Journal of Food, Agriculture and Environment

Efficacy of anti-bacterial activity of plants against Leuconostoc spp., a potent cause for post-harvest sucrose loss in sugarcane

Author(s):

Varucha Misra *, Ashutosh Kumar Mall, A. K. Shrivastava, S. Solomon, A. D. Pathak, Saba Hasan, Mohammad Israil Ansari

Recieved Date: 2017-06-03, Accepted Date: 2017-08-26

Abstract:

Post-harvest sucrose losses in sugarcane are always an important aspect. About 40% of these losses in sugarcane are due to microbial invasion wherein a major role is played by Leuconostoc bacterium. Use of several chemicals has been suggested for minimizing these losses, however, there are several side effects on a smaller or larger basis. Now-a-days plants having medicinal value or having a potential against bacteria are now gaining attractiveness in treatment of various bacterial infections occurring in food commodities and its preservation. Therefore, the purpose of this experiment was to assess anti-bacterial activity of some plants on Leuconostoc spp. Screening of antibacterial activity of aqueous extracts of various plants against Leuconostoc spp. were investigated. Antibacterial activity was performed by disc diffusion method. The plants tested against Leuconostoc spp. were Azadirachta indica, Ocimum sanctum, Annona reticulate, Allium cepa, Allium sativum, Zingiber officinale, Curcuma longa, Moringa spp., Cuminum cyminum, Aloe vera, Rosa indica, Ageratum conyzoides, Tridax procumbens, Passiflora spp., Millettia pinnata, Cocos nucifera and Pinus sylvestris. Out of 17 plants tested against Leuconostoc spp. only three found to be effective against it. Bark extract of Annona squamosa showed the highest zone of inhibition of 1.8 mm followed by zone of inhibition of 1.0 mm by leaves extract of Azadirachta indica and 0.6 mm by oil of Pinus sylvestrisis. All other plants showed no zone of inhibition against this bacterium. Study showed that application of some of the plant extracts might be used for minimization of the post-harvest sucrose losses occurring due to Leuconostoc spp.

Keywords:

Aloe vera, Leuconostoc, neem, pine oil, plant extract, sugarcane

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Journal: Journal of Food, Agriculture and Environment
Year: 2017
Volume: 15
Issue: 3&4
Category: Agriculture
Pages: 73-77

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