Extracts of Eucalyptus alba Promote Diabetic Wound Healing by Inhibiting α-Glucosidase and Stimulating Cell Proliferation

Table 1

Phenolic compounds identified in ethanol-based E. alba extracts prepared from leaves dried at four different temperatures.

Phenolic compound	Retention time (min)	Concentration mg/kg in E. alba leaves dried at 10°C	Concentration mg/kg in E. alba leaves dried at 30°C	Concentration mg/kg in E. alba leaves dried at 50°C	Concentration mg/kg in E. alba leaves dried at 100°C
Chlorogenic acid	2.880	1292.67	1334.38	619.94	217.13
p-Coumeric acid	3.075	896.99	1119.93	413.21	203.87
Gallic acid	3.342	653.10	784.38	342.34	112.1
HB acid	6.759	ND	47.54	ND	ND
Caffeic acid	7.494	14.066	21.33	ND	ND
Vanillic acid	7.687	ND	12.86	ND	ND
Kaempferol	11.074	4.08	ND	ND	ND
Sinapic acid	12.237	133.35	187.15	34.74	23.14
Ferulic acid	12.460	85.63	104.17	67.11	ND
Salicylic acid	15.296	158.63	300.70	ND	8.13
Coumarin	16.085	162.38	1077.39	132.7	ND
Quercetin	16.954	196.63	210.33	100.15	54.1
Benzoic acid	18.306	8.670	9.10	2.83	ND
Rutin	23.989	10.10	15.43	ND	12.16