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Home > Anti-aging Research > Green coffee bean extract

Green Coffee Bean Extract

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News & Research:

  • Chemical in coffee may help prevent obesity-related disease - Science Daily, 11/14/14 - "chlorogenic acid, or CGA, significantly reduced insulin resistance and accumulation of fat in the livers of mice who were fed a high-fat diet ... which is found in great abundance in coffee, but also in other fruits and vegetables like apples, pears, tomatoes and blueberries ... CGA was not only effective in preventing weight gain, but it also helped maintain normal blood sugar levels and healthy liver composition ... CGA is a powerful antioxidant that reduces inflammation" - See chlorogenic acid at Amazon.com.
  • Green Coffee Bean Extract: Helpful or All Hype? - U.S. News, 8/1/13
  • Could Coffee Bean Extract Help Control Blood Sugar? - WebMD, 4/9/13 - "Vinson's study analyzed 30 men and women of normal weight who did not have diabetes. They took supplements containing between 100 milligrams (mg) and 400 mg of the green coffee extract in a capsule with water, followed by glucose tolerance tests at several points afterward ... All doses of the extract appeared to lower participants' blood sugar levels, Vinson said, but a dose of 400 mg was associated with a 24 percent drop 30 minutes after taking the extract and a 31 percent drop 120 minutes later ... Vinson said he believes the sugar-lowering effects of green coffee extract are due to its concentration of chlorogenic acids -- antioxidants found in apples, cherries, plums and other fruits and vegetables. High temperatures used to roast coffee beans typically break down chlorogenic acids, he said, so coffee beverages contain less of them than extracts found in supplements" - [Science Daily]


  • Mediation of coffee-induced improvements in human vascular function by chlorogenic acids and its metabolites: Two randomized, controlled, crossover intervention trials - Clin Nutr. 2016 Nov 30 - "polyphenol intake has been linked to improvements in human vascular function, although data on hydroxycinnamates, such as chlorogenic acid (CGA) have not yet been studied. We aimed to investigate the impact of coffee intake rich in chlorogenic acid on human vascular function and whether CGAs are involved in potential effects ... flow-mediated dilatation (FMD) ... FMD responses to coffee intake was closely paralleled by the appearance of CGA metabolites in plasma ... pure 5-caffeoylquinic acid (5-CQA), the main CGA in coffee (5-CQA; 450 mg and 900 mg) on FMD was also investigated ... Coffee intake acutely improves human vascular function, an effect, in part, mediated by 5-CQA and its physiological metabolites" - See green coffee bean extract at Amazon.com (usually standardized to 50% chlorogenic acids.
  • Chlorogenic Acid Extends the Lifespan of Caenorhabditis elegans via Insulin/IGF-1 Signaling Pathway - J Gerontol A Biol Sci Med Sci. 2016 Jul 4 - "Coffee and tea, two of the most popular drinks around the world, share many in common from chemical components to beneficial effects on human health. One of their shared components, the polyphenols, most notably chlorogenic acid (CGA), was supposed to account for many of the beneficial effects on ameliorating diseases occurred accompanying people aging, such as the antioxidant effect and against diabetes and cardiovascular disease ... We found that CGA could extend the lifespan of C. elegans by up to 20.1%, delay the age-related decline of body movement, and improve stress resistance"
  • Chlorogenic acid and caffeine in combination inhibit fat accumulation by regulating hepatic lipid metabolism-related enzymes in mice - Br J Nutr. 2014 Sep;112(6):1034-40 - "chlorogenic acid (CGA) ... forty mice were randomly assigned to four groups and fed diets containing no CGA or caffeine, CGA, caffeine, or CGA+caffeine for 24 weeks ... There was a decrease in the body weight and IPAT weight of mice fed the CGA+caffeine diet. There was a significant decrease in the serum and hepatic concentrations of total cholesterol, TAG and leptin of mice fed the CGA+caffeine diet ... These results indicate that CGA+caffeine suppresses fat accumulation and body weight gain by regulating the activities and mRNA and protein expression levels of hepatic lipid metabolism-related enzymes and that these effects are stronger than those exerted by CGA and caffeine individually" - See green coffee bean extract at Amazon.com.
  • Cognitive and neuroprotective effects of chlorogenic acid - Nutr Neurosci. 2014 Aug 17 - "chlorogenic acid (CGA) ... A literature search was conducted using PubMed ... Recent research suggests that dietary consumption of CGA could produce a wide range of health benefits and physiological effects. There is also mounting evidence that the consumption of polyphenols, including CGA, in the diet could reduce the risk of developing neurodegenerative conditions"
    • Chlorogenic acid - Wikipedia - "Chlorogenic acid can be found in bamboo Phyllostachys edulis.[8] as well as in many other plants.[9] It is one of the major phenolic compounds identified in peach[10] and in prunes.[11] It also is one of the phenols found in green coffee bean extract"
  • The effect of chlorogenic acid on blood pressure: a systematic review and meta-analysis of randomized clinical trials - J Hum Hypertens. 2014 Jun 19 - "Meta-analysis revealed a statistically significant reduction in systolic blood pressure in favour of CGA (mean difference (MD): -4.31 mm Hg; 95% confidence interval (CI): -5.60 to -3.01; I2=65%; P<0.00001). Meta-analysis also showed a significant reduction in diastolic blood pressure favouring CGA (MD: -3.68 mm Hg; 95% CI: -3.91 to -3.45; I2=97%; P<0.00001)" - See artichoke extract at Amazon.com and chlorogenic acid at Amazon.com.
  • Decaffeinated green coffee bean extract attenuates diet-induced obesity and insulin resistance in mice - Evid Based Complement Alternat Med. 2014;2014:718379 - "decaffeinated green coffee bean extract appeared to reverse HFD-induced fat accumulation and insulin resistance by downregulating the genes involved in adipogenesis and inflammation in visceral adipose tissue" - See green coffee bean extract at Amazon.com.
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