Method of extraction
Total Vitamin B12 content in Spirulina biomass (µg/100g) by microbiological assay
Total Vitamin B12 content in Spirulina biomass (µg/100g) by Chemiluminescence assay
Method 1
220±1.8
213±0.4
Method 2
142±0.9
207±1.7
Method 3
116±0.8
65±0.9
Method 4
460±6.2
211±2.2
Method 5
184±1.4
190±0.5
Table 1:
Quantification of vitamin B12 by Microbilogical method using
Lactobacillus delbrueckii