Premium
THE POTASSIUM UPTAKE OF LACTOBACILLUS ACIDOPHILUS
Author(s) -
HARRIS N. O.
Publication year - 1958
Publication title -
journal of applied bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.889
H-Index - 156
eISSN - 1365-2672
pISSN - 0021-8847
DOI - 10.1111/j.1365-2672.1958.tb00139.x
Subject(s) - lactobacillus acidophilus , potassium , lactobacillus casei , chemistry , potassium fluoride , coefficient of variation , fluoride , sodium fluoride , sodium , toxicity , nuclear chemistry , inorganic chemistry , food science , chromatography , bacteria , biology , probiotic , organic chemistry , genetics , fermentation
SUMMARY: A reproducible flame speetrophotometric method for the determination of the potassium uptake of Lactobacilius acidophilus is described. The potassium uptake curve was characteristic and had a coefficient of variation between replicate samples at peak uptake of approximately 2%. Two general applications of the technique have been demonstrated: the evaluation of the toxicity of an inhibitory substance (fluoride as sodium fluoride), and determination of the effect of the interaction of L. acidophilus and L. casei in a mixed culture.