Chilling Effect

Rapid chilling effect on the bacterial populations of pork carcasses

The effect of rapid chilling of pork carcasses on bacterial populations was examined. Two regimes of rapid chilling were applied: treatment 1 (at –31°C in the first 3 h of chilling, and then at 2–4°C till 8 h post-mortem) and treatment 2 (at –31°C in the first 3 h of chilling, and then at 2–4°C till 24 h post-mortem). Microbiological sampling of pork carcasses was obtained by swabbing. Swab sam...

Effect of chilling on the survival of Bacteroides fragilis.

Factors affecting the susceptibility of Bacteroides fragilis subsp. fragilis to low temperature were examined. Predetermined numbers of cells were spread on agar media or suspended in enriched Trypticase soy broth and exposed to low temperature under both aerobic and anaerobic conditions. Exposure of 18-h growth of a freshly isolated B. fragilis strain to 4 degrees C aerobically or anaerobicall...

The effect of sudden chilling on Escherichia coli.

Correction: The Chilling Effect: How Do Researchers React to Controversy?

BACKGROUND Can political controversy have a "chilling effect" on the production of new science? This is a timely concern, given how often American politicians are accused of undermining science for political purposes. Yet little is known about how scientists react to these kinds of controversies. METHODS AND FINDINGS Drawing on interview (n = 30) and survey data (n = 82), this study examines ...

Effect of Leaf Detachment on Chlorophyll Fluorescence during Chilling Experiments.

The effect of leaf detachment on chlorophyll fluorescence was analyzed for Zea mays, Cucumis sativus, Phaseolus vulgaris, and Echinochloa crus-galli. Results clearly indicate that detachment hastens the decrease in chlorophyll fluorescence during the course of chilling experiments. For maize and bean, the activity of photosystem II of chloroplasts isolated from detached leaves is lower than tha...