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EFFECT OF CHIA SEED (SALVIA HISPANICA L.) CONSUMPTION ON CARDIOVASCULAR RISK FACTORS IN HUMANS: A SYSTEMATIC REVIEW.

Overview of attention for article published in Nutrición Hospitalaria, November 2015
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Title
EFFECT OF CHIA SEED (SALVIA HISPANICA L.) CONSUMPTION ON CARDIOVASCULAR RISK FACTORS IN HUMANS: A SYSTEMATIC REVIEW.
Published in
Nutrición Hospitalaria, November 2015
DOI 10.3305/nh.2015.32.5.9394
Pubmed ID
Authors

Cynthia de Souza Ferreira, Lucilia de Fátima dd Sousa Fomes, Gilze Espirito Santo da Silva, Glorimar Rosa

Abstract

chia is a seed rich in such nutrients as proteins, n-3 fatty acids and especially alpha-linolenic acid (ALA), minerals, fibers and antioxidants. Efforts have been made to assess whether human consumption of chia can reduce cardiovascular risk factors; however, it has not been established as effective and the findings of the few studies to have looked into the matter are inconsistent. to systematize the findings of studies assessing the effect the consumption of chia seed, either milled or whole, has in the prevention/control of cardiovascular risk factors in humans. this is a systematic literature review (SLR) with no meta-analysis. The articles scrutinizedwere identified in the electronic databases Lilacs, Medline (Pub- Med version), Cochrane, Scielo, Scopus, and Web of Science under the keywords"dyslipidemia" or "dislipidemia", "hyperlipidemia" or "hiperlipidemia", "obesity" or "obesidade", "salvia"or"salviahispanica", "Lamiaceae" or "chia", "hypertension" or "hipertensão", "hypertrygliceridemia" or "hipertrigliceridemia", and "riscocardiovascular" or "cardiovascularrisk." We chose for our selection English-, Portuguese- or Spanish-language articles about clinical trials on humans and published within the last ten years. The biases of risk analysis were carried out considering 6 of the 8 criteria of the Cochrane Handbook for Systematic Reviews of Interventions Version 5.1. seven studies (n = 200) fit our inclusion criteria. Of the chosen clinical trials, only one was not randomized. Five of the studies were blind experiments. Two of the studies were acute trials, both of them randomized. Of the chia seed interventions, one study showed a significant drop in systolic blood pressure (SBP) and inflammatory markers, yet there was no change in body mass, lipid profile or blood sugar. In four of the studies reviewed there was a significant spike in ALA and eicosapentaenoic acid (EPA), with no significant change to other parameters. In the acute trials, post-prandial blood sugar was significantly lower. Only one study showed a significant drop in triglycerides (TG), body mass and inflammatory markers; however, the chia seed in that case was mixed with other foods. Most of the studies showed unclear or low risk of bias. Two studies showed a high risk of bias because not all the pre-specified primary outcomes were reported in the findings. most of the studies did not demonstrate statistically significant results in relation to cardiovascular disease (CVD) risk factors. The evidence regarding the relationship between chia seed consumption and cardiovascular risk factors are insufficient, and the studies included in this review present numerous limitations. Further research is hence needed.

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Geographical breakdown

Country Count As %
Spain 1 <1%
Unknown 206 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 40 19%
Student > Master 34 16%
Researcher 20 10%
Student > Ph. D. Student 13 6%
Student > Postgraduate 11 5%
Other 31 15%
Unknown 58 28%
Readers by discipline Count As %
Medicine and Dentistry 38 18%
Agricultural and Biological Sciences 28 14%
Nursing and Health Professions 24 12%
Biochemistry, Genetics and Molecular Biology 21 10%
Pharmacology, Toxicology and Pharmaceutical Science 7 3%
Other 21 10%
Unknown 68 33%