Antagonistic effects of Saccharomyces cerevisiae on the growth of Aspergillus flavus and Aspergillus parasiticus at varying temperatures

Figures & data

Table 1. Presence (+) or absence of Aspergillus flavus growth on SDA pour plates containing differing yeast dilutions over a 2-week period

A. flavus	Hours
20°C	48	96	168	216	264	336
1:10	−	−	−	−	−	+
1:100	−	−	−	−	−	+
1:1000	−	−	−	−	−	+
1:10,000	−	+	+	+	+	+
1:100,000	+	+	+	+	+	+
1:1,000,000	+	+	+	+	+	+
Control	+	+	+	+	+	+
25°C	48	96	168	216	264	336
1:10	−	−	−	−	−	+
1:100	−	−	−	−	−	+
1:1000	−	−	+	+	+	+
1:10,000	+	+	+	+	+	+
1:100,000	+	+	+	+	+	+
1:1,000,000	+	+	+	+	+	+
Control	+	+	+	+	+	+
30°C	48	96	168	216	264	336
1:10	−	+	+	+	+	+
1:100	−	+	+	+	+	+
1:1000	−	+	+	+	+	+
1:10,000	−	+	+	+	+	+
1:100,000	+	+	+	+	+	+
1:1,000,000	+	+	+	+	+	+
Control	+	+	+	+	+	+

Figure 1. Aspergillus flavus versus time at 22°C. Legend: B = 1:10, C = 1:100, D = 1:1000, E = 1:10,000, F = 1:100,000, G = 1:1,000,000, and H = control.

Figure 2. Aspergillus flavus versus time at 25°C. Legend: B = 1:10, C = 1:100, D = 1:1000, E = 1:10,000, F = 1:100,000, G = 1:1,000,000, and H = control.

Table 2. Presence (+) or absence (−) of Aspergillus parasiticu s growth on SDA pour plates containing differing yeast dilutions over a 2-week period

A. parasiticus	Hours
22°C	48	96	168	216	264	336
1:10	−	−	−	−	−	+
1:100	−	−	−	−	−	+
1:1000	−	−	−	−	+	+
1:10,000	−	−	−	+	+	+
1:100,000	+	+	+	+	+	+
1:1,000,000	+	+	+	+	+	+
Control	+	+	+	+	+	+
25°C	48	96	168	216	264	336
1:10	−	−	−	+	+	+
1:100	−	−	−	+	+	+
1:1000	+	+	+	+	+	+
1:10,000	+	+	+	+	+	+
1:100,000	+	+	+	+	+	+
1:1,000,000	+	+	+	+	+	+
Control	+	+	+	+	+	+
30°C	48	96	168	216	264	336
1:10	−	+	+	+	+	+
1:100	−	−	+	+	+	+
1:1000	−	+	+	+	+	+
1:10,000	+	+	+	+	+	+
1:100,000	+	+	+	+	+	+
1:1,000,000	+	+	+	+	+	+
Control	+	+	+	+	+	+

Figure 3. Aspergillus parasiticus versus time at 22°C. Legend: B = 1:10, C = 1:100, D = 1:1000, E = 1:10,000, F = 1:100,000, G = 1:1,000,000, and H = control.

Figure 4. Aspergillus parasiticus versus time at 25°C. Legend: B = 1:10, C = 1:100, D = 1:1000, E = 1:10,000, F = 1:100,000, G = 1:1,000,000, and H = control.