Bacillus coagulans, ATCC 51232 (formerly referred to as FRR B666), was previously
reported to be a potentially excellent biological indicator. The organism was grown on a …

ABSTRA~ T: Bacillus coagulans, FRR B666, was evaluated as a potential biological
indicator organism. The organzsm was grown on two types of sporulation media and the …

An examination of the current literature re-veals two main types of findings as to the effect of
growth and sporulation temperature on the thermal resistance of the spores produced. One …

Spores of Bacillus stearothermophilus ATCC 7953 were developed at 62° C on 32 media
composed of various amounts of 11 components: D-glucose, L-glutamic acid, yeast extract …

Storage conditions were shown to affect the viability and moist heat resistance of Bacillus
stearothermophilus spore suspensions. Refrigerated storage (4° C) in distilled water did not …

Spores suspended in water were heated at 73· 5, 100, 115 and 121° and colony counts
made. These showed an initial increase followed by an exponential decline. Spores in …

Three frequently used strains of Bacillus were tested using antimicrobial susceptibility test
discs to determine their resistance to various antimicrobial drug agents. The organisms …

Moist thermal resistance parameters of spores of B. stearothermophilus ATCC 7953,
inoculated in aqueous suspensions and on strips, were evaluated at 118° C and 121° C, by …

The effect of storage conditions on the heat resistance and heat activation response of Bacillus
stearothermophilus spores Page 1 J. Pliarrn. Phrrrnim.. 1968, 20. 626-629 Received February …

MATERIALS AND METHODS Test culture. B. coagulans var. thermoacidurans, American
Type Culture Collection no. 8038, was used in this investigation. Stock cultures were …