Fluorescent Properties of Hymecromone and Fluorimetric Analysis of Hymecromone in Compound Dantong Capsule

Table 3

Determination of 4MU in CDC by standard curve method.

No.	1	2	3	4	5
CDC added (V/mL)	0.20	0.40	0.60	0.80	1.00
Fluorescence intensity (𝐼𝐹)	643.5	1285	1924	2561	3217
4MU determined (ng mL^−1)	6.13	12.3	18.4	24.5	30.8
4MU content in CDC (%)	33.3	33.4	33.3	33.3	33.5
Average content (%)	33.4 ± 0.1