Evidence map›Paper›PMID 23181558›Full record

ArticleNutrition & metabolism2012

Green tea powder and Lactobacillus plantarum affect gut microbiota, lipid metabolism and inflammation in high-fat fed C57BL/6J mice.

Ulrika Axling, Crister Olsson, Jie Xu, Céline Fernandez, Sara Larsson, Kristoffer Ström, Siv Ahrné, Cecilia Holm, Göran Molin, Karin Berger

Open access · goldAbstract read
In one paragraph

Article in Nutrition & metabolism, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 105 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
105citing papers in PubMed, 1 pooled it
10.5field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

105 citing papers in PubMed, 1 synthesis or guideline pooled it, 228 citations in OpenAlex.

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45 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 2 institutions in 1 country.

Ulrika Axling *Department of Experimental Medical Science, Lund University, Lund, Sweden.
Crister Olsson *Department of Applied Nutrition and Food Chemistry, Section of Food Hygiene, Lund University, Lund, Sweden.
Jie XuDepartment of Applied Nutrition and Food Chemistry, Section of Food Hygiene, Lund University, Lund, Sweden.
Céline FernandezDepartment of Experimental Medical Science, Lund University, Lund, Sweden.
Sara LarssonDepartment of Experimental Medical Science, Lund University, Lund, Sweden.
Kristoffer StrömDepartment of Experimental Medical Science, Lund University, Lund, Sweden.
Siv AhrnéDepartment of Applied Nutrition and Food Chemistry, Section of Food Hygiene, Lund University, Lund, Sweden.
Cecilia HolmDepartment of Experimental Medical Science, Lund University, Lund, Sweden.
Göran Molin *Department of Applied Nutrition and Food Chemistry, Section of Food Hygiene, Lund University, Lund, Sweden.
Karin Berger *Department of Experimental Medical Science, Lund University, Lund, Sweden.
Lund University · SEMid Sweden University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

unlabelled

backgroundType 2 diabetes is associated with obesity, ectopic lipid accumulation and low-grade inflammation. A dysfunctional gut microbiota has been suggested to participate in the pathogenesis of the disease. Green tea is rich in polyphenols and has previously been shown to exert beneficial metabolic effects. Lactobacillus plantarum has the ability to metabolize phenolic acids. The health promoting effect of whole green tea powder as a prebiotic compound has not been thoroughly investigated previously.

methodsC57BL/6J mice were fed a high-fat diet with or without a supplement of 4% green tea powder (GT), and offered drinking water supplemented with Lactobacillus plantarum DSM 15313 (Lp) or the combination of both (Lp + GT) for 22 weeks. Parameters related to obesity, glucose tolerance, lipid metabolism, hepatic steatosis and inflammation were examined. Small intestinal tissue and caecal content were collected for bacterial analysis.

resultsMice in the Lp + GT group had significantly more Lactobacillus and higher diversity of bacteria in the intestine compared to both mice in the control and the GT group. Green tea strongly reduced the body fat content and hepatic triacylglycerol and cholesterol accumulation. The reduction was negatively correlated to the amount of Akkermansia and/or the total amount of bacteria in the small intestine. Markers of inflammation were reduced in the Lp + GT group compared to control. PLS analysis of correlations between the microbiota and the metabolic variables of the individual mice showed that relatively few components of the microbiota had high impact on the correlation model.

conclusionsGreen tea powder in combination with a single strain of Lactobacillus plantarum was able to promote growth of Lactobacillus in the intestine and to attenuate high fat diet-induced inflammation. In addition, a component of the microbiota, Akkermansia, correlated negatively with several metabolic parameters known to be risk factors for the development of type 2 diabetes.

Identifiers

PMID23181558
PMCPMC3538623
OpenAlexW2137397517

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.