Fig. 4From: Alpha-glucosidase inhibitory activities of astilbin contained in Bauhinia strychnifolia Craib. stems: an investigation by in silico and in vitro studiesThe region of − 0.008 eA − 2 < σ <  + 0.008 eA − 2 indicates London dispersion forces in heptane. Peaks at σhb >  + 0.008eA − 2 indicate hydrogen bonding energy and the presence of hydrogen bond donor, while peaks at σhb <  + 0.008eA − 2 indicate the presence of a hydrogen bond acceptor group. A higher negative value of µ(σ) indicates an increasing interaction between molecules, while a higher positive value indicates an increase in repellant behaviorBack to article page