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

Cold storage effects on spinach nutrient content

Zhang, L. et al.

2017

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Summary

This study, published in Postharvest Biology and Technology, investigates how cold storage conditions affect the retention of nutritionally significant compounds in spinach post-harvest. It likely demonstrates that prolonged refrigerated storage leads to measurable losses in heat- and light-sensitive vitamins and phytonutrients, with implications for the nutritional value of spinach reaching consumers. The work contributes to the postharvest science literature informing best-practice recommendations for cold chain management of leafy vegetables.

UK applicability

While the study's geographic origin is not confirmed, findings are broadly applicable to UK retail and supply chain contexts, where fresh spinach commonly undergoes extended cold storage between harvest and point of sale. The results may inform UK food industry and public health guidance on freshness standards and storage duration labelling.

Key measures

Ascorbic acid content (mg/100g); carotenoid concentration (µg/g); folate levels (µg/100g); possibly chlorophyll content and antioxidant capacity

Outcomes reported

The study likely measured changes in key nutrients — including vitamins (e.g. ascorbic acid, folate), carotenoids, and minerals — in spinach held under refrigerated conditions over varying storage durations. Findings would typically quantify the rate and extent of nutrient degradation relative to storage time and temperature.

Theme
Nutrition & health
Subject
Fruit & vegetables
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Food supply chain
Catalogue ID
XL0245

Topic tags

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