Research Article
Potential Therapeutic Effects of Underground Parts of Kalanchoe gastonis-bonnieri on Benign Prostatic Hyperplasia
Table 2
Major chemical compounds in the extract of underground parts from K. gastonis-bonnieri by HPLC-DAD/MS/MS.
| Peak No. | Rt (min) | Molecular formula [M-H]- | Measured m/z [M-H]- | Calculated [M-H]- | Error (ppm) | UVmax (nm) | MS/MS fragment ions | Proposed compound |
| 1 | 4.5 | | 359.0986 | 359.0984 | -0.6 | 261 | 197.0457 | Syringic acid hexoside | 2 | 4.9 | | 306.1194 | 306.1194 | 0 | n.d. | 205.0380; 161.0455 | Unknown | 3 | 5.2 | | 359.0996 | 359.0984 | -3.6 | 282 | 197.0458; 239.0572 | Syringic acid hexoside | 4 | 5.5 | | 406.1732 | 406.1721 | 0.1 | 255 | 307.1040 | Unknown | 5 | 6.0 | | 357.1196 | 357.1191 | -1.3 | 273 | 177.0556 | Unknown | 6 | 6.2 | | 381.1780 | 381.1766 | -3.5 | n.d. | 235.1196; 161.0458 | Alkyl diglycoside | 7 | 7.3 | | 415.1618 | 415.1610 | -1.9 | n.d. | 269.1037; 161.0456 | Benzyl diglycoside | 8 | 8.0 | | 395.1935 | 395.1923 | -3 | n.d. | 249.1352; 161.0461 | Alkyl diglycoside | 9 | 8.2 | | 521.2035 | 521.2028 | -1.2 | n.d. | 359.1507 | Glycosylated lignan | 10 | 8.5 | | 521.2022 | 521.2028 | 1.3 | 283 | 359.1508 | Glycosylated lignan |
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