FAO联合国粮农组织：2012年粮农组织/食品信息报告-密度数据库版本2.0（英文版）

FAO/INFOODS prepared this database to provide a tool for researchers and professionals to convert volume into weight and vice-versa. Data were collected from the literature, various national food composition tables and measurements conducted by the authors (see bibliography). Version 1.0 included density data for 214 food entries in 16 food groups from six sources and version 2.0 includes 638 foods entries in 20 food groups from 11 sources. For version 2, in addition to density data it was de