Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The m/z values of ions of the reference compounds
| No. | Identification | Negative ion(m/z) | Positive ion(m/z) |
|---|---|---|---|
| 1 | Naringin | - | 581.1, 419.4, 273.2 |
| 2 | Hesperidin | - | 611.2, 449.5, 431.1 |
| 3 | Neohesperidin | - | 611.2, 449.5, 303.3 |
| 4 | Aloe-emodin | 269.1, 240.7 | - |
| 5 | Rhein | 283.2, 257.4, 239.3 | - |
| 6 | Emodin | 269.2, 241.4, 225.1 | - |
| 7 | Honokiol | 265.4, 224.3 | - |
| 8 | Dehydrocostuslacton | - | 233.2, 187.3 |
| 9 | Costunolide | - | 231.2, 185.6 |
| 10 | Magnolol | 265.2, 247.1 | - |
| 11 | Chrysophanol | 254.3, 225.7 | - |
| 12 | Physcion | 283.3, 268.4, 240.1 | - |
