Storage, transportation and preservation

Effects of iturin A compounded with cinnamon essential oil on storage quality of cherry tomatoes

  • JIANG Mengxi ,
  • LIN Fuxing ,
  • BIE Xiaomei ,
  • LV Fengxia ,
  • LU Zhaoxin
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  • College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095,China

Revised date: 2019-06-27

  Online published: 2019-11-15

Abstract

In order to explore the preservation effects of iturin A and plant essential oils on cherry tomatoes, the optimal concentrations of iturin A and essential oil were determined on the basis of measuring their minimum inhibitory concentration (MIC) against Rhizopus stolonifer. The changes in storage quality of cherry tomatoes treated with iturin A and essential oil alone or in combination were studied. The results showed that the MIC of iturin A and cinnamon essential oil were 64 μg/mL and 0.05% (v/v), respectively. The incidence of soft rot was the lowest when the cherry tomatoes were treated with 512 μg/mL iturin A and 1% (v/v) cinnamon essential oil in individual. When 512 μg/mL iturin A was combined with 1% (v/v) cinnamon oil, it could significantly reduce the rotting rate, retard the changes in color and firmness and delay the decline in contents of titratable acid, Vc and reducing sugar of cherry tomatoes. On the 15 d of storage, the rotting rate and weight loss rate were 7.18% and 0.72%, respectively, which were 55% and 8.91% significantly lower than those of the control. Therefore, the combination of iturin A and cinnamon essential oil could effectively keep the quality of cherry tomatoes, prolong the storage time and ensure food safety, which provides a theoretical basis for biological preservation technology.

Cite this article

JIANG Mengxi , LIN Fuxing , BIE Xiaomei , LV Fengxia , LU Zhaoxin . Effects of iturin A compounded with cinnamon essential oil on storage quality of cherry tomatoes[J]. Food and Fermentation Industries, 2019 , 45(19) : 206 -212 . DOI: 10.13995/j.cnki.11-1802/ts.020910

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