Structure and immunostimulating activity of polysaccharides derived from the roots and leaves of dandelion

Chemical and Biological Technologies in Agriculture

Table 2 Methylation analysis of polysaccharides from dandelion leaves and roots

PMAAs	Linkage pattern	Relative amount (%)				Major mass fragments (m/z)
PMAAs	Linkage pattern	DPL	DPL-R	DPR	DPR-R	Major mass fragments (m/z)
2,3,5-Me₃-Ara^a	t-Araf	3.94	1.46	4.67	5.56	71.87,101,117,129,161
2,3,4-Me₃-Rha	t-Rhap	2.89	2.64	5.53	4.17	87,101,129,143,189,203
3,4-Me_2-Rha	2-Rhap	–	–	3.08	7.55	87,89,99,129,131,189
2,3,4,6-Me₄-Man	t-Manp	7.69	7.51	2.42	3.07	71,87,101,117,129,145,161,205
2,3,4,6-Me₄-Glc	t-Glcp	8.63	15.16	2.10	7.15	71,87,101,117,129,145,161,205
2,4,6-Me₃-Gal	4-Galp	35.66	57.01	43.45	56.97	87,99,101,113,117,233
2,3,4-Me₃-Gal	6-Galp	21.00	10.20	17.46	0.61	87,99,101,113,117,233
2,6-Me₂-Galc	3,4-Glcp	–	–	5.35	6.51	87,117,129
2,6-Me₂-Gal	4,6-Galp	12.49	2.80	7.32	4.72	71,85,101,117,129,159,201, 261
2,4-Me₂- Man	3,6-Manp	7.71	3.22	8.64	3.93	87,99,101,117,129,139,159,189,201