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Network Pharmacology Prediction and Metabolomics Validation of the Mechanism of Fructus Phyllanthi against Hyperlipidemia
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Green tea catechins decrease total and low-density lipoprotein cholesterol: a systematic review and meta-analysis.

Amie Kim1, Andrew Chiu, Meredith K Barone

  • 1University of Connecticut School of Pharmacy, Hartford, CT, USA.

Journal of the American Dietetic Association
|October 27, 2011
PubMed
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Green tea catechins (GTCs) significantly reduce total and LDL cholesterol. This meta-analysis found no significant impact on HDL cholesterol or triglycerides, highlighting GTCs

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Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
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Published on: January 28, 2021

Area of Science:

  • Nutritional Science
  • Cardiovascular Health
  • Biochemistry

Background:

  • Green tea catechins (GTCs) have been investigated for potential lipid-lowering effects.
  • Previous randomized controlled trials (RCTs) yielded small sample sizes and conflicting outcomes.

Purpose of the Study:

  • To conduct a systematic review and meta-analysis of RCTs.
  • To evaluate the relationship between GTCs and serum lipid levels (total cholesterol, LDL, HDL, triglycerides).

Main Methods:

  • Systematic literature search of multiple databases (MEDLINE, EMBASE, Cochrane CENTRAL, Natural Medicines Comprehensive Database) through March 2010.
  • Inclusion of RCTs in humans comparing GTCs to control, reporting on lipid endpoints.
  • Random-effects models used to calculate weighted mean differences for lipid changes from baseline.

Main Results:

  • Twenty trials (N=1,415) met inclusion criteria.
  • GTCs (145–3,000 mg/day for 3–24 weeks) significantly reduced total cholesterol (-5.46 mg/dL) and LDL cholesterol (-5.30 mg/dL) compared to control.
  • No significant alterations were observed in HDL cholesterol or triglyceride levels.

Conclusions:

  • GTC consumption is associated with a statistically significant reduction in total and LDL cholesterol.
  • GTCs did not demonstrate a significant effect on HDL cholesterol or triglyceride levels in this meta-analysis.