Premium
Pilot‐scale Protamex™‐catalysed production of round scad protein hydrolysates:effects of agitation alone and combined with aeration
Author(s) -
Yao Yujing,
Yang Juan,
SunWaterhouse Dongxiao,
Cui Chun,
Wang Wei,
Dong Keming
Publication year - 2018
Publication title -
international journal of food science and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.831
H-Index - 96
eISSN - 1365-2621
pISSN - 0950-5423
DOI - 10.1111/ijfs.13822
Subject(s) - aeration , proteolysis , chemistry , cadaverine , hydrolysate , food science , hydrolysis , chromatography , biochemistry , organic chemistry , enzyme , putrescine
Summary A pilot‐scale production of round scad protein hydrolysates via Protamex™‐catalysed proteolysis was firstly established. Process optimisation then focused on the use of mechanical agitation ( MA ) alone or combined with aeration ( MAA ). Comparative examinations revealed that proteolysis involving either MA or MAA was feasible with a hydrolysis degree up to 55%, and individual and total biogenic amine ( BA ) contents much lower than the commonly recognised limits (including the dominant BA , cadaverine). MAA is more advantageous in suppressing bacterial counts and activities associated with protein decomposition, enabling reduced volatile basic nitrogen and BA s. Thus, additional aeration to mechanical agitation is recommended for industrial proteolysis of raw materials unavoidably containing micro‐organisms (especially anaerobic bacteria) in common handling practice.