Journal
ULTRASONICS SONOCHEMISTRY
Volume 86, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ultsonch.2022.106038
Keywords
Chicken gizzard; Ultrasound pretreatment; Saucing; Tenderness; Flavor
Categories
Funding
- Young Talents Project of Northeast Agricultural University [19QC28]
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The study demonstrated that ultrasound-assisted saucing can significantly improve the yield, water holding capacity, springiness, and tenderness of chicken gizzards, while reducing shear force. Ultrasound pretreatment also increased the content of flavor compounds, resulting in better texture and flavor of the gizzards.
The purpose of this study was to evaluate the effects of ultrasound-assisted saucing on the quality of chicken gizzards. The results showed that with the prolonging of the saucing time, the yield, water holding capacity (WHC), lightness (L*), redness (a*) and springiness of chicken gizzards significantly decreased, while the shear force, hardness and chewiness significantly increased (P < 0.05). When the saucing time was the same, the yield, WHC, springiness and tenderness of the ultrasound group were significantly higher than those of the non ultrasound group (P < 0.05). In particular, when the saucing time was 30 min, the yield, WHC and springiness of the ultrasound group increased by 2.13%, 0.97% and 10.53%, and the shear force decreased by 21.22% compared with those of the non-ultrasound group, respectively. Besides, ultrasound pretreatment increased the content of aromatic compounds, short-chain alkanes, alcohols, aldehydes and ketones, and the principal component analysis displayed that C-50 (saucing for 50 min without ultrasound pretreatment) and U-30 (saucing for 30 min with ultrasound pretreatment) were similar in flavor. Therefore, ultrasound pretreatment is a potential way to improve the quality of saucing chicken gizzards and shorten the processing time.
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