Iranian Journal of Horticultural Science

Iranian Journal of Horticultural Science

Evaluation of melatonin efficacy in maintaining qualitative, phytochemical properties ‎and increasing storage life of raspberry fruit (Rubus ulmifolius subsp. Sanctus)‎

Document Type : Full Paper

Authors
Shirin Rahmanzadeh Ishkeh 1
Habib Shirzad 2
Zahra Tofighi 3
Mohammad Fattahi 4
1 Ph. D. Candidate, Faculty of Agriculture, Urmia University, Urmia, Iran
2 Assistant Professor, Faculty of Agriculture, Urmia University, Urmia, Iran
3 Assistant Professor, Faculty of Pharmacy, Tehran University, Tehran, Iran
4 Associate Professor, Faculty of Agriculture, Urmia University, Urmia, Iran
10.22059/ijhs.2021.315126.1881
Abstract
Nowadays, many efforts are being in the worldwide to find alternative methods for controlling postharvest horticultural waste. In the present study, the effect of different concentrations of melatonin (000.001, 0.01 and 0.1 mM) on increasing the storage life of raspberries was investigated. After 5 min immersion, the fruits were maintained in a cold storage with a 4±1 °C 90-95%RH for 9 days. The results showed that the highest level of pH and TSS were observed in the control treatment on the ninth day and TA in the treatment of 0.001 mmol on the third days of storage with mean 3.64 and 0.62 mg citric acid/100 ml fruit Juice and 16.31 ̊brix, respectively. The highest levels of total phenol and flavonoids content were observed with 25.37 mg GAE/ 100 ml juice and 9.60 mg QE/ 100 ml juice on the third day storage, respectively. The results of data factor analysis also confirmed that the two factors PC1 (64%) and PC2 (14.8%) had the most role in the classification of treatments. In general, the results of this study showed that treatment with 0.001 mM melatonin, as a natural compound compatible with the environment and humans, in addition to the maintaining the nutritional values of the harvested raspberry it,s can increased storage life and reduced waste of fruits.
Keywords
Correlation coefficient
factor degradation
flavonoid
growth regulator
phenol‎
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Iranian Journal of Horticultural Science
Volume 53, Issue 1 - Serial Number 1
Spring 2022
Pages 225-237

  • Receive Date 29 December 2020
  • Revise Date 27 April 2021
  • Accept Date 14 June 2021