Table 2. Vitamin B₉ (folate) and B₁₂ (cyanocobalamin) contents of sunlight- and artificial light-cultured Spirulina platensis

Sample1)	Vitamin B9 (μg/100 g)	Vitamin B12(μg/100 g)
NSS	92.85±2.74	23.33±1.38
ALS	62.24±3.19	18.62±0.39
t-value2)	−12.592***	−5.866*

NSS, natural sunlight-cultured spirulina; ALS, artificial light-cultured spirulina. All values are mean±SD (n=3).
^*p<0.05; ^***p<0.001.