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Journal of Dietary Supplements

Ganiyu Oboh, Omodesola O Ogunruku, Sunday I Oyeleye, Tosin A Olasehinde, Ayokunle O Ademosun, Aline Augusti Boligon
This study investigated the inhibitory effects of phenolic-rich extracts from Clerodendrum volubile leaves on cholinergic [acetylcholinesterase (AChE) and butyrylcholinesterase (BChE)] and monoaminergic [monoamine oxidase (MAO)] enzymes' activities and pro-oxidants [Fe(2+) and quinolinic acid-(QA)] induced lipid peroxidation in rats brain homogenates in vitro. Free phenolic extracts (FPE) and bound phenolic extracts (BPE) were obtained via solvent extraction, and the total phenol and flavonoid contents were evaluated...
October 18, 2016: Journal of Dietary Supplements
Amir Hadi, Makan Pourmasoumi, Marzieh Kafeshani, Jahangir Karimian, Mohammad Reza Maracy, Mohammad Hasan Entezari
OBJECTIVE: Additional oxygen consumption during intense exercises may lead to oxidative stress and contribute to muscular fatigue. Green tea and sour tea (Hibiscus sabdariffa L.), which contain various flavonoids and polyphenols, have many healthful properties such as anticarcinogenic, anti-inflammatory, and heart protecting effects. The aim of the present study was to assess the effects of green tea and sour tea supplementation on oxidative stress and muscle damage in soccer athletes...
October 13, 2016: Journal of Dietary Supplements
Jolene Zheng, Chenfei Gao, Mingming Wang, Phuongmai Tran, Nancy Mai, John W Finley, Steven B Heymsfield, Frank L Greenway, Zhaoping Li, David Heber, Jeffrey H Burton, William D Johnson, Roger A Laine
Epidemiological studies indicate that the increased consumption of sugars including sucrose and fructose in beverages correlate with the prevalence of obesity, type-2 diabetes, insulin resistance, hyperinsulinemia, hypertriglyceridemia, and hypertension in humans. A few reports suggest that fructose extends lifespan in Saccharomyces cerevisiae. In Anopheles gambiae, fructose, glucose, or glucose plus fructose also extended lifespan. New results presented here suggest that fructose extends lifespan in Caenorhabditis elegans (C...
September 28, 2016: Journal of Dietary Supplements
Todd C Rideout, Scott V Harding, Amy Raslawsky, Curtis B Rempel
Resistant starch (RS) has been well characterized for its glycemic control properties; however, there is little consensus regarding the influence of RS on blood lipid concentrations and lipoprotein distribution and size. Therefore, this study aimed to characterize the effect of daily RS supplementation in a controlled capsule delivery on biomarkers of cardiovascular (blood lipids, lipoproteins) and diabetes (glucose, insulin) risk in a pig model. Twelve 8-week-old male Yorkshire pigs were placed on a synthetic Western diet and randomly divided into two groups (n = 6/group) for 30 days: (1) a placebo group supplemented with capsules containing unmodified pre-gelatinized potato starch (0 g/RS/day); and (2) an RS group supplemented with capsules containing resistant potato starch (10 g/RS/day)...
September 21, 2016: Journal of Dietary Supplements
Tim N Ziegenfuss, Hector L Lopez, Jennifer E Sandrock, A William Kedia, Scott Habowski, Chad Kerksick
Using a prospective, randomized, double-blind, crossover study design, fifteen healthy male (n = 8) and female (n = 7) participants (mean ± standard deviation (SD): 28.3 ± 6.1 yr, 176.3 ± 11.4 cm, 89.8 ± 21.7 kg, 28.5 ± 4.8 kg/m(2)) completed this study. Two testing sessions occurred after an overnight fast and refraining from physical exercise. Prior to and 60, 120, and 180 minutes after single dose ingestion of placebo (PLA) or a Thermogenic Supplement (TS), visual analog scales (VAS), resting metabolic rate (VO2), and venous blood were collected...
September 9, 2016: Journal of Dietary Supplements
Mannanthendil Kumaran Asha, Debnath Debraj, Shekhar Dethe, Anirban Bhaskar, Nithyanantham Muruganantham, Mundkinajeddu Deepak
Flavonoid-rich extract prepared from Glycyrrhiza glabra has been found to be beneficial in patients with functional dyspepsia and was reported to possess some gut health-promoting properties such as antioxidant, anti-inflammatory and anti-Helicobacter pylori activities. In the present study, the flavonoid-rich extract of Glycyrrhiza glabra was evaluated for its compatibility with probiotic strains (Lactobacillus casei, Lactobacillus fermentum, Lactobacillus plantarum, and Streptococcus thermophilus), commercial probiotic drinks, and digestive enzymes (pancreatic α-amylase, α-glucosidase, phytase, xylanase, and pancreatic lipase)...
September 2, 2016: Journal of Dietary Supplements
Arnetta Fletcher, Haiqiu Huang, Lu Yu, Quynhchi Pham, Liangli Yu, Thomas T Y Wang
Dietary supplements are widely used in the United States, but the safety issue remains unresolved. Immuno-deficient or immuno-compromised patients, estimated to exceed 10 million in the United States, are known to use dietary supplements. This population potentially may be susceptible to supplements' adverse effects. The cruciferous vegetable-derived indole-3-carbinol (I3C) is known for its possible protective effects against a number of chronic diseases and is commercially available as a dietary supplement...
August 31, 2016: Journal of Dietary Supplements
Ricardo J Ribeiro, Carina Silvestre, Cristina Duarte
The alternative medicines are commonly used, especially herbal ones. Among them, boldo is traditionally used for symptomatic treatment of dyspepsia and mild gastrointestinal spasmodic disorders. Nevertheless, the number of reported cases of possible hepatotoxicity of some of these products has increased, including one report of boldo-induced hepatitis. We present the case of a 72-year-old female patient who has developed jaundice and increased serum levels of liver enzymes, after repeated consumption of boldo leaves infusion, during 2 weeks...
August 30, 2016: Journal of Dietary Supplements
Kyoji Morita, Naoyoshi Nishibori, Reina Kishibuchi, Mari Itoh, Yukiko Horie, Hideyuki Nemoto
Fermented brown rice with Aspergillus oryzae, designated as FBRA, is known to be commercially available dietary fiber-rich food, which is appreciated as prebiotics to improve intestinal microflora, and also shown to contain various biologically active substances including polyphenolic compounds. On the other hand, polyphenolic compounds have been suggested to stimulate the expression of brain-derived neurotrophic factor (BDNF) gene in connection with the expression of heme oxidase-1 (HO-1) gene in glial cells, thus resulting in the augmentation of BDNF production in the brain, thereby being anticipated to have a putative effect on the brain function...
August 25, 2016: Journal of Dietary Supplements
Naoyoshi Nishibori, Reina Kishibuchi, Kyoji Morita
Soy pulp, called "okara" in Japanese, is known as a by-product of the production of bean curd (tofu), and expected to contain a variety of biologically active substances derived from soybean. However, the biological activities of okara ingredients have not yet been fully understood, and the effectiveness of okara as a functional food seems necessary to be further evaluated. Then the effect of okara extract on angiotensin I-converting enzyme (ACE) activity was examined in vitro, and the extract was shown to cause the inhibition of ACE activity in a manner depending on its concentration...
August 24, 2016: Journal of Dietary Supplements
Thays de Souza Lopes, Hananiah Tardivo Quintana, Jeferson André Bortolin, Paulo Henrique Matos Alves, Regina de Souza Bolina Matos, Edson Aparecido Liberti, Flavia de Oliveira
This study investigated the effects of pre- and postnatal conditions of protein deficiency followed to nutritional rehabilitation in the morphology of skeletal muscle. Twelve Wistar male rats were distributed in two groups: nourished (N), with normal protein diet and undernourished (U), with low protein diet. The respective diet was maintained until animals completed 21 days of life. After that, part of group U (n = 4) received normal protein diet, forming a third group, renourished group (R). Forty-two-day-old animals were euthanized and we performed histopathological and morphometric analysis of the soleus muscle...
August 24, 2016: Journal of Dietary Supplements
Karen L Sweazea, Carol S Johnston, Jessica Knurick, Courtney D Bliss
Oxidative stress resulting from dietary, lifestyle and environmental factors is strongly associated with tissue damage and aging. It occurs when there is either an overproduction of reactive oxygen species (i.e., oxidants) or decreased bioavailability of antioxidants that can scavenge them. The objective of this 12-week double-blind placebo-controlled study was to assess the efficacy of a nutraceutical at augmenting antioxidant status. Healthy adults (25-45 y) were randomized to either a treatment group (Product B, n = 23) or a placebo group (control, n = 20)...
August 15, 2016: Journal of Dietary Supplements
Vineet Agrawal, Sonali Kapoor, Isha Agrawal
The main purpose of a root canal treatment is to eliminate the bacteria and their products from the pulp space. Chemomechanical preparation (chemical-refers to irrigating solutions, i.e., either synthetic chemicals or herbal solutions and mechanical-refers to instrumentation of a root canals with endodontic files) of a root canal system plays a major role in obtaining the rationale of root canal treatment. Various synthetic chemicals known as endodontic irrigants play a major role in disinfection, but also have undesirable properties like allergic potential, toxicity, unacceptable taste, etc...
August 11, 2016: Journal of Dietary Supplements
Krittiya Mosikanon, Dumrongkiet Arthan, Aikkarach Kettawan, Rungsunn Tungtrongchitr, Pattaneeya Prangthip
Increased inflammation occurs with excessive adiposity and yeast β-glucan modulates immune responses. This study investigated the potential effect of yeast β-glucan on inflammatory cytokines in overweight/obese people. A randomized, double blinded, placebo-controlled, clinical trial design enrolled 44 overweight/obese participants with body mass index ≥23 kg/m(2), randomized to two groups receiving β-glucan 477 mg/capsule (n = 22) or placebo (n = 22) orally for six weeks. At weeks one to two, participants received 1 β-glucan or placebo capsule/day and at four weeks two tablets/day...
August 11, 2016: Journal of Dietary Supplements
Hala M Abdelkarem, Laila H Fadda, Abeer A G Hassan
The objective of this work was to evaluate the beneficial effect of α-lipoic acid (ALA) and L-carnitine (CAR) on insulin sensitivity and anti-inflammatory markers in animal model of metabolic syndrome (MS), high fructose (HF)-fed rats. Forty male rats were randomly divided into four groups (n = 10). Group 1(control rats, G1), animals were allowed to drink 0.2% gum acacia (GA, p.o) and were fed a modified diet containing 65% cornstarch. The remaining rats were induced MS by feeding the same diet + free access to 10% fructose (w/v) in 0...
August 5, 2016: Journal of Dietary Supplements
C J Etti, Y A Yusof, N L Chin, S Mohd Tahir
The tableting properties of Labisia pumila herbal powder, which is well known for its therapeutic benefits was investigated. The herbal powder was compressed into tablets using a stainless steel cylindrical uniaxial die of 13-mm- diameter with compaction pressures ranging from 7 to 25 MPa. Two feed weights, 0.5 and 1.0 g were used to form tablets. Some empirical models were used to describe the compressibility behavior of Labisia pumila tablets. The strength and density of tablets increased with increase in compaction pressure and resulted in reduction in porosity of the tablets...
August 3, 2016: Journal of Dietary Supplements
John Bradley Morris, Ming Li Wang
Dry guar (Cyamopsis tetragonoloba L. Taub) seeds are primarily used to extract galactomannan gum for oil fracking, however, the immature pods are used as a vegetable in India and sold in ethnic grocery stores in the Atlanta, Georgia area. Nineteen guar genotypes were grown in the field at Griffin, GA, USA for two years (2010-2011). Since the determination of flavonoid concentration would add value to the guar accessions for use as a functional food vegetable, immature guar pods were evaluated for flavonoid concentration...
August 2, 2016: Journal of Dietary Supplements
Andrés Uc Cachón, Carlos Quintal-Novelo, Gilberto Medina-Escobedo, Gaspar Castro-Aguilar, Rosa E Moo-Puc
Several studies have shown the hepatoprotective effect of the consumption of coffee and tea, which is mainly attributed to caffeine. Many experimental studies have demonstrated this effect; however, these studies used high caffeine doses that are not related to human consumption. The aim of this study was to evaluate the hepatoprotective effect of low doses of caffeine on carbon tetrachloride (CCl4)-treated rats. Low doses of caffeine (CAFF) 5 and 10 mg/kg (CAFF5 and CAFF10) were evaluated in chronic liver damage induced by CCl4 (0...
August 2, 2016: Journal of Dietary Supplements
Aliasghar Vahidinia, Ali Reza Rahbar, Mohammad Mehdi Shakoori Mahmoodabadi
The aim of this study was to investigate the effect of calorie restriction and dietary antioxidant supplementation separately or in combination on the quality and quantity of sperm in male rat. Forty male rats were randomly allocated to four groups of 10 animals each, and fed for at least 86 days with an ad libitum diet (group 1), a restricted diet (group 2), an ad libitum diet and astaxanthin, vitamin E, and vitamin C supplements (group 3), or a restricted diet with astaxanthin, vitamin E, and vitamin C supplements (group 4)...
August 2, 2016: Journal of Dietary Supplements
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November 2016: Journal of Dietary Supplements
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