Influence of low-temperature and UV-B treatment timing (preharvest, postharvest, or split) on kale phytochemicals during storage

Zhengjie Ji; Huihui Liu; Susanne Neugart

doi:10.1016/j.postharvbio.2026.114465

May 25, 2026Postharvest Biology and TechnologyOpen Access

Influence of low-temperature and UV-B treatment timing (preharvest, postharvest, or split) on kale phytochemicals during storage

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Key Points

This research aims to determine how the timing of low-temperature and UV-B treatments affects kale phytochemical composition and storage.
Evaluated preharvest, postharvest, and split timing for low-temperature and UV-B treatments.
Measured total phenolics and metabolic responses during the storage period.
PRE and POST treatments significantly reduced weight loss and delayed senescence.
PRE and PP treatments increased total phenolics by up to 20%.
A clear metabolic trade-off was observed between pigment degradation and phenolic biosynthesis.

Implication

Explores how different treatment timings affect kale phytochemicals, suggesting optimal storage methods.

Abstract

• PRE and POST treatments effectively reduced weight loss and delayed senescence. • PRE and PP treatments increased total phenolics by up to 20%. • Pigment degradation and phenolic biosynthesis show a clear metabolic trade-off. • LT&UV-B timing determined the activation and persistence of kale metabolism.

Discussion

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Cite This Study

Ji et al. (2026) studied this question.

synapsesocial.com/papers/6a17daca3fad632b0f9d7b77 https://doi.org/10.1016/j.postharvbio.2026.114465

View Full Paper

Ask AI

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Influence of low-temperature and UV-B treatment timing (preharvest, postharvest, or split) on kale phytochemicals during storage

Key Points

Implication

Abstract

Discussion

Cite This Study

Influence of low-temperature and UV-B treatment timing (preharvest, postharvest, or split) on kale phytochemicals during storage

Key Points

Implication

Abstract

Discussion

Cite This Study

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