steviolbioside + UDP + H(+) => steviolmonoside + UDP-alpha-D-glucose
steviolbioside + udp + h(+) => steviolmonoside + udp-alpha-d-glucose
steviolbioside + UDP + H(+) => steviolmonoside + UDP-alpha-D-glucose
steviolbioside + udp + h(+) => steviolmonoside + udp-alpha-d-glucose