Relationships between biochemical attributes (non-structural carbohydrates and phenolics) and natural durability against fungi in dry teak wood (Tectona grandis L. f.)

Table 3 Non-parametric Spearman correlation coefficients between mass losses and chemical compounds (glucose, fructose, sucrose, starch, the unknown compound P1, 1,4-naphthoquinone, 2-(hydroxymethyl)anthraquinone, anthraquinone-2-carboxylic, lapachol, and tectoquinone) in Malaysian teak

Variables	Mass loss	Glucose	Fructose	Sucrose	Starch	P1	1,4-Naphthoquinone	2-(Hydroxymethyl)anthraquinone	Anthraquinone-2-carboxylic acid	Lapachol
Glucose	−0.46*
Fructose	0.24	0.15
Sucrose	0.03	0.54*	0.24
Starch	−0.43*	0.58*	−0.03	0.52*
P1	−0. 90**	0.59*	−0.26	0.12	0.43*
1,4-Naphthoquinone	−0.27	0.56*	−0.010	0.60*	0.55*	0.31
2-(Hydroxymethyl)anthraquinone	−0.82**	0.55*	−0.20	0.22	0.30	0.89**	0.23
Anthraquinone-2-carboxylic acid	−0.13	0.33	−0.14	0.25	0.03	0.06	0.34	0.33
Lapachol	−0.10	0.37	−0.00	0.62*	0.82**	0.07	0.51*	0.07	0.20
Tectoquinone	−0.79**	0.65*	−0.25	0.27	0.60*	0.85**	0.23	0.84**	0.12	0.37

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