1.4 C-Glycosides
The C-glycosides may be designated as shown under:
CH HO—C6H11O5——> C—C6H11O5 C-Glycoside
C-Glycosides are present in a variety of plant substances, such as: aloin in Aloe; cascaroside in Cascara.
(i) Aloin or Barbaloin:
(ii) Cascarosides (A, B, C and D):
