Assessment of Angelica sinensis (Oliv.) Diels as a repellent for personal protection against mosquitoes under laboratory and field conditions in northern Thailand

Table 3 Appearance and repellent activity (median complete protection time: Median CPT) of the fresh and stored samples of AHE against female Ae. aegypti

AHE samples (Temperature/Duration)		Appearance		Median CPT (Range, h)*
AHE samples (Temperature/Duration)		Phase	Color	Median CPT (Range, h)*
Fresh sample		Liquid	Dark brown	6.50 (6.0–8.0) ab
Stored sample
4 °C	1 month	Liquid	Dark brown	10.0 (8.0–11.0) c
	3 months	Liquid	Dark brown	7.25 (7.0–8.0) bd
	6 months	Liquid	Dark brown	6.0 (4.0–7.0) ade
Ambient temperature (21–35 °C)	1 month	Liquid	Dark brown	7.25 (6.5–8.5) acd
	3 months	Liquid	Dark brown	6.75 (4.0–7.0) ade
	6 months	Liquid	Very dark brown	4.5 (3.0–6.0) ef
45 °C	1 month	Liquid	Dark brown	5.75 (5.0–6.5) af
	3 months	Liquid	Very dark brown	4.5 (4.0–5.5) ef
	6 months	Liquid	Very dark brown	4.5 (4.0–5.0) ef

*Values followed by different letters in a column are significantly different (P < 0.05)

ISSN: 1756-3305