New glycoside B of tofu fruit; 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-[(O-beta-D-xylopyranosyl-(1-6)-O-beta-D-glucopyranosyl-(1-2)-6-deoxy-alpha-L-mannopyranosyl)oxy]-4H-1-benzopyran-4-one; Helicianeoside B; 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(O-β-D-xylopyranosyl-(1→6)-O-β-D-glucopyranosyl-(1→2)-6-deoxy-α-L-mannopyranosyl)oxy]-
