<P> Particle size is variable but generally less than granulated white sugar . Products for industrial use (e.g., the industrial production of cakes) may be based on caster sugar which has crystals of approximately 0.35 mm . </P> <Table> <Tr> <Td> </Td> <Td> Look up brown sugar in Wiktionary, the free dictionary . </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Look up brown sugar in Wiktionary, the free dictionary . </Td> </Tr> <P> Brown sugar is often produced by adding sugarcane molasses to completely refined white sugar crystals to more carefully control the ratio of molasses to sugar crystals and to reduce manufacturing costs . Brown sugar prepared in this manner is often much coarser than its unrefined equivalent and its molasses may be easily separated from the crystals by simply washing to reveal the underlying white sugar crystals; in contrast, with unrefined brown sugar, washing will reveal underlying crystals which are off - white due to the inclusion of molasses . </P>

How many types of brown sugar are there