Welcome to Chinese Journal of Tropical Crops,

Chinese Journal of Tropical Crops ›› 2019, Vol. 40 ›› Issue (12): 2474-2480.DOI: 10.3969/j.issn.1000-2561.2019.12.022

• Agricultural Product Processing, Preservation, Storage, Analysis and Detection • Previous Articles     Next Articles

Application of Principle Component Analysis of Fruit Storability Between Harvested ‘Nanfeng’ and ‘Xinyu’ Tangerines

CHEN Chuying1,LIU Shanjun1,FU Yongqi1,PENG Xuan2,CHEN Jinyin1,2,*()   

  1. 1. Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits & Vegetables / Collaborative Innovation Center of Postharvest Key Technology and Quality Safety of Fruits and Vegetables in Jiangxi Province, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, China
    2. Pingxiang University, Pingxiang, Jiangxi 337055, China
  • Received:2019-01-14 Revised:2019-05-28 Online:2019-12-25 Published:2019-12-20
  • Contact: CHEN Jinyin


Cultivar is one of the most important factor affecting the storability of postharvest citrus fruit. Principle component analysis (PCA) was used to evaluate the difference of fruit storability between harvested ‘Nanfeng’ and ‘Xinyu’ tangerines, the two main cultivars of mandarin in Jiangxi Province. Fourteen physiological and biochemical indexes of decay rate, weight loss, citrus color index (CCI), browning index (BI), titrable acid (TA), vitamin C (VC), total soluble solid (TSS), total sugar, respiration rate, relative electrical conductivity (REC), antioxidant enzymes activities in ‘Nanfeng’ and ‘Xinyu’ tangerines during cold storage were statistically analyzed. Three important major constituents were selected, which representing 88.781% comprehensive information about the fruit storability of above two citrus cultivars. The first principal component was reflected the information of weight loss, CCI, BI, TA, respiration rate, REC, CAT and PPO. The second one was used to obtain the information of the decay rate, TSS, total sugar, SOD and POD. The third one was just expressed for VC content. PCA can be used to evaluate the difference of fruit storability between harvested ‘Nanfeng’ and ‘Xinyu’ tangerines. The fruit storability of ‘Nanfeng’ tangerine was superior to ‘Xinyu’ tangerine.

Key words: citrus fruit, cultivar, storability, PCA

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