International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 9, Issue:12, December, 2020

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(12): 1654-1663

Microbial Detoxification of Gossypol in Cotton Seed Meal by Solid Substrate Fermentation
Savitha Santosh1, K. P. Raghavendra1*, K. Velmourougane1, V. Mageshwaran2, D. Blaise1 and VN. Waghmare1
1ICAR - Central Institute for Cotton Research, Nagpur-440 010, Maharashtra, India
2ICAR-National Bureau of Agriculturally Important Microorganisms, Mau Nath Bhanjan, UP, India
*Corresponding author

Gossypol, a toxic phenolic compound present in cottonseed meal (CSM) makes it unfit for use as feed for non-ruminants. Microbial detoxification of gossypol in CSM by solid state fermentation (SSF) was known to have higher detoxification efficiency with improved nutritive value as compared to the physical and chemical methods of gossypol detoxification. This study was conducted to isolate, screen and identify efficient gossypol detoxifying microbes from the cotton rhizosphere and pink bollworm larvae. From our study, Aspergillus quadrilineatus, A. terreus, A. versicolor, Penicillium griseofulvum, Streptomyces maritimus, Streptomyces sp and S. rochei were efficient gossypol detoxifying microorganism of CSM. Among the treatments, CSM inoculated with A. quadrilineatus, A. terreus, A. versicolor, P. griseofulvum showed maximum free and bound gossypol reduction in SSF. To the best of our knowledge, for the first time, we report soil isolates P. griseofulvum, S. maritimus, Streptomyces sp and S. rochei as gossypol utilising microorganisms from cotton ecosystem. However, actinobacteria were not found to be as efficient as fungal isolates in reduction of free and bound gossypol.

Keywords: Cotton seed meal, Gossypol, Solid state fermentation, Detoxification, Laccase

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How to cite this article:

Savitha Santosh, K.P. Raghavendra, K. Velmourougane, V. Mageshwaran, D. Blaise and Waghmare, V.N. 2020. Microbial Detoxification of Gossypol in Cotton Seed Meal by Solid Substrate Fermentation.Int.J.Curr.Microbiol.App.Sci. 9(12): 1654-1663. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.