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Turmeric AND obesity

Won-Yeong Song, Jeong-Hwa Choi
BACKGROUND/OBJECTIVES: Turmeric (Curcuma longa L.) has been reported to have many biological functions including anti-obesity. Leptin, peptide hormone produced by adipocytes and its concentration is increased in proportion to the amount of the adipocytes. In the present study, we examined the effects of Korean turmeric on the regulation of adiposity and leptin levels in 3T3-L1 adipocytes and rats fed a high-fat and high-cholesterol diet. MATERIALS/METHODS: Leptin secretion, free fatty acid and glycerol contents in 3T3-L1 adipocytes were measured after incubation of cells with turmeric for 24 hours...
October 2016: Nutrition Research and Practice
Xinyan Bi, Joseph Lim, Christiani Jeyakumar Henry
Diabetes mellitus (DM) remains a major health care problem worldwide both in developing and developed countries. Many factors, including age, obesity, sex, and diet, are involved in the etiology of DM. Nowadays, drug and dietetic therapies are the two major approaches used for prevention and control of DM. Compared to drug therapy, a resurgence of interest in using diet to manage and treat DM has emerged in recent years. Conventional dietary methods to treat DM include the use of culinary herbs and/or spices...
February 15, 2017: Food Chemistry
Ajaikumar B Kunnumakkara, Devivasha Bordoloi, Ganesan Padmavathi, Javadi Monisha, Nand Kishor Roy, Sahdeo Prasad, Bharat B Aggarwal
Curcumin, a yellow pigment in the Indian spice Turmeric (Curcuma longa), which is chemically called as diferuloylmethane was first isolated exactly two centuries ago in 1815 by two German Scientists, Vogel and Pelletier. According to pubmed database, however, the first paper was published on its biological activity in 1949 in Nature as an antibacterial agent, and the first clinical trial reported in Lancet in 1937. Although the current database indicates almost 9000 publications on curcumin but until 1990 there were less than 100 papers published on this nutraceutical...
September 17, 2016: British Journal of Pharmacology
Jean-Marc Zingg, Syeda T Hasan, Kiyotaka Nakagawa, Elisa Canepa, Roberta Ricciarelli, Luis Villacorta, Angelo Azzi, Mohsen Meydani
Curcumin, a polyphenol from turmeric (Curcuma longa), reduces inflammation, atherosclerosis, and obesity in several animal studies. In Ldlr(-/-) mice fed a high-fat diet (HFD), curcumin reduces plasma lipid levels, therefore contributing to a lower accumulation of lipids and to reduced expression of fatty acid transport proteins (CD36/FAT, FABP4/aP2) in peritoneal macrophages. In this study, we analyzed the molecular mechanisms by which curcumin (500, 1000, 1500 mg/kg diet, for 4 months) may influence plasma and tissue lipid levels in Ldlr(-/-) mice fed an HFD...
June 29, 2016: BioFactors
Angélica Saraí Jiménez-Osorio, Adriana Monroy, Silvestre Alavez
Curcumin ((1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione), the main component of the Indian spice turmeric, has been used in traditional medicine to improve diabetes and its comorbidities. Since the last two decades, scientific research has shown that in addition to its antioxidant properties, curcumin could also work as protein homeostasis regulator and it is able to modulate other intracellular pathways. Curcumin supplementation has been proposed to improve insulin resistance (IR) through the activation of the insulin receptor and its downstream pathways in several experimental models, pointing out that its clinical use may be a good and innocuous strategy to improve IR-related diseases...
June 21, 2016: BioFactors
Ching-Shu Lai, Ying-Yi Chen, Pei-Sheng Lee, Nagabhushanam Kalyanam, Chi-Tang Ho, Wen-Shiung Liou, Roch-Chui Yu, Min-Hsiung Pan
Obesity is caused by excessive accumulation of body fat and is closely related to complex metabolic diseases. Adipogenesis is a key process that is required in adipocyte hypertrophy in the development of obesity. Curcumin (Cur) has been reported to inhibit adipocyte differentiation, but the inhibitory effects of other curcuminoids present in turmeric, such as demethoxycurcumin (DMC) and bisdemethoxycurcumin (BDMC), on adipogenesis have not been investigated. Here, we investigated the effects of curcuminoids on adipogenesis and the molecular mechanisms of adipocyte differentiation...
February 3, 2016: Journal of Agricultural and Food Chemistry
Kyu-Ho Han, Chang-Hyun Lee, Mikio Kinoshita, Chan-Ho Oh, Ken-ichiro Shimada, Michihiro Fukushima
Indigestible carbohydrates may improve obesity. Spent turmeric contains high levels of dietary fibre and resistant starch (RS), which have fermentation potential in vitro. We hypothesised that indigestible carbohydrates in spent turmeric might prevent obesity development. In the first study, rats were administered 10% turmeric powder (TP) or spent turmeric powder (STP) in a high-fat (HF) diet for 28 d. In the second study, rats were fed 10% STP in a HF diet with or without antibiotics for 15 d. In the third study, rats were treated with a STP-containing suspension...
April 2016: Food & Function
Bao-Li Liu, Yi-Pu Chen, Hong Cheng, Yan-Yan Wang, Hong-Liang Rui, Min Yang, Hong-Rui Dong, Dan-Nuo Han, Jing Dong
The present study investigated the effects of curcumin, one of the most important active ingredients of turmeric, on podocyte injury in vitro and obesity-related glomerulopathy (ORG) in vivo. Cellular experiments in vitro showed that curcumin significantly antagonized leptin-induced downregulation of the mRNA and protein expression of podocyte-associated molecules including nephrin, podocin, podoplanin, and podocalyxin. Animal experiments in vivo showed that curcumin significantly reduced the body weight, Lee's index, abdominal fat index, urinary protein excretion, and average glomerular diameter and significantly upregulated the mRNA and protein expressions of the above podocyte-associated molecules in ORG mice...
2015: Evidence-based Complementary and Alternative Medicine: ECAM
Sarandeep S S Boyanapalli, Ah-Ng Tony Kong
Curcumin (diferuloylmethane), a polyphenolic compound, is a component of Curcuma longa, commonly known as turmeric. It is a well-known anti-inflammatory, anti-oxidative, and anti-lipidemic agent and has recently been shown to modulate several diseases via epigenetic regulation. Many recent studies have demonstrated the role of epigenetic inactivation of pivotal genes that regulate human pathologies, such as neurocognitive disorders, inflammation, obesity, and cancers. Epigenetic changes involve changes in DNA methylation, histone modifications, or altered microRNA expression patterns which are known to be interconnected and play a key role in tumor progression and failure of conventional chemotherapy...
April 2015: Current Pharmacology Reports
Youcai Tang
Nonalcoholic steatohepatitis (NASH) is the advanced form of nonalcoholic fatty liver disease, which is often accompanied by obese and/or type II diabetes mellitus. Approximately one-third of NASH patients develop hepatic fibrosis. Hepatic stellate cells are the major effector cells during liver fibrogenesis. Advanced liver fibrosis usually proceeds to cirrhosis and even hepatocellular carcinoma, leading to liver failure, portal hypertension and even death. Currently, there are no approved agents for treatment and prevention of liver fibrosis in human beings...
June 2015: Digestive Diseases and Sciences
Faridah Amin, Anwarul-Hassan Gilani, Malik Hassan Mehmood, Bina S Siddiqui, Nasima Khatoon
Among noncommunicable diseases, metabolic syndrome (MS), a cluster of metabolic disorders including obesity, hyperglycemia, hyperlipidemia and hypertension, is highly prevalent in modern society. Its management requires lifestyle modifications and/or the life-long use of multiple medications, hence demanding development of safe alternative remedies. This study was aimed to establish the efficacy of combined use of black seeds and turmeric using fructose-fed rat model of MS. The high-performance liquid chromatographic fingerprints of turmeric and black seeds showed the presence of curcumin and thymoquinone, respectively, as their major constitutes...
February 2015: Journal of Cardiovascular Pharmacology
Nancy Dewi Yuliana, Muzamal Iqbal, Muhammad Jahangir, Christofora Hanny Wijaya, Henrie Korthout, Marijke Kottenhage, Hye Kyong Kim, Robert Verpoorte
The potential health effects of 30 spices, commonly used for daily consumption, were submitted to bioactivity screening with several anti-obesity related bioassays: adenosine A1 receptor binding, cannabinoid CB1 receptor binding, TNF-α and 3T3-L1 adipocytes differentiation induction. Sesame seed and red chilli exhibited high binding activity to the adenosine A1 receptor and nutmeg, mace, black pepper and turmeric to the cannabinoid CB1 receptor, while piment and turmeric showed high inhibition of TNF-α accumulation...
June 15, 2011: Food Chemistry
Mi-Bo Kim, Changhee Kim, Youngwoo Song, Jae-Kwan Hwang
Xanthorrhizol, a natural compound isolated from Curcuma xanthorrhiza Roxb. (Java turmeric), has been reported to possess antioxidant and anticancer properties; however, its effects on metabolic disorders remain unknown. The aim of the present study was to evaluate the effects of xanthorrhizol (XAN) and C. xanthorrhiza extract (CXE) with standardized XAN on hyperglycemia and inflammatory markers in high-fat diet- (HFD-) induced obese mice. Treatment with XAN (10 or 25 mg/kg/day) or CXE (50 or 100 mg/kg/day) significantly decreased fasting and postprandial blood glucose levels in HFD-induced obese mice...
2014: Evidence-based Complementary and Alternative Medicine: ECAM
Lizbeth M Jiménez-Flores, Sergio López-Briones, Maciste H Macías-Cervantes, Joel Ramírez-Emiliano, Victoriano Pérez-Vázquez
Turmeric (Curcuma longa) is a rhizomatous herbaceous perennial plant of the ginger family which has been used to treat biliary disorders, anorexia, cough, rheumatism, cancer, sinusitis, hepatic disorders, hyperglycemia, obesity, and diabetes in both Ayurvedic and Traditional Chinese Medicine. Suggested mechanisms of action include the modulation of signal transduction cascades and effects on gene expression, however they remain to be elucidated. In this study, the expression of some proteins responsible for transcription factors, inflammation, and metabolic control were evaluated by western blot in 15-week-old db/db mice livers treated with curcumin 0...
2014: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Jun Hatakeyama, James M Davidson, Avinash Kant, Takeshi Koizumi, Fumiyo Hayakawa, Andrew J Taylor
Reducing fat content in foods to meet consumers' preferences and to address the obesity issue is a key task for food manufacturers but simply reducing fat content affects aroma quality adversely. Measuring the aroma release from regular and low-fat samples during eating to rebalance the aroma release has proved successful in model systems. Here, the reformulation of the spice content in a low fat curry sauce is described. Volatile markers of the key spices (coriander, cumin and turmeric) were selected and used to measure aroma release in regular (10 g oil/100 g) and low (2...
August 15, 2014: Food Chemistry
O H Kang, S B Kim, Y S Seo, D K Joung, S H Mun, J G Choi, Y M Lee, D G Kang, H S Lee, D Y Kwon
BACKGROUND AND OBJECTIVES: Non-alcoholic fatty liver disease (NAFLD) is one of the most common metabolic syndromes and is characterized by the accumulation of hepatic triglycerides (TG), which result from an imbalance between uptake, synthesis, export, and oxidation of fatty acids. Curcumin is a polyphenol derived from the herbal remedy and dietary spice turmeric, was found to prevent obesity and diabetes in mouse models. However, a hypolipidemic effect of curcumin in oleic acid- induced hepatocarcinoma cells has not been reported...
October 2013: European Review for Medical and Pharmacological Sciences
Min Young Um, Kwang Hyun Hwang, Jiyun Ahn, Tae Youl Ha
Curcumin is a well-known component of traditional turmeric (Curcuma longa), which has been reported to prevent obesity and diabetes. However, the effect of curcumin on hepatic lipid metabolism remains unclear. The aim of this study was to examine the effects of curcumin on hepatic steatosis in high-fat/cholesterol diet (HFD)-induced obese mice. Male C57BL/6J mice were fed a normal diet (ND), HFD or HFD with 0.15% curcumin (HFD+C) for 11 weeks. We found that curcumin significantly lowered the body-weight and adipose tissue weight of mice in the HFD+C group compared with the findings for the HFD group (p < 0...
September 2013: Basic & Clinical Pharmacology & Toxicology
Junpeng Wang, Sally M Vanegas, Xiaogang Du, Timothy Noble, Jean-Marc A Zingg, Mohsen Meydani, Simin Nikbin Meydani, Dayong Wu
BACKGROUND: Obesity is associated with low-grade inflammation and impaired immune response. Caloric restriction (CR) has been shown to inhibit inflammatory response and enhance cell-mediated immune function. Curcumin, the bioactive phenolic component of turmeric spice, is proposed to have anti-obesity and anti-inflammation properties while piperine, another bioactive phenolic compound present in pepper spice, can enhance the bioavailability and efficacy of curcumin. This study sought to determine if curcumin could potentiate CR's beneficial effect on immune and inflammatory responses in obesity developed in mice by feeding high-fat diet (HFD)...
2013: Nutrition & Metabolism
Muralidhara Rao Maradana, Ranjeny Thomas, Brendan J O'Sullivan
Type 2 diabetes is a chronic condition in which cells have reduced insulin signalling, leading to hyperglycemia and long-term complications, including heart, kidney and liver disease. Macrophages activated by dying or stressed cells, induce the transcription factor nuclear factor kappa-B leading to the production of pro-inflammatory cytokines including TNF and IL-6. These inflammatory macrophages in liver and adipose tissue promote insulin resistance, and medications which reduce inflammation and enhance insulin signalling improve glucose control...
September 2013: Molecular Nutrition & Food Research
Peter G Bradford
Turmeric has been long recognized for its anti-inflammatory and health-promoting properties. Curcumin is one of the principal anti-inflammatory and healthful components of turmeric comprising 2-8% of most turmeric preparations. Experimental evidence supports the activity of curcumin in promoting weight loss and reducing the incidence of obesity-related diseases. With the discovery that obesity is characterized by chronic low-grade metabolic inflammation, phytochemicals like curcumin which have anti-inflammatory activity are being intensely investigated...
January 2013: BioFactors
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