C-Glycosides

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):

Source: Pharmacognosy And Pharmacobiotechnology By Ashutosh Kar