摘要
“丹若1号”是一种适宜在海南种植的软籽石榴,但在生产上常受到日灼伤害。以“丹若1号”石榴果实为试验材料,测定自然生长(未套袋)、套袋和套袋—去袋处理的果实籽粒可溶性固形物含量、果皮色素含量、色差值、类黄酮含量、总酚含量、活性氧损伤指标和抗氧化酶活性,综合评价套袋对“丹若1号”石榴果皮外观的影响。结果显示,3个处理采收期果实籽粒色泽无明显差别,可溶性固形物含量无显著差异,表明套袋未影响果实的主要内在品质。叶绿素和类胡萝卜素含量较低,对果实发育后期着色影响不大;而花青苷含量是影响“丹若1号”石榴果皮着色的关键因素,以套袋—去袋处理含量显著最高,为11.12(OD 530-OD 600)/g FW,且果皮光滑靓丽,颜色更红。3个处理中,以套袋处理的果皮类黄酮和总酚含量显著最低,分别为30.71 OD 325/g FW和157.74 OD 280/g FW。结合过氧化氢含量、羟自由基清除能力和丙二醛含量分析,发现套袋处理果皮受到的活性氧损伤程度最低;自然生长(未套袋)和套袋—去袋处理分别通过提升过氧化氢酶和过氧化物酶活性来应对组织活性氧损伤,但套袋—去袋处理未造成影响表型的活性氧损伤。因此,套袋—去袋处理可作为一种潜在的改善“丹若1号”软籽石榴外观品质的优良技术手段推广。
Danruo No.1,a soft-seeded pomegranate cultivar cultivated in Hainan Province,often suffers from sunburn in production.Danruo No.1 pomegranate fruits was used as experimental material to determine the soluble solid content of arils,pigment content of fruit peel,color difference,flavonoid content,total phenol content,indicators of oxidative damage,and antioxidant enzyme activity under natural growth(non-bagged),bagged,and bagged-debagged treatments to comprehensively evaluate the effect of bagging on the appearance quality of Danruo No.1 pomegranate fruits.The results showed that among the three treatments,there was no significant difference in seed color,and the soluble solid content of the fruits did not differ significantly,indicating that bagging did not affect the main internal quality of the fruits.The contents of chlorophyll and carotenoids were relatively low,with little impact on coloration in the late stage of fruit development.Anthocyanin was the key pigment affecting the coloration of Danruo No.1 pomegranate peel,with the bagged-debagged treatment showing the highest content at 11.12(OD 530-OD 600)/g FW,resulting in smooth and attractive red color of the peel.Among three treatments,fruit peel under bagging treatment showed lowest levels of flavonoids and total phenols,with 30.71 OD 325/g FW and 157.74 OD 280/g FW,respectively.Results of analysis of hydrogen peroxide content,hydroxyl free radical scavenging capacity,and malondialdehyde content indicated that the bagged treatment resulted in the lowest level of oxidative damage to the peel.The natural growth(non-bagged)and bagged-debagged treatments protected fruits from oxidative damage by increasing the activities of hydrogen peroxide and peroxidase,respectively.The bagged-debagged treatment did not cause significant oxidative damage to the fruit peel.Therefore,the bagged-debagged treatment can be extended as a potential superior technology to improve the appearance quality of Danruo No.1 soft-seeded pomegranate fruits.
作者
叶才华
王晓雯
杨成坤
黄凯哲
崔仁鸿
钱敏杰
YE Caihua;WANG Xiaowen;YANG Chengkun;HUANG Kaizhe;CUI Renhong;QIAN Minjie(Science and Technology Innovation and Development Service Center of Baoting Li and Miao Autonomous County,Baoting,Hainan,572316,China;Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province/School of Tropical Agriculture and Forestry,Hainan University,Haikou,Hainan,570228,China;Hainan Danruo Agricultural Co.Ltd.,Sanya,Hainan,572024,China)
出处
《中国南方果树》
北大核心
2025年第3期209-214,共6页
South China Fruits
基金
国家重点研发子课题:主要热带果树品质提升和绿色高效生产关键技术研发与示范——果实重要品质形成与调控机制(2023YFD2300801)项目资助。
关键词
套袋
“丹若1号”石榴
花青苷
外观品质
活性氧
bagging
Danruo No.1 pomegranate
anthocyanin
appearance quality
reactive oxygen
