Effect of Exogenous Sodium Nitroprusside Treatment on Postharvest Quality of Sanhua Plum
Lao Qizhen
Liu Yingjian
Liu Yunfen
Liang Yuanli
Yan Han
Chen Meiqi
Song Mubo
Abstract：In this experiment,the effects of pure water(CK)and 2.0 mmol/L sodium nitroprusside(SNP)solution soaking treatments on storage quality,antioxidant enzymes activities and anthocyanin accumu-lation of Sanhua plum fruits were studied using seventy or eighty percent mature fruits as test materials.The re-sults showed that exogenous SNP treatment could significantly delayed the soften of plum fruits,effectively suppressed the decrease of titratable acid,soluble solid and ascorbic acid contents,significantly inhibited the decline of Fv/Fm(PS Ⅱ maximum light energy conversion efficiency)and the accumulation of malondialde-hyde,and improved the activity of peroxidase(POD)and catalase(CAT).Moreover,SNP treatment could significantly increase the expression level of PsCHS and PsANS genes,thus promoted the further accumulation of anthocyanin in postharvest plum.In summary,exogenous SNP treatment could effectively maintain the post-harvest storage quality and antioxidant capacity of Sanhua plum fruits,which could provide the technical basis for storage and preservation of Sanhua plum fruits at room temperature.
Keywords：Sodium nitroprusside(SNP)Sanhua plumFruitStorage quality
Publication Date：2025-03-30
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：7( 81-87 )