Phytochemical composition of everbearing strawberries and storage quality of strawberry fruit treated by precooling
2018
Hong, S.J., Gangneung-Wonju National University, Gangneung, Republic of Korea | Yeoung, Y.R., Gangneung-Wonju National University, Gangneung, Republic of Korea | Eum, H.L., Gangneung-Wonju National University, Gangneung, Republic of Korea
This study was conducted to investigate the nutrient composition of everbearing strawberry cultivar grown on highlands of Gangwon province after harvest. Various phytochemical compositions such as ascorbic acid, anthocyanin, malondialdehyde, and phenolic compounds were analyzed in strawberry fruits from five different cultivars (cv. Albion, Flamenco, Goha, San Andreas, and Seascape). Ascorbic acid content was similar among five cultivars at 20 mg 100 g-¹ , whereas major pigment anthocyanin in Seascape was higher than in any other cultivars. Goha and San Andreas showed higher total phenolic compound contents. The effect of room or forcedair precooling on Flamenco and Goha was studied. Higher weight loss was observed in Flamenco treated with forcedair cooling, while in Goha both precooling treatments induced weight loss. Both precooling treatments were effective to maintain firmness in two strawberry cultivars. Forced air cooling maintained total phenolic contents until 12 days of storage, and the efficiency accelerated by low temperature storage.
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