Chemical Analysis and Study of Phenolics, Antioxidant Activity, and Antibacterial Effect of the Wood and Bark of Maclura tinctoria (L.) D. Don ex Steud.

Table 1

Chemical properties for Maclura tinctoria wood and bark (% of dry wood/bark).

Chemical properties		Wood	Bark
Solvents extraction (%)	Cyclohexane : ethanol (1 : 2, v/v)	2.8±0.4	20.8±0.2
	Ethanol (95%)	3.9±0.7	1.4±0.7
	Hot water	4.2±0.9	12.5±1.5
	NaOH 1% (m/v)	—	15.9±0.8
	TOTAL	10.8±2.0	50.6±3.5
Macromolecular composition (%)	Total extractives	10.8±1.0	50.6±2.0
	Soluble lignin	1.3±0.00	0.4±0.0
	Insoluble lignin	21.5±1.3	18.8±1.2
	Holocellulose	69.4±2.2	29.1±1.9
	α-Cellulose	46.0±1.5	—
	Hemicellulose	23.6±0.9	—
	TOTAL	103.0±4.5	99.0±5.1
Total phenol (mg of GAE/g)	Methanol : water extract (4 : 1, v/v)	38.4±0.4	35.0±0.9
	Acetone : water extract (7 : 3, v/v)	45.3±0.9	43.2±1.2
Proanthocyanidin (mg of CE/g)	Methanol : water extract (4 : 1, v/v)	5.1±0.6	3.9±0.1
	Acetone : water extract (7 : 3, v/v)	6.5±0.6	4.9±0.1
IC50 (μg/mL)		18.7±0.5	20.9±0.6