Table 2 Determination of chemical compounds of partially purified extract filtrate of chloroform and ethyl acetate from Ulva fasciata and Enteromorpha flexuosa using infrared (IR)
From: Biological control of soil borne cucumber diseases using green marine macroalgae
Macroalgae | No. | Chloroform | Ethyl acetate | ||
|---|---|---|---|---|---|
Wave number (cm−1) | Functional group | Wave number (cm−1) | Functional group | ||
Ulva fasciata | 1 | 3422.06 | N–H (Amine) | 3428.81 | N–H (Amine) |
2 | 2960.2 | C–H (Alkan) | 2990.09 | C–H (Alkan) | |
3 | 2920.66 | C–H (Alkan) | 1763.58 | C=O (Carbonyl) | |
4 | 2852.2 | C–H (Alkan) | 1642.09 | C–Br (Alkyl halide) | |
5 | 1708.62 | C=O (Carbonyl) | 1377.89 | C–H (Alkan) | |
6 | 1647.88 | C=C (Alkene) | 1243.86 | C–F (Alkyl halide) | |
7 | 1458.89 | C=C (Aromatic) | 1054.87 | C–O (Ether) | |
8 | 1259.29 | C–F (Alkyl halide) | 799.35 | C–Cl (Alkyl halide) | |
9 | 1026.91 | C–O (Ether) | 629.644 | C=C (Alkene) | |
10 | 861.06 | =C–H (Alkene) | 442.583 | (Alkyl halide) | |
11 | 779.35 | C–Cl (Alkyl halide) |  |  | |
12 | 700.034 | C–Cl (Alkyl halide) | |||
13 | 457.047 | (Alkyl halide) | |||
Enteromorpha flexuosa | 1 | 3417.24 | N–H (Amine) | 3430.74 | N–H (Amine) |
2 | 2958.27 | C–H (Alkan) | 2990.09 | C–H (Alkan) | |
3 | 2928.38 | C–H (Alkan) | 1763.58 | C=O (Carbonyl) | |
4 | 2871.49 | C–H (Alkan) | 1633.41 | C-Br (Alkyl halide) | |
5 | 1727.91 | C=O (Carbonyl) | 1378.85 | C–H (Alkan) | |
6 | 1646.91 | C=C (Alkene) | 1243.86 | C–F (Alkyl halide) | |
7 | 1462.74 | C=C (Aromatic) | 1053.91 | C–O (Ether) | |
8 | 1385.6 | N–O (Nitro) | 799.35 | C–Cl (Alkyl halide) | |
9 | 1260.25 | C–F (Alkyl halide) | 621.931 | C=C (Alkene) | |
10 | 1152.26 | C–F (Alkyl halide) | 417.513 | (Alkyl halide) | |
11 | 1027.87 | C–O (Ether) |  |  | |
12 | 862.989 | =C–H (Alkene) | |||
13 | 802.242 | C–Br (Alkyl halide) | |||
14 | 695.212 | =C–H (Alkene) | |||
15 | 452.225 | (Alkyl halide) | |||