Exogenous spermine treatment modulates senescence and maintains postharvest quality of guava fruit

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Published

2022-12-20

Keywords:

Psidium guajava L., polyamine, shelf life, storage, antioxidants
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Issue

Vol. 79 No. 4 (2022): Indian Journal of Horticulture

Section

Research Articles

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Creative Commons License

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Authors

  • Kalyan Barman Department of Horticulture, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi- 221 005, Uttar Pradesh, India
  • S.K. Sahu Department of Horticulture, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi- 221 005, Uttar Pradesh, India
  • A.K. Singh Department of Horticulture, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi- 221 005, Uttar Pradesh, India

Abstract

Guava is one of the widely demanded commercial fruits due to its pleasing flavour and rich nutritional value. The fruit has short postharvest life due to rapid ripening, softening and susceptibility to spoilage. In this study, the guava fruits after harvest were treated with spermine (0.5 mM, 1.0 mM and 1.5 mM) and stored at room temperature for 12 days. The spermine 1.5 mM treatment was noted most effective in retaining desirable physico-chemical and functional quality of stored fruit. Fruit under this treatment showed about 44% lower weight loss, ~57% lower decay loss, and higher retention of chlorophyll (~59%), ascorbic acid (~25%), phenolics (~18%) and flavonoids (~28%) compared to control. Lower accumulation of carotenoids (~22%) and malondialdehyde (~41%) was also recorded in 1.5 mM spermine-treated fruits. The treated fruits also showed 14% higher antioxidant capacity and 37% higher radical scavenging activity over control. The study indicated that shelf-life of guava fruit can be extended up to 12 days, at ambient condition with desirable physico-chemical and functional quality attributes by postharvest treatment of 1.5mM spermine.

How to Cite

Barman, K., Sahu, S., & Singh, A. (2022). Exogenous spermine treatment modulates senescence and maintains postharvest quality of guava fruit. Indian Journal of Horticulture, 79(4). Retrieved from https://journal.iahs.org.in/index.php/ijh/article/view/528

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