Combined effects of controlled atmosphere storage and postharvest ozone treatment on storage life and quality of pomegranate

Yıl 2019, Cilt: 8 Sayı: 2, 195 - 202, 20.12.2019

Hakan Bolel Mehmet Ali Koyuncu , Derya Erbaş

https://doi.org/10.29278/azd.555195

Cited By: 8

Öz

The combined effects of controlled
atmosphere (CA) storage and postharvest ozone treatment on storage life and
quality of pomegranate cv. Hicaznar were investigated. Pomegranates were
harvested and grouped in three lots. Non-treated first group was used as
control. Second group was exposed to ozone (4 ppm) gaseous for 6h at 5 ºC. Last
group was dipped into 0.9 % prochloraz solution (5ºC) for 10 seconds. After
treatments, fruit were stored in CA (5 O₂ %- 10 CO₂ %)
conditions at 6 ºC and 90±5 % relative humidity for 5 months. Weight loss,
soluble solid content, titratable acidity, respiration rate, fruit skin color,
decay incidence, chilling injury and sensory evaluation were determined
initially and at one month intervals. Fungicide treatment significantly reduced
the weight loss and respiration rate of pomegranates. More decay developed on
control fruit than those of ozone and fungicide combinations at the end of
storage. Ozone and fungicide treatments gave better results in terms of sensory
evaluations compared to control group. No chilling injury incidence was
recorded in pomegranate during 5 months. As a result, ozone and prochloraz
treatments were effective to prolong the storage life and maintain the
post-harvest quality of Hicaznar pomegranate stored in CA conditions.

Anahtar Kelimeler

Cold storage, Punica granatum, quality, fungicide, ozone

The combined effect of controlled atmosphere with ozone and prochloraz treatment on storage life and quality of pomegranate cv. Hicaznar

Öz

The combined effects of controlled atmosphere (CA)
storage and postharvest ozone treatment on storage life and quality of
pomegranate cv. Hicaznar were investigated. Pomegranates were harvested and
grouped in three lots. Non-treated first group was used as control. Second
group was exposed to ozone (4 ppm) gaseous for 6 h at 5 ºC. Last group was
chemical treatment, dipped into 0.9% prochloraz solution at 5 ºC for 10
seconds. After treatments, fruit were stored in CA (5% O₂ - 10% CO₂)
conditions at 6 ºC and 90±5% relative humidity for 5 months. Weight loss, total
soluble solids content, titratable acidity, respiration rate, fruit skin color,
decay incidence, chilling injury and sensory evaluation were determined
initially and at one month intervals. Fungicide treatment significantly reduced
the weight loss and respiration rate of pomegranates. More decay developed on control
fruit than those of ozone and fungicide combinations at the end of storage.
Ozone and fungicide treatments gave better results in terms of sensory
evaluations compared to control group. No chilling injury incidence was
recorded in pomegranate during 5 months. As a result, ozone and prochloraz
treatments were effective to prolong the storage life and maintain the
postharvest quality of Hicaznar pomegranate stored in CA conditions.

Anahtar Kelimeler

Muhafaza, Punica granatum, kalite, fungusit, ozon

Kaynakça

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