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茉莉酮酸脂与高氧处理对冷藏水蜜桃的风味影响

DOI: 10.3321/j.issn:1000-7091.1999.04.026, PP. 137-141

Keywords: 水蜜桃,茉莉酮酸酯,异味物质,低氧,高氧,冷害,风味

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Abstract:

以水蜜桃品种为试材,设低O2,高O2,茉莉酮酸甲脂(MJ)以及MJ和高O2混合(Mix)4个处理,以空气(Air)处理作对照。处理后,放在2℃的条件下冷藏。采样测定冷藏后果肉组织内的次生代谢物质(异味物质)。结果表明,与对照相比,高O2和Mix处理均有效抑制冷藏前、中期乙烯和CO2产生;低氧处理,使整个冷藏期乙烯和CO2的产生受抑;单独MJ处理,前期乙烯释放受抑,但加快了整个冷藏期CO2的释放;Mix处理有效抑制了水蜜桃组织中乙醇、乙醛、乙酸的积累,桃的冷藏风味较好。预处理时间愈长,这种效果愈明显。单独MJ处理和低O2处理不能长期保持水蜜桃的风味。

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