Table 1. Phytochemicals identified in aqueous root extract of A. africanus using GC/MS.
| Peak No | RT (min) | Area(%) | Height(%) | m/z | MW(g/mol) | CAS | Chemical formula | Tentative name |
|---|---|---|---|---|---|---|---|---|
| 1 | 4.235 | 4.88 | 7.29 | 71.10 | 130 | 79-50-5 | C6H10O3 | 2(3H)-furanose,dihydro-3-hydroxy-4,4-dimethyl |
| 2 | 4.864 | 4.37 | 6.87 | 54.10 | 136 | 1124-11-4 | C8H12N2 | Tetramethylpyrazine |
| 3 | 21.75 | 6.91 | 8.25 | 149.05 | 278 | 84-69-5 | C16H22O4 | 1,2-Benzenedicarboxylic acid, bis(2-methylpropyl) |
| 4 | 22.86 | 2.97 | 3.85 | 57.15 | 276 | 82304-66-3 | C17H24O3 | 7,9-Die-tert-butyl-1-oxospiro (4,5) deca-6,9-diene-2,8-dione |
| 5 | 23.62 | 2.95 | 3.40 | 43.15 | 256 | 57-10-3 | C16H32O2 | n-Hexadecanoic acid |
| 6 | 28.08 | 12.09 | 16.01 | 185.10 | 360 | 77-94-1 | C18H32O7 | Butyl citrate |
| 7 | 44.51 | 1.82 | 1.68 | 55.15 | 412 | 77-94-1 | C29H48O | Stigmasterola |
| 8 | 44.80 | 40.78 | 34.07 | 139.10 | 416 | 126-19-2 | C27H44O3 | Sarsasapogenina |
| 9 | 45.46 | 23.18 | 18.55 | 139.10 | 414 | 0-00-0 | C28H46O2 | 3-Dehydro-des-N-26-methyl-dihydro-pseudotomatidine |
Notes.
a
Steroidal saponins in the aqueous root extract of A. africanus.