beta-D-glucosyl crocetin + UDP-alpha-D-glucose => beta-D-gentiobiosyl crocetin + UDP + H(+)
beta-d-glucosyl crocetin + udp-alpha-d-glucose => beta-d-gentiobiosyl crocetin + udp + h(+)
beta-D-glucosyl crocetin + UDP-alpha-D-glucose => beta-D-gentiobiosyl crocetin + UDP + H(+)
beta-d-glucosyl crocetin + udp-alpha-d-glucose => beta-d-gentiobiosyl crocetin + udp + h(+)