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USDA National Nutrient Database for Standard Reference, Release 22

Dataset Summary

Agency	Department of Agriculture
Sub-Agency	Agricultural Research Service
Category	Health and Nutrition
Date Released	30-Sep-1980
Date Updated	30-Sep-2009
Time Period	Annually updated since 1996
Frequency	continuous
Description	The USDA Nutrient Database for Standard Reference, Release 22 (SR22) is the major source of food composition data in the United States and provides the foundation for most public and private sector databases. SR22 contains nutrient data for over 7,500 food items for up to 143 food components, such as vitamins, minerals, amino acids, and fatty acids. It replaces the previous release,

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Dataset Metrics

Number of Downloads

1,387

Dataset Information

Data.gov Data Category Type	Raw Data Catalog
Specialized Data Category Designation	Research
Keywords	food composition, nutrient compostion
Unique ID	1458

Contributing Agency Information

Citation	U.S. Department of Agriculture, Agricultural Research Service. 2009. USDA National Nutrient Database for Standard Reference, Release 22. Nutrient Data Laboratory Home Page, http://www.ars.usda.gov/ba/bhnrc/ndl
Agency Program Page	http://www.ars.usda.gov/main/site_main.htm?modecode=12-35-45-00
Agency Data Series Page	http://www.ars.usda.gov/Services/docs.htm?docid=8964

Dataset Coverage

Unit of Analysis	Individual food items
Granularity
Geographic Coverage	United States of America

Data Description

Collection Mode
Data Collection Instrument	http://www.ars.usda.gov/SP2UserFiles/Place/12354500/Data/SR22/sr22_doc.pdf
Data Dictionary/Variable List	http://www.ars.usda.gov/SP2UserFiles/Place/12354500/Data/SR22/sr22_doc.pdf

Additional Dataset Documentation

Technical Documentation	http://www.ars.usda.gov/SP2UserFiles/Place/12354500/Data/SR22/sr22_doc.pdf
Additional Metadata

OMB Control No. 3090-0284