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21 papers 0 to 25 followers
Chao Kang, Yong Zhang, Xiaohui Zhu, Kai Liu, Xiaolan Wang, Mengting Chen, Jian Wang, Hua Chen, Suocheng Hui, Li Huang, Qianyong Zhang, Jundong Zhu, Bin Wang, Mantian Mi
CONTEXT: Previous population studies in evaluating the beneficial effects of capsaicin (CAP) have yielded inconclusive results, and the mechanisms responsible for possible benefit remain unclear. OBJECTIVE: The objective was to assess the effect of dietary CAP on metabolic and immune profiles and its potential associations with gut microbial patterns in healthy adults. DESIGN: In a 6-week controlled feeding trial, subjects were given the weight maintenance diet sequentially contained with 0, 5, 0, and 10 mg/d CAP from chili powder...
December 2016: Journal of Clinical Endocrinology and Metabolism
Shaherin Basith, Minghua Cui, Sunhye Hong, Sun Choi
Capsaicin is the most predominant and naturally occurring alkamide found in Capsicum fruits. Since its discovery in the 19th century, the therapeutic roles of capsaicin have been well characterized. The potential applications of capsaicin range from food flavorings to therapeutics. Indeed, capsaicin and few of its analogues have featured in clinical research covered by more than a thousand patents. Previous records suggest pleiotropic pharmacological activities of capsaicin such as an analgesic, anti-obesity, anti-pruritic, anti-inflammatory, anti-apoptotic, anti-cancer, anti-oxidant, and neuro-protective functions...
July 23, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
H Fukuda, Y Mizuta, H Isomoto, F Takeshima, K Ohnita, K Ohba, K Omagari, K Taniyama, S Kohno
BACKGROUND: Ghrelin may stimulate gastric motility via the vagal nerve pathway. However, the mechanism of ghrelin-induced changes in gastrointestinal motility has not yet been clearly defined. The present study was designed to investigate whether ghrelin accelerates gastric emptying via capsaicin-sensitive afferent neurones and directly affects the enteric neuromuscular function. METHODS: Gastric emptying of nutrient solids was assessed after intravenous administration of saline or ghrelin in conscious rats...
December 2004: Scandinavian Journal of Gastroenterology
Xinsheng Peng, Yanfang Zhou, Ke Han, Lingzhen Qin, Linghui Dian, Ge Li, Xin Pan, Chuanbin Wu
Phytantriol- and glycerol monooleate-based cubosomes were produced and characterized as a targeted and sustained transdermal delivery system for capsaicin. The cubosomes were prepared by emulsification and homogenization of phytantriol (F1), glycerol monooleate (F2), and poloxamer dispersions, characterized for morphology and particle size distribution by transmission electron microscope and photon correlation spectroscopy. Their Im3m crystallographic space group was confirmed by small-angle X-ray scattering...
2015: Drug Design, Development and Therapy
Jacolene Kroff, David J Hume, Paula Pienaar, Ross Tucker, Estelle V Lambert, Dale E Rae
A growing body of evidence suggests that capsaicin ingestion may lead to desirable metabolic outcomes; however, the results in humans are equivocal. Whether or not benefits may be gained from ingestion of capsaicin via a commercially available meal has not been determined. The objectives of this randomised, cross-over intervention study were to compare the 2 h postprandial effects of a standard commercially prepared meal containing chilli (HOT, 5·82 mg total capsaicinoids) with a similar meal with no chilli (CON, 25 kg/m2 and a waist circumference >94 cm (men) or 80 cm (women), were studied...
September 11, 2015: British Journal of Nutrition
Eunjung Lee, Dae Young Jung, Jong Hun Kim, Payal R Patel, Xiaodi Hu, Yongjin Lee, Yoshihiro Azuma, Hsun-Fan Wang, Nicholas Tsitsilianos, Umber Shafiq, Jung Yeon Kwon, Hyong Joo Lee, Ki Won Lee, Jason K Kim
Insulin resistance is a major characteristic of obesity and type 2 diabetes, but the underlying mechanism is unclear. Recent studies have shown a metabolic role of capsaicin that may be mediated via the transient receptor potential vanilloid type-1 (TRPV1) channel. In this study, TRPV1 knockout (KO) and wild-type (WT) mice (as controls) were fed a high-fat diet (HFD), and metabolic studies were performed to measure insulin and leptin action. The TRPV1 KO mice became more obese than the WT mice after HFD, partly attributed to altered energy balance and leptin resistance in the KO mice...
August 2015: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
J Oh, F Giallongo, T Frederick, J Pate, S Walusimbi, R J Elias, E H Wall, D Bravo, A N Hristov
This study investigated the effect of Capsicum oleoresin in granular form (CAP) on nutrient digestibility, immune responses, oxidative stress markers, blood chemistry, rumen fermentation, rumen bacterial populations, and productivity of lactating dairy cows. Eight multiparous Holstein cows, including 3 ruminally cannulated, were used in a replicated 4×4 Latin square design experiment. Experimental periods were 25 d in duration, including a 14-d adaptation and an 11-d data collection and sampling period. Treatments included control (no CAP) and daily supplementation of 250, 500, or 1,000 mg of CAP/cow...
September 2015: Journal of Dairy Science
Jing Tang, Kang Luo, Yan Li, Quan Chen, Dan Tang, Deming Wang, Ji Xiao
Here, we investigated the role of LXRα in capsaicin mediated anti-inflammatory effects. Results revealed that capsaicin inhibits LPS-induced IL-1β, IL-6 and TNF-α production in a time- and dose-dependent manner. Moreover, capsaicin increases LXRα expression through PPARγ pathway. Inhibition of LXRα activation by siRNA diminished the inhibitory action of capsaicin on LPS-induced IL-1β, IL-6 and TNF-α production. Additionally, LXRα siRNA abrogated the inhibitory action of capsaicin on p65 NF-κB protein expression...
September 2015: International Immunopharmacology
Javad Kiani, Firuzeh Sajedi, Saman Ahmad Nasrollahi, Farzaneh Esna-Ashari
BACKGROUND: Incomplete efficiency of oral medications restricts their therapeutic success in pain control of the painful form of the diabetic peripheral neuropathy (DPN). Use of topical medications because of less systemic side effects is more acceptable. This study aimed to compare the effect of clonidine gel and capsaicin cream in relieving pain associated with DPN. MATERIALS AND METHODS: This 12-week, randomized, double-blind and parallel-group trial was conducted to compare the efficacy and safety of topical clonidine and capsaicin...
April 2015: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
Mark F McCarty, James J DiNicolantonio, James H O'Keefe
Capsaicin, the phytochemical responsible for the spiciness of peppers, has the potential to modulate metabolism via activation of transient receptor potential vanilloid 1 (TRPV1) receptors, which are found not only on nociceptive sensory neurons, but also in a range of other tissues. TRPV1 activation induces calcium influx, and in certain tissues this is associated with increased activation or expression of key proteins such as endothelial nitric oxide synthase (eNOS), uncoupling protein 2 (UCP2), KLF2, PPARdelta, PPARgamma, and LXRα...
2015: Open Heart
Pandi Anandakumar, Sattu Kamaraj, Sundaram Jagan, Gopalakrishnan Ramakrishnan, Selvamani Asokkumar, Chandrashekar Naveenkumar, Subramanian Raghunandhakumar, Manickam Kalappan Vanitha, Thiruvengadam Devaki
OBJECTIVES: Capsaicin (CAP) is the chief pungent principle found in the hot red peppers and the chili peppers that have long been used as spices, food additives and drugs. This study investigated the anticancer potential of CAP through its ability to modify extracellular matrix components and proteases during mice lung carcinogenesis. METHODS: Swiss albino mice were treated with benzo(a) pyrene (50 mg/kg body weight dissolved in olive oil) orally twice a week for four successive weeks to induce lung cancer at the end of 14(th) week...
June 2015: Journal of Pharmacopuncture
Takeshi Toyoda, Liang Shi, Shinji Takasu, Young-Man Cho, Yuka Kiriyama, Akiyoshi Nishikawa, Kumiko Ogawa, Masae Tatematsu, Tetsuya Tsukamoto
BACKGROUND: Spices have been used for thousands of years, and recent studies suggest that certain spices confer beneficial effects on gastric disorders. The purpose of this study was to evaluate possible chemopreventive effects of spice-derived compounds on Helicobacter pylori (H. pylori)-induced gastritis. METHODS: We examined the inhibitory effects of curcumin, capsaicin, and piperine on H. pylori in vitro by determining the colony-forming units and real-time RT-PCR in H...
April 2016: Helicobacter
Krishnapura Srinivasan
Dietary hypocholesterolemic spices - curcumin (active compound of turmeric (Curcuma longa) and capsaicin (active compound of red pepper (Capsicum annuum), the active principles of spices - turmeric (Curcuma longa) and red pepper (Capsicum annuum), fenugreek (Trigonella foenum-graecum) seeds, garlic (Allium sativum), and onion (Allium cepa) are documented to have anti-cholelithogenic property in animal model. These spices prevent the induction of cholesterol gallstones by lithogenic high cholesterol diet and also regress the pre-established cholesterol gallstones, by virtue of their hypolipidemic potential...
July 6, 2015: Critical Reviews in Food Science and Nutrition
Fatemeh Saffarzadeh, Mohammad J Eslamizade, Tahereh Ghadiri, Sayed Mostafa Modarres Mousavi, Mahmoudreza Hadjighassem, Ali Gorji
Temporal lobe epilepsy is often presented by medically intractable recurrent seizures due to dysfunction of temporal lobe structures, mostly the temporomesial structures. The role of transient receptor potential vaniloid 1 (TRPV1) activity on synaptic plasticity of the epileptic brain tissues was investigated. We studied hippocampal TRPV1 protein content and distribution in the hippocampus of epileptic rats. Furthermore, the effects of pharmacologic modulation of TRPV1 receptors on field excitatory postsynaptic potentials have been analyzed after induction of long term potentiation (LTP) in the hippocampal CA1 and CA3 areas after 1 day (acute phase) and 3 months (chronic phase) of pilocarpine-induced status epilepticus (SE)...
July 2015: Synapse
Krishnapura Srinivasan
Capsaicin, the pungent alkaloid of red pepper (Capsicum annuum) has been extensively studied for its biological effects which are of pharmacological relevance. These include: cardio protective influence, antilithogenic effect, antiinflammatory, and analgesia, thermogenic influence, and beneficial effects on gastrointestinal system. Therefore, capsaicinoids may have the potential clinical value for pain relief, cancer prevention and weight loss. It has been shown that capsaicinoids are potential agonists of capsaicin receptor (TRPV1)...
July 3, 2016: Critical Reviews in Food Science and Nutrition
Qing-Guang Qin, Xin-Yan Gao, Kun Liu, Xiao-Chun Yu, Liang Li, Hai-Ping Wang, Bing Zhu
AIM: To investigate the effect and mechanism of acupuncture at heterotopic acupoints on jejunal motility, particularly in pathological conditions. METHODS: Jejunal motility was assessed using a manometric balloon placed in the jejunum approximately 18-20 cm downstream from the pylorus and filled with approximately 0.1 mL warm water in anesthetized normal rats or rats with diarrhea or constipation. The heterotopic acupoints including LI11 (Quchi), ST37 (Shangjuxu), BL25 (Dachangshu), and the homotopic acupoint ST25 (Tianshu), and were stimulated for 60 s by rotating acupuncture needles right and left at a frequency of 2 Hz...
December 28, 2014: World Journal of Gastroenterology: WJG
Kana Ohyama, Yoshihito Nogusa, Katsuya Suzuki, Kosaku Shinoda, Shingo Kajimura, Makoto Bannai
Exercise effectively prevents the development of obesity and obesity-related diseases such as type 2 diabetes. Capsinoids (CSNs) are capsaicin analogs found in a nonpungent pepper that increase whole body energy expenditure. Although both exercise and CSNs have antiobesity functions, the effectiveness of exercise with CSN supplementation has not yet been investigated. Here, we examined whether the beneficial effects of exercise could be further enhanced by CSN supplementation in mice. Mice were randomly assigned to four groups: 1) high-fat diet (HFD, Control), 2) HFD containing 0...
February 15, 2015: American Journal of Physiology. Endocrinology and Metabolism
Qin Hong, Chen Xia, Hu Xiangying, Yuan Quan
Capsaicin, found in red peppers, has been reported to have anti‑obesity, anti‑hypertension, anti‑diabetes and anti‑inflammatory functions. In the present study, we determined the effect of non‑pungent capsinoids on the metabolism of adipocytes. We demonstrated that capsinoids suppressed fat accumulation in vivo and in vitro in mice. Liver, the main tissue of lipid metabolism, was treated by capsinoids, and HMG‑CoA reductase, CPT‑1, FAT/CD36 and GLUT4 were found to be increased significantly, which demonstrated promotion of the lipid metabolism in liver and adipose tissues...
March 2015: Molecular Medicine Reports
William D Rollyson, Cody A Stover, Kathleen C Brown, Haley E Perry, Cathryn D Stevenson, Christopher A McNees, John G Ball, Monica A Valentovic, Piyali Dasgupta
The dietary compound capsaicin is responsible for the "hot and spicy" taste of chili peppers and pepper extracts. It is a valuable pharmacological agent with several therapeutic applications in controlling pain and inflammation. Emerging studies show that it displays potent anti-tumor activity in several human cancers. On a more basic research level, capsaicin has been used as a ligand to activate several types of ion-channel receptors. The pharmacological activity of capsaicin-like compounds is dependent on several factors like the dose, the route of administration and most importantly on its concentration at target tissues...
December 28, 2014: Journal of Controlled Release: Official Journal of the Controlled Release Society
Roger Reidelberger, Alvin Haver, Krista Anders, Bettye Apenteng
Cholecystokinin (CCK)-induced suppression of feeding is mediated by vagal sensory neurons that are destroyed by the neurotoxin capsaicin (CAP). Here we determined whether CAP-sensitive neurons mediate anorexic responses to intravenous infusions of gut hormones peptide YY-(3-36) [PYY-(3-36)] and glucagon-like peptide-1 (GLP-1). Rats received three intraperitoneal injections of CAP or vehicle (VEH) in 24 h. After recovery, non-food-deprived rats received at dark onset a 3-h intravenous infusion of CCK-8 (5, 17 pmol·kg⁻¹·min⁻¹), PYY-(3-36) (5, 17, 50 pmol·kg⁻¹·min⁻¹), or GLP-1 (17, 50 pmol·kg⁻¹·min⁻¹)...
October 15, 2014: American Journal of Physiology. Endocrinology and Metabolism
2014-12-05 16:38:32
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