1 TXU is the amount of enzyme which liberates 5 micromole of reducing sugars (xylose equivalents) from wheat arabinoxylan per minute at pH 3,5 and 55 °C.
1 TXU on ensüümi kogus, mis pH tasemel 3,5 ja temperatuuril 55 °C vabastab nisu arabinoksülaanist 5 mikromooli redutseerivaid suhkruid (ksüloosi ekvivalente) minutis.