygen species (ROS), malondialdehyde (MDA), reduced glutathione (GSH) and oxidized glutathione (GSSG), and the activities of anti-oxidative enzymes, with Ea52 (Co-sensitive) being much more affected than Yan66 (Co-tolerant)...
February 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28231393/effects-of-tissue-culture-and-mycorrhiza-applications-in-organic-farming-on-concentrations-of-phytochemicals-and-antioxidant-capacities-in-ginger-zingiber-officinale-roscoe-rhizomes-and-leaves
#19
Byungrok R Min, Lurline E Marsh, Keegan Brathwaite, Adebola O Daramola
Tissue culture and mycorrhiza applications can provide disease-free seedlings and enhanced nutrient absorption, respectively, for organic farming. Ginger (Zingiber officinale Roscoe) is rich in phytochemicals and has various health-protective potentials. This study was aimed at determining effects of tissue culture and mycorrhiza applications alone or in combinations in organic farming on phytochemical contents (total phenolics and flavonoids [TP and TF, respectively], gingerol and shogaol homologues, phenolic acids, and carotenoids) and antioxidant capacities (DPPH [2,2-diphenyl-1-picrylhydrazyl] radical scavenging, oxygen radical absorbance (ORAC), and iron-chelating capacities [ICC]) in solvent-extractable (Free) and cell-wall-matrix-bound (Bound) fractions of ginger rhizome and Free fraction of the leaves in comparison with non-organics...
February 23, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28231159/comparison-of-the-proximate-composition-total-carotenoids-and-total-polyphenol-content-of-nine-orange-fleshed-sweet-potato-varieties-grown-in-bangladesh
#20
Mohammad Khairul Alam, Ziaul Hasan Rana, Sheikh Nazrul Islam
In an attempt to develop the food composition table for Bangladesh, the nutritional composition of nine varieties of orange-fleshed sweet potato was analyzed together with total carotenoids (TCC) and total polyphenol content (TPC). Each variety showed significant variation in different nutrient contents. The quantification of the TCC and TPC was done by spectrophotometric measurement, and the proximate composition was done by the AOAC method. The obtained results showed that total polyphenol content varied from 94...
September 14, 2016: Foods (Basel, Switzerland)
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