RAW JUICE
Juice extracted directly from sugar cane or sugar beets. Also called mixed juice (from mills) or draft juice (from diffusers).
RAW SUGAR
Brown sugar produced in a raw sugar mill that generally goes to a refinery for further processing into white refined sugar.
REDUCING SUGARS
Sugars that can chemically reduce (withdraw oxygen from) certain other chemical compounds. In sugar milling and refining, reducing sugars (mostly glucose and fructose) are considered impurities.
REFINING
Purification of sugar using chemical and physical methods, generally including clarification, filtration, decolorization and recrystallization.
REFRACTOMETRIC DRY SOLIDS (RDS)
Measurement of total dissolved solids in a sugar liquor or syrup using a refractometer.
REMELT
A syrup made from centrifuged low-grade sugar that is dissolved or remelted and returned to the high grade boilings.
RUNOFF
General term for syrups or molasses produced when massecuite goes through a centifuge.