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1.
五株酿酒醇母发酵特性比较   总被引:3,自引:1,他引:2  
通过对安琪牌葡萄活性干酵母及菌株B、C、D的基本性能测试,得出安琪牌葡萄酒活性干酵母不仅应用方便,而且其耐低温、高酒精、高糖含量、高酸度的特性,使其应用更广泛。  相似文献   

2.
在首届全国酒用活性干酵母应用技术交流会上的讲话:白酒生产的工艺改革及安全度夏邹海晏天津轻工业学院(300222)关于活性干酵母在酿酒工业中的应用,国内始于天津轻工业学院。他们自1985年开始研制活性干酵母,1987年研制成葡萄酒ADY。1988年与广...  相似文献   

3.
以2株葡萄酒酵母1450(Saccharomyces cerevisiae)和Am_(-1)(saccharomyces bayanus)为试验菌株,进行了活性干酵母的培养和干燥等工艺条件的研究。对活性干酵母在酿酒中的应用技术也进行了研究。试验结果表明,活性干酵母的制备工艺是可行的。活性干酵母1450和Am_(-1)适用于酿制干型葡萄酒和其它果酒。与野生酵母的自然发酵结果相比,干酵母发酵平稳彻底,发酵时间较短,发酵结束时,干酵母的沉淀较好,原酒含残糖量和挥发酸量低,酿制的酒质量和风味较好。  相似文献   

4.
一、论文范围本次交流会论文范围为安玻牌系列酿酒酵母在各类酿酒生产中的应用技术。其中,安演牌系列酿酒酵母包括耐高温型酿酒高活性干酵母、常温型酿酒高活性干酵母、生香活性干酵母、葡萄酒活性干酵母、黄酒活性干酵母和耐高温型酿酒高活性鲜酵母;所涉及的酒种包括酒精、各种白酒、黄酒和果酒等。目前,安棋酿酒活性干酵母的应用技术已相当普及。为了促进该技术的进一步完善与深化,提高我国酿酒生产的技术水平,本次论文交流的重点是安政酿酒酵母应用技术的新工艺、新领域和新理论,交流的主要内容如下:I.安淇酿酒活性干酵母的应用…  相似文献   

5.
安琪葡萄酒干酵母在生产中的应用秦汝田王永德王月君河北昌黎中化河北地王集团公司(066600)在葡萄酒的生产中使用安琪葡萄酒干酵母,并使之与人工培养酵母和进口干酵母进行了比较。结果表明,①宜昌干酵母比人工酵母发酵能力及对环境适应能力强,与进口酵母相仿。...  相似文献   

6.
几种进口葡萄酒活性干酵母发酵性能比较   总被引:4,自引:2,他引:4  
苏畅  肖冬光  许葵 《酿酒科技》2004,(1):31-32,30
对几种进口葡萄酒活性干酵母产品质量和发酵性能的测定。得出细胞数、活细胞率、水分含量、以及耐高糖、耐二氧化硫、耐二氧化碳性能上存在较大差异。但都具有较好的耐高糖和耐SO2特性,最终发酵液残糖都在4以以下,都适合于葡萄酒的酿造。综合比较,Zymaflore F15为优良葡萄酒活性干酵母产品。  相似文献   

7.
本文研究了葡萄酒活性干酵母1450(S.cerevisiae)和A_m_l(S.bayanus)的形态,培养特征和生理特征,以及酒精对酵母细胞存活力、细胞生长速率和干酵母发酵的影响,也研究了葡萄汁中SO_2浓度对干酵母发酵过程的影响,以及发酵温度对酒成分和风味的影响。分析结果表明,二种活性干酵母耐低温(15~20℃)、耐SO_2(80~120mg/L)、耐酒精(12%,V/V)。1450和A_m_i酵母细胞对干燥过程有较强的忍耐性。用二种活性干酵母酿制的葡萄酒,质量明显优于自然发酵的酒。  相似文献   

8.
安琪牌葡萄酒活性干酵母在枸杞酒酿造中的应用   总被引:2,自引:0,他引:2  
对安琪葡萄酒活性干酵母在枸杞汁中的发酵条件进行了研究,表明50~100ppm的SO2使用量,0.2%~0.4%的接种量,发酵的酒质较好,并采用分次加糖,降低渗透压的方法进行发酵,对提高酒质,缩短发酵周期有利。采用安琪牌葡萄酒活性干酵母酿制干型的枸杞酒,具有典型的枸杞果香和发酵产生的酒香,同时对控制发酵过程,稳定酒质有很大的好处。  相似文献   

9.
对3种葡萄酒活性干酵母LALVIN RA17(丹麦)、LALVIN 2323(丹麦)和MAVRIVIN AWRI 796(澳大利亚)的酿酒特性进行了比较研究。试验结果表明,葡萄酒活性干酵母LALVIN RA17发酵糖和产酒精能力较强,MAVRIVIN AWRI 796发酵后总酸和挥发酸低。  相似文献   

10.
浅谈山葡萄酒生产的几个问题   总被引:1,自引:0,他引:1  
山葡萄酒在生产中存在着原料不足,小厂菌种不易保存,果实中含糖低,含酸和单宁高,酒的苦涩味重的问题。解决的途径是开辟山葡萄酒原料基地,应用活性干酵母,对山葡萄浆进行改良,采用三段发酵工艺,采取措施减轻酒的苦涩味。  相似文献   

11.
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.  相似文献   

12.
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.  相似文献   

13.
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.  相似文献   

14.
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.  相似文献   

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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.  相似文献   

18.
<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  相似文献   

19.
《印刷工业》2014,(11):95-95
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%.  相似文献   

20.
《印刷工业》2014,(8):103-103
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  相似文献   

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