WiththeexpansionofboththecaneandbeetsugarindustriesinChina,thecolourofwhitesugarproducedinthetraditionalChinesefactoryhasincreasedandbecomeacriticalproblem.Thecolourofsugarfromsulphitationistypically150ICUMSAColourUnits(IU).Valuesofupto200IUormorearenotun (共 5896 字) [閱讀本文] >>