heating soy flour at 45 degrees c in ph 8.5 tris buffer for 1 hour in the presence of cysteine or n-acetylcysteine followed by dialysis to remove unreacted thiols resulted in the introduction of new half-cystine residues and lowered trypsin inhibitor content from 37.5 to 6.8 or 4.8 mg/g , respectively , compared to only 14.8 mg/g in the absence of sulfhydryl compounds .
C0001047
n-acetylcysteine
C0010654
half-cystine