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USDA Database for the Isoflavone Content of Selected Foods, Release 2.1 (November 2015)

Published by Agricultural Research Service | Department of Agriculture | Metadata Last Checked: January 27, 2026 | Last Modified: 2025-11-21
This database contains data on the isoflavone content of 560 food items. Isoflavones included in the database are daidzein, genistein, glycitein and total isoflavones. Other phytoestrogens (coumestrol, biochanin A, and formononetin) are included as a separate table in the PDF report and in the database. Resources in this dataset:Resource Title: READ ME - USDA Database for the Isoflavone Content of Selected Foods, Release 2.1. File Name: Isoflav_R2-1.pdfResource Description: Information about the release history, documentation, format of the database, sources of data, and references cited in the data.Resource Software Recommended: Adobe Acrobat Reader,url: http://www.adobe.com/prodindex/acrobat/readstep.html Resource Title: Data Dictionary. File Name: Isoflav_R21_DD.pdfResource Title: Isoflav_R2-1.accdb . File Name: Isoflav_R2-1.zipResource Description: This file contains the Isoflavone Database imported into a MS Access database, version 2007 or later. The file structure is the same as that of the USDA National Nutrient Database for Standard Reference.

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