Gibberellic Acid Production from Corn Cob Residues via Fermentation with Aspergillus niger

Table 1

Chemical composition of the corn cob employed.

Lignocellulose content (%) wt
Glucose	Xylose	Arabinose	Lignin	C	N	C/N
31 ± 1	22.5 ± 0.4	7.8 ± 0.2	16.5 ± 0.2	47 ± 0.2	3.9 ± 0.3	12
Mineral content (%) wt
K	Mg	Ca	Fe	Al	Na	Mn
1.19 ± 0.03	0.28 ± 0.01	0.062 ± 0.004	0.028 ± 0.001	0.017 ± 0.001	0.0149 ± 0.0002	0.0031 ± 0.0001

Note: the values provided for all sugars are expressed in terms of their anhydrous contents within the polymer.