This study was undertaken to screen for Lactic Acid Bacteria (LAB) from indigenous fermented seeds; dawadawa. Isolation of LAB was carried out on MRS Agar. Biochemical, morphological and physiological examinations according to the Bergeys manual were used to identify the bacterial isolates. Six bacterial strains were obtained and given the designations DN, DO, DJ, DT, DG and DH respectively. The obtained colonies were all capable of fermenting lactose, sucrose, trehalose, glucose, maltose and lactulose as the sole carbon source in the broth. Morphological examination revealed that the isolates obtained were non-spore forming gram positive colonies ranging from creamy to white, clear, cocci and rod shaped, smooth textured and flat elevation with transparent opacity. Their growth profile study revealed that all isolates appeared to be mesophilc with progressive growth patterns observed between 24-96 hours at the same parameters for incubation. Isolates DO and DJ were observed to exhibit the fastest growth as determined by measuring optical density of the cells in broth using spectrophotometer at 550nm. Conclusions from the observed experiment indicate that isolated LABs from dawadawa could be applied in other probiotics as starter cultures and be improved for other commercial uses.
Published in | Biochemistry and Molecular Biology (Volume 2, Issue 6) |
DOI | 10.11648/j.bmb.20170206.11 |
Page(s) | 67-72 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2017. Published by Science Publishing Group |
Lactic Acid Bacteria, Growth Profile, pH, Salinity
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APA Style
Oyetola Moradeke Toyosi, Agarry Olubunmi, Oyetola Simeon. (2017). Screening of Indigenous Bacterial Isolates from Dawadawa (African Locust Beans) in North Central Nigeria. Biochemistry and Molecular Biology, 2(6), 67-72. https://doi.org/10.11648/j.bmb.20170206.11
ACS Style
Oyetola Moradeke Toyosi; Agarry Olubunmi; Oyetola Simeon. Screening of Indigenous Bacterial Isolates from Dawadawa (African Locust Beans) in North Central Nigeria. Biochem. Mol. Biol. 2017, 2(6), 67-72. doi: 10.11648/j.bmb.20170206.11
AMA Style
Oyetola Moradeke Toyosi, Agarry Olubunmi, Oyetola Simeon. Screening of Indigenous Bacterial Isolates from Dawadawa (African Locust Beans) in North Central Nigeria. Biochem Mol Biol. 2017;2(6):67-72. doi: 10.11648/j.bmb.20170206.11
@article{10.11648/j.bmb.20170206.11, author = {Oyetola Moradeke Toyosi and Agarry Olubunmi and Oyetola Simeon}, title = {Screening of Indigenous Bacterial Isolates from Dawadawa (African Locust Beans) in North Central Nigeria}, journal = {Biochemistry and Molecular Biology}, volume = {2}, number = {6}, pages = {67-72}, doi = {10.11648/j.bmb.20170206.11}, url = {https://doi.org/10.11648/j.bmb.20170206.11}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.bmb.20170206.11}, abstract = {This study was undertaken to screen for Lactic Acid Bacteria (LAB) from indigenous fermented seeds; dawadawa. Isolation of LAB was carried out on MRS Agar. Biochemical, morphological and physiological examinations according to the Bergeys manual were used to identify the bacterial isolates. Six bacterial strains were obtained and given the designations DN, DO, DJ, DT, DG and DH respectively. The obtained colonies were all capable of fermenting lactose, sucrose, trehalose, glucose, maltose and lactulose as the sole carbon source in the broth. Morphological examination revealed that the isolates obtained were non-spore forming gram positive colonies ranging from creamy to white, clear, cocci and rod shaped, smooth textured and flat elevation with transparent opacity. Their growth profile study revealed that all isolates appeared to be mesophilc with progressive growth patterns observed between 24-96 hours at the same parameters for incubation. Isolates DO and DJ were observed to exhibit the fastest growth as determined by measuring optical density of the cells in broth using spectrophotometer at 550nm. Conclusions from the observed experiment indicate that isolated LABs from dawadawa could be applied in other probiotics as starter cultures and be improved for other commercial uses.}, year = {2017} }
TY - JOUR T1 - Screening of Indigenous Bacterial Isolates from Dawadawa (African Locust Beans) in North Central Nigeria AU - Oyetola Moradeke Toyosi AU - Agarry Olubunmi AU - Oyetola Simeon Y1 - 2017/11/05 PY - 2017 N1 - https://doi.org/10.11648/j.bmb.20170206.11 DO - 10.11648/j.bmb.20170206.11 T2 - Biochemistry and Molecular Biology JF - Biochemistry and Molecular Biology JO - Biochemistry and Molecular Biology SP - 67 EP - 72 PB - Science Publishing Group SN - 2575-5048 UR - https://doi.org/10.11648/j.bmb.20170206.11 AB - This study was undertaken to screen for Lactic Acid Bacteria (LAB) from indigenous fermented seeds; dawadawa. Isolation of LAB was carried out on MRS Agar. Biochemical, morphological and physiological examinations according to the Bergeys manual were used to identify the bacterial isolates. Six bacterial strains were obtained and given the designations DN, DO, DJ, DT, DG and DH respectively. The obtained colonies were all capable of fermenting lactose, sucrose, trehalose, glucose, maltose and lactulose as the sole carbon source in the broth. Morphological examination revealed that the isolates obtained were non-spore forming gram positive colonies ranging from creamy to white, clear, cocci and rod shaped, smooth textured and flat elevation with transparent opacity. Their growth profile study revealed that all isolates appeared to be mesophilc with progressive growth patterns observed between 24-96 hours at the same parameters for incubation. Isolates DO and DJ were observed to exhibit the fastest growth as determined by measuring optical density of the cells in broth using spectrophotometer at 550nm. Conclusions from the observed experiment indicate that isolated LABs from dawadawa could be applied in other probiotics as starter cultures and be improved for other commercial uses. VL - 2 IS - 6 ER -