Journal of Jilin University(Engineering and Technology Edition) ›› 2020, Vol. 50 ›› Issue (5): 1934-1940.doi: 10.13229/j.cnki.jdxbgxb20191072

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Effect of low⁃temperature plasma treatment power on storage quality of spiced beef

Xin-xin LI1(),Da-yu LI1,Zi-rui ZHAO2,Ya-jun ZHOU1()   

  1. 1.College of Food Science and Engineering, Jilin University, Changchun 130062, China
    2.College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China
  • Received:2019-11-25 Online:2020-09-01 Published:2020-09-16
  • Contact: Ya-jun ZHOU E-mail:lxx@jlu.edu.cn;zhouruyilang@163.com

Abstract:

In order to solve the problem that the spiced beef is easy to deteriorate during storage and the shelf life is short, the low-temperature plasma is used to sterilize the spiced beef. The effects of low temperature plasma treatment power on 300 W, 350 W, 400 W, 450 W and 500 W, and treatment time of 3 min on the quality of modified atmosphere packaging (75%CO2+25%N2) spiced beef were studied during storage. The results show that when the power of the low temperature plasma is 400 W and treated for 3 min, the effect on the pH, color, protein and lipid oxidation of the spiced beef is small, and the moisture loss is the least, and the sterilization effect is the best. The shelf life of the spiced beef is extended by about 5 days.

Key words: food processing technology, low temperature plasma, modified atmosphere packaging, spiced beef, shelf life

CLC Number: 

  • TS251.61

Table 1

Sensory evaluation standards"

项目10分8分6分4分2分
总分(10分)总分=色泽ⅹ20%+风味ⅹ25%+组织状态ⅹ15%+口感滋味ⅹ40%
色泽肉色正常,有光泽肉色正常,稍有褪色色泽尚可接受表皮变色并有腐烂肉质变色严重
气味无异味,肉香浓郁无异味,有肉香肉香稍淡,伴有酸味几乎无肉香,酸味重无肉香,酸臭味大
组织状态有弹性、肉质紧实有弹性,肉质较紧实肉质稍有弹性,表面发黏肉质变软,表面较黏肉质腐烂霉变,表面黏性大
口感滋味滋味好,无粗糙感滋味较好,无异味滋味稍差有粗糙感口感粗糙,有异味不可入口,有异物

Fig.1

Effect of plasma processing power on pH value of spiced beef during storage at 4 °C"

Fig.2

Effect of plasma processing power on water activity of spiced beef during storage at 4 °C"

Fig.3

Effect of plasma processing power on moisture content of spiced beef during storage at 4 °C"

Fig.4

Effect of plasma processing power on TVB-N of spiced beef during storage at 4 °C"

Fig.5

Effect of plasma processing power on TBARS of spiced beef during storage at 4 °C"

Fig.6

Effect of plasma processing power on total bacterial of colonies of spiced beef during storage at 4 °C"

Table 2

Effect of plasma processing power on hardness of spiced beef during storage at 4 °C"

时间/天300 W350 W400 W450 W500 W对照组
08.38±0.55a8.61±1.47a8.47±0.19a8.51±0.84a8.98±0.42a8.09±1.13a
410.72±2.09c10.61±3.83a10.41±0.63ab11.37±7.74cd13.10±4.30bc10.00±0.35bc
811.14±0.18a11.10±0.64a11.57±1.76b12.30±3.41de13.46±2.11b11.26±1.22cd
1214.02±3.67c15.31±0.62b12.47±2.89d14.48±2.33b15.13±1.53bc10.33±0.45ab
1618.11±1.16b17.07±0.26a14.59±0.62ab18.84±2.07bc15.33±1.58bc11.70±0.92d
2018.82±2.47a18.14±0.39c16.50±0.81c18.51±2.57e18.66±2.22c12.85±0.56d

Table 3

Effect of plasma processing power on elasticity of spiced beef during storage at 4 °C"

时间/天300 W350 W400 W450 W500 W对照组
03.36±0.15a3.25±0.74a3.92±1.20bc3.64±0.15a3.05±0.15a3.18±0.65c
44.76±1.14b4.95±0.18a5.83±1.25c6.60±1.32b3.55±0.41a4.18±0.35d
83.39±0.12ab4.13±0.19a3.89±0.40ab4.07±0.16a3.83±0.26a3.53±0.04a
123.51±0.77ab4.38±0.93a3.66±0.19a3.49±0.30a4.83±0.58a3.26±0.06b
163.52±0.19ab3.83±1.66a3.26±0.13a3.15±0.27a4.35±0.94a2.73±0.10c
203.01±0.99ab3.15±1.00a3.52±0.40ab3.14±0.76a2.46±0.11a2.34±0.45c

Table 4

Effect of plasma processing power on L* value of spiced beef during storage at 4 °C"

时间/天300 W350 W400 W450 W500 W对照组
048.43±0.01e49.33±0.01e46.84±0.01d49.54±0.01e49.32±0.01f47.62±0.01d
441.23±0.12c38.92±0.31c44.46±0.43c38.55±0.37a37.67±0.11c42.47±1.17c
842.30±0.17d39.21±0.25c48.92±0.06e48.40±0.11c46.78±0.41e38.95±0.24b
1236.97±0.47a35.00±0.78a44.96±0.38c49.53±0.27d39.32±0.45d38.85±0.41b
1636.74±0.01a41.42±0.01d36.97±0.83b47.94±0.85c32.17±0.01a37.27±0.01a
2037.44±0.01b35.78±0.01b34.17±0.06a39.91±0.01b32.94±0.01b36.48±0.01a

Table 5

Effect of plasma processing power on a* value of spiced beef during storage at 4 °C"

时间/天300 W350 W400 W450 W500 W对照组
06.65±0.06e6.55±0.09d6.81±0.28d7.17±0.07f7.84±0.07f6.74±0.04d
45.86±0.04c5.85±0.23c4.77±0.34b6.59±0.08e6.07±0.02d5.81±0.21c
85.95±0.07c7.85±0.02e4.93±0.07b5.23±0.12d5.65±0.09c6.88±0.04d
126.35±0.11d7.84±0.33e5.85±0.59c4.64±0.23c6.40±0.26e6.86±0.08d
163.17±0.06a4.81±0.07b5.26±0.18b3.52±0.06a3.15±0.02b4.90±0.04b
204.36±0.02b3.58±0.06a2.93±0.05a4.29±0.04b2.63±002a3.60±0.01a

Table 6

Effect of plasma processing power on b* value of spiced beef during storage at 4 °C"

时间/天300 W350 W400 W450 W500 W对照组
025.06±0.14a25.55±0.13a26.34±0.12a24.53±0.17a26.36±0.11b25.69±0.10a
426.05±0.53b26.68±0.36b27.96±0.48b29.98±0.1d28.58±5.8a27.16±0.16b
830.04±0.04e28.07±0.08c30.86±0.20d32.26±0.22e30.61±0.41b28.26±0.27c
1227.54±0.17c26.46±0.37b31.28±0.23d29.63±0.08c26.93±0.33b27.17±0.34b
1627.13±0.18c29.22±0.09e29.21±0.41c32.24±0.26e28.08±0.03b28.21±0.16c
2028.15±0.17d28.54±0.09d29.05±0.10c28.69±0.18b28.86±0.12b28.67±0.25d

Fig.7

Effect of plasma processing power on sensory evaluation of spiced beef during storage at 4 °C"

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