... reduction in numbers of pathogens in the Þnished prod- ucts. 12,14 This chapter reviews the microbiology of fruit juice and beverages in the contexts of spoilage and safety of fruit juice and ... MICROBIAL SPOILAGE OF FRUIT AND FRUIT JUICE AND BEVERAGES B ACTERIA The most commonly encountered spoilage bacteria in fruit juices and soft drinks include species of Acetobacter, Alicyclobacillus, ... production in fruit juice is a global problem. Patulin produc- tion in fruit juice has been reported in several countries: 65% of 113 samples of apple juice in Australia, 50 44% of 215 samples of apple...
Ngày tải lên: 25/10/2013, 21:20
Ngày tải lên: 12/06/2014, 11:27
Alternative Processing Technologies for the Control of Spoilage Bacteria in Fruit Juices and Beverages
... 6,7 CONTROL OF MICROBIAL CONTAMINATION Microbial contamination of fruit can occur at all stages of growth, harvesting, storage, and processing. The surfaces of fresh fruits are often contaminated with ... Control of microbial contami- nation of fruit and fruit juice involves care at all stages of production, including preharvest practices of planting, growing of fruit, harvesting, post- harvest handling, ... involves the use of mer- cury lamps, which generate 90% of their energy at a wavelength of 253.7 nanometers. Exposure of bacteria to UV results in cross-linking of the thymine dimers of the DNA in...
Ngày tải lên: 25/10/2013, 21:20
THÀNH PHẦN hợp CHẤT AXÍT béo và CAROTENOID của gấc fatty acid and carotenoid composition of gac (momordica cochinchinensisspreng) fruit
... the fruit are capable of forming concentrations that are more than 76 times the concentration found in commercial tomato fruit. The concentration of total lycopene in the ripest of the three fruit ... tomatoes (4, 5), which is the major source of lycopene in the Western diet. Lycopene, of course, is of interest, because of the correlation of reduced risk of certain cancers, such as prostate (6-8) ... hydrogenation of liquid oils to obtain a solid fat. Carotenoid Profile. For carotenoid analyses, we chose three of the ripest gac fruit that we could find. A typical chromatogram of carotenoids...
Ngày tải lên: 09/02/2014, 00:08
Báo cáo " Anti-obesity and body weight reducing effect of Docynia indica (Wall.) Decne fruit extract fractions in experimentally obese mice " doc
... show that the effect of daily repeated oral administration of Docynia indica (W.) Decne fruit extracts was prove clearly on decrease of body weight fig. 5. The body weight of all the obese mice ... Dragendroff ++ + + +++ (+) positive level The results listed in the Table 1 show that the compositions of natural products from Docynia indica (W.) Decne fruit extract fractions consist of phenolic, ... al. / VNU Journal of Science, Natural Sciences and Technology 27 (2011) 125-133 127 Fig.1. Process of isolation of natural products from Docynia indica (W.) Decne fruit. After the...
Ngày tải lên: 05/03/2014, 11:21
Manning Early Access Program Secrets of the JavaScript Ninja version 10 ppt
... animations. And an advanced of how regular expressions work allows us to simplify what would otherwise be quite complicated pieces of code. As another high point of our advanced tour of the JavaScript ... large percentage of script developers don’t test at all Another insight from the results is that the vast majority of scrupt authors that do write tests use one of four tools, all of which were ... our skills to tie these concepts and features together gives us a level of understanding that puts the creation of any type of JavaScript application within our reach, and gives us a solid base...
Ngày tải lên: 14/03/2014, 09:20
Secrets of the JavaScript Ninja pdf
... regardless of size. The make up of a JavaScript library can be broken down into three aspects: advanced use of the JavaScript language, meticulous construction of cross-browser code, and a series of ... there are many failures as not all of the items are in scope at every position where we placed the block of tests. Of particular note, see how the declaration of inner() is available through ... of dealing with its challenges, is one that we’ll explore in great depth in chapter 8. A vastly simplified overview of this process is shown in figure 3.2. Figure 3.2 A simplified view of...
Ngày tải lên: 22/03/2014, 16:20
Báo cáo khoa học: Predicting the substrate specificity of a glycosyltransferase implicated in the production of phenolic volatiles in tomato fruit pptx
... perceptions of tomato aroma [1,2]. The expression of SlUGT5 mRNA during fruit development and ripening is consistent with the SlUGT5 enzyme having a role in the accumulation of glycosides of these compounds ... mass of 54.1 kDa and a pI of 5.63. The sequence contained the PSPG consensus sequence of 44 amino acids found in all plant UGTs (Fig. S3). A phylogenetic comparison using SlUGT5 and members of ... lines. The mRNA accumulation profile of SlUGT5 in a range of tomato vegetative and fruit tissues was exam- ined by quantitative PCR (Fig. 2). Low transcript lev- els of SlUGT5 were measured in stem,...
Ngày tải lên: 28/03/2014, 23:20
principles and practices of small and medium scale fruit juiece processing pptx
Ngày tải lên: 31/03/2014, 12:20
secrets of the javascript ninja
... downloaded code into a folder of your choice and make that folder the document root of the application. With a few exceptions, most of the examples don’t require the presence of a web server at all ... this style of testing, we’ll need a couple of simple test files from which to build up tests, and a way to generate these new tests with a clean copy of our code. Let’s look at an example of constructive ... will come back after a nondeterministic amount of time has passed; common examples of this situation are Ajax requests and animations. Often the handling of this issue is over-engineered and made...
Ngày tải lên: 05/05/2014, 12:32