Berry Consumption

Presentation Slides

Chinese Medicine Research Hub

Randomised Controlled Trial

Both whole blueberries and freeze-dried blueberry powder significantly enhanced plasma nitrite levels, a marker of cardiovascular health, but did not significantly affect other cardiovascular risk factors.

2022 Nutrients Effects of Blueberry Consumption on Cardiovascular Health in Healthy Adults: A Cross-Over Randomised Controlled Trial
Wang Y, Gallegos JL, Haskell-Ramsay C, Lodge JK

Chinese Medicine Research Hub

Meta-Analysis

Blueberry and cranberry consumption significantly lowered fasting blood glucose and glycated hemoglobin levels in individuals with diabetes.

2022 Nutrition, Metabolism and Cardiovascular Diseases Effects of blueberry and cranberry on type 2 diabetes parameters in individuals with or without diabetes: A systematic review and meta-analysis of randomized clinical trials
Delpino FM, Figueiredo LM, Gonçalves da Silva T, Flores TR

Executive Summary

Write an executive summary in the form of a blog article on the topic of "Research into Chinese medicine treatment for Berry Consumption" summarising the research below and using language that can be easily understood by patients and avoiding medical jargon using a professional and caring tone of voice.

Write an executive summary in the form of a blog article on the topic of "Researched Chinese medicine treatments for Berry Consumption" summarising the research below in an objective and easy to understand way, and using language that can be easily understood by patients. Group the article into Chinese medicine treatments first, followed by nutrition and other treatments. Avoid using medical jargon and use a professional and caring tone of voice.

Write me a concise but easy to understand executive summary on the topic of "Chinese medicine treatments for Berry Consumption" based on the following research that I will give you. Your summary should be 2 paragraphs long in Australian English spelling and include references to the studies.

A Randomised Controlled Trial published in 2022 in the journal Nutrients found that Both whole blueberries and freeze-dried blueberry powder significantly enhanced plasma nitrite levels, a marker of cardiovascular health, but did not significantly affect other cardiovascular risk factors. In this study, a cross-over randomised controlled trial was carried out with three groups: one consuming fresh blueberries, one consuming freeze-dried blueberry powder, and one as the control group. All participated in 1 week of treatment, with a 1-week wash-out period between treatments. The study involved the measurement of systolic and diastolic blood pressure, pulse wave velocity, plasma cholesterol levels (low-density and high-density lipoprotein cholesterol and total cholesterol), triglyceride levels, and glucose and nitrite concentrations. The results indicated an improvement of plasma nitrite levels following both whole blueberry and blueberry powder supplementations compared to their baselines, hinting at potential benefits to cardiovascular health. However, no other significant effects were observed for blood pressure, total cholesterol, low-density and high-density lipoprotein cholesterol, triglycerides, or glucose. Also, none of the changes in individual treatment arms were significantly different from the control. Essentially, the form of blueberry consumed, whether whole or in powder form, did not show any unique advantage in improving cardiovascular health factors.

A Meta-Analysis published in 2022 in the journal Nutrition, Metabolism and Cardiovascular Diseases found that Blueberry and cranberry consumption significantly lowered fasting blood glucose and glycated hemoglobin levels in individuals with diabetes. The research methodology involved a systematic literature review and meta-analysis using publications sourced from seven different databases (PubMed, LILACS, Scielo, Scopus, Web of Science, Cochrane, and Embase) up until May 2021. The researchers included randomized clinical trials where the effects of blueberry or cranberry on parameters linked to type 2 diabetes such as fasting blood glucose, insulin resistance, and glycated hemoglobin were compared. The quality of these studies was evaluated using the Cochrane scale while the Egger test was utilized to assess publication bias and the meta-regression evaluated the estimated effect sizes with potential moderator variables. Following an initial identification of 2034 studies, 39 full-text studies were read, out of which 22 met the criteria to be included in the final meta-analysis. The findings showed that individuals with diabetes experienced significant reductions in fasting blood glucose and glycated hemoglobin readings following the consumption of blueberries or cranberries. However, no significant effects were seen on insulin resistance. While the results were not universally significant when it came to the general population, an exception was found in the sensitivity analysis for fasting blood glucose.

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