螺旋藻天然饮料的研制

本文研究了螺旋藻饮料的配方和加工工艺,通过添加０．２％经超声波处理的螺旋藻,０．１％的琼脂粉,０．３％的β－环糊精,６－８％的白砂糖,０．２４％的柠蒙酸和０．１％的维生素Ｃ,制成了一种稳定,无腥味,口感,色泽俱佳的天然风味饮料。     

钝顶螺旋藻营养酸奶工艺的研究

通过在原料乳中添加３．０％的螺旋藻干粉和３．０％的大豆蛋白粉，经过嗜热链球菌和保加利亚乳杆菌双菌种发酵，制得了酸度为８６°Ｔ、蛋白质含量高于５．６％，而脂肪含量低于１．２％、含有多种微量元素和维生素的乳酸饮料。并通过采用二级均质处理和严格控制发酵程度，解决了螺旋藻干粉分散性差和颜色易黄变的问题。制得的产品呈淡黄绿色，在口感和风味方面有了一定的改善，产品的营养价值得到了较大提高，并且具有营养保健作用。     

磷酸盐在海产品加工中的应用

海产品在捕捞、运输、加工、贮存冷冻过程中的保鲜问题 各种鱼类、甲壳类、头足类、贝壳类等海产品,因其营养丰富、味道鲜美、营养平衡性好,是人类十分喜爱的天然食品。其肌肉组织成份如下： 水份７０％－８５％蛋白质１５％－２０％脂肪１％－１０％ 碳水化合物０．５％－１．０％灰份及矿物质１．０％－１．５％（钠、钙、磷、铜、铁、碘等） 海产品除了含有大量的自然水分外,其它的主要成份是营养成份,如蛋白质、脂肪。海产品可食用部分的蛋白质是完全蛋白质,脂肪大部分是高度不饱合脂肪酸,如二十碳五稀酸（ＥＰＡ）、二十二碳六稀…     

螺旋藻营养成分分析及其营养保健作用

作者测定了螺旋藻的营养成分，结果表明，螺旋藻含蛋白质５８．８２％，氨基酸总量５６．３５％，螺旋藻多糖１０．１２％，β－胡萝卜素３６１．２０ｍｇ／１００ｇ，ｒ－亚麻酸１．２％，维生素Ｅ７．１ｍｇ／１００ｇ，维生素Ｂ１２０．２２ｍｇ／１００ｇ，维生素Ｂ６０．４５ｍｇ／１００ｇ，铁５２．７ｍｇ／１００ｇ，锌４．１５ｍｇ／１００ｇ。并根据这些生物有效成分论述了螺旋藻的药用价值及保健功能，为螺旋藻成为未来新     

螺旋藻挂面的研制

通过添加螺旋藻粉,加工成天然绿色的螺旋藻面条。确定了最佳生产工艺和螺旋藻粉添加量,并较好地解决了绿色保持问题。     

啤酒酵母抽提制品的研究

啤酒压榨酵母是我厂啤酒生产中的主要副产品之一，营养丰富。通过洗涤、除去杂质。用正交试验选择酵母酶解抽提的最佳条件；控制ＰＨ６．０－７．０，温度５０－６０℃，盐１－１．２％，酶制剂０．５－１．０‰，自溶酶解８－１２小时，酵母氨基Ｎ抽出率增加一倍以上，达到先进的水平。酶解酵母抽出物，经离心后分别制成液膏状三种产品，液状产品含氨基，Ｎ１．５，膏状产品含氨基Ｎ２．５，粉状产品含蛋白质４０－５％，游离氨基酸     

玉米提取脂多糖的研究

采用监测ＫＤＯ（２－ｋｅｔｏ－３－ｄｅｏｘｙｏｃｔｏｎａｔｅ）的方法，对玉米提取脂多糖的工艺进行了优化；用２．５ｋｇ玉米提得到０．４３０ｇ，粗脂多糖，经测定含ＫＤＯ０．２５ｇ总糖含量８３．７％，核酸及蛋白质污染〈１２％。     

螺旋藻挂面的生产

通过添加螺旋藻粉，加工成天然绿色的螺旋藻面条。确定了最佳生产工艺和螺旋藻粉添加量，并较好地解决了绿色保持问题。     

鱼肉面条的研制

本文研究了以皮氏叫姑鱼，淀粉和面粉为主要原料，制作速冻鱼肉面条的工艺。鱼肉面条最佳配比为鱼肉６９．５８％，玉米淀粉１６．７８％，ＡＡ－２粉８．３９％，藻酸钠０．１％，小苏打０．０５％，味精１．０％，鸡蛋清４．０％，生姜粉０．１％，鱼肉面条中蛋白质占２５．３９％，脂肪０．２７％，盐分１．３１％，水分５５．０９％。     

保健食品螺旋藻与啤酒酿造

螺旋藻含有丰富的蛋白质、叶绿素、γ-亚麻酸、β-胡萝卜素和维生素，并富含锌、铁、钾、钙、镁、硒、碘、磷等微量元素及矿物质和人体必需的8种氨基酸。螺旋藻对人体生理和免疫具有重要的保健作用。在啤酒生产中，螺旋藻的加入方式有煮沸时添加、麦汁冷却过程加入、在清酒中加入。螺旋藻的添加量为：酵母啤酒的添加量为0．4％～0．5％；过滤啤酒的添加量为0．2％～0．3％。(孙悟)     

Reliable identification of grapevine rootstock varieties using RAPD PCR on woody samples

Since grapevine ( Vitis spp .) rootstock material is being traded increasingly as disbudded woody material a lack of distinctive morphological features on such material necessitates an alternative and reliable means of identification. Methods described here were developed for rapid and efficient extraction of DNA from woody samples rich in phenolic compounds and polysaccharides, and for subsequent identification of varieties by RAPD PCR. Using these methods, and with the application of only one selected RAPD primer, we were able to differentiate sixteen rootstock varieties, including the seven varieties most commonly used in Germany. Problems commonly encountered with reproducibility of RAPD patterns were avoided by choosing primers with a dinucleotide sequence and a high G/C content that allowed a rather high annealing temperature of 45°C. Methods described here should also be useful for other horticultural crops, especially those with woody tissues rich in phenolic compounds and polysaccharides.     

An internet compendium of analytical methods and spectroscopic information for monomers and additives used in food packaging plastics

An internet website (http://cpf.jrc.it/smt/) has been produced as a means of dissemination of methods of analysis and supporting spectroscopic information on monomers and additives used for food contact materials (principally packaging). The site which is aimed primarily at assisting food control laboratories in the European Union contains analytical information on monomers, starting substances and additives used in the manufacture of plastics materials. A searchable index is provided giving PM and CAS numbers for each of 255 substances. For each substance a data sheet gives regulatory information, chemical structures, physico-chemical information and background information on the use of the substance in particular plastics, and the food packaging applications. For monomers and starting substances (155 compounds) the infra-red and mass spectra are provided, and for additives (100 compounds); additionally proton NMR are available for about 50% of the entries. Where analytical methods have been developed for determining these substances as residual amounts in plastics or as trace amounts in food simulants these methods are also on the website. All information is provided in portable document file (PDF) format which means that high quality copies can be readily printed, using freely available Adobe Acrobat Reader software. The website will in future be maintained and up-dated by the European Commission's Joint Research Centre (JRC) as new substances are authorized for use by the European Commission (DG-ENTR formerly DGIII). Where analytical laboratories (food control or other) require reference substances these can be obtained free-ofcharge from a reference collection housed at the JRC and maintained in conjunction with this website compendium.     

Aroma characterization of various apricot varieties using headspace–solid phase microextraction combined with gas chromatography–mass spectrometry and gas chromatography–olfactometry

The characterization of the aromatic profile of several apricot cultivars with molecular tracers in order to obtain objective data concerning the aromatic quality of this fruit was undertaken using headspace–solid phase microextraction (HS–SPME). Six apricot cultivars were selected according to their organoleptic characteristics: Iranien, Orangered, Goldrich, Hargrand, Rouge du Roussillon and A4025. The aromatic intensity of these varieties measured by HS–SPME–Olfactometry were defined and classified according to the presence and the intensity of grassy, fruity and apricot like notes. In the six varieties, 23 common volatile compounds were identified by HS–SPME–GC–MS. Finally, 10 compounds, ethyl acetate, hexyl acetate, limonene, β-cyclocitral, γ-decalactone, 6-methyl-5-hepten-2-one, linalool, β-ionone, menthone and (E)-hexen-2-al were recognized by HS–SPME–GC–O as responsible of the aromatic notes involved in apricot aroma and considered as molecular tracers of apricot aromatic quality which could be utilized to discriminate apricot varieties.     

Tests of potential functional barriers for laminated multilayer food packages. Part I: Low molecular weight permeants

The advent of the functional barrier concept in food packaging has brought with it a requirement for fast tests of permeation through potential barrier materials. In such tests it would be convenient for both foodstuffs and materials below the functional barrier (sub-barrier materials) to be represented by standard simulants. By means of inverse gas chromatography, liquid paraffin spiked with appropriate permeants was considered as a potential simulant of sub-barrier materials based on polypropylene (PP) or similar polyolefins. Experiments were performed to characterize the kinetics of the permeation of low molecular weight model permeants (octene, toluene and isopropanol) from liquid paraffin, through a surrogate potential functional barrier (25 μm-thick oriented PP) into the food simulants olive oil and 3% (w/v) acetic acid. These permeation results were interpreted in terms of three permeation kinetic models regarding the solubility of a particular model permeant in the post-barrier medium (i.e. the food simulant). The results obtained justify the development and evaluation of liquid sub-barrier simulants that would allow flexible yet rigorous testing of new laminated multilayer packaging materials.     

Analysis of benzo[a]pyrene in spiked fatty foods by second derivative synchronous spectrofluorimetry after microwave-assisted treatment of samples

A simple, rapid and inexpensive method has been developed for the determination of benzo[a     

The development of reference materials for paralytic shellfish poisoning toxins in lyophilized mussel. II: Certification study

This paper describes the second part of a project undertaken to develop certified mussel reference materials for paralytic shellfish poisoning toxins. In the first part two interlaboratory studies were undertaken to investigate the performance of the analytical methodology for several PSP toxins, in particular saxitoxin and decarbamoyl-saxitoxin in lyophilized mussels, and to set criteria for the acceptance of results to be applied during the certification exercise. Fifteen laboratories participated in this certification study and were asked to measure saxitoxin and decarbamoyl-saxitoxin in rehydrated lyophilized mussel material and in a saxitoxin-enriched mussel material. The participants were allowed to use a method of their choice but with an extraction procedure to be strictly followed. The study included extra experiments to verify the detection limits for both saxitoxin and decarbamoyl-saxitoxin. Most participants (13 of 15) were able to meet all the criteria set for the certification study. Results for saxitoxin.2HCl yielded a certified mass fraction of <0.07 mg/kg in the rehydrated lyophilized mussels. Results obtained for decarbamoyl-saxitoxin.2HCl yielded a certified mass fraction of 1.59+/-0.20 mg/kg. The results for saxitoxin.2HCl in enriched blank mussel yielded a certified mass fraction of 0.48 +/- 0.06 mg/kg. These certified reference materials for paralytic shellfish poisoning toxins in lyophilized mussel material are the first available for laboratories to test their method for accuracy and performance.     

Announcing a new international peer-reviewed journal:Food Science and Human Wellness now accepting manuscript submission in English

<正>We are pleased to announce the launch of a new international peer-reviewed journal-Food Science and Human Wellness,ISSN 2213-4530,which is an open access journal,produced and hosted by Elsevier B.V.on behalf of Beijing Academy of Food Sciences.Food Science and Human Wellness is an international peer-reviewed English journal that provides a forum for the dissemination of the     

Chinese CTP Market

According to Printing and Printing Equipment Industries Association of China（PEIAC）＇s statistics to the plate manufucturer in China, in 2013, the actual offset plate production has reached 346 million square meters in China. Among them, the CTP production volume was 245 million square meters, up by 11% than that of last year; the total sales of the CTP plate was 239 million square meters, up by 13%.     

Preparatory Work of Print China 2015 is Going Smoothly

正Held at Guangdong Modern International Exhibition Center,Print China 2015 will cover 7exhibition halls,besides the original Hall No.3,4,5,6,7,the newly built F zone of Hall 3 will be used too.The total area will be140,000 square meters.Hall 3:Offset and large printing equipment,package printing equipment,post press