Table 1.

Composition, methods of extraction, and purification of okra polysaccharides.

Part of Vegetable	Monosaccharide Composition	Extraction	Yield (%)	Purification	Molecular Weight (Da)	References
Leaves	D-ara, D-xyl, D-glu, D-man, and D-gal, Gal, and Xyl	Boiling water (1:15, w/v) for 3 h	13.0–15.2	Chromatography–mass spectrometry	1.9 × 105–1.6 × 106	[16]
Flowers	Gal, Rha, and GalA	Deionized water (1:40, w/v) at 100 °C for 3 h	15.33	Ion-exchange chromatography	2.741 × 105	[19]
Pods	Glu, Man, Gal, Ara, Xyl, and Fuc	Ultrasonic extractor using distilled water	10.35	Anion-exchange chromatography	1.92 × 105	[44]
Pods	Ara, Gal, Rha, and GalA	Deionized water (1:10, w/w) at 75 °C for 2 h	1.1	Anion-exchange chromatography	2.99 × 106	[45]
Pods	Rha, GalA, Gal, GlcA, Glu, and Ara	Distilled water (1:20, w/v) at 100 °C for 4 h	7.9	Anion-exchange chromatography	5.80 × 105	[49]
Leaves	Ara, Gal, Rha, GalA, and Glu	Ultrasonic extractor using distilled water	3.11	High-performance liquid chromatography	26.9 × 103	[61]

Glu: glucose. Man: mannose. Gal: galactose. Ara: arabinose. Xyl: xylose. Fuc: fucose. Rha: rhamnose: GalA: galacturonic acid. GlcA: glucuronic acid.