Table 3: Drop collapse test results for 0-24 h of fermentation. Diameter of drop (mm) (+) indicates positive results, (-) indicates negative result.

Sample Diameter of drop (mm) 0 h Diameter of drop (mm) 24 h
Average Standard deviation Average Standard deviation
NB 3.2 (-) 0.3 3.1 (-) 0.4
NBBS 2.8 (-) 0.3 5.3 (+) 0.3
NBBSLD 2.8 (-) 0.3 5.5 (+) 0
Positive control 12.5 19.5