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食用油掺入废食用油脂检测技术研究现状 总被引:2,自引:0,他引:2
该文综述目前食用油脂掺入废弃食用油脂现状及涉及食品安全问题;概述目前应用检测食用油掺入废弃食用油脂方法,主要是理化检测和仪器分析检测;最后对检测方法及我国食品安全问题进行展望。 相似文献
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建立荧光分光光度法和高效液相色谱-荧光检测法快速测定废弃食用油脂中示踪剂罗丹明B的方法。将添加了示踪剂罗丹明B的油样用无水乙醇提取后,分别采用荧光分光光度计和高效液相色谱-荧光检测器进行检测。结果表明,采用两种方法检测时,罗丹明B在0.5μg/L~30μg/L浓度范围内均呈良好的线性关系;检出限均为1μg/kg;在10、50、100μg/kg添加水平时,均能有效测定出示踪剂含量,两种方法均适用于食用油中非法添加废弃食用油脂的确证。本研究建立的基于示踪技术的废弃食用油脂快速检测手段和方法,可有效防止废弃食用油脂回流餐桌,确保我国食用油的安全使用,同时也为废弃食用油脂的监管提供新的思路与依据。 相似文献
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为防止废弃食用油脂流入消费市场,2006年3月至7月,南通市卫生监督所稽查人员会同该市环保局固废中心在市区开展了餐饮业废弃油脂专项整治行动,规范收运处置废弃油脂行为,取得了初步成效。 相似文献
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地沟油对人体健康的危害 总被引:3,自引:0,他引:3
"地沟油"是非食用油脂,在概念上归属于餐厨垃圾的范畴,以餐饮业废弃油脂作为原料加工而成的劣质油脂产品。长期食用会对人体健康造成严重危害,并引发多种疾病。文章从餐饮业废弃油脂加工过程、卫生指标两方面,分析其对人体健康造成的严重危害,引导人们科学地使用植物油产品。 相似文献
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食用油脂作为人们日常饮食中不可缺少的重要组成部分,可为人体产生热能,更是人们所需的脂溶性维生素、必需脂肪酸和磷脂等物质的重要来源。它们因种类、纯度、营养成分等指标的不同而在价格上差异悬殊,导致一些不法分子为牟取暴利而将低附加值食用油掺入到高附加值植物油中,更有甚者,将劣质、有毒油脂掺入食用植物油中,由此引发的食品安全问题也屡见不鲜。因此,本文对近年来国内外食用油脂鉴别及掺假检测技术进行了综述,介绍了色谱法(气相色谱法、液相色谱法)、光谱法(红外光谱法、荧光光谱法、拉曼光谱法、紫外-可见吸收光谱法、太赫兹光谱法、低场核磁共振法)、稳定同位素技术及其它方法(如电子鼻、电子舌)在食用油脂中的应用,并展望了食用油脂检测的未来发展方向,以期为我国油脂检测工作和食品安全提供理论参考。 相似文献
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食用油掺伪餐饮业废油脂鉴别检测方法研究进展 总被引:3,自引:0,他引:3
综述了食用油掺伪餐饮业废油脂的鉴别检测方法。通过对油脂的常规理化指标、金属离子含量、电导率、十二烷基苯磺酸钠(SDBS)、黄曲霉毒素、挥发性物质、脂肪酸组成、胆固醇、红外及紫外特征吸收等指标进行定性定量分析,可以鉴别食用油是否掺伪。 相似文献
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目的开发一种能对回收油脂进行有效鉴别的简便、快捷新方法。方法采用马尔文激光粒度仪对27种未经使用食用油以及5种回收油脂中颗粒物粒度大小进行测定,并对此32种油中颗粒物的粒度大小及其分布范围进行比较。结果未经使用的27种食用油中颗粒物粒度平均峰值均小于10 nm,而5种回收油脂中颗粒物粒度平均峰值均大于300 nm。结论回收油脂中颗粒物粒度要大于食用油的颗粒物粒度,通过2类油脂中颗粒物粒度峰值的差异可以进行回收油脂鉴别。本文采用激光粒度仪鉴别回收油脂,无需对样品进行任何前处理,测试过程简便、快捷。 相似文献
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Mohsen Gavahian Yan-Hwa Chu Amin Mousavi Khaneghah 《International Journal of Food Science & Technology》2019,54(4):925-932
Orange is a citrus plant that belongs to Rutaceae family and is widely produced and processed around the world for the production of several products, including orange juice, which is associated with the production of relatively high-volume of orange peel. This by-product is sometimes discarded as a waste in the environment. The valorisation of food waste is the point of interest and orange peel, as a food waste, can be used as a source of value added essential oil. Recently, several advanced extraction techniques, including ultrasound, microwave, enzymatic and supercritical fluid extraction, have been proposed to valorise this by-product. Each of these methods has its advantages and disadvantages and there is no published review regarding this subject. This work aims to review the recent findings on the applicability, benefits and drawbacks of orange oil extraction methods for orange peel valorisation. 相似文献
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Olive oil waste treatment: a comparative and critical presentation of methods, advantages & disadvantages 总被引:1,自引:0,他引:1
Arvanitoyannis IS Kassaveti A Stefanatos S 《Critical reviews in food science and nutrition》2007,47(3):187-229
Since olive oil industries were considered responsible for a great amount of pollution there has been a strong need for optimization of olive oil waste treatment systems. The currently employed systems are numerous and fall in the following large categories; bioremediation (ex-situ, in-situ), thermal processes (incineration, pyrolysis, gasification), evaporation, membrance processes, electrolysis, ozonation, digestion, coagulation/flocculation/precipitation, and distillation. Both advantages and disadvantages in conjunction with respective methodology and explicit flow diagrams were presented per waste treatment method. Furthermore, most recent studies were reported and more than twenty-five figures showing mainly the effectiveness of the current waste treatment methods versus time or temperature were displayed. The comparative presentation of the various olive oil waste treatment methodologies showed that though bioremediation stands for the most enviromentally friendly technique, its required longer treatment time in conjuction with its weakness to deal with elemental contaminants makes imperative the employment of a second alternative technique which could either be a membrance process (low energy cost, reliability, reduced capital cost) or a coagulation/flocculation method because of its low cost and high effectiveness. Biogas production appears to be another promising and energy effective waste treatment method. On the other hand, methods like distillation and ozonation (high cost) and electrolysis (experimental level) are unlikely to dominate this field unless their high cost is substantially reduced in the near future. 相似文献
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目前能源短缺问题已成为亟待解决的问题,系统论述了近几年来木质纤维用于生产一种可替代石油产品的能源———乙醇方面的研究进展,其研究由于具有经济和环保意义得到广泛关注。 相似文献
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餐饮废油是良好资源原料,对其再利用研究可有效解决食品安全、废油污染等问题,也可起到补充石油消费的作用。从餐饮废油资源化再利用和环境保护的角度,概况了有代表性的国家对餐饮废油资源化利用的现状及主要利用形式,分析了存在的问题与解决对策,展望了其深化利用的研究方向与发展趋势。 相似文献