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Effect of potassium sorbate on yogurt cultures
The effect of 0.05 and 0.10% potassium sorbate on acid and acetaldehyde production and growth of three commercial yogurt cultures was studied. Either amount of potassium sorbate retarded growth of…
Acidolin: an antibiotic produced by Lactobacillus acidophilus.
Acidolin has a low molecular weight, is acidic in nature, possesses a yellow-brown color, and is highly hygroscopic and thermostable and it is more active against vaccinia than polio virus.
Acetaldehyde Production by Combined Yogurt Cultures
Abstract Acetaldehyde produced by three commercial yogurt cultures was determined during seven hours of incubation at 45C, and during four weeks of storage at 4C. All three cultures produced maximum…
Physiological characteristics of four methylotrophic bacteria and their potential use in single-cell protein production
SummaryFour methylotrophic bacteria, isolated at the Kuwait Institute for Scientific Research, were able to grow on methanol as the only carbon source at a maximum temperature of 44°C. An optimized…
Reduction of nucleic acid content in cell biomass of methanol-utilizing mixed bacterial culture by heat treatment
A heat treatment method to reduce nucleic acid content in cell biomass of a mixed methanol-utilizing bacterial culture was studied, removing 81–85% nucleic Acid content from the cells without affecting their true protein content and essential amino acids profile.
Growth, viability, and antimicrobial activity of Lactobacillus acidophilus
Isolation and characterization of four methylotrophic bacterial strains
Characterization tests indicate that four pure methylotrophic bacterial strains isolated from Kuwaiti soil are different strains of restricted type M facultative methylotrophs, and could be considered new members of the genus Methylophilus.
Bacterial SCP from methanol in Kuwait: Product revovery and composition.
- A. Prokop, H. Ratcliffe, I. Y. Hamdan
- Biology, MedicineBiotechnology and bioengineering
- 1 September 1984
An attempt is made to correlate different pilot plant harvesting procedures for biomass recovery with product quality, and the most suitable harvesting procedures were found to be those using a mild heat-acid or acid-heat treatment.