Beneficial effects of oolong tea consumption on diet-induced overweight and obese subjects

Rong-rong He; Ling Chen; Bing-hui Lin; Yokichi Matsui; Xin-sheng Yao; Hiroshi Kurihara

doi:10.1007/s11655-009-0034-8

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Beneficial effects of oolong tea consumption on diet-induced overweight and obese subjects

OriginalPaper | Updated：2021-08-27

- Beneficial effects of oolong tea consumption on diet-induced overweight and obese subjects
- Beneficial effects of oolong tea consumption on diet-induced overweight and obese subjects
- 中国结合医学杂志（英文版） 2009年15卷第1期页码：34-41
- Affiliations：
  
  1. School of Traditional Chinese Materia Medicine, Shenyang Pharmaceutical University,Shenyang,China
  2. Fujian Institute of Traditional Chinese Medicine,Fuzhou,China
  3. Products Development Center, Suntory Ltd.,Osaka,Japan
  4. Institute of Traditional Chinese Medicine and Natural Products, Jinan University,Guangzhou,China
- Author bio：
- Funds：
- DOI：10.1007/s11655-009-0034-8
  中图分类号：
- 纸质出版日期：2009，
  
  网络出版日期：2009-3-7，
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He, Rr., Chen, L., Lin, Bh. et al. Beneficial effects of oolong tea consumption on diet-induced overweight and obese subjects., Chin. J. Integr. Med. 15, 34–41 (2009). https://doi.org/10.1007/s11655-009-0034-8

Rong-rong He, Ling Chen, Bing-hui Lin, et al. Beneficial effects of oolong tea consumption on diet-induced overweight and obese subjects[J]. Chinese Journal of Integrative Medicine, 2009,15(1):34-41.
He, Rr., Chen, L., Lin, Bh. et al. Beneficial effects of oolong tea consumption on diet-induced overweight and obese subjects., Chin. J. Integr. Med. 15, 34–41 (2009). https://doi.org/10.1007/s11655-009-0034-8 DOI：

Rong-rong He, Ling Chen, Bing-hui Lin, et al. Beneficial effects of oolong tea consumption on diet-induced overweight and obese subjects[J]. Chinese Journal of Integrative Medicine, 2009,15(1):34-41. DOI： 10.1007/s11655-009-0034-8.

摘要

To determine the anti-obesity effects of oolong tea on diet-induced overweight or obesity. A total of 8 g of oolong tea a day for 6 weeks was ingested by 102 diet-induced overweight or obese subjects. The body fat level of the subjects was determined at the same time by taking body weight

height and waist measurements. The thickness of the subcutaneous fat layer was also determined on the abdomen 3 cm to the right of the navel by the ultrasonic echo method. On the other hand

effects of oolong tea ingestion on plasma triglyceride (TG) and total cholesterol (TC) were determined. Inhibitions of pancreatic lipase by oolong tea extract and catechins in vitro were also determined. A total of 70% of the severely obese subjects did show a decrease of more than 1 kg in body weight

including 22% who lost more than 3 kg. Similarly

64% of the obese subjects and 66% of the overweight subjects lost more than 1 kg during the experiment

and the subcutaneous fat content decreased in 12% of the subjects. The correlation between weight loss and subcutaneous fat decrease in men (r=0.055) was obviously lower than that in women (r=0.440

P<0.01). Body weight loss was signifificantly related to the decrease of the waist size in men (r=0.730

P<0.01) and women (r=0.480

P<0.01). Also

the correlation between subcutaneous fat reduction and decreased waist size was signifificant in women (r=0.554

P<0.01)

but not in men (r=0.050

P>0.05). Moreover

the plasma levels of TG and TC of the subjects with hyperlipidemia were remarkably decreased after ingesting oolong tea for 6 weeks. In vitro assays for the inhibition of pancreatic lipase by oolong tea extract and catechins suggest that the mechanism for oolong tea to prevent hyperlipidemia may be related to the regulative action of oolong tea catechins in lipoprotein activity. Oolong tea could decrease body fat content and reduce body weight through improving lipid metabolism. Chronic consumption of oolong tea may prevent against obesity.

Abstract

height and waist measurements. The thickness of the subcutaneous fat layer was also determined on the abdomen 3 cm to the right of the navel by the ultrasonic echo method. On the other hand

including 22% who lost more than 3 kg. Similarly

64% of the obese subjects and 66% of the overweight subjects lost more than 1 kg during the experiment

and the subcutaneous fat content decreased in 12% of the subjects. The correlation between weight loss and subcutaneous fat decrease in men (r=0.055) was obviously lower than that in women (r=0.440

P<0.01). Body weight loss was signifificantly related to the decrease of the waist size in men (r=0.730

P<0.01) and women (r=0.480

P<0.01). Also

the correlation between subcutaneous fat reduction and decreased waist size was signifificant in women (r=0.554

P<0.01)

but not in men (r=0.050

P>0.05). Moreover

关键词

oolong teaoverweightobesitycholesteroltriglyceridepancreatic lipase

Keywords

oolong teaoverweightobesitycholesteroltriglyceridepancreatic lipase

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