Phytochemical Screening of Essential Oils and Antibacterial Activity and Antioxidant Properties of Barringtonia asiatica (L) Leaf Extract

Table 3

Chemical composition identified in the essential oils of Barringtonia asiatica (leaves).

C	Chemical composition of Barringtonia asiatica leaves (BAL)	KIa (calculated Kovat’s indices)	KIb (reference Kovat’s indices) (http://www.flavornet.org)	Area	Percentage concentration
1	Ethyl valerate	900	900	—	—
2	Decane	1000	1000	—	—
3	Ethyl lactate	1100	1101	—	—
4	(Z)-4-decenal	1200	1200	1002.53	0.05
5	Hexyl hexanoate	1378	1379	25435.05	1.19
6	(−)-γ-elemene	1427	1425	3459.60	0.16
7	Geranyl butyrate	1550	1549	10003.04	0.5
8	Humulene oxide	1643	1642	56883.34	2.7
9	4-Propyl-guaiacol	1786	1798	301508.82	14.05
10	Uncineol	1833	1837	663429.72	30.9
11	Eicosane	1994	2000	588327.72	27.4
12	Eicosane	2001	2000	463144.41	21.6
13	Tetradecanol	2114	2116	13618.18	4.7
14	Acetovanillone	2291	2292	19294.70	0.9

Total identified compounds = 94.4; unidentified compounds = 5.6; total = 100.