Table 1 HPLC analysis of the alcoholic extracts of leaves, stems, and flowers of A. houstonianum.
From: Larvicidal and repellent potential of Ageratum houstonianum against Culex pipiens
Peak no. | Retention time (min) | Identified compound | Conc. (mg/g extract) | ||
|---|---|---|---|---|---|
L | S | F | |||
1 | 3.9 | Gallic | 0.08 | 0.01 | 0.01 |
2 | 7.7 | Protocatechuic | 0.09 | 0.09 | 0.03 |
3 | 12.1 | p-hydroxybenzoic | 0.08 | 0.00 | 0.08 |
4 | 12 | Gentisic | – | – | – |
5 | 15.2 | Catechin | – | – | – |
6 | 16.5 | Chlorogenic | 7.12 | 1.99 | 5.20 |
7 | 17.2 | Caffeic | 0.07 | 0.02 | 0.13 |
8 | 19.3 | Syringic | 0.01 | – | 0.04 |
9 | 21.2 | Vanillic | 0.01 | – | 0.04 |
10 | 28.9 | Ferulic | 0.01 | – | 0.00 |
11 | 30.7 | Sinapic | 0.02 | – | 0.02 |
12 | 35 | p-coumaric | 0.08 | 0.01 | 0.05 |
13 | 34.5 | Rutin | 0.93 | 0.34 | 0.53 |
14 | 38.2 | Apigenin-7-glucoside | 0.13 | 0.08 | 3.85 |
15 | 39.2 | Rosmarinic | 0.78 | 0.49 | 7.30 |
16 | 46.9 | Cinnamic | 0.01 | 0.02 | 0.01 |
17 | 49.5 | Qurecetin | 0.02 | – | 0.03 |
18 | 55.2 | Apigenin | 0.17 | 0.06 | 1.80 |
19 | 55.9 | Kaempferol | 0.02 | 0.02 | 0.15 |
20 | 59 | Chrysin | 0.04 | 0.00 | 0.08 |
Total identified phenolic acids | 8.35 | 2.64 | 12.89 | ||
Total identified flavonoids | 1.32 | 0.49 | 6.43 | ||