The Poly-ALLTM process extracts hemicellulosic sugars from plant matter using hot water – avoiding toxic and expensive solvents . Plant extract is carefully purified, removing lignin and other impurities, then catalytically converted into sugar alcohols (alditols) in a continuous trickle bed hydrogenation reaction system. A mixture of alditols are further refined into pure, food-grade xylitol crystals and other non-sugar sweeteners. Residual alditols are further converted into bio-glycols and other biochemicals through a second catalytic conversion step known as hydrogenolysis.
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