Green Tea, Studies
Beneficial effects of green tea: A literature review
From Ancient Brew to Modern Marvel: Green Tea’s 531 Health Benefits
Green Tea: An Ancient Antioxidant Drink for Optimal Health?
Aging
Alzheimer’s
Green tea leaf constituents inhibit the formation of lysozyme amyloid aggregates.
Antibacterial
Antioxidant
- Modulation of Nrf2-mediated antioxidant and detoxifying enzyme induction by the green tea polyphenol EGCG
- Effect of green tea supplementation on antioxidant status in adults
Antiviral
- Antiviral Properties of Prodelphinidin B-2 3′-O-Gallate from Green Tea Leaf
- Antiviral activity of green tea and black tea polyphenols in prophylaxis and treatment of COVID-19.
Blood Sugar
- Green tea significantly lowered fasting glucose and Hb A1c concentrations, and may also reduce fasting insulin concentrations.
- Effects of Coffee and Tea Consumption on Glucose Metabolism: A Systematic Review and Network Meta-Analysis
Cancer
- Green tea is a cancer preventive, and green tea catechins act as synergists with anticancer compounds.
- Prevention of carcinogenesis by tea polyphenols
- Phase I trial of oral green tea extract in adult patients with solid tumors
- Human salivary tea catechin levels and catechin esterase activities: implications in human cancer prevention studies
- Effects of tea, decaffeinated tea, and caffeine on UVB light-induced complete carcinogenesis in SKH-1 mice: demonstration of caffeine as a biologically important constituent of tea.
- VEGF Receptor Phosphorylation Status and Apoptosis is Modulated by a Green Tea Component, Epigallocatechin-3-gallate (EGCG) in B cell Chronic Lymphocytic Leukemia.
Breast Cancer
- The combination of CS plus metronomic ZOL demonstrated significant antitumor, anti-metastatic and anti-osteolytic effects against breast cancer
- Green tea inhibits vascular endothelial growth factor (VEGF) induction in human breast cancer cells
- Evaluation of breast cancer risk associated with tea consumption by menopausal and estrogen receptor status among Chinese women in Hong Kong.
- The safety of green tea extract supplementation in postmenopausal women at risk for breast cancer: results of the Minnesota Green Tea Trial.
- Effects of a green tea extract, Polyphenon E, on systemic biomarkers of growth factor signalling in women with hormone receptor-negative breast cancer.
Gastric Cancer
- Green tea and the risk of gastric cancer in Japan
- Green tea consumption and risk of stomach cancer: a meta-analysis of epidemiologic studies
Hepatocellular Cancer / Liver Cancer
- Mitigation of fumonisin biomarkers by green tea polyphenols in a high-risk population of hepatocellular carcinoma.
- Green tea intake had a significant lowering effect on the risk of developing liver cancer.
Lung Cancer
- Green tea consumption and lung cancer risk: the Ohsaki study.
- Myelogenous leukemia
- Catechin, green tea component, causes caspase-independent necrosis-like cell death in chronic myelogenous leukemia.
Oral Cancer
Ovarian Cancer
Prostate
- Green tea induced changes in NFκB and systemic oxidation, and uptake of GT polyphenols in prostate tissue they may have a role in prostate cancer prevention and treatment.
- Randomized, Placebo-Controlled Trial of Green Tea Catechins for Prostate Cancer Prevention
- Randomized clinical trial of brewed green and black tea in men with prostate cancer prior to prostatectomy
- Green tea catechins for chemoprevention of prostate cancer in patients with histologically-proven HG-PIN or ASAP. Concise review and meta-analysis
- Using Green Tea to Help Prevent Cancer and Treat Cancer
Cardiovascular Effects
- Cholesterol-lowering effect of a theaflavin-enriched green tea extract: a randomized controlled trial
- The protective effect of habitual tea consumption on hypertension.
- A constituent of green tea, epigallocatechin-3-gallate, activates endothelial nitric oxide synthase by a phosphatidylinositol-3-OH-kinase, cAMP-dependent protein kinase, and Akt-dependent pathway and leads to endothelial-dependent vasorelaxation.
- The present meta-analysis suggests that green tea and its catechins may improve blood pressure.
- Green tea intake results in significant reductions in systolic blood pressure.
- Structural characteristics of green tea catechins for formation of protein carbonyl in human serum albumin.
- New Discovery Explains Blood Pressure-Lowering Properties of Green and Black Tea
- Green tea could improve elderly hypertension.
- Green tea consumption may be associated with a reduced risk of coronary heart disease.
- The consumption of green tea is associated with a reduced risk of hypertension in premenopausal women.
Cerebrovascular Effects
- Possible contribution of green tea drinking habits to the prevention of stroke.
- Higher consumption of green tea was inversely associated with stroke risk in middle-aged and older Korean men.
Cognitive Effects
- Green tea extract enhances parieto-frontal connectivity during working memory processing
- Green tea improves cognitive function through reducing AD-pathology and improving anti-oxidative stress capacity.
- Green tea catechins attenuate neurodegenerative diseases and cognitive deficits.
Diabetes
- Lower Death Risk in People With Diabetes Who Drink Green Tea and Coffee Daily
- α-glucosidase inhibitory activities and the interaction mechanism of novel spiro-flavoalkaloids from YingDe green tea.
- Effect of epigallocatechin gallate in green tea on preventing lens opacity and αB-crystallin aggregation.
- Green tea consumption is associated with reduced risk of CVD, stroke, and CHD in overweight/obese T2D patients.
Eyes
Anti-inflammatory effects of green tea extracts in eye diseases.
Gastrointestinal Effects
- Green tea could reduce inflammatory and oxidant patterns in Inflammatory bowel diseases.
- Green Tea Polyphenols Modulate Colonic Microbiota Diversity and Lipid Metabolism in High-Fat Diet Treated HFA Mice.
- Long-term treatment with green tea polyphenols modifies the gut microbiome of female sprague-dawley rats.
- Effects of purified green and black tea polyphenols on cyclooxygenase- and lipoxygenase-dependent metabolism of arachidonic acid in human colon mucosa and colon tumor tissues.
Hepatoprotective
- Anti-inflammatory activities of green tea catechins along the gut-liver axis in nonalcoholic fatty liver disease.
- Green Tea Extract Provides Extensive Nrf2-Independent Protection Against Lipid Accumulation and NFκB Pro- Inflammatory Responses During Nonalcoholic Steatohepatitis In Mice Fed A High-Fat Diet
- Salubrious effects of green tea catechins on fatty liver disease.
Immune System Effects
- This study proved the anti-inflammatory activity of green tea over black tea extracts and equal to that of indomethacin in AIA rat model.
- Green tea reduced ROS production, improving the redox status and reducing pro-inflammatory cytokine production by lymphocytes.
Kidneys & Urinary Tract Effects
Liver Effects
- Green tea intake reduces the risk of liver disease.
- Green Tea Lowers Hepatic COX-2 and Prostaglandin E2 in Rats with Dietary Fat-Induced Nonalcoholic Steatohepatitis
- Green tea polyphenols prevent lipopolysaccharide-induced inflammatory liver injury.
Metabolism
Neurological Effects
Green Tea, A medicinal food with promising neurological benefits.
Obesity /Overweight
- Treatment of obese rats with green tea showed a significant immunomodulatory effect on the obese conditions, recovering some of these factors such H2O2 and HOCl production.
- Lipid-lowering effects of concurrent training and green tea consumption in overweight women.
- Green tea (-)-epigallocatechin-3-gallate reduces body weight with regulation of multiple genes expression in adipose tissue of diet-induced obese mice.
- Green tea catechin consumption enhances exercise-induced abdominal fat loss in overweight and obese adults.
- Long-term supplementation of green tea extract does not modify adiposity or bone mineral density in a randomized trial of overweight and obese postmenopausal women
- The results of present meta-analysis study support the use of green tea for the improvement of obesity indices.
- Green tea epigallocatechin gallate suppresses 3T3-L1 cell growth via microRNA-143/MAPK7 pathways.
- Green tea aqueous extract (GTAE) prevents high-fat diet-induced obesity by activating fat browning.
- Green tea beneficial effects involve changes in the profile of immune cells in the adipose tissue of obese mice.
- Green tea for weight loss and weight maintenance in overweight or obese adults.
- The effects of green tea on weight loss and weight maintenance.
- A 60-day green tea extract supplementation counteracts the dysfunction of adipose tissue in overweight post-menopausal and class I obese women.
Oral Health
- Effect of green tea on volatile sulfur compounds in mouth air.
- green tea polyphenols possess a number of properties that may contribute to reduce S. moorei-related halitosis.
- The tested green tea mouthwash could be considered a good alternative for chlorhexidine in contraindicating situations.
- In vitro antibacterial activity of Camellia sinensis extract against cariogenic microorganisms
- Chemoprevention of oral cancer by green tea.
- Anti-cariogenic properties of tea (Camellia sinensis).
- Both EGCG and green tea could be used as alternatives to chlorhexidine-based mouthwashes.