Effectiveness of green tea on weight reduction in obese Thais: A randomized, controlled trial

Auvichayapat, Paradee; Prapochanung, Montira; Tunkamnerdthai, Oratai; Sripanidkulchai, Bungorn; Auvichayapat, Narong; Thinkhamrop, Bandit; Kunhasura, Soontorn; Wongpratoom, Srisuda; Sinawat, Supat; Hongprapas, Pranithi

doi:10.1016/j.physbeh.2007.10.009

Cited by 183 publications

(177 citation statements)

References 30 publications

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“…[10][11][12][13][14][15][16][17] On the other hand, studies with Caucasian subjects reported mixed results. [18][19][20] Moreover, the amount of regular caffeine intake may also influence the effectiveness of catechins.…”

Section: Introductionmentioning

confidence: 99%

The effects of green tea on weight loss and weight maintenance: a meta-analysis

2009

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Introduction. Different outcomes of the effect of green tea on weight loss (WL) and weight maintenance (WM) have been reported in studies with subjects differing in ethnicity and habitual caffeine intake. Purpose. To elucidate by meta-analysis whether green tea indeed has a function in body weight regulation. Methods. English-language studies about WL and WM after green tea supplementation were identified through PubMed and based on the references from retrieved articles. Out of the 49 studies initially identified, a total of 11 articles fitted the inclusion criteria and provided useful information for the meta-analysis. Effect sizes (mean weight change in treatment versus control group) were computed and aggregated based on a random-effects model. The influence of several moderators on the effect sizes was examined. Results. Catechins significantly decreased body weight and significantly maintained body weight after a period of WL (m ¼ À1.31 kg; Po0.001). Inhibition of this effect by high habitual caffeine intake (4300 mg per day) failed to reach significance (m ¼ À0.27 kg for high andm ¼ À1.60 kg for low habitual caffeine intake; P ¼ 0.09). Also, the seemingly smaller effect of catechins in Caucasian (m ¼ À0.82 kg) subjects compared with Asians (m ¼ -1.51 kg; P ¼ 0.37) did not reach significance. Interaction of ethnicity and caffeine intake was a significant moderator (P ¼ 0.04). Conclusions. Catechins or an epigallocatechin gallate (EGCG)-caffeine mixture have a small positive effect on WL and WM. The results suggest that habitual caffeine intake and ethnicity may be moderators, as they may influence the effect of catechins.

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Section: Introductionmentioning

confidence: 99%

The effects of green tea on weight loss and weight maintenance: a meta-analysis

2009

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“…The studies were double-blind, randomized, and placebocontrolled. In the study [8], which took place at Khon Kaen University in Thailand, selected participants were students of medicine faculty. All the participants in the research were fully informed about the detail of the study and their consent was taken.…”

Section: Methodsmentioning

confidence: 99%

Weight Parameters and Green Tea Effect; A Review

Hussain¹,

Ghani²,

Ali³

et al. 2018

Adv. sci. technol. eng. syst. j.

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“…Most of the studies also showed that supplementation with green tea catechins led to significant decreases in BW and body fat. The reduction in BW ranged from 0.7 kg (Auvichayapat et al, 2008) to 3.5 kg (Chantre and Lairon, 2002), and the loss in body fat ranged from 0.7 kg (Nagao et al, 2005) to 1.8 kg (Nagao et al, 2007). The dosage of EGCG used in the aforementioned investigations ranged from 100 mg/d (Nagao et al, 2007) to 540 mg/d (Chan et al, 2006).…”

Section: Prevention Of Metabolic Syndrome (Mets) and Cardiovascular Dmentioning

confidence: 99%

Tea and human health: biomedical functions of tea active components and current issues

Chen

Zhi

2015

J. Zhejiang Univ. Sci. B

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Originating in China, tea and tea planting have spread throughout the world since the middle of the Tang dynasty. Now people from 160 countries in the world are accustomed to tea drinking. A brief history of tea's medicinal role in China and its spread to the world are introduced. The effectiveness of tea active components and tea drinking on major human diseases, including cancer, metabolic syndrome, cardiovascular disease, and neurodegenerative diseases, is discussed. Also presented are some related issues, such as the bioavailability of tea active components, the new formulations of tea polyphenols, and the safety for consumers of dietary supplements containing tea polyphenols.

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Effectiveness of green tea on weight reduction in obese Thais: A randomized, controlled trial

Cited by 183 publications

References 30 publications

The effects of green tea on weight loss and weight maintenance: a meta-analysis

The effects of green tea on weight loss and weight maintenance: a meta-analysis

Weight Parameters and Green Tea Effect; A Review

Tea and human health: biomedical functions of tea active components and current issues

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