Bibliometric analysis of the scientific literature on dietary fiber in the MEDLINE bibliographic database
DOI:
https://doi.org/10.14306/renhyd.21.1.275Keywords:
Dietary Fiber, Diet, Bibliometrics, MEDLINEAbstract
Introduction: To evaluate the scientific literature on dietary fiber collected in PubMed database by bibliometric analysis.
Material and methods: It is a descriptive study. It was calculated the sample size by estimating population parameters in an infinite population (n=386). The sampling method was simple random without replacement.
Results: The most common type of document was original articles with 177 documents (45.9%; 95% CI: 40.9 to 50.1), being the productivity index of 2.25. The age of the documents analyzed was 17.7 (95% CI: 16.4 to 18.9), with a median of 15.5 years. Revised documents were predominantly written in English, 352 cases (91.2%; 95% CI: 88.4 to 94.0), followed by German in 11 articles (2.9%; 95% CI: 1.2 to 4.5), Russian 7 times (1.8%; 95% CI: 0.5 to 3.1) and Spanish with 6 items (1.6%; 95% CI: 0.3 to 2.8). The magazines that had 15 or more jobs in search results made, are 4: American Journal of Clinical Nutrition with 31 references (8.0%; 95% CI: 5.3 to 10.7), Journal of Animal Science with 20 references (5.2%; 95% CI: 3.0 to 7.4), British Journal of Nutrition with 16 references (4.2%; 95% CI: 2.2 to 6.1) and European Journal of Clinical Nutrition with 15 references (3.9%; 95% CI: 2.0 to 5.8).
Conclusions: This study indicates that dietary fiber is a topic highly researched subject where English is still the majority language. The descriptors are in line with the subject studied.
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