From: Improved antibacterial effects of alkali-transformed saponin from quinoa husks against halitosis-related bacteria
Peak
R1
R2
R3
R4
1
-OH
COOCH3
-Glc
-Ara-Glc
2
-H
CH3
-GlcA-Xyl
3
4
5
-Ara
6
7
-GlcA
8
9