Determination of Cassiarin A Level of Cassia siamea Leaf Obtained from Various Regions in Indonesia Using the TLC-Densitometry Method

Figure 3

Cassiarin A standard (S) and C. siamea leaf ethyl acetate fraction (numbering as in Table 3) from 17 regions in Indonesia. (a) TLC plate under UV 254 nm. (b) TLC plate under UV 366 nm.

(a)

(b)