(E)-sinapaldehyde + UDP-alpha-D-glucose => 4-O-(beta-D-glucosyl)-4-trans-sinapoyl aldehyde + UDP + H(+)
(e)-sinapaldehyde + udp-alpha-d-glucose => 4-o-(beta-d-glucosyl)-4-trans-sinapoyl aldehyde + udp + h(+)