Abstract
Forty-five cultures of acetic acid bacteria were isolated from different ecosystems including fruits, vegetables, flowers, vinegars, etc. On the basis of morphological, physiological and biochemical characteristics they were identified asA. aceti, A. xylinum, A. suboxydans, A. melanogenum andBacterium xylinoides. It was obvious thatA. aceti andA. xylinum were prevalent in fruits, vinegars and cane juice whileA. rancens was to be found in flowers and vegetables. Grapes seem to be a fine source for isolation of common species.
Alcohol tolerance and ability to oxidize alcohol to acetic acid showed thatA. aceti andA. xylinum possess higher alcohol tolerance and produce more acetic acid than the other species.
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Communicated by Prof. J. V. Bhat,f.a.sc.
Part of the thesis submitted by R. S. Kahlon in partial fulfilment of the degree of Master of Science in Microbiology to Punjab Agricultural University, Hissar (Now known as Haryana Agricultural University).
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Kahlon, R.S., Vyas, S.R. Isolation and identification of acetic acid bacteria from different ecosystems. Proc. Indian Acad. Sci. 74, 293–300 (1971). https://doi.org/10.1007/BF03050640
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DOI: https://doi.org/10.1007/BF03050640