⁶⁰C0-γ 射线辐照对紫甘蓝颜色及抗氧化活性的影响

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关键词：紫甘蓝；花色苷； 60Co-γ 辐照；抗氧化活性；苯丙氨酸解氨酶（PAL）

中图分类号：TS201.2 文献标识码：A

文章编号：0439-8114（2025）12-0187-07

DOI：10.14088/j.cnki.issn0439-8114.2025.12.032 开放科学（资源服务）标识码（OSID）：

Effects of 60C0-γ ray irradiation on color and antioxidant activity of purple cabbage

QIU Ya-lu 1，2 ，WANG Yan 1，2 ，GAO Peng1，²，XUPan1²，HEJiang1，²

（1.Sichuan Institute of Atomic Energy，Chengdu 6101O1，China; 2.IrradiationPreservationand Efect KeyLaboratoryof Sichuan Province，Chengdu 6101O1，China）

Abstract：Purplecabbagewasusedastheresearchobjecttoinvestigate thechangeofcolorandepidermalmorphologystructure，anthocyanin composition and antioxidant activity under 60Co-γ irradiation，so as to evaluate the effects of different irradiation doses on thephysiologicalandbiochemicalactivityofanthocyanininpurplecabbage.Theresultsshowedthatpurplecabbageanthocyaninswere sensitivetoradiation，andadoseof1kGycouldchangethevariouscomponentsofanthocyanins，buttherewasnosignificantdifer enceinthtotalcontentofanthocyanis.Iradiatiodidfecttheantioxidantcapacityofpurplecabbage，andthimpactofGyadiationwasmorepronouncedthanthatof2Gyirrdiation.Afteriradiation，theactivityofthekeyenzyePODintheanthocyanin metabolismpathwaysignificantlyincreased.ThrewasnosgnificantdferenceintheDPPHradicalscavengingabilityandPALactiityofpurplecabbageiradiatedwithadoseof2kGycomparedtononirrdiatedsamples.Theirradiatioof2kGyincreasedtebrightness axis parameter value of the leaves and made the leaf color brighter. In summary，2 kGy of 60Co-γ irradiation was the optimal dose forpreserving purplecabbageandcould delaythefading offresh cut vegetableand fruit products toacertain extent.

Keywords：purple cabbage;anthocyanins; 60Co-γ irradiation；antioxidant activity；PAL

花青素，又称花色素，是一类广泛存在于植物中天然的水溶性色素，其由于不稳定性，常以花色昔的形式存在植物组织中，并主要以矢车菊素-3-0-葡萄糖苷形式为主[1.2]。（剩余9781字）