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排序方式: 共有55条查询结果,搜索用时 31 毫秒
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研究添加魔芋胶与瓜尔豆胶对鸭血豆腐食用品质的影响。以新鲜鸭血为原料,添加魔芋胶和瓜尔豆胶为 稳定剂,凝血10 min,90 ℃加热40 min制成鸭血豆腐。测定鸭血豆腐的离心损失、蒸煮损失、析水率、色泽和质构 等指标,并进行感官评定。结果表明:单独添加魔芋胶或瓜尔豆胶均能降低鸭血豆腐的离心损失、蒸煮损失和析 水率,同时改善产品的质构;当魔芋胶和瓜尔豆胶以质量比7∶3进行复配,在生产鸭血豆腐时添加量为4.0 g/L时, 其效果达到最佳,能够显著改善鸭血豆腐的亮度(P<0.05),硬度、弹性、胶着性和咀嚼性等质构特性也明显提 高,感官上切面光滑均匀,呈红褐色,孔隙少且细小。因此,魔芋胶与瓜尔豆胶复配添加具有协同稳定作用,能够 显著改善鸭血豆腐的食用品质。 相似文献
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以肌原纤维蛋白-魔芋胶(myofibrillar protein-konjac glucomannan,MP-KG)为模拟体系,利用质构仪、石蜡切片和扫描电镜分别测定复合凝胶质构特性、空间分布和蛋白三维凝胶网络结构,进而阐释复合凝胶微观结构对质构特性的调控机制,为KG在低脂肉制品中的应用提供一定的理论基础。质构特性结果显示:随着KG添加量增高,复合凝胶断裂形变时应力变化呈现抛物线形,说明KG对复合凝胶应力的改善具有添加量极限。复合凝胶断裂形变时应变的变化趋势和应力相似,但是两者的添加量极限不同。低场核磁结果显示:在添加1%KG时不易流动水的弛豫时间最低且其相对百分比最高,分别为274 ms和92.79%,说明KG能够促进蛋白之间的交联,进而提高蛋白基质对水分子的束缚。石蜡切片显示随着KG添加量的提高,MP-KG凝胶体系的空间分布从填充结构转变成互穿结构。扫描电镜显示:对照组的MP凝胶网络结构中布满了相互交错的水沟壑,这些沟壑的存在导致MP凝胶网络结构比较疏松。添加少量KG能够减少蛋白三维网络结构中相互交错的水沟壑,MP凝胶网络结构更加致密均一。添加过量的KG会形成KG连续相,反而破坏蛋... 相似文献
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丙酸钙处理对汉堡保鲜效果的影响 总被引:1,自引:0,他引:1
为了有效延长汉堡的保质期,在加工过程中添加质量分数2%、3%、4%的丙酸钙,分别将汉堡置于常温(20±1) ℃和低温(4±1)℃条件下贮藏,对贮藏期间的汉堡进行感官评价,并测定其酸度、比容、菌落总数、霉菌总数、大肠菌数及致病菌数。结果表明:常温和低温贮藏条件下,3%丙酸钙处理组保鲜效果最佳,能保持较好的感官品质,显著抑制贮藏期间酸度、比容上升,抑制霉菌和大肠菌数量增长,菌落总数显著降低;低温贮藏能有效延长汉堡的保质期,但贮藏后期感官品质下降较快,口感较差。 相似文献
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《International Journal of Hydrogen Energy》2020,45(18):10871-10881
A novel microalgae-bacteria powered biofuel cell (MBBFC) is designed for aquaculture wastewater treatment and energy recovery, in which algal-bacterial cooperation coupling with cathodic bioelectrochemiccal process for efficient nitrogen removal while simultaneously driving anodic bioelectrochemical degradation of antibiotic florfenicol (FLO) with instantaneous electrons uptake from co-substrate. 100 mg/L of ammonia nitrogen is removed completely within 90 h in the algal-bacterial biocathode of MBBFC, mainly attributed to the activity of ammonia oxidizers in the presence of photosynthetic oxygen and the resultant nitrate/nitrite are acceleratively removed by the cathodic bioelectrochemical denitrification. The antibacterial activity of FLO is eliminated through anodic bioelectrochemical enhanced co-metabolic reductive dehalogenation. The feeding 0.5 mg/L of FLO to the anode promotes the growth of Pseudomonas species, which results in a 3.2-fold increase in power output. FLO diffused from the anode to the cathode can exert a selection pressure to the cathodic bacterial community and thereby affecting the nitrogen removal performance of the microalgal-bacterial cathode. The MBBFC shows a great potential for aquaculture wastewater treatment with simultaneously bioelectrical energy recovery. 相似文献
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Neural Processing Letters - Extreme Learning Machine (ELM) is a representative learning algorithm commonly used in data classification and prediction. In the previous literature on ELM, there are... 相似文献
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Many useful properties are assigned to camel (Camelus dromedarius) milk, which is traditionally used for the treatment of tuberculosis, gastroenteritis, and allergy in many countries. Some amino acid sequences, which are encrypted in the camel proteins, may play a beneficial role in human health once they are released from milk either in vivo during normal digestion or by proteolysis with purified enzymes or during bacterial fermentation. Similar to the bovine milk counterparts, camel milk bioactive peptides may display a variety of potential activities that were almost always unveiled from in vitro analyses: anti-microbial, anti-oxidative, anti-hypertensive, anti-inflammatory, and immunomodulatory activities. Today, there is a growing interest for bioactive peptides generated from camel milk. This paper reviews available data on the potential biological activities of the camel milk proteins and their peptides liberated either during milk fermentation with proteolytic bacterial strains or by enzyme hydrolysis with specific proteases or simulated gastro-intestinal digestion. 相似文献
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