Ultrasound pretreatment enhances drying efficiency and phenolic retention in raspberries during heat pump drying by modulating cell wall structure and water status
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Prolonged drying time and substantial loss of bioactive compounds remain major challenges in raspberry drying. This study investigated the effects of ultrasound pretreatment (45 kHz, 500 W, 45 °C, 5-20 min) on cell wall structure and physicochemical propertie... ...
