WANG Xiaojing,WU Hao,HU Panpan.Effects of Red Jujube Polyphenol Precoating on Grape Storage Quality[J].Northern Horticulture,2023,(24):89-95.[doi:10.11937/bfyy.20232367]
红枣多酚预涂膜对葡萄贮藏品质的影响
- Title:
- Effects of Red Jujube Polyphenol Precoating on Grape Storage Quality
- 文章编号:
- 1001-0009(2023)24-0089-07
- Keywords:
- grape; red jujube polyphenols; retain freshness; storage
- 分类号:
- S 663.1
- 文献标志码:
- A
- 摘要:
- 以葡萄为试材，采用0.5%、0.7%、0.9%、1.1%不同浓度的红枣多酚溶液涂膜处理葡萄果实，每隔48 h对葡萄的感官评价、腐烂率、失重率、可溶性固形物含量、可滴定酸度、抗坏血酸含量、氧化还原酶活性和多酚氧化酶活性进行测定,研究了不同浓度红枣多酚处理对葡萄采后贮藏品质的影响，以期为葡萄采后贮藏提供参考依据。结果表明：涂膜组与对照组相比，涂膜组能显著降低葡萄在贮藏过程中的腐败率和失重率，并且可以显著降低葡萄在贮藏前期的呼吸强度，进而抑制可滴定酸、可溶性固形物以及抗坏血酸含量的降低。涂膜D组在16 d时可滴定酸、可溶性固形物含量和抗坏血酸含量分别比对照组高0.208%、4.31%和3.49 mg·（100g）-1；其中涂膜组与对照组相比多酚氧化酶和氧化还原酶活性得到有效抑制，以涂膜B组与A组尤为显著。因此红枣多酚预涂膜处理处理能有效保持果实内外在品质，适用于葡萄的采后贮藏。
- Abstract:
- Grapes were used as experimental materials,grape fruits were coated with different concentrations of red jujube polyphenol solutions at 0.5%，0.7%，0.9% and 1.1% concentrations.The sensory evaluation，decay rate，weight loss rate，soluble solid content，titratable acidity，ascorbic acid content,oxidoreductase and polyphenol oxidase activity of the grapes were measured every 48 hours, the effects of different concentrations of red jujube polyphenols on the quality of grape post harvest storage were studied，in order to provide reference for grape post harvest storage.The results showed that compared with the control group，the coating group could significantly reduce the decay rate and weight loss rate of grapes during storage，and significantly reduce the respiratory intensity of grapes in the early stage of storage，thereby inhibiting the reduction of titratable acid，soluble solids，and ascorbic acid content.The titratable acid，soluble solid content，and ascorbic acid content of group D coated with film were 0.208%，4.31% and 3.49 mg·(100g)-1 higher than those of the control group after 16 days，respectively；the activities of polyphenol oxidase and oxidoreductase in the coating group were effectively inhibited compared with the control group,group B and group A were particularly significant in terms of coating.Therefore，the precoating treatment of red jujube polyphenols could effectively maintain the internal and external quality of the fruit，made it suitable for post harvest storage of grapes.
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备注/Memo
第一作者简介：王晓晶（1982-），女，硕士，副教授，现主要从事天然产物分离纯化与活性等研究工作。E-mail：18868016@qq.com.基金项目：山西省吕梁市重点研发计划资助项目（2021NYGG-1-27）。收稿日期：2023-07-13