Table 1.

Structure and structure-activity-relationship of polysaccharide from Atractylodes macrocephala Koidz.

Type	Extraction method	Monosaccharide composition	Molecular weight/kDa	Structure characteristics	Function	Reference
Atractylodes macrocephala Koidz	Ultrasonicassisted enzymatic extraction	-	-	-	Anti-oxidation	(23)
Atractylodes macrocephala Koidz	Alcohol precipitation	Gal: Ara: Glc=1.00: 1.50: 5.00	4.10 kDa	Three α-pyranose residues, α D Glupα D Galp and α L Araf	Anti-tumor	(25)
Atractylodes macrocephala Koidz	Hot water extraction	Man: GalA: Glc: Gal: Ara=1.00: 8.58: 27.28: 3.68: 4.99	4.35 kDa	→ 3-β-D-Glcp-(1 → , → 3,6-β-D-Glcp-(1 → , → 6-β-D-Glcp-(1 → ,T-β-D-Glcp, → 4-α-GalpA-(1 → , → 4-α-GalpA-OMe-(1 → , → 5-α-Araf-(1 → , → 4,6-β-manp-(1 → and → 4-β-Galp-(1 →	Immunomodulation	(26)
Atractylodes macrocephala Koidz	Hot water extraction	Rha: Ara: Gal: GalA=1.00: 1.84: 0.74: 4.23	161.90 kDa	t-Araf, 1,5-Araf, 1,3,5-Araf, 1,2-Rhap, 1,2,4-Rhap, t-Galp, 1,4-Galp, 1,3,4-Galp, 1,4,6-Galp and 1,4-GalpA residues	Immunomodulation	(27)
Atractylodes macrocephala Koidz	Alcohol precipitation	Ara: Glc=1.00: 4.57	2.10 kDa	Pyranose rings and α-type and β-type glycosidic lin kages	Anti-tumor	(28)
Atractylodes macrocephala Koidz	Hot water extraction	Fuc: Ara: Gal: Glc: Xyl: Man: Fru: GalA=0.07: 0.99: 1.23: 6.70: 0.01: 0.09: 0.12: 0.76	4.75 kDa	-	Anti-inflammation	(29)
Atractylodes macrocephala Koidz	Water extraction	Glc: Gal: Man: Ara: Rha=3.00: 2.50: 1.30: 3.50: 1.00	-	-	Hypoglycemic	(30)
Atractylodes macrocephala Koidz	Alcohol precipitation	Glc: Man=0.58: 0.42	2.82 kDa	(1 → 3)-Glc residues. (1 → 6)-linked monosaccharide backbone	Hypolipidemic	(31)

Gal, galactose; Ara, arabinose; Glc, glucose; Man, mannose; GalA, galacturonic acid; Rha, rhamnose; Fuc, fucose; Xyl, xylose; Fru, fructose; GlcA, glucuronic acid; GlcN, glucosamine; GalN, galactosamine; Rib, ribose; Myo, myo-inositol; ManA, mannuronic acid.