Table 4.

Multiple correlation (pearson) matrix of waste glycerol (WG) degradation and gellan production by S. yabuuchiae at different pHs (6–8) and WG concentrations (70–90 g/l)

	WGPH6–70	GPH6–70	WGPH6–80	GPH6–80	WGPH6–90	GPH6–90	WGPH7–70	GPH7–70	WGPH7–80	GPH7–80	WGPH7–90	GPH7–90	WGPH8–70	GPH8–70	WGPH8–80	GPH8–80	WGPH8–90	GPH8–90
WGPH6–70	1.000
GPH6–70	− 0.904	1.000
WGPH6–80	0.984	− 0.959	1.000
GPH6–80	− 0.804	0.929	− 0.885	1.000
WGPH6–90	0.992	− 0.862	0.957	− 0.726	1.000
GPH6–90	− 0.914	0.992	− 0.970	0.928	− 0.871	1.000
WGPH7–70	0.989	− 0.947	0.989	− 0.844	0.976	− 0.945	1.000
GPH7–70	− 0.964	0.979	− 0.986	0.894	− 0.938	0.970	− 0.991	1.000
WGPH7–80	0.953	− 0.960	0.968	− 0.880	0.924	− 0.944	0.975	− 0.988	1.000
GPH7–80	− 0.936	0.995	− 0.977	0.929	− 0.897	0.987	− 0.970	0.993	− 0.980	1.000
WGPH7–90	0.933	− 0.954	0.954	− 0.877	0.898	− 0.941	0.956	− 0.975	0.994	− 0.971	1.000
GPH7–90	− 0.973	0.954	− 0.980	0.873	− 0.953	0.942	− 0.992	0.991	− 0.980	0.976	− 0.954	1.000
WGPH8–70	0.979	− 0.971	0.996	− 0.884	0.955	− 0.973	0.994	− 0.996	0.979	− 0.986	0.966	− 0.986	1.000
GPH8–70	− 0.873	0.973	− 0.927	0.935	− 0.820	0.956	− 0.918	0.960	− 0.969	0.976	− 0.980	0.927	− 0.943	1.000
WGPH8–80	0.985	− 0.962	0.997	− 0.874	0.964	− 0.966	0.996	− 0.992	0.972	− 0.980	0.954	− 0.990	0.998	− 0.927	1.000
GPH8–80	− 0.863	0.975	− 0.924	0.944	− 0.806	0.962	− 0.909	0.955	− 0.958	0.974	− 0.971	0.917	− 0.939	0.999	− 0.922	1.000
WGPH8–90	0.952	− 0.975	0.980	− 0.902	0.917	− 0.972	0.974	− 0.990	0.990	− 0.988	0.992	− 0.968	0.988	− 0.979	0.979	− 0.975	1.000
GPH8–90	− 0.818	0.955	− 0.887	0.939	− 0.757	0.942	− 0.874	0.926	− 0.921	0.949	− 0.939	0.878	− 0.909	0.984	− 0.888	0.990	− 0.948	1.000

WG waste glycerol, G gellan production