International Journal of Analytical Chemistry / 2020 / Article / Tab 1

Research Article

Development of an Enzyme-Linked Immunosorbent Assay Method for the Detection of Rhein in Rheum officinale

Table 1

Cross reactivities of mAb1F8 against various compounds.

CompoundStructureIC50 (μg L−1)CR (%)

Rhein0.044100
Aloe-emodin0.16227
Emodin4.9460.9
Chrysophanol14.1440.3
Physcion50.7100.1
Sennoside A1393.9010.005
Sennoside Ba<0.001
Rhaponticin<0.001

aNo inhibition was observed at up to 20,000 μg L−1 of the compound.

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