stevioside + UDP-alpha-D-glucose => rebaudioside A + UDP + H(+)
stevioside + udp-alpha-d-glucose => rebaudioside a + udp + h(+)
stevioside + UDP-alpha-D-glucose => rebaudioside A + UDP + H(+)
stevioside + udp-alpha-d-glucose => rebaudioside a + udp + h(+)