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蜂王浆贮存过程中游离氨基酸(FAA)的变化测定
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作者 吴湘香 emanuele boselli +1 位作者 Maria Fopremza CABONI Anna Glorea SABARINl 《养蜂科技》 2005年第5期27-29,共3页
本文采用气相色谱-质谱(GC-MS)定性定量分析研究王浆中的FAA。手性分离柱气相色谱(GC)分析出D-Aml的存在,蜂王浆中FAA总量为7.3mg/g,Pro、Lys、Glu、β-Ala、Asp和Ser是主要FAA,样品中D-Ser含量在检测限以下(0.1mg/g)。样品采集完后分... 本文采用气相色谱-质谱(GC-MS)定性定量分析研究王浆中的FAA。手性分离柱气相色谱(GC)分析出D-Aml的存在,蜂王浆中FAA总量为7.3mg/g,Pro、Lys、Glu、β-Ala、Asp和Ser是主要FAA,样品中D-Ser含量在检测限以下(0.1mg/g)。样品采集完后分成两部分,一部分立即冷冻,同时对其FAAs进行监测,另一部分分成两组分别置于室温和4℃下贮存3、6、10个月。结果显示,4℃下的FAA含量基本恒定,而室温下Pro和Lys在前3个月分别上升至6.8和3mg/g,6个月后又分别降至3和1mg/g。 展开更多
关键词 蜂王浆 游离氨基酸 气相色谱 贮存状况 手性分离
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Quality and origin of mountain food products: the new European label as a strategy for sustainable development 被引量:1
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作者 Deborah BENTIVOGLIO Sara SAVINI +2 位作者 Adele FINCO Giorgia BUCCI emanuele boselli 《Journal of Mountain Science》 SCIE CSCD 2019年第2期428-440,共13页
Mountain farming provides high-quality food products due to the peculiar characteristics of the raw materials combined with traditional processing conditions. However, these products and their intrinsic characteristic... Mountain farming provides high-quality food products due to the peculiar characteristics of the raw materials combined with traditional processing conditions. However, these products and their intrinsic characteristics are not clearly recognized by consumers on the market. Nowadays, Protected Designation of Origin(PDO), Protected Geographical Indication(PGI) and Traditional Specialities Guaranteed(TSG) certifications include products originating in mountain areas, even if a large part of mountain foodstuff is not protected by these certifications and foods not made in mountain areas are often labeled as ―mountain food products‖. For this reason, the European Union has set a specific Regulation in 2012 to recognize and protect mountain food and to make the consumers safer about the origin information. The objective of this paper is twofold: firstly, it presents the recent aspects related to European legislation of mountain food product; secondly, it aims at reviewing the main features of nutritional quality and technology of dairy and meat products, as the most widespread mountain food products, and the main protocols used to evaluate the authenticity of these food products. The promotion of mountain food product through a specific label and the use of tracing methods, which are able to verify the authenticity of the origin of these products, may play a pivotal role in increasing the consumer‘s loyalty towards these products and could be a way to boost a sustainable development of these economically marginal rural areas. However, the analytical protocols developed so far(stable isotopes, macro and microelements, radionuclides, spectroscopic, molecular techniques, volatile substances profile, terpenes) are in many cases still at the experimental level due to the extreme variability of the mountain origin of the products to be tested. 展开更多
关键词 MOUNTAIN PRODUCTS LABEL Food technology Sustainable development DAIRY PRODUCTS MEAT PRODUCTS
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