HTPLC fingerprint (flavonoids) of green tea samples
representing different geographic origins.
Track assignment1 Reference substances with increasing RF :
rutin, chlorogenic acid, hyperoside, gallic acid
2– 8 Samples from China
9– 13 Samples from Japan
14 – 15 Samples from India
For comparison:
16– 17 Black tea from Sri-Lanka
Tracks taken from different plates