Research Article

Comparison of the Immunoregulatory Function of Different Constituents in Radix Astragali and Radix Hedysari

Table 2

Accurate mass measurements of the compounds in MGHQ, MJHQ, and HQ as revealed by UPLC/TOF-MS analysis in negative mode.

Peak no. 𝑡 𝑅 (min)Selected ionm/zCompound identification

14.33 [ M + H C O O H − H ] − 491.1221calycosin-7-O- 𝛽 -D-glucoside
26.66 [ M + H C O O H − H ] − 475.1225ononin
36.75 [ M + H C O O H − H ] − 625.2927naringin
47.19 [ M + H C O O H − H ] − 507.1475(6aR, 11aR)-9,10-dimethoxypterocarpan-3-O- 𝛽 -D-glucopyranoside
57.86 [ M − H ] − 463.1603(3R)- 2  -hydroxy- 3  , 4  -dimethoxyisoflavan-7-O- 𝛽 -D-glucopyranoside
68.93 [ M − H ] − 283.061calycosin
710.46 [ M + H C O O H − H ] − 957.5071soyasaponin II
811.69 [ M + H C O O H − H ] − 829.462astragaloside IV
912.16 [ M − H ] − 267.0686formononetin
1012.47 [ M + H C O O H − H ] − 871.4798astragaloside II
1112.70 [ M + H C O O H − H ] − 667.4065astramembrannin II
1213.09 [ M + H C O O H − H ] − 871.4722isoastragaloside II
1314.28 [ M + H C O O H − H ] − 913.4913astragaloside I
1414.37 [ M − H ] − 941.5078soyasaponin I
1514.60 [ M + H C O O H − H ] − 913.4836isoastragaloside I
1616.05 [ M + H C O O H − H ] − 955.4894acetylastragaloside I
1716.28 [ M + H C O O H − H ] − 315.2524medicarpin