. 2019 Jul 26;16(15):2674. doi: 10.3390/ijerph16152674

Table 4.

Contents of micronutrients in methanotrophic biomass.

Biomass	Micronutrients
Biomass	Zn [g·kg⁻¹]	Cu [g·kg⁻¹]	Mn [g·kg⁻¹]	Cr [g·kg⁻¹]
Sp1	0.108 ± 0.006 ^c	0.476 ± 0.021 ^a	0.479 ± 0.022 ^b,c	<0.005 ^c
Sp2	0.087 ± 0.008 ^d	0.175 ± 0.033 ^c	0.556 ± 0.042 ^b	0.009 ± 0.035 ^b
Sp3	0.142 ± 0.004 ^a	0.279 ± 0.019 ^b	0.720 ± 0.081 ^a	0.166 ± 0.096 ^a
Sp4	0.096 ± 0.002 ^c,d	0.185 ± 0.033 ^c	0.395 ± 0.001 ^c	0.047 ± 0.012 ^a,b
Sk108	0.126 ± 0.003 ^b	0.416 ± 0.029 ^a	0.267 ± 0.017 ^d	<0.005 ^c

The values are the average of three replicates (n = 3); ± standard deviation (SD); means marked with different letters (a–c) are significantly different at p < 0.05 (n = 3) as shown by Tukey’s HSD test.