Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Changes in USDA food composition data for 43 garden crops, 1950 to 1999

Davis DR, Epp MD, Riordan HD

J Am Coll Nutr · 1950.0

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Summary

Research article addressing Changes in USDA food composition data for 43 garden crops, 1950 to 1999 (USA scope). Describes approach and implications for (Changes in concentrations of selected nutrients in vegetables over ~50 years; measures: Percent change in protein, calcium, phosphorus, iron, riboflavin and vitamin…). Relevant to nutrition & health decision-making, with UK…

UK applicability

Based on US data but widely cited as evidence of nutrient dilution in modern crops. Suggests similar trade-offs may occur in UK horticulture under high-yield systems.

Key measures

Percent change in protein, calcium, phosphorus, iron, riboflavin and vitamin C between 1950 and 1999

Outcomes reported

Changes in concentrations of selected nutrients in vegetables over ~50 years

Theme
Nutrition & health
Subject
Crop systems
Study type
Research
Study design
Secondary analysis of historical food composition tables
Source type
Peer-reviewed study
Status
Published
Geography
USA
System type
Horticultural crops; food composition data
DOI
10.1080/07315724.2004.10719409
Catalogue ID
XL0033

Topic tags

nutritioncrop
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