Which enzyme is used by the biscuit manufacturers to lower the protein level of flour? HomeEnzymology MCQsWhich enzyme is used by the biscuit manufacturers to lower the protein level of flour? Share your love WhatsApp Facebook Telegram Twitter Pinterest Q. Which enzyme is used by the biscuit manufacturers to lower the protein level of flour? A. Protease B. Xylanase C. Amylase D. Cellulase Answer: Protease