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Journal of Dietary Supplements

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https://www.readbyqxmd.com/read/27973970/potential-renoprotective-effects-of-rosemary-and-thyme-against-gentamicin-toxicity-in-rats
#1
Amal S Abdel-Azeem, Amany M Hegazy, Hala M Zeidan, Khadiga S Ibrahim, Eman M El-Sayed
Gentamicin (GM) is a drug used commonly against gram-negative bacteria. Its therapeutic use is mainly limited by its nephrotoxicity. This investigation was aimed at evaluating the nephroprotective effects of rosemary (RM; Rosmarinus officinalis) and thyme (TV; Thymus vulgaris) against GM toxicity. Rats were divided into four groups. Normal control group was treated intraperitoneally (i.p.) with saline; positive control group was administered GM 60 mg/kg/day i.p.; RM group was co-administered 8% RM aqueous extract, 10 mL/kg/day, orally with GM; and TV group was co-administered 8% TV aqueous extract orally, 10 mL/kg/day with GM...
December 14, 2016: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27937000/do-studies-evaluating-qt-qtc-interval-prolongation-with-dietary-supplements-meet-fda-standards-a-systematic-review
#2
Tinh An Nguyen, Amy Kurian, Jessica Leong, Umang M Patel, Sachin A Shah
PURPOSE: Dietary supplement use is continuously increasing, but the safety evaluation of these products remains partial. While dietary supplements have no mandate for assessing cardiovascular safety, all new drug entities (NDE) are required to undergo a thorough QT/corrected QT (QTc) assessment to determine their propensity to impact cardiac repolarization. Independent investigators and manufacturers of dietary supplements voluntarily initiate safety studies; however, the quality of these studies is controversial...
December 12, 2016: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27893282/plant-food-supplements-with-antioxidant-properties-for-the-treatment-of-chronic-and-neurodegenerative-diseases-benefits-or-risks
#3
Luca Piemontese
Wine by-products, in particular grape pomace, can be an important source of polyphenols and dietary fibers and are increasingly being used as a starting material in the industrial production of plant food supplements, such as other matrices containing biomolecules, with antioxidant properties. The risk associated with the consumption of these products was recently analyzed through a study of potential genotoxic and carcinogenic compounds that can be found in the marketed products. In particular, occurrence data about contamination with the mycotoxin ochratoxin A were also reported...
November 28, 2016: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27813677/muscle-carnosine-concentration-with-the-co-ingestion-of-carbohydrate-with-%C3%AE-alanine-in-male-rats
#4
Alireza Naderi, Mehdi Sadeghi, Amir Sarshin, Vahid Imanipour, Seyed Ali Nazeri, Fatemeh Farkhayi, Mark E T Willems
Muscle carnosine is an intracellular buffer. The intake of β-alanine, combined with carbohydrate and protein, enhanced carnosine loading in human muscle. The aim of the present study was to examine if muscle carnosine loading was enhanced by β-alanine intake and co-ingestion of glucose in male rats. Thirty-six male rats were divided into three groups and supplemented for four weeks: β-alanine (βA group, 1.8% β-alanine in drinking water), β-alanine and glucose (βAGL group, 1.8% β-alanine and 5% glucose in drinking water), and control (C group, drinking water)...
November 4, 2016: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27753518/phenolic-extracts-from-clerodendrum-volubile-leaves-inhibit-cholinergic-and-monoaminergic-enzymes-relevant-to-the-management-of-some-neurodegenerative-diseases
#5
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...
May 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27736246/the-effect-of-green-tea-and-sour-tea-hibiscus-sabdariffa-l-supplementation-on-oxidative-stress-and-muscle-damage-in-athletes
#6
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...
May 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27680107/lower-doses-of-fructose-extend-lifespan-in-caenorhabditis-elegans
#7
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...
May 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27653386/dietary-resistant-starch-supplementation-increases-high-density-lipoprotein-particle-number-in-pigs-fed-a-western-diet
#8
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)...
May 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27611657/effect-of-a-multi-nutrient-over-the-counter-supplement-on-changes-in-metabolic-rate-and-markers-of-lipolysis
#9
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...
May 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27588327/effect-of-flavonoid-rich-extract-of-glycyrrhiza-glabra-on-gut-friendly-microorganisms-commercial-probiotic-preparations-and-digestive-enzymes
#10
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)...
May 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27580128/reversible-toxic-effects-of-the-dietary-supplement-indole-3-carbinol-in-an-immune-compromised-rodent-model-intestine-as-the-main-target
#11
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...
May 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27558170/soy-pulp-extract-inhibits-angiotensin-i-converting-enzyme-ace-activity-in-vitro-evidence-for-its-potential-hypertension-improving-action
#12
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...
May 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27558017/protein-malnutrition-pre-and-postnatal-and-nutritional-rehabilitation-modulates-the-morphology-of-muscle-fibers-in-wistar-rats
#13
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...
May 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27485919/effect-of-astaxanthin-vitamin-e-and-vitamin-c-in-combination-with-calorie-restriction-on-sperm-quality-and-quantity-in-male-rats
#14
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 rats. 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)...
May 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27835050/a-double-blind-randomized-pilot-trial-of-chromium-picolinate-for-overweight-individuals-with-binge-eating-disorder-effects-on-glucose-regulation
#15
Margarita Sala, Lauren Breithaupt, Cynthia M Bulik, Robert M Hamer, Maria C La Via, Kimberly A Brownley
PURPOSE: Chromium treatment has been shown to improve glucose regulation in some populations. The purpose of this study was to evaluate whether chromium picolinate (CrPic) supplementation improves glucose regulation in overweight individuals with binge-eating disorder (BED). METHODS: In this double-blinded randomized pilot trial, participants (N = 24) were randomized to high (HIGH, 1000 mcg/day, n = 8) or moderate (MOD, 600 mcg/day, n = 9) dose of CrPic or placebo (PL, n = 7) for 6 months...
March 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27715358/critical-review-on-eliminating-endodontic-dental-infections-using-herbal-products
#16
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...
March 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27715351/yeast-%C3%AE-glucan-modulates-inflammation-and-waist-circumference-in-overweight-and-obese-subjects
#17
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...
March 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27715348/plant-based-nutraceutical-increases-plasma-catalase-activity-in-healthy-participants-a-small-double-blind-randomized-placebo-controlled-proof-of-concept-trial
#18
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)...
March 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27576017/hidden-risks-of-alternative-medicines-a-case-of-boldo-induced-hepatotoxicity
#19
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...
March 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27560964/fermented-brown-rice-extract-stimulates-bdnf-gene-transcription-in-c6-glioma-cells-possible-connection-with-ho-1-expression
#20
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...
March 4, 2017: Journal of Dietary Supplements
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