Potential of chitosan-loaded nanoemulsions to control different Colletotrichum spp. and maintain quality of tropical fruits during cold storage

Anthracnose caused by Colletotrichum spp. is a devastating disease for most of the tropical fruits and vegetables

N. Zahid

2012

Scholarcy highlights

  • Anthracnose caused by Colletotrichum spp. is a devastating disease for most of the tropical fruits and vegetables
  • The results regarding the formation of chitosan-loaded nanoemulsions suggest that the sonication time had the greatest effect on formation of nanoemulsion droplets
  • To obtain a smaller droplet size, the longer time of sonication was required, which could be explained by the fact that with an increase in time of sonication, the energy input into the system was increased, which resulted the decrease in droplet size
  • It has been reported that the time of sonication required for the preparation of nanoemulsions fluctuates with the type and concentration of material
  • In vitro antifungal results suggest that chitosan was more effective against C. musae than C. gloeosporioides isolated from papaya and dragon fruits
  • The results obtained in the present study are in line with those who reported that radial mycelial growth and spore germination of Fusarium, Penicillium and Rhizopus were inhibited when treated with chitosan
  • In terms of fungicidal effects of chitosan at 1Á0% concentration with a droplet size of 200 nm in banana and 600 nm in papaya and dragon fruits showed the best results to reduce DI and DS

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