Extended longevity of Drosophila melanogaster by water and ethanol extracts of Stachys lavandulifolia

Figures & data

Table 1.  The longevity of male and female populations of D. melanogaster and the probability levels between groups.

Experiment groups (µL) (no.)	Female population					Male population
	N	Max. life-span	SD	Mean life-span ± SE	p	N	Max. life-span	SD	Mean life-span ± SE	p
Control (1)	100	50	9.267	31.86 ± 0.92		100	47	9.273	30.93 ± 0.92
C+DMSO (2)	100	47	9.571	30.57 ± 0.95		100	43	8.848	28.2 ± 0.88
4 w (3)	100	50	9.246	32.27 ± 0.92		100	50	10.058	32.0 ± 1.0	1vs.2*
4 e (4)	100	57	12.807	36.96 ± 1.28	1-2*	100	50	12.037	34.75 ± 1.2	1vs.3*
12 w (5)	100	54	12.105	38.83 ± 1.21	1-3*	100	52	12.686	37.76 ± 1.26	2vs.3*
12 e (6)	100	61	15.221	41.84 ± 1.52	2-3*	100	57	14.944	39.23 ± 1.49	4vs.5*
20 w (7)	100	57	13.312	43.21 ± 1.33		100	54	13.514	40.84 ± 1.35
20 e (8)	100	68	16.28	49.62 ± 1.62		100	64	15.729	46.0 ± 1.57

N, total number of individuals: C, control; Max., maximum; SE, standard error; SD, standard deviation; w,water extract, e,ethanol extract; p, probability levels between groups; *the mean difference is not significant at the 0.001 level.

Figure 1.  The survivorship lines of female and male individuals of D. melanogaster living medium applied with different concentrations of SLE_(w) during adult stages.

Figure 2.  The survivorship lines of female and male individuals of D. melanogaster living medium applied with different concentrations of SLE_(e) during adult stages.