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| 不同浓度褪黑素处理对草莓保鲜效果的影响 |
| Effects of Different Melatonin Concentrations on Preservation of Strawberries |
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| DOI： |
| 中文关键词: 草莓 褪黑素 保鲜 |
| 英文关键词:Strawberry Melatonin Preservation |
| 基金项目:杨凌职业技术学院重点科研项目：设施草莓绿色高效栽培集成化技术应用研究（0300441）；陕西省重点研发计划：褪黑素对提高草莓抗逆性和果实采后保鲜的功能研究（2023-YBNY-043）。 |
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| 中文摘要: |
| 草莓果皮娇嫩，易受机械损伤及病原菌侵染的特点给草莓保鲜带来难题，故草莓保鲜技术的研究具有重要意义。近年来，褪黑素在调控果实发育和采后果实保鲜中的作用是研究热点。为了测评不同浓度的褪黑素溶液处理对草莓（Fragaria ananassa Duch.）的保鲜效果，本研究选用‘章姬’和‘红颜’两个草莓品种，分别使用浓度0.1 mmol/L、0.3 mmol/L和0.5 mmol/L褪黑素溶液处理草莓果实，测定褪黑素处理后草莓果实腐烂率、失重率、硬度、可溶性固形物、可滴定酸、Vc含量等参数。结果表明，对于‘章姬’和‘红颜’两个草莓品种，褪黑素最佳的保鲜浓度分别为0.5 mmol/L和0.3 mmol/L。 |
| 英文摘要: |
| Strawberries are characterized by their delicate skin, making them highly susceptible to mechanical damage and pathogen infection. This poses significant challenges to their preservation. Consequently, the development of effective strawberry preservation technologies is of great significance. In recent years, the role of melatonin in regulating fruit development and enhancing postharvest preservation has gained significant attention. This study aimed to evaluate the preservation effects of melatonin solutions at different concentrations on strawberries (Fragaria ananassa Duch.). Two strawberry cultivars, ‘Zhangji’ and ‘Hongyan’ were selected and treated with melatonin solutions at concentrations of 0.1 mmol/L, 0.3 mmol/L, and 0.5 mmol/L. Key parameters such as rot rate, weight loss rate, firmness, soluble solids content, titratable acidity, and vitamin C content were measured following melatonin treatment. The results showed that the optimal melatonin concentrations for preserving ‘Zhangji’ and ‘Hongyan’ strawberries were 0.5 mmol/L and 0.3 mmol/L, respectively. |
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