sentences:  In enzymology, an L-xylulose reductase () is an enzyme that catalyzes the chemical reaction
  
  Thus, the two substrates of this enzyme are xylitol and NADP+, whereas its 3 products are L-xylulose, NADPH, and H+.This enzyme belongs to the superfamily of short-chain oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor.The systematic name of this enzyme class is xylitol