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Low-frequency polarized electric field promotes stilbene biosynthesis by redirecting phenylpropanoid flux in postharvest grapes

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Resveratrol is a health-promoting stilbenoid in grape berries, but its postharvest accumulation remains limited. Here, grape berries were treated with a low-frequency polarized electric field (LFPEF) at 2500 V and 50 Hz for 3 h/d during storage. LFPEF increase... ...