Assertion: stachyose | /r/MadeOf | two α-d-galactose units
Facets:
Source sentences:
text: Stachyose is a tetrasaccharide consisting of two α-D-galactose units, one α-D-glucose unit, and one β-D-fructose unit sequentially linked as gal(α1→6)gal(α1→6)glc(α1↔2β)fru.