血糖生成指数(glycemic index,GI)是医学及食品领域研究的热点,目前尚无学者对该领域学术研究现状进行系统分析。该研究选取1992—2022年WOS(Web Of Science)及中国知网(CNKI)数据库中关于GI相关的学术期刊文献作为研究资料,采用文献计量学研究思路与方法,以CiteSpace、VOSviewer、Excel等软件为工具,对所纳入的1 389篇外文文献及365篇中文文献进行可视化分析。从文献的作者、发文机构、期刊类别、关键词共现分析、聚类分析、突现分析等7个方面对文献资料进行系统分析。结果显示,影响食物GI高低的因素、GI饮食干预慢性病患者的效果、低GI食品的开发等作为主要的研究方向。食品GI的研究已有40多年历史,国外文献偏向于基础研究,国内侧重于应用研究。国外研究从研究深度、学术影响力、团队实力都强于国内,但国内GI研究发展势头乐观。未来GI研究领域,各研究机构及团队应强化跨地域、跨国界、跨学科的合作交流,增加GI在相关领域的高质量证据支持。
Glycemic index (GI) is a research hotspot in the field of medicine and food. At present, no scholar has systematically analyzed the academic research status in this field. In order to make more researchers be familiar with the research directions and progresses of GI, the academic literatures which from Web of Science (WOS) and CNKI database were selected from 1992 to 2022 as data samples. 1 389 foreign literatures and 365 Chinese literatures were analyzed by bibliometric method, and visualized by means of CiteSpace, VOSviewer, Excel, and other analysis software. A general overview of the current research situation can be obtained according to the visual analysis of authors, dispatch agencies, journals, co-occurrence network, cluster, emergence graph of keywords. The results showed that the main research directions were the factors affecting GI, the effect of low GI diet on patients with chronic diseases, and the development of low GI food. The research on GI has a history of more than 40 years. Foreign literature tends to be basic research while domestic literature focuses on applied research. Foreign research is stronger than research in China in terms of research depth, academic influence and team strength, but the future of GI research in China is optimistic. In the future researches on GI, research institutions and teams should strengthen cross-regional, cross-border, and interdisciplinary cooperation and exchanges, and increase high-quality evidence support for GI in related fields.
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