casein
acref-9780198705383-e-0615-audio-0615.mp4
acref-9780198705383-e-0615-audio-0615.mp4
acref-9780198705383-e-0615-audio-0615.mp4
acref-9780198705383-e-0615-audio-0615.mp4
casein, the principal milk protein, is used by winemakers as a fining agent particularly useful for removing brown colours from…