The objective of this study was to perform a preliminary assessment of the potential antimicrobial
effects in vitro of nutritional yeast culture (Diamond V XP™), containing Saccharomyces cerevisiae,
media on which it was grown, and metabolites produced during fermentation. It was tested against
Escherichia coli ATCC25922, Staphylococcus aureus ATCC25923, Candida tropicalis ATCC13803,
and oral flora from human saliva. Serial dilutions of each microbe were mixed with either water or an
aqueous extract of yeast culture, and plated on aerobic, coliform, or yeast/mold Petrifilm™, respectively.
Colony counts and appearances showed that yeast culture induced strong inhibition of C. tropicalis
growth, moderate inhibition of E. coli, and only minimal effect on growth of S. aureus or oral flora.
Metabolic activity of E. coli was affected, as seen by reduced beta-glucuronidase activity and lack of gas
formation indicative of lactose fermentation. The data suggest that yeast culture consumption may support
beneficial composition of intestinal flora while promoting containment of some microbial species.
CITATIONS(17):
1.
Amelioration of salmonellosis in pre-weaned dairy calves fed Saccharomyces cerevisiae fermentation products in feed and milk replacer Matthew T. Brewer, Kristi L. Anderson, Ilkyu Yoon, Mark F. Scott, Steve A. Carlson Veterinary Microbiology
Effect of Feeding Yeast Culture on Performance, Health, and Immunocompetence of Dairy Calves V.J.A. Magalhães, F. Susca, F.S. Lima, A.F. Branco, I. Yoon, J.E.P. Santos Journal of Dairy Science
A Dried Yeast Fermentate Selectively Modulates both the Luminal and Mucosal Gut Microbiota and Protects against Inflammation, As Studied in an Integrated in Vitro Approach Sam Possemiers, Iris Pinheiro, An Verhelst, Pieter Van den Abbeele, Lois Maignien, Debby Laukens, Stuart G. Reeves, Larry E. Robinson, Thomas Raas, Yves-Jacques Schneider, Tom Van de Wiele, Massimo Marzorati Journal of Agricultural and Food Chemistry
Reduced Carriage of Escherichia coli O157:H7 in Cattle Fed Yeast Culture Supplement L. Liou, H. Sheng, W. Ferens, C. Schneider, A.N. Hristov, I. Yoon, C.J. Hovde The Professional Animal Scientist
Review: Utilization of yeast of Saccharomyces cerevisiae origin in artificially raised calves Gibson M. Alugongo, Jianxin Xiao, Zhaohai Wu, Shengli Li, Yajing Wang, Zhijun Cao Journal of Animal Science and Biotechnology
Effects of feeding various dosages of Saccharomyces cerevisiae fermentation product in transition dairy cows E.M. Zaworski, C.M. Shriver-Munsch, N.A. Fadden, W.K. Sanchez, I. Yoon, G. Bobe Journal of Dairy Science
Effects of hydrolyzed yeast supplementation in calf starter on immune responses to vaccine challenge in neonatal calves M. H. Kim, J. K. Seo, C. H. Yun, S. J. Kang, J. Y. Ko, J. K. Ha animal
The effects of live yeast Saccharomyces cerevisiae on postweaning diarrhea, immune response, and growth performance in weaned piglets1,2 M. Trckova, M. Faldyna, P. Alexa, Z. Sramkova Zajacova, E. Gopfert, D. Kumprechtova, E. Auclair, R. D'Inca Journal of Animal Science
Use of Saccharomyces cerevisiae fermentation product on growth performance and microbiota of weaned pigs during Salmonella infection1 K. L. Price, H. R. Totty, H. B. Lee, M. D. Utt, G. E. Fitzner, I. Yoon, M. A. Ponder, J. Escobar Journal of Animal Science
Growth performance and gastrointestinal microbial ecology responses of piglets receiving Saccharomyces cerevisiae fermentation products after an oral challenge with Escherichia coli (K88)1 E. Kiarie, S. Bhandari, M. Scott, D. O. Krause, C. M. Nyachoti Journal of Animal Science
The effects of dietary inclusion of a Saccharomyces cerevisiae fermentation product in a commercial catfish ration on growth, immune readiness, and columnaris disease susceptibility Haitham H. Mohammed, Taylor L. Brown, Benjamin H. Beck, Mediha Yildirim-Aksoy, Rashida M. Eljack, Eric Peatman Journal of Applied Aquaculture
Effect of anti-inflammatory compounds or antibiotic administration on receiving performance and physiological responses of transported heifers Xin Wu, Na Cao, Zhenming Zhou, Paul Beck, Hao Wu, Qingxiang Meng Journal of Animal Science
Performance and health of young rosé veal calves supplemented with yeast (Saccharomyces cerevisiae) and a postbiotic from Lactobacillus acidophilus M. Thorsteinsson, M. Vestergaard Journal of Animal and Feed Sciences
ASAS-NANP SYMPOSIUM: RUMINANT/NONRUMINANT FEED COMPOSITION: Challenges and opportunities associated with creating large feed composition tables Andres Schlageter-Tello, George Fahey, Tarra Freel, Liz Koutsos, Phillip Miller, William Weiss Journal of Animal Science
The effects of supplementation of yeast (Saccharomyces
cerevisiae) and postbiotic from Lactobacillus acidophilus on the health and growth performance
of young Jersey heifer calves Mirka Thorsteinsson, Henrik Martin, Torben Larsen, Jakob Sehested, Mogens Vestergaard Journal of Animal and Feed Sciences
Effects of feeding Saccharomyces cerevisiae fermentation products on the health of Holstein dairy calves following a lipopolysaccharide challenge Rebecca Klopp, Ilkyu Yoon, Susan Eicher, Jacquelyn Boerman Journal of Dairy Science
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