A hetero
poly
saccharide i
solated from the gum (Katira) of
Cochlospermum religiosum wa
s found to con
si
st of <
span cla
ss="
smCa
ps">d
span>-galacto
se, <
span cla
ss="
smCa
ps">d
span>-galacturonic acid and <
span cla
ss="
smCa
ps">l
span>-rhamno
se in a molar ratio 2:1:3. Structural a
ssignment of the
poly
saccharide wa
s carried out u
sing total acid hydroly
si
s, methylation analy
si
s,
periodate oxidation, Smith degradation and NMR
studie
s (<
su
p>1
su
p>H, <
su
p>13
su
p>C, DQF-COSY, TOCSY, NOESY, HMBC and HSQC) and the re
peating unit of the
poly
saccharide wa
s e
stabli
shed a
sss="
sizeImgBox">
![]()
src="htt
p://www.
sciencedirect.com/cache/MiamiImageURL/B6TFF-4S21TPP-4-N/0?wch
p=dGLbVtb-zSkzS" alt="Full-
size image" title="Full-
size image"" align="bottom" border="1" h
space="2" v
space="2" cla
ss="
sizeImg"/>