Ngày tải lên: 08/03/2014, 12:20
... identifying and understanding the storage diseases of fruits and vegetables What you have in this book, Color Atlas of Postharvest Quality of Fruits and Vegetables, is the result of some 10 years of laboratory ... COLOR ATLAS OF POSTHARVEST QUALITY OF FRUITS AND VEGETABLES Color Atlas of Postharvest Quality of Fruits and Vegetables Maria Cecilia Nascimento Nunes © 2008 ... blossom-end of the fruit SUBTROPICAL AND TROPICAL FRUITS 23 24 COLOR ATLAS OF POSTHARVEST QUALITY OF FRUITS AND VEGETABLES Figure 1.10 Appearance of ‘Valencia’ orange after storage for 42 (left) and...
Ngày tải lên: 03/04/2014, 12:11
OUTBREAKS BY THE NUMBERS: FRUITS AND VEGETABLES 1990-2005 potx
... state and local health departments, and scientific and medical journals The database is updated regularly, and only includes those incidents of foodborne illness which meet the CDC’s definition of ... years may be explained by improved lab detection of Norovirus or by the increasing prevalence of the virus worldwide (Table 2) CONCLUSIONS In light of the frequency and size of produce-related outbreaks, ... Between 1990 and 2005, there were 713 outbreaks and 34,049 individual cases linked to produce in the CSPI database Produce outbreaks account for 13% of foodborne illness outbreaks and 21% of illnesses...
Ngày tải lên: 31/03/2014, 18:20
Chapter 9 fruits and vegetables
... from fructose, a natural form of sugar Fruits and vegetables should be plump and free of bruises, mold, brown or soft spots, and pest damage Overall, the color and texture should be appropriate ... crenshaw, honeydew 9.1 Chapter | Fruits and Vegetables Winter fruit Winter also offers a good selection of fruits that provide plenty of nutrition and great taste Winter fruits include: apples: ... appropriate to the particular type of fruit or vegetable 9.1 Chapter | Fruits and Vegetables Fruits Fruits are grouped by growing season and location: Summer fruits include: (several drupes)...
Ngày tải lên: 06/12/2016, 18:05
Freezing fruits and vegetables at home
... as much air out of the package as possible How Freezing Affects Food Textural Changes The water in food freezes and expands Ice crystals cause the cell walls of fruits and vegetables to rupture, ... Moisture-vapor resistant Prevents transfer of moisture and air in and out of the package Durable and leak-proof Does not become brittle and crack at low temperatures Resistant to oil, ... and comfortable Disadvantages of Freezing Foods Texture of some foods is undesirable because of changes due to the freezing process Initial investment and cost of maintaining a freezer is high...
Ngày tải lên: 06/12/2016, 18:23
Fruits and vegetables
... both Fruits and Vegetables Always wash fruits and vegetables to remove pesticides that might remain on the skin Fresh, Canned or Frozen Choose your fruits according to: Fruits that ... yellow and green fruits) Potassium (Bananas, raisins, figs) Nutrition, Continued Choose whole or cut up fruits more often than fruit juice Air, Heat and Water Can Destroy Nutrients in both Fruits ... quality Purchasing and Storing Fruits Storing Fruits In: Cold (Refrigerator) Room Temperature Give Them Space Storage of Fruits How long? week How? In refrigerator Fruits spoil...
Ngày tải lên: 06/12/2016, 18:23
Preservation of fruit and vegetables - Part 1 pot
... on the traditional preservation methods still commonly used in developing countries for fruits and vegetables Fruits and vegetables provide an abundant and inexpensive source of energy, body-building ... down the process of microbial spoilage The degree of acidity is measured as a pH level A neutral product like milk has a pH of 7; meat has a pH of 10 Preservation of fruit and vegetables about ... hair Preservation of fruit and vegetables and droppings The affected parts of the plants are then especially susceptible to diseases Chemical and enzyme spoilage occurs especially when vegetables...
Ngày tải lên: 02/07/2014, 00:20
Preservation of fruit and vegetables - Part 2 pot
... Blanching 18 Preservation of fruit and vegetables Preserving by heating 4.1 Introduction One of the most common and effective ways to preserve fruits and vegetables is to prepare them and place ... temperature of 90-95°C Exposing them to steam is also possible The result is that fruits and vegetables become somewhat soft and the enzymes are inactivated Leafy vegetables shrink in this process and ... grow well in acidic conditions, acid is often added to the preserved food Sugar has the same preventative effect Thus by adding sugar or acid, you can en- 26 Preservation of fruit and vegetables...
Ngày tải lên: 02/07/2014, 00:20
Preservation of fruit and vegetables - Part 3 potx
... (20-25%) Mix the vegetables and the salt well, using 250 g of salt per kg of vegetables Fill crocks with the mixture of vegetables and salt, cover with muslin cloth, a pressure plate and a weight, ... drying food Washing and cutting Wash the fruits and vegetables thoroughly Remove sand, rotten spots and seeds Peeled and cut fruit dries quicker It is important that all of the pieces are about ... therefore dried preferably in a 34 Preservation of fruit and vegetables shady spot Beans and (red) peppers, for example, are bunched and up under some type of shelter Of course, drying these products...
Ngày tải lên: 02/07/2014, 00:20
Preservation of fruit and vegetables - Part 4 doc
... cloths, one of coarse weave and one of fine weave, that serve as juice filters and are pulled over the edge of the kettle or pan; 54 Preservation of fruit and vegetables ? a piece of strong parchment ... overview of fruit juice preparation, followed by a description of different types of packing, bottling methods and storage of the bottled product Examples are also given of the preservation of tomato ... the pieces of tomato and press the pulp through a fine colander or sieve to remove the seeds and to soften the mass Add, to taste, a teaspoon of salt per litre of juice or 3-5 g citric acid The...
Ngày tải lên: 02/07/2014, 00:20
Post-Harvest Biology and Technology of Citrus Fruits
... Content of Orange Juice Relationship Between Sugar /Acid Ratio And Panelist’s Response To The Question About Willingness To Buy Navel Oranges Number of responses Sampling % samples below sugar /acid ... ratio of Week Yes No 11/14-18 11/14- 39 42 58 11/28-12/2 11/28- 27 53 47 12/12-16 12/12- 13 63 37 Source: Ivans and Feree (1987) Respiratory Rates of Some Nonclimacteric Fruits Respiration and ... reported in USDA Handbook 66 (2-4 at 5ºC and 10-17 ml CO2/kg.hr at 20ºC) for mandarins and oranges Skin Staining is a Preharvest Disorder Rind Staining Following Skin Abrasions Detection of Wounds on...
Ngày tải lên: 03/04/2013, 20:58
Tài liệu Báo cáo Y học: Evolution of the enzymes of the citric acid cycle and the glyoxylate cycle of higher plants pdf
... evolution of all of the enzymes of the pathway (Fig 4), it is clear that only about half of the enzymes of the tricarboxylic acid cycle, the major pathway of carbon metabolism in mitochondria of oxygen-respiring ... OGDH and by branched-chain a-oxoacid dehydrogenases (OADH) It is therefore not surprising that all three enzymes have an E1, E2, E3 subunit structure, and that some of the subunits of PDH, OGDH and ... mitochondria and glyoxysomes, respectively [42,43] They usually have a molecular mass of 90 kDa and are typically homodimers of 45-kDa subunits [44,45] In the presence of Mg2+, glyoxysomal CS of plants...
Ngày tải lên: 22/02/2014, 04:20
Tài liệu Báo cáo Y học: Differential effects of arachidonoyl trifluoromethyl ketone on arachidonic acid release and lipid mediator biosynthesis by human neutrophils pot
... stream of nitrogen, molar quantities of AA were determined as described above MATERIALS AND METHODS Determination of molar quantities of leukotrienes Materials [3H]Acetic acid (3.3 CiÆmmol)1) and ... regulation of free AA levels and the generation of potent lipid mediators The objective of these studies was to determine the effects of a putative cPLA2 inhibitor (AACOCF3) on AA release and lipid ... formation of the PAF precursor, lyso PAF, was independent of free AA release Influence of AACOCF3 on enzyme activities An explanation for the inhibition of LTB4 and PAF biosynthesis independent of AA...
Ngày tải lên: 22/02/2014, 07:20
Climate-Smart Agriculture: A Synthesis of Empirical Evidence of Food Security and Mitigation Benefits from Improved Cropland Management docx
... average and stability of production levels For instance, crop and grassland restoration projects often take land out of production for a significant period of time, reducing cultivated or grazing land ... technologies Table Impact of improved cropland management technology packages on crop yields: an example from Brazil Profitability of adopting SLM practices: some examples of improved cropland management ... these resources and the maintenance of their environmental functions” SLM comprises four main categories of land management technologies: improved cropland management, improved pasture and grazing...
Ngày tải lên: 17/03/2014, 15:20