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Antioxidants (Basel, Switzerland)

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https://www.readbyqxmd.com/read/29891761/the-effects-of-beta-hydroxy-beta-methylbutyrate-free-acid-supplementation-and-resistance-training-on-oxidative-stress-markers-a-randomized-double-blind-placebo-controlled-study
#1
Hamid Arazi, Abbas Asadi, Katsuhiko Suzuki
The aim of this study was to investigate the effects of 6-week beta-hydroxy-beta methylbutyrate-free acid (HMB-FA) supplementation on oxidative stress and biochemical variables in responses to resistance training. Sixteen healthy young males participated in this study and were randomly assigned to a HMB-FA supplementation group ( n = 8) or a placebo supplementation group ( n = 8). The resistance training program was applied for 6 weeks with two sessions per week. Blood samples were collected before and after training, and 8-hydroxy-2-deoxyguanosine (8-OHdG), malondialdehyde (MDA), protein carbonyl (PC), and biochemical variables, such as alanine transaminase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), and the numbers of total white blood cells (WBC), neutrophils, lymphocytes, and monocytes were analyzed...
June 11, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29866989/identification-of-phenolic-compounds-rich-grape-pomace-extracts-urine-metabolites-and-correlation-with-gut-microbiota-modulation
#2
Stéphanie Chacar, Mehrad Tarighi, Nassim Fares, Jean-François Faivre, Nicolas Louka, Richard G Maroun
The high diversity of phenolic compounds (PC) found in food matrices makes it challenging to analyze their bioavailability and their impact on health and functional metabolism. It is well recognized that PC do modulate the composition of the gut microbiota (GM), however, the literature still lacks significant data concerning the link between the metabolic fate of the ingested compounds and their bioactivity, mainly when considering the secondary metabolites produced. In this study, we assessed the metabolic fate of PC for a period covering 14 months of daily intake to identify the metabolites that could be responsible for the effects of PC on the GM observed in our previous work...
June 4, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29843393/comparing-palm-oil-tocotrienol-rich-fraction-and-%C3%AE-tocopherol-supplementation-on-the-antioxidant-levels-of-older-adults
#3
Nor Helwa Ezzah Nor Azman, Jo Aan Goon, Siti Madiani Abdul Ghani, Zalina Hamid, Wan Zurinah Wan Ngah
BACKGROUND: Tocotrienol and tocopherol are known to prevent numerous degenerative diseases. The aim of this study is to compare the effects of tocotrienol-rich fraction (TRF) with α-tocopherol (α-TF) on the antioxidant status of healthy individuals aged between 50 and 55 years. METHODS: Volunteers were divided into groups receiving placebo ( n = 23), α-TF ( n = 24) and TRF ( n = 24). Fasting venous blood samples were taken at baseline (0 month), 3 months and 6 months of supplementation for the determination of superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx) activities as well as for reduced glutathione (GSH) and oxidized glutathione (GSSG) concentrations...
May 28, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29861455/inhibitory-effects-of-solvent-partitioned-fractions-of-two-nigerian-herbs-spondias-mombin-linn-and-mangifera-indica-l-on-%C3%AE-amylase-and-%C3%AE-glucosidase
#4
Oluwafemi Adeleke Ojo, Adeola Agnes Afon, Adebola Busola Ojo, Basiru Olaitan Ajiboye, Babatunji Emmanuel Oyinloye, Abidemi Paul Kappo
Therapies directed towards controlling hyperglycemia, the hallmark of type-2 diabetes mellitus, go a long way in managing diabetes and its related complications. Reducing glucose level through the inhibition of the relevant carbohydrate hydrolyzing enzymes is one among many routes in the management of diabetes. This study investigates the in vitro enzyme inhibitory and antioxidant properties of solvent-partitioned fractions of Spondias mombin and Mangifera indica leaves; which are used extensively in the treatment of diabetic patients locally...
May 26, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29882862/valorization-of-olive-mill-wastewater-by-membrane-processes-to-recover-natural-antioxidant-compounds-for-cosmeceutical-and-nutraceutical-applications-or-functional-foods
#5
Alberto Alfano, Luisana Corsuto, Rosario Finamore, Maria Savarese, Filomena Ferrara, Salvatore Falco, Giuseppe Santabarbara, Mario De Rosa, Chiara Schiraldi
Olive oil boasts numerous health benefits due to the high content of the monounsaturated fatty acid (MUFA) and functional bioactives including tocopherols, carotenoids, phospholipids, and polyphenolics with multiple biological activities. Polyphenolic components present antioxidant properties by scavenging free radicals and eliminating metabolic byproducts of metabolism. The objective of this research project was to recover the biologically active components rich in polyphenols, which include treatment of olive oil mills wastewater, and, at the same time, to remove the pollutant waste component resulting from the olive oil manufacturing processes...
May 23, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29789516/phytochemical-profile-of-brown-rice-and-its-nutrigenomic-implications
#6
REVIEW
Keneswary Ravichanthiran, Zheng Feei Ma, Hongxia Zhang, Yang Cao, Chee Woon Wang, Shahzad Muhammad, Elom K Aglago, Yihe Zhang, Yifan Jin, Binyu Pan
Whole grain foods have been promoted to be included as one of the important components of a healthy diet because of the relationship between the regular consumption of whole-grain foods and reduced risk of chronic diseases. Rice is a staple food, which has been widely consumed for centuries by many Asian countries. Studies have suggested that brown rice is associated with a wide spectrum of nutrigenomic implications such as anti-diabetic, anti-cholesterol, cardioprotective and antioxidant. This is because of the presence of various phytochemicals that are mainly located in bran layers of brown rice...
May 23, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29883433/exogenous-plant-based-nutraceutical-supplementation-and-peripheral-cell-mononuclear-dna-damage-following-high-intensity-exercise
#7
Josh Williamson, Ciara M Hughes, Gareth W Davison
Plant-based nutraceuticals are categorised as nutritional supplements which contain a high concentration of antioxidants with the intention of minimising the deleterious effect of an oxidative insult. The primary aim of this novel study was to determine the effect of exogenous barley-wheat grass juice (BWJ) on indices of exercise-induced oxidative stress. Ten ( n = 10) apparently healthy, recreationally trained ( V̇O2max 55.9 ± 6 mL·kg−1 ·min−1 ), males (age 22 ± 2 years, height 181 ± 6 cm, weight 87 ± 8 kg, body mass index (BMI) 27 ± 1) volunteered to participant in the study...
May 21, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29883416/effects-of-mulberry-fruit-morus-alba-l-consumption-on-health-outcomes-a-mini-review
#8
REVIEW
Hongxia Zhang, Zheng Feei Ma, Xiaoqin Luo, Xinli Li
Mulberry ( Morus alba L.) belongs to the Moraceae family and is widely planted in Asia. Mulberry fruits are generally consumed as fresh fruits, jams and juices. They contain considerable amounts of biologically active ingredients that might be associated with some potential pharmacological activities that are beneficial for health. Therefore, they have been traditionally used in traditional medicine. Studies have reported that the presence of bioactive components in mulberry fruits, including alkaloids and flavonoid, are associated with bioactivities such as antioxidant...
May 21, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29883396/no-reported-renal-stones-with-intravenous-vitamin-c-administration-a-prospective-case-series-study
#9
Melissa Prier, Anitra C Carr, Nicola Baillie
A few cases associating high dose intravenous vitamin C (IVC) administration with renal stone formation have been reported in the literature, however, no long-term studies investigating IVC administration and reported renal stones have been carried out. Our aim was to measure the frequency of reported renal stones in patients receiving IVC therapy. We carried out a prospective case series study of 157 adult patients who commenced IVC therapy at Integrated Health Options clinic between 1 September 2011 and 31 August 2012, with follow-up for 12 months...
May 21, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29772758/antioxidant-capacity-of-rigenase-%C3%A2-a-specific-aqueous-extract-of-triticum-vulgare
#10
Immacolata Antonucci, Gabriella Fiorentino, Patrizia Contursi, Massimiliano Minale, Rodolfo Riccio, Salvatore Riccio, Danila Limauro
Reactive species of oxygen (ROS), responsible for oxidative stress, accumulate in various tissues damaged by burns, decubitus ulcers, and vascular lesions. Antioxidants play an important and well-documented role in healing of chronic and acute wounds. Rigenase® , a specific extract of Triticum vulgare manufactured by Farmaceutici Damor, is employed in products used for the regeneration of tissue injuries. In this work, we show that Rigenase® exhibits a scavenging effect toward free radicals, thus pointing to its relevant antioxidant activity...
May 17, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29758013/selenium-dependent-antioxidant-enzymes-actions-and-properties-of-selenoproteins
#11
REVIEW
Evangelos Zoidis, Isidoros Seremelis, Nikolaos Kontopoulos, Georgios P Danezis
Unlike other essential trace elements that interact with proteins in the form of cofactors, selenium (Se) becomes co-translationally incorporated into the polypeptide chain as part of 21st naturally occurring amino acid, selenocysteine (Sec), encoded by the UGA codon. Any protein that includes Sec in its polypeptide chain is defined as selenoprotein. Members of the selenoproteins family exert various functions and their synthesis depends on specific cofactors and on dietary Se. The Se intake in productive animals such as chickens affect nutrient utilization, production performances, antioxidative status and responses of the immune system...
May 14, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29751684/polyphenolic-composition-and-antioxidant-activity-of-aqueous-and-ethanolic-extracts-from-uncaria-tomentosa-bark-and-leaves
#12
Mirtha Navarro-Hoyos, Diego Alvarado-Corella, Ileana Moreira-Gonzalez, Elizabeth Arnaez-Serrano, Maria Monagas-Juan
Uncaria tomentosa constitutes an important source of secondary metabolites with diverse biological activities mainly attributed until recently to alkaloids and triterpenes. We have previously reported for the first-time the polyphenolic profile of extracts from U. tomentosa , using a multi-step process involving organic solvents, as well as their antioxidant capacity, antimicrobial activity on aerial bacteria, and cytotoxicity on cancer cell lines. These promising results prompted the present study using food grade solvents suitable for the elaboration of commercial extracts...
May 11, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29751491/correction-duncan-k-r-suzuki-y-j-vitamin-e-nicotinate-antioxidants-2017-6-20
#13
Kimbell R Duncan, Yuichiro J Suzuki
In the original version of our article [1], three lines were omitted from the α-tocopherol and α-tocopheryl nicotinate structures in Figure 1 during the manuscript processing[...].
May 3, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29710809/anti-oxidant-and-anti-inflammatory-activity-of-ketogenic-diet-new-perspectives-for-neuroprotection-in-alzheimer-s-disease
#14
REVIEW
Alessandro Pinto, Alessio Bonucci, Elisa Maggi, Mariangela Corsi, Rita Businaro
The ketogenic diet, originally developed for the treatment of epilepsy in non-responder children, is spreading to be used in the treatment of many diseases, including Alzheimer’s disease. The main activity of the ketogenic diet has been related to improved mitochondrial function and decreased oxidative stress. B-Hydroxybutyrate, the most studied ketone body, has been shown to reduce the production of reactive oxygen species (ROS), improving mitochondrial respiration: it stimulates the cellular endogenous antioxidant system with the activation of nuclear factor erythroid-derived 2-related factor 2 (Nrf2), it modulates the ratio between the oxidized and reduced forms of nicotinamide adenine dinucleotide (NAD⁺/NADH) and it increases the efficiency of electron transport chain through the expression of uncoupling proteins...
April 28, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29702624/glutathione-antioxidant-properties-dedicated-to-nanotechnologies
#15
REVIEW
Caroline Gaucher, Ariane Boudier, Justine Bonetti, Igor Clarot, Pierre Leroy, Marianne Parent
Which scientist has never heard of glutathione (GSH)? This well-known low-molecular-weight tripeptide is perhaps the most famous natural antioxidant. However, the interest in GSH should not be restricted to its redox properties. This multidisciplinary review aims to bring out some lesser-known aspects of GSH, for example, as an emerging tool in nanotechnologies to achieve targeted drug delivery. After recalling the biochemistry of GSH, including its metabolism pathways and redox properties, its involvement in cellular redox homeostasis and signaling is described...
April 27, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29693632/fruit-and-vegetable-by-products-to-fortify-spreadable-cheese
#16
Annalisa Lucera, Cristina Costa, Valeria Marinelli, Maria Antonietta Saccotelli, Matteo Alessandro Del Nobile, Amalia Conte
In this work, spreadable cheese was enriched with flours from by-products (red and white grape pomace, tomato peel, broccoli, corn bran, and artichokes) as sources of fibres and antioxidant compounds. The physicochemical and the sensory properties of all the cheese samples were analysed. Results revealed that total phenolic content, flavonoids, and antioxidant activity of samples containing grape pomace significantly increased, followed by broccoli, artichoke, corn bran, and tomato peel by-products, compared to the control cheese...
April 25, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29677095/milling-the-mistletoe-nanotechnological-conversion-of-african-mistletoe-loranthus-micranthus-intoantimicrobial-materials
#17
Muhammad Sarfraz, Sharoon Griffin, Tamara Gabour Sad, Rama Alhasan, Muhammad Jawad Nasim, Muhammad Irfan Masood, Karl Herbert Schäfer, Chukwunonso E C C Ejike, Cornelia M Keck, Claus Jacob, Azubuike P Ebokaiwe
Nanosizing represents a straight forward technique to unlock the biological activity of complex plant materials. The aim of this study was to develop herbal nanoparticles with medicinal value from dried leaves and stems of Loranthus micranthus with the aid of ball-milling, high speed stirring, and high-pressure homogenization techniques. The milled nanoparticles were characterized using laser diffraction analysis, photon correlation spectroscopy analysis, and light microscopy. The average size of leaf nanoparticles was around 245 nm and that of stem nanoparticles was around 180 nm...
April 20, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29659550/use-of-olive-oil-industrial-by-product-for-pasta-enrichment
#18
Lucia Padalino, Isabella D'Antuono, Miriana Durante, Amalia Conte, Angela Cardinali, Vito Linsalata, Giovanni Mita, Antonio F Logrieco, Matteo Alessandro Del Nobile
BACKGROUND: During recent years food industries generally produce a large volume of wastes both solid and liquid, representing a disposal and potential environmental pollution problem. OBJECTIVE: The goal of the study was to optimize, from both sensory and nutritional points of view, the formulation of durum wheat spaghetti enriched with an olive oil industrial by-product, indicated as olive paste. METHODS: Three consecutive steps were carried out...
April 16, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29662045/macronutrient-and-major-food-group-intake-in-a-cohort-of-southern-italian-adults
#19
Serena Mulè, Mariagiovanna Falla, Alessandra Conti, Dora Castiglione, Isabella Blanco, Armando Platania, Maurizio D'Urso, Marina Marranzano
BACKGROUND: Dietary intake of macronutrient and foods is considered crucial to decrease the risk of diet-related non-communicable diseases. METHODS: The aim of this study was to describe the intake of major food groups and macronutrients in a random sample of 1838 southern Italian adults. RESULTS: No significant differences of macronutrient consumption between sexes were found. By contrast, younger individuals had significantly higher intake of animal protein than older ones...
April 15, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29652839/selenium-rich-ricegrass-juice-improves-antioxidant-properties-and-nitric-oxide-inhibition-in-macrophage-cells
#20
Rattanamanee Chomchan, Panupong Puttarak, Adelheid Brantner, Sunisa Siripongvutikorn
Ricegrass juice ( Oryza sativa L.) was introduced as a functional food as the consumption of sprouts or seedlings has been claimed to provide high nutritive value. Selenium (Se) is a trace mineral that plays a key role in the human antioxidation scheme. Supplementation of Se into plants is one strategy to enhance plant bioactivities, and the consumption of Se plant foods may confer superior health benefits. In this study, ricegrass juice extract was analyzed for its major phenolic components. The effect of ricegrass juice extracts bio-fortified with 0, 10 and 40 mg Se/L named as RG0, RG10, and RG40, respectively, were investigated for a percentage of cell viability, changes of endogenous antioxidant enzymes, lipid peroxidation, and nitric oxide inhibition in RAW264...
April 13, 2018: Antioxidants (Basel, Switzerland)
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