低温等离子体处理功率对酱牛肉贮藏品质的影响

doi:10.13229/j.cnki.jdxbgxb20191072

摘要/Abstract

摘要：

为解决酱牛肉在贮藏期间容易变质货架期短的问题，利用低温等离子体对酱牛肉进行杀菌，研究低温等离子体处理功率分别在300、350、400、450、500 W、处理时间为3 min的条件下对气调包装（75%CO₂+25%N₂）酱牛肉贮藏期间品质的影响。结果表明：当低温等离子体的功率为400 W、处理3 min时，对酱牛肉的pH、色泽、蛋白质和脂质氧化的影响较小，而且水分损失最少，杀菌效果最好，酱牛肉的货架期可延长约5天。

关键词: 食品加工技术, 低温等离子体, 气调包装, 酱牛肉, 货架期

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

中图分类号:

TS251.61

李欣欣,李大宇,赵子瑞,周亚军. 低温等离子体处理功率对酱牛肉贮藏品质的影响[J]. 吉林大学学报(工学版), 2020, 50(5): 1934-1940.

Xin-xin LI,Da-yu LI,Zi-rui ZHAO,Ya-jun ZHOU. Effect of low⁃temperature plasma treatment power on storage quality of spiced beef[J]. Journal of Jilin University(Engineering and Technology Edition), 2020, 50(5): 1934-1940.

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参考文献 17

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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

时间/天	300 W	350 W	400 W	450 W	500 W	对照组
0	8.38±0.55^a	8.61±1.47^a	8.47±0.19^a	8.51±0.84^a	8.98±0.42^a	8.09±1.13^a
4	10.72±2.09^c	10.61±3.83^a	10.41±0.63^ab	11.37±7.74^cd	13.10±4.30^bc	10.00±0.35^bc
8	11.14±0.18^a	11.10±0.64^a	11.57±1.76^b	12.30±3.41^de	13.46±2.11^b	11.26±1.22^cd
12	14.02±3.67^c	15.31±0.62^b	12.47±2.89^d	14.48±2.33^b	15.13±1.53^bc	10.33±0.45^ab
16	18.11±1.16^b	17.07±0.26^a	14.59±0.62^ab	18.84±2.07^bc	15.33±1.58^bc	11.70±0.92^d
20	18.82±2.47^a	18.14±0.39^c	16.50±0.81^c	18.51±2.57^e	18.66±2.22^c	12.85±0.56^d

时间/天	300 W	350 W	400 W	450 W	500 W	对照组
0	3.36±0.15^a	3.25±0.74^a	3.92±1.20^bc	3.64±0.15^a	3.05±0.15^a	3.18±0.65^c
4	4.76±1.14^b	4.95±0.18^a	5.83±1.25^c	6.60±1.32^b	3.55±0.41^a	4.18±0.35^d
8	3.39±0.12^ab	4.13±0.19^a	3.89±0.40^ab	4.07±0.16^a	3.83±0.26^a	3.53±0.04^a
12	3.51±0.77^ab	4.38±0.93^a	3.66±0.19^a	3.49±0.30^a	4.83±0.58^a	3.26±0.06^b
16	3.52±0.19^ab	3.83±1.66^a	3.26±0.13^a	3.15±0.27^a	4.35±0.94^a	2.73±0.10^c
20	3.01±0.99^ab	3.15±1.00^a	3.52±0.40^ab	3.14±0.76^a	2.46±0.11^a	2.34±0.45^c

时间/天	300 W	350 W	400 W	450 W	500 W	对照组
0	48.43±0.01^e	49.33±0.01^e	46.84±0.01^d	49.54±0.01^e	49.32±0.01^f	47.62±0.01^d
4	41.23±0.12^c	38.92±0.31^c	44.46±0.43^c	38.55±0.37^a	37.67±0.11^c	42.47±1.17^c
8	42.30±0.17^d	39.21±0.25^c	48.92±0.06^e	48.40±0.11^c	46.78±0.41^e	38.95±0.24^b
12	36.97±0.47^a	35.00±0.78^a	44.96±0.38^c	49.53±0.27^d	39.32±0.45^d	38.85±0.41^b
16	36.74±0.01^a	41.42±0.01^d	36.97±0.83^b	47.94±0.85^c	32.17±0.01^a	37.27±0.01^a
20	37.44±0.01^b	35.78±0.01^b	34.17±0.06^a	39.91±0.01^b	32.94±0.01^b	36.48±0.01^a

时间/天	300 W	350 W	400 W	450 W	500 W	对照组
0	6.65±0.06^e	6.55±0.09^d	6.81±0.28^d	7.17±0.07^f	7.84±0.07^f	6.74±0.04^d
4	5.86±0.04^c	5.85±0.23^c	4.77±0.34^b	6.59±0.08^e	6.07±0.02^d	5.81±0.21^c
8	5.95±0.07^c	7.85±0.02^e	4.93±0.07^b	5.23±0.12^d	5.65±0.09^c	6.88±0.04^d
12	6.35±0.11^d	7.84±0.33^e	5.85±0.59^c	4.64±0.23^c	6.40±0.26^e	6.86±0.08^d
16	3.17±0.06^a	4.81±0.07^b	5.26±0.18^b	3.52±0.06^a	3.15±0.02^b	4.90±0.04^b
20	4.36±0.02^b	3.58±0.06^a	2.93±0.05^a	4.29±0.04^b	2.63±002^a	3.60±0.01^a