共查询到18条相似文献,搜索用时 46 毫秒
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研究了腌制液中的食盐浓度和滚揉时间,腌制液中焦磷酸盐(PP)浓度和滚揉时间以及PP、三聚磷酸盐(TPP)、六偏磷酸盐(HMP)和滚揉时间对腌制液向肉块内部渗透速度的影响。以猪里脊肉为研究材料,垂直于肌纤维的方向切成2cm肉块和腌制液混合滚揉腌制,采用染料追踪法研究不同处理条件下,肉块从外到内腌制液的浓度变化情况,从而得到腌制液渗透速度曲线。试验结果表明:和空白对照组相比,食盐浓度、PP、TPP、HMP都显著提高了腌制液的渗透速度;PP、TPP、HMP对腌制液渗透速度影响大小顺序是PP>TPP>HMP;在滚揉腌制开始2h内腌制液渗透速度最快,随后逐渐降低;随着食盐浓度、PP浓度的增加,肉块从外到内不同层腌制液浓度逐渐增加;随着滚揉时间的延长,肉块不同层腌制液浓度也是逐渐增加的。 相似文献
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为探明滚揉工艺中滚揉里程、温度、真空度三因素结合处理对调理鸡胸肉制品出品率的影响,在单因素试验的基础上,采用Box-Behnken响应面法,对滚揉里程、温度、真空度结合处理调理鸡胸肉制品的工艺参数进行优化分析。结果表明:以滚揉里程、温度、真空度为自变量,出品率为响应值,得到的二次多项式回归模型拟合度高(决定系数R2=0.848 9),失拟度低;温度和真空度的交互作用对产品的出品率有显著影响(P<0.05);滚揉里程、温度、真空度三因素结合处理调理鸡胸肉最佳工艺为:滚揉里程4 000 m、温度1 ℃、真空度0.07 MPa。应用此工艺对调理鸡胸肉制品进行加工,产品的实际出品率达到98.32%。 相似文献
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探讨滚揉腌制工艺中,时间、温度、真空压力、转速4个参数,对西冷牛肉的保水性、色泽及嫩度3个方面品质的影响。首先,单因素试验探究特定参数对牛肉品质的具体影响情况;再以嫩度为指标,经正交试验优化得到最佳工艺,对比空白试验组,探究最优情况工艺下,牛肉品质的变化情况;最后依据试验数据对各品质的相关性进行分析。结果表明,通过单因素试验可知,随着滚揉工艺参数的改善,牛肉的感官色泽、口感嫩度,对腌制液的吸收率均产生变化。根据单因素试验结果再经正交试验分析后,得到最佳牛肉滚揉腌制工艺,其参数为温度6℃、时间3h、真空度0.08MPa、转速为4r/min。此外,牛肉在滚揉工序中,各品质指标间存在着显著的相关性,其中剪切力与蒸煮损失、亮度值(L~*)、红度值(a~*)、黄度值(b~*)之间呈极显著相关关系。 相似文献
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干腌火腿现代滚揉腌制工艺研究 总被引:2,自引:0,他引:2
通过干腌火腿现代滚揉腌制成套技术装备进行滚揉腌制工艺正交试验,研究用盐量、腌制时间、上盐次数等试验因素对腌制效果的影响。结果表明:采用滚揉腌制能有效提高腌腿表层盐分和内部水分传质渗透速度,腌制25d股二头肌NaCl含量达到传统工艺35d水平,且用盐量比传统工艺降低30%,均匀性提高10%;回归试验因数的相关分析结果表明:NaCl含量与腌制时间呈极显著正相关(p<0.01),与用盐量也呈显著正相关(p<0.05)。滚揉腌制工艺优化结果为:6%用盐量-25d腌制时间-4次上盐滚揉处理组合。 相似文献
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研究了滚揉时间、腌制液中食盐浓度和三聚磷酸钠(STPP)浓度3因素对肉块类西式火腿的质构影响。采用冷鲜的猪里脊肉为原料,每个因素3个水平,按照L27(313)考虑交互作用的正交实验设计,进行滚揉和腌制液的配制,并制作肉块类西式火腿。利用质构仪测定火腿的硬度和弹性。滚揉时间、腌制液中食盐浓度、三聚磷酸钠浓度以及他们的交互作用对火腿的硬度影响显著(p<0.05),增加滚揉时间不能显著提高火腿的弹性,反而增加电能的消耗,食盐浓度和滚揉时间的交互作用对产品弹性的影响显著(p<0.05),并且其交互效益大于食盐浓度和三聚磷酸钠的单独效益。当滚揉时间8h,腌制液中食盐浓度10%,STPP浓度2.0%时硬度品质最优。当滚揉时间4h,腌制液中食盐浓度8%,STPP2.0%时弹性品质最优。 相似文献
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Pork chops with two different levels of intramuscular fat were distributed to consumers in the Dublin area for an in-home evaluation. Only regular pork consumers participated. The objective was to find out whether consumers perceived differences in the appearance and eating quality of the chops. Although an increase in the level of intramuscular fat may have a negative effect on appearance and ultimate purchase, consumers were no more likely to prefer the lower or the higher levels of intramuscular fat. It was also found that consumer ratings of the chops were not different for the important eating attributes of juicines, tenderness, and flavour. It was concluded that there would be no benefit in increasing the level of intramuscular fat to the upper limit available on the Dublin market, since consumer satisfaction in that market would not be increased. 相似文献
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HACCP原理在速冻炸猪扒生产中的应用 总被引:1,自引:0,他引:1
目的针对速冻炸猪扒,建立一套科学合理的HACCP计划,更好地保障生产过程中食品安全。方法通过文献查阅和工厂实地调研,收集建立HACCP体系的预备信息并建立科学合理的HACCP计划。结果对速冻炸猪扒所涉及的14种原辅料、内外包装材料以及终成品进行描述,并绘制了总流程图与分解流程图,对21个工艺步骤进行描述,并基于物料、生产过程、公共设施(服务)以及过敏原进行危害分析。通过科学的危害评估方法,最终确定3个关键控制点(CCP),分别为挂糊、X光机和金属探测工艺,制定了HACCP计划,并对其有效性进行验证。结论采用HACCP体系对速冻炸猪排的生产过程进行控制,更好地保障了食品安全,且为企业降低了管理成本。 相似文献
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为解决盐焗鸡多次卤制后卤汁的回收利用问题,采用动物复合蛋白酶对卤制7次后的盐焗鸡卤汁进行酶解。考察了酶用量、酶解温度、酶解时间和pH等因素对盐焗鸡卤汁酶解效果的影响,通过响应面法对酶解工艺进行优化,并分析了水解后卤汁中的氨基酸组成。结果表明:酶法水解盐焗鸡卤汁最优工艺条件为酶用量12000 U,酶解温度48 ℃,酶解时间6 h,pH7.6,此条件下卤汁水解度为14.73%。酶解后卤汁中游离氨基酸种类达到30种,主要包含有8种人体必需氨基酸、鲜味氨基酸和药效氨基酸。与酶解前相比,新增氨基酸5种,氨基酸总量增加了3.67倍,必需氨基酸含量增加了9.56倍。丰富了卤汁水解液的氨基酸组成,为其回收利用提供了基础。 相似文献
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Jarvis N Clement AR O'Bryan CA Babu D Crandall PG Owens CM Meullenet JF Ricke SC 《Journal of food science》2012,77(6):S253-S257
In order to address the growing demand for more natural poultry products, alkaline phosphates commonly used in chicken breast meat marinades were replaced with plum ingredients and evaluated. For initial sensory evaluation, 200 consumers of chicken were served a small portion of the chicken breast on a plate and were asked to evaluate the product for overall impression, flavor, and texture on a 9-point hedonic scale with 1 = "dislike extremely" and 9 = "like extremely." Also, a 5-point just-about-right (JAR) scale was used on questions about tenderness, juiciness, overall flavor, and saltiness. Both hedonic and JAR demonstrated that the marinades of plum concentrate and the blend of plum fiber and powder were not distinguishable from the control (P > 0.05). Using two different percentages of fiber/powder blend, two different percentages of concentrate, sodium tripolyphosphate (STPP), and no marinade, measurements were made for marinade per cent pickup, thaw loss, and cook loss. Plum concentrate at 1.1% was most similar to STPP in marinade per cent pickup, thaw loss, drip loss, and cook loss. These results show that plum ingredients can potentially be used as a substitute in standard phosphate marinades. PRACTICAL APPLICATION: Consumers are increasingly demanding more natural foods with less artificial additives. This research presents the results of experiments using dried plum ingredients as a substitute for phosphates commonly used in marinades for chicken. Results indicate that dried plum ingredients may be a suitable substitute for phosphates in marinades. 相似文献