Fig. 2 Starch concentration (mean of three replicates±standard deviation) in C. vulgaris grown under nitrogen starvation conditions. Columns with the same letters are not significantly different (p<0.05) according to the Tukey's test for mean comparisons. (AM1 perchloric acid method (Rose et al. 1991), AM2 modified perchloric acid method (Brányiková et al. 2011), AM3 hydrochloric acid method (Oren et al. 1988), EM1 enzymatic method (Megazyme 2009), EM2 enzymatic method for resistant starch (Megazyme 2009))
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