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水产品生产和加工一般以大宗产品、低值产品和废弃物的精深加工和综合利用为重点,作者从低值淡水鱼综合利用的角度出发,结合国内外这两年在该领域所取得的成果,对低值淡水鱼加工与下脚料利用的研究进展作了较全面的综述。 相似文献
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利用蛋白酶水解水产品加工废弃物的研究进展 总被引:5,自引:0,他引:5
水产品下脚料中含有丰富的蛋白质,营养丰富,生物效价高,还含有人体所需要的无机盐,如钙、镁、铁和磷等,利用一些低值鱼及下脚料来生产高附加值的产品已显得越来越重要,蛋白酶的使用正是适合这一需要。本文对蛋白酶在水产品加工废弃物中的应用作一综合介绍,力求有助于改变国内传统的加工方法,促进蛋白酶在水产品加工业中的应用。 相似文献
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利用麦胚和低值鱼为主要原料开发膨化复合营养粉的配方设计,以氨基酸评分法为理论依据,采用线性规划的数学模型并应用Excel中的规划求解得麦胚和低值小黄鱼的合理配比为3.89:1(干基);同时采用挤压膨化生产技术以糊化度、沉淀吸水指数、水溶性指数和黏度为指标选择添加30%的马铃薯淀粉作为加工助剂和产品增稠剂. 相似文献
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近年来,我国海水鱼类捕捞与养殖产业发展快速,海水鱼类加工过程产生的大量副产物,只有小部分作为饲料,大部分被废弃造成环境污染。而海水鱼内脏含有丰富的生物活性肽、酶以及脂质等可以被有效利用的成分,有必要对其进行开发利用。本文综述了近年来国内外学者对海水鱼内脏在生物活性肽如抗氧化肽、抗疲劳肽、抗高血压肽,内脏酶如蛋白酶、超氧化物歧化酶、胆碱酯酶、酸(碱)性磷酸酶,脂质中磷脂、脂肪酸、不皂化的脂质提取工艺与运用方面的研究进展,并对海水鱼内脏今后的高值化开发利用提出建议,以期为海水鱼内脏的高值化利用,促进海水鱼产业的零废弃高值高质加工提供参考。 相似文献
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《Journal of food engineering》1988,8(3):201-215
A significant finding of this work, concerned with the hydrolysis of cod (Gadus morhua) offal with papain (0·05% of fish offal, w/w, wet basis, at 65°C), was that the rate of hydrolysis was not dependent on the concentration of substrate in the range of 10–20% w/w dry matter. This, together with the fact that the ‘viscosity’ of the minced offal was reduced considerably at 65°C, made it possible to carry out the hydrolysis without the addition of water. Consequently, the major factors influencing processing and capital investment costs, namely energy for water removal, power for mixing and equipment size, could be substantially reduced. It was also found that enzyme inactivation after hydrolysis could be carried out by heating up to only 80°C and maintaining that temperature for 12 min; this treatment reduced the enzyme activity to 1% of its original value. 相似文献
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Ian N. Tatterson Malcolm L. Windsor 《Journal of the science of food and agriculture》1974,25(4):369-379
The literature on fish silage is briefly reviewed and experiments described in which six types of fish silage were made using the following raw materials: sprats, herring, herring offal, sand-eels, white fish offal and mackerel. The silages were stored for a period of one year at temperatures of +2 ºC and +23 ºC. The composition of each silage is reported and some of the changes occurring in the protein and oil during storage are described together with an outline of the methods of measurement. There are rapid deteriorative changes in the fish oils and increases in soluble nitrogen. The conditions under which fish silage may be considered a suitable process for utilising waste fish are outlined. 相似文献
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多酶法在鱼露生产工艺中的应用 总被引:20,自引:0,他引:20
应用正交试验优选了碱性蛋白酶和中性蛋白酶对青鳞鱼下脚料 (鱼头、鱼骨、内脏、鱼皮等 )的水解条件 ,在此基础上 ,同时用碱性蛋白酶和中性蛋白酶 ,再用风味酶对青鳞鱼下脚料蛋白质进行水解 ,确定了以多酶法生产鱼露的新工艺。结果表明 ,青鳞鱼下脚料中蛋白质含量达 14 8% ,经多酶水解和适当调配可制得风味浓郁的鱼露。多酶法水解蛋白质的条件为 :同时用 1 5 %碱性蛋白酶和 1 5 %中性蛋白酶在 pH 7 0、5 0℃条件下水解 12 0min后再加入 2 %风味酶继续水解 60min ;新工艺生产鱼露中必需氨基酸含量达 40 3 % ,总氮达 19mg/L ,氨基氮达 11mg/g ,占总氮的 61 0 % ,呈味氨基酸含量达 49 5 %。因此新工艺鱼露营养丰富 ,味道鲜美。 相似文献
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罗非鱼加工的下脚料以碎鱼肉、鱼骨、鱼头、鱼皮、鱼内脏、鱼鳞为主,含有丰富的蛋白质、多种矿物质、氨基酸以及不饱和脂肪酸等营养物质。为了综合利用丰富的罗非鱼资源,本文应用高压蒸煮、酸浸泡-熬煮、擂溃、成型、平板速冻等关键技术对罗非鱼下脚料进行加工开发。 相似文献
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研究了以低值鱼为原料的鱼蛋白酶解条件及脱苦、脱腥等工艺技术,选择焦磷酸铁作为铁质营养添加剂,并确定最佳添加量,以制得具有铁质强化功能的酶解鱼蛋白质。 相似文献
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《Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment》2013,30(10):1770-1779
Human exposure to polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) and dioxin-like PCBs (dl-PCBs) should be assessed regularly. In order to evaluate the contamination levels in various food products on the Austrian market and to assess the dietary exposure of the Austrian population for the first time, a national monitoring programme was conducted from 2005 to 2011. The 235 food products comprised meat, poultry, game and offal, fish and fish products, milk and dairy products, eggs, animal fats and vegetable oils. To estimate the dietary intakes of PCDD/Fs and dl-PCBs, mean concentrations in food were combined with the respective food consumption data from the Austrian food consumption survey. Estimated dietary intakes were expressed as toxic equivalents (WHO-TEQs 1998). The mean intakes for PCDD/Fs and dl-PCBs were estimated as 0.77, 0.75 and 0.61 pg WHO-TEQ kg?1 bw day?1 for children, women and men, respectively. The main contributors to total intake were milk and dairy products followed by fish and fish products for children and women, and meat, poultry, game and offal for men (65% and 15% for children, 67% and 14% for women, and 63% and 19% for men, respectively). Comparison of the estimated dietary intakes with the toxicological reference values shows that both children and adults are well below those values. 相似文献
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外加成曲发酵去除鱼露腥味的初步研究 总被引:1,自引:0,他引:1
以添加米糠、藠头皮制得的成曲对鲢鱼下脚料发酵水解,进行去除鱼露鱼腥味的实验,以感官指标为评价标准,将其与普通成曲的处理方法对鱼露的去腥效果进行对比,结果表明,使用添加有藠头皮的成曲,藠头皮的添加量为小麦重量的75%,对蛋白酶活力影响较小,去腥效果好,鱼露的风味感官评价较好。 相似文献