In this study, large yellow croaker was used as a target to study the rheological properties of large yellow croaker myofibrillar proteins in two farmed modes (passing box cage and deep-sea seine) through small amplitude and large amplitude oscillation shear rheological methods. The results show that during the temperature scanning process, the elastic modulus (G′) gradually increases with the increase of temperature, and does not decrease at the gel weakening stage of 45-55 °C, only slowing down the rising rate, but in the later stage. In the gel-fortification stage, the large yellow seaweed myofibrillar protein G′ in the deep-sea purse culture mode is much larger than the large yellow croaker myofibrillar protein in the per-frame culture mode. In the dynamic strain scan, frequency sweep and viscosity test, it can be seen that the G′ value of the large yellow seaweed myofibrillar protein in the deep-sea purse culture mode is high. Large-amplitude oscillatory shear tests showed that the network structure of the large yellow seaweed myofibrillar protein in the deep-sea purse culture mode was tighter, and the energy consumed by the shear cycle was greater.
ZOU Mi
,
GUO Quanyou
,
TANG Jiahui
,
XIE Chen
,
XIONG Zeyu
,
BAO Hairong
. Rheological study of large yellow croaker myofibrillar protein in two farmed modes[J]. Food and Fermentation Industries, 2020
, 46(2)
: 61
-65
.
DOI: 10.13995/j.cnki.11-1802/ts.022121
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