甘蓝
采后
叶绿素
脂质过氧化
丙二醛
一氧化氮
化学
园艺
衰老
抗氧化剂
植物
生物
生物化学
细胞生物学
有机化学
作者
Hyang Lan Eum,Dae Keun Hwang,Seung Koo Lee
标识
DOI:10.1177/1082013208339706
摘要
Nitric oxide (NO) was applied to broccoli (Brassica oleracea L. var. italica) florets and analyzed its effect on chlorophyll degradation during postharvest senescence. Florets were treated with 1000 µL/L of NO for 5 h and placed in darkness at 20°C. During storage, the NO treatment delayed yellowing and retarded the onset of chlorophyll degradation. The activity of lipoxygenase was not related to the development of yellowing during storage. However, the accumulation of malondialdehyde, which could be used as an index of lipid peroxidation, was higher in the control than observed in the NO treatment. In untreated broccoli florets during storage, lipid peroxidation influenced the yellowing of broccoli florets while NO-treated florets maintained chlorophyll levels and decreased lipid peroxidation.
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