Consumo de chá verde (Camellia sinensis) e os seus benefícios sobre a densidade mineral óssea
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Universidade Federal de Goiás
The objective of this paper was to present a description of the evidences in the literature on the association between the consumption of green tea and bone mineral density (BMD). For this narrative review, the search was performed using the following electronic databases: Science Direct, Web of Science, PubMed, Cochrane, Google Scholar and Embase. The descriptors were used in English, without restriction for the year of publication. In order to find articles relating green tea to BMD, abstracts were initially selected and articles that presented the pre-established inclusion criteria were read in full. Two reviewers performed the search, selection and extraction of data, independently. There were 49 studies that fit the initial criteria of search, from which 10 were selected (2 epidemiological studies, 3 clinical trials randomized trials and 5 animal studies). The studies evaluated BMD directly (the most frequently methods used being DXA scan) and / or indirectly (evaluation of biomarkers of bone formation and remodelling). Although most observational and experimental studies included in this article have suggested a beneficial effect of green tea in relation to BMD, few were performed in humans, and of these none showed a positive association. An effective supplementation dose for humans has also not been established, nor safety parameters. Thus, further studies are required to conclude if supplementation of green tea or its phenolic compounds is effective in the treatment or prevention of osteoporosis.
Chá verde, Epicatequina-3-galato, DMO, Osteoporose, Green tea, Epicatechin-3- gallato, BMD, Osteoporosis
SANTOS, Ana Carolina Pereira; SILVA, Talita da Cruz. Consumo de chá verde (Camellia sinensis) e os seus benefícios sobre a densidade mineral óssea. 2017. 43 f. Trabalho de Conclusão de Curso (Graduação) – Faculdade de Nutrição, Universidade Federal de Goiás, Goiânia, 2017.