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中国精品科技期刊2020
CaCl2处理对草莓采后品质及灰霉病害的影响[J]. 食品工业科技, 2013, (13): 313-316. DOI: 10.13386/j.issn1002-0306.2013.13.071
引用本文: CaCl2处理对草莓采后品质及灰霉病害的影响[J]. 食品工业科技, 2013, (13): 313-316. DOI: 10.13386/j.issn1002-0306.2013.13.071
Influence of CaCl2 on quality and gray mold rot in postharvest strawberry fruit[J]. Science and Technology of Food Industry, 2013, (13): 313-316. DOI: 10.13386/j.issn1002-0306.2013.13.071
Citation: Influence of CaCl2 on quality and gray mold rot in postharvest strawberry fruit[J]. Science and Technology of Food Industry, 2013, (13): 313-316. DOI: 10.13386/j.issn1002-0306.2013.13.071

CaCl2处理对草莓采后品质及灰霉病害的影响

Influence of CaCl2 on quality and gray mold rot in postharvest strawberry fruit

  • 摘要: 选用CaCl2溶液处理新鲜草莓,研究其对草莓采后品质的影响及对贮期灰霉病的抑制作用。研究结果表明CaCl2处理具有较好地保持采后草莓品质的能力,尤其是经10%浓度CaCl2处理的草莓果实在贮藏期间品质最好。CaCl2处理还可以抑制灰葡萄孢的菌丝生长与孢子萌发,并显著地降低草莓果实贮藏期间灰霉病的发病率,且该抑菌效果与CaCl2使用浓度呈正相关。此外,CaCl2处理会影响草莓果实抗病相关物质的含量。经10%、5%浓度CaCl2处理的草莓果实在贮藏早期(1d)其木质素含量和苯丙氨酸解氨酶(PAL)活性均显著地高于对照;而在贮藏中后期(6~12d和9~12d),其过氧化氢酶(CAT)及过氧化物酶(POD)活性也均显著地高于对照。由此可见,CaCl2处理可以诱导采后草莓抗病性相关物质的积累并进而提高草莓果实对于灰霉病的防御能力。 

     

    Abstract: CaCl2 was selected to keep strawberry fresh. The influence of CaCl2 on postharvest quality and the inhibitory effect to gray mold rot during storage were studied.It was indicated that CaCl2 had the ability to maintain postharvest quality of strawberry. Especially, the strawberry fruit treated with 10% CaCl2 were freshest during the whole storage.CaCl2 could also inhibit the mycelial growth and spore germination of Botrytis cinerea, and reduce the incidence of gray mold rot in strawberry fruit significantly. Furthermore, the antibacterial effect of CaCl2 was positively correlated to its concentration. The content of defense-related substances in strawberry fruit was influenced by CaCl2 . On the first day of storage, strawberry fruit treated with 10% and 5% CaCl2 showed significantly higher lignin content and phenylalanine ammonia lyase (PAL) activity than the control, moreover, catalase (CAT) (6~12d) and peroxidase ( POD) (9~12d) activities were also significantly higher than the control. Therefore, CaCl2 can induce the accumulation of disease-related substances in postharvest strawberry and thus improve the defense capability for gray mold rot in strawberry fruit.

     

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