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综述了香蕉粉预防及治疗溃疡、润肠及治疗便秘等功能,以及加工中存在的技术难点,介绍了目前加工香蕉粉常用的喷雾干燥及真空冷冻干燥技术,并推介在香蕉粉加工中应用真空带式连续干燥、微波真空干燥及挤压膨化等新技术。 相似文献
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随着社会的持续发展和技术的不断创新,我国果蔬产业经历了一个快速发展时期。诸多新技术、新材料和新理念被应用到果蔬加工中。绿色食品正是为了满足消费者日益增长的食品需求而提出的理念,应用绿色加工技术是未来果蔬加工的必然趋势。本文提出了果蔬绿色加工技术的定义,阐述了绿色加工技术在果蔬产业中的研究和应用现状及存在的问题,并就果蔬绿色加工技术前景进行了展望,以期引起果蔬加工产业各方的重视和共鸣,推动果蔬绿色加工技术的持续研究和应用。 相似文献
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一、农产品加工的技术与分析1.加工成果蔬粉。农产品加工技术在应用的过程中,可以通过加工果蔬粉的方式,对一系列的新鲜水果和蔬菜进行速冻、杀菌和冷藏,从而有效防止果蔬在储存或出售过程中出现各种腐烂问题。与此同时,通过加工成果蔬粉的方式,有助于对水果的营养含量和质感进行保障,使其成为消费者满意的一种农产品消费形式,进而更好地提升农产品加工质量和效果,有效地增强农产品加工的技术和方法。 相似文献
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5种高新技术在果蔬加工中的应用与研究现状及发展前景 总被引:1,自引:0,他引:1
《食品与发酵工业》2016,(4):252-259
果蔬中含有大量水分、碳水化合物及其他营养成分,还含有很多活性物质,因此不耐贮藏,容易腐败,且加工时部分营养物质及活性物质容易损失。随着人们对果蔬加工品品质要求的提高,传统加工技术已不能满足对果蔬加工的要求。能最大限度保持果蔬品质和营养成分的高新技术的探索与应用已成为果蔬加工业发展的大趋势。文中阐述了超微粉碎技术、超声波技术、微波加工技术、膜分离技术、超临界萃取技术5种高新技术的作用原理及其在果蔬加工中的应用现状,分析了高新技术在果蔬加工中的发展前景。 相似文献
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我国喷雾干燥设备现状及与国外的差距 总被引:3,自引:0,他引:3
利用喷雾干燥的方法加工牛奶制品至今已有一百多年的历史。喷雾干燥的雾化方法经历了由压力喷雾到离心喷雾又到压力喷雾与离心喷雾同存的几个过程。喷雾干燥设备的类型很多,塔体有立式、卧式;气流的方向有并流式、逆流式;捕粉形式有旋风捕粉、袋滤器捕粉及带洗涤器的捕粉。还有闭式循环喷雾干燥器及开放式喷雾干燥器、手动控制及自动控制等。1 我国喷雾干燥设备的现状我国将喷雾干燥技术应用于工业化生产加工牛奶是在50年代。设备由早期的卧式干燥箱发展到立式干燥塔,装备比较简单,单机处理能力小,要提高产品质量存在相当大的困难。11 进… 相似文献
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Figueroa-González I Quijano G Ramírez G Cruz-Guerrero A 《Journal of the science of food and agriculture》2011,91(8):1341-1348
Owing to their health benefits, probiotics and prebiotics are nowadays widely used in yogurts and fermented milks, which are leader products of functional foods worldwide. The world market for functional foods has grown rapidly in the last three decades, with an estimated size in 2003 of ca US$ 33 billion, while the European market estimation exceeded US$ 2 billion in the same year. However, the production of probiotics and prebiotics at industrial scale faces several challenges, including the search for economical and abundant raw materials for prebiotic production, the low-cost production of probiotics and the improvement of probiotic viability after storage or during the manufacturing process of the functional food. In this review, functional foods based on probiotics and prebiotics are introduced as a key biotechnological field with tremendous potential for innovation. A concise state of the art addressing the fundamentals and challenges for the development of new probiotic- and prebiotic-based foods is presented, the niches for future research being clearly identified and discussed. 相似文献
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常用消毒灭菌法及其机理与应用 总被引:3,自引:0,他引:3
介绍了采用消毒灭菌方法,有加热消毒法,紫外线辐射法和化学药剂消毒法。常用化学药剂有醛类、含氯消毒剂、醇类消毒剂以及高锰酸钾、生石灰等,阐释了消毒与灭菌两个概念的区别。 相似文献
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The objectives of the current study were to investigate the relationship between body condition score (BCS) and dairy form and changes in genetic parameters for BCS and dairy form within and across lactations and age. Body condition score and dairy form were obtained from the Holstein Association USA, Inc. Records were edited to include those cows classified between 24 and 60 mo of age and between 0 and 335 d in milk (DIM). A minimum of 20 daughters per sire and 15 cows per herd-classification visit were required. The dataset consisted of 135,178 records from 119,215 cows. Repeatability, multiple trait, and random regression models were used to analyze the data. All models included fixed effects for herd-classification visit, age within lactations 1, 2, and 3 or higher, and 5th-order polynomials for DIM. Random effects included sire and permanent environment for all models. Random regression models included age at classification nested within sire or DIM and lactation number nested within sire. Genetic variance for both BCS and dairy form was lowest in early lactation and highest in midlactation. Genetic correlations within and across lactations were high. The genetic correlation between DIM 0 in lactation 1 and DIM 305 in lactation 3 was estimated to be 0.77 for BCS and 0.60 for dairy form. The genetic correlation estimate between 30 mo of age at classification and 50 mo of age at classification was 0.94 for both dairy form and BCS. The repeatability models appeared to generate accurate evaluations for BCS or dairy form at all ages and stages of lactation. 相似文献
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A. FOSTER 《International journal of cosmetic science》1979,1(4):221-245
An historical reference is followed by a review of cosmetic colours’ regulations based on the EEC Directive with particular reference to the U.K. Cosmetic Products Regulations and their effect on formulation. Les reglementations des colorants pour cosmetiques 相似文献
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法国R.Stat公司活跃在导电纤维市场已有20年之久,但是,办公室雇员、宾馆客人、飞机乘客、在易爆炸环境中工作的人员、木材或纸浆工业操作人员、消防队员和军人,由于得益于R.Stat公司生产的导电纤维的保护,而免遭令人不舒服的电击,或者免遭火灾和爆炸的伤害,这些却无人知晓。 相似文献