Table 1. Variation of acidity and biomass of the fungi in the culture medium with various pH values (N = 3).

Original pH		6.5	5.5	4.5	>3.5	2.5	1.5
NJDL-03	Final pH	3.60 ± 0.07	3.77 ± 0.06	3.84 ± 0.01	3.46 ± 0.01	2.35 ± 0.00	1.54 ± 0.00
	Biomass	465.15 ± 5.36	481.5 ± 0.18	497.28 ± 2.51	472.83 ± 5.36	N.A.	N.A.
NJDL-12	Final pH	2.40 ± 0.03	2.35 ± 0.05	2.41 ± 0.03	2.28 ± 0.03	2.16 ± 0.01	1.53 ± 0.01
	Biomass	310.50 ± 11.38	324.57 ± 5.55	310.58 ± 5.36	309.30 ± 3.59	389.13 ± 14.76	333.80 ± 15.00