Florida Agricultural Experiment Stations Journal Series No. 4167.
Evaluation of A Modified Gradient Feed Culturing System for Growth of Lactobacillus plantarum Sausage Starter Organism
Article first published online: 25 AUG 2006
Journal of Food Science
Volume 48, Issue 2, pages 465–466, March 1983
How to Cite
GANOUNG, J. S., SCHMIDT, R. H. and SMITH, K. L. (1983), Evaluation of A Modified Gradient Feed Culturing System for Growth of Lactobacillus plantarum Sausage Starter Organism. Journal of Food Science, 48: 465–466. doi: 10.1111/j.1365-2621.1983.tb10767.x
The authors express sincere thanks to J.N. Bacus and W.L. Brown, ABC Research Corp., Gainesville, FL for technical assistance.
- Issue published online: 25 AUG 2006
- Article first published online: 25 AUG 2006
- Ms received 9/20/82; revised 12/13/82; accepted 12/24/82.
An internally controlled gradient feed culturing technique, where a nutrient gradient was initiated and subsequently controlled by the lactic acid synthesis, was compared to conventional batch culturing for growth of a sausage starter organism, Lactobacillus plantarum. Significantly higher cell densities (p < 0.01) were observed with twice the culturing time for gradient feed culturing compared to batch culturing. Cell yields within batch or gradient feed culturing system were not affected by pH control at 5.8 or 6.0. Significantly higher (p < 0.05) cell yields, however, were obtained for gradient feed cultures (pH 6.0) with NH4OH addition at 50% theoretical lactic acid (TLA) level than were obtained at 10% TLA or without NH4OH addition.