Xem 1-20 trên 162 kết quả Produced food
  • Food analysis is the discipline dealing with the development, application and study of analytical procedures for characterizing the properties of foods and their constituents. These analytical procedures are used to provide information about a wide variety of different characteristics of foods, including their composition, structure, physicochemical properties and sensory attributes.

    doc114p timhoaca 20-06-2010 171 122   Download

  • Centuries ago, man discovered that removing moisture from food helps to preserve it and that the easiest way to dot his is to expose the food to sun and wind. In this way, the North American Indians produce pemmican (dried meat ground into powder and make into cakes), the Scandinavians make stockfish and the Arabs dried dates and “apricot leather”.

    doc4p giangnam45 19-03-2010 107 47   Download

  • Organic farming is a modern way of agriculture management, not using any chemical treatments which have negative effects on the environment, human health or animal health. It produces organic foodstuffs, and at the same time enhances the living conditions of animals. It contributes to environmental protection and helps biodiversity to increase. Organic farming does not mean going ‘back’ to traditional (old) methods of farming. Many of the farming methods used in the past are still useful today.

    pdf198p namde02 12-03-2013 51 29   Download

  • The first edition of 1884 contained but 5 pages of type; the second of 1898, 14 pages. Only by conciseness has it been possible to give even a summary of the principles of dietetics within the limit or this pamphlet. Should there appear in places an abruptness or incompleteness of treatment, these limitations must be my excuse. Those who wish to thoroughly study the science of food are referred to the standard work, "Food and Dietetics," by Dr. R. Hutchison (E. Arnold, 16s.). The effects of purin bodies in producing illness has been patiently and thoroughly worked out by Dr. Alexander Haig.

    pdf46p hotmoingay9 02-02-2013 34 12   Download

  • Pathogenic Mechanisms Enteric pathogens have developed a variety of tactics to overcome host defenses. Understanding the virulence factors employed by these organisms is important in the diagnosis and treatment of clinical disease. Inoculum Size The number of microorganisms that must be ingested to cause disease varies considerably from species to species. For Shigella, enterohemorrhagic Escherichia coli, Giardia lamblia, or Entamoeba, as few as 10–100 bacteria or cysts can produce infection, while 105–108Vibrio cholerae organisms must be ingested orally to cause disease.

    pdf5p thanhongan 07-12-2010 44 4   Download

  • B. cereus can produce either a syndrome with a short incubation period— the emetic form, mediated by a staphylococcal type of enterotoxin—or one with a longer incubation period (8–16 h)—the diarrheal form, caused by an enterotoxin resembling E. coli LT, in which diarrhea and abdominal cramps are characteristic but vomiting is uncommon. The emetic form of B. cereus food poisoning is associated with contaminated fried rice; the organism is common in uncooked rice, and its heat-resistant spores survive boiling.

    pdf6p thanhongan 07-12-2010 35 4   Download

  • After some further kilometres, sodium begins to increase by ion exchange at the expense of calcium, producing a natural softening of the water. Eventually, the available calcium in the water is exhausted, but sodium continues to increase to a level greater than could be achieved purely by cation exchange. As chloride also begins to increase, this marks the point at which recharging water moving slowly down through the aquifer mixes with much older saline water present in the sediments (Figure 4.1).

    pdf32p cao_can 29-12-2012 18 3   Download

  • In this chapter, we will address the following questions: How might biotechnology influence food production? Do you think that biotechnology will help or hurt humans in the long run? Why? What are the advantages and disadvantages of pesticide use in farming? Do you think that some contamination of food products or drinking water with pesticides residues is an acceptable price to pay for attractive, affordable, and abundant produce? Why?

    ppt13p tangtuy07 02-04-2016 4 1   Download

  • These last individuals have generally gone beyond the use of acidified chemical nutrients and toxic sprays, yet their means of producing food are often dependent on extracting fertility from one piece of land in order to enrich another, i.e. “robbing Peter to pay Paul.” Meanwhile the overall fertility of the Earth continues to decline.

    pdf269p contentnew 26-04-2012 230 109   Download

  • Eating habits in the western world today bear little resemblance to those of our grandparents and those who lived in the earlier part of the twentieth century. The science and technology of food production, processing and distribution has developed dramatically. With the aid of more rapid transport, by land, sea and air, an almost limitless range of food, in greater quantities than ever, from all over the world, is available from retail outlets for home preparation or ‘eating out’ at restaurants, fast food establishments and other food service premises.

    pdf248p augi20 24-04-2012 73 29   Download

  • Food safety is of great importance to consumers. To ensure the safety of the food supply and to facilitate international trade, government agencies and international bodies establish standards, guidelines, and regulations that food producers and trade partners need to meet, respect, and follow. A primary goal of national and international regulatory frameworks for the use of veterinary drugs, including antimicrobials, in food-producing animals is to ensure that authorized products are used in a manner that will not lead to non-compliance residues.

    pdf366p hoangnh76 16-07-2013 74 18   Download

  • The advance of chemicals in industry during the XX century gave rise to a number of highly aggressive compounds to human beings, and that altered the ecosystems balancing. Human population is inevitably exposed to environmental pollution through air-degraded products, water, the soil and food and their introduction into the food chain (Gomez et al, 2011). The use of pesticides has been recognized and accepted as an essential ingredient in the modern agriculture for the control of pests, which damage crops and as a result, they produce a severe loss in food production.

    pdf146p conquynho32 18-09-2012 33 17   Download

  • The new century has begun with some of the lowest grain prices in recent memory. From an economist’s vantage point, this is a sure sign of excess production capacity. However, there may be more here than meets the economist’s eye. Natural scientists, many of whom have contributed to this volume, see something very different. They see reason to be concerned about such issues as the overplowing of land and the overpumping of aquifers. They look at sustainable production and see a worrisome fraction of world food output being produced with the unsustainable use of land and water....

    pdf439p crazy_sms 10-05-2012 32 14   Download

  • Said systems are complex, producing awhole that cannot be understood by only analyzing the individual parts. They must be dealt with as a system that is characterized by all the essential properties of any social system Yolles (2006). For this reason, the following properties must be taken into consideration when modeling organizational systems.

    pdf228p samsungwifi 09-04-2012 46 13   Download

  • an Díaz de Solís colonizes Río de la Plata in 1516, ‘River of Silver’ and Pedro de Mendoza founds Buenos Aires in 1534. But Solís and de Mendoza unable to enslave and put to work the hunter gatherer Indians of the area, Charrúas and the Querandí. Starving Spaniards soon left the area. In 1537, Juan de Ayolas found the sedentary and more densely settled Guaraní up the Paraná river, in Paraguay. The Spaniards could successfully take over the Guaraní hierarchy, enslave them and put them to work to produce food for them.

    pdf49p tuanaundk 16-12-2012 40 13   Download

  • The milk production system in Pakistan is characterized by large numbers of small, geographically dispersed dairy producers who have marketable surpluses of milk but face diseconomies of scale in marketing it to demand centers in distant urban areas. The traditional middlemen who procure milk from rural areas close to the cities offer at best modest returns to the farmers. In the past couple of decades, two institutional developments have taken place in the milk processing sector.

    pdf368p conduongdinhmenh 07-05-2013 41 12   Download

  • NGỘ ĐỘC THỨC ĂN (FOOD POISONING) Phần 1 1/ KỂ NHỮNG NGUYÊN NHÂN CỦA NGỘ ĐỘC THỨC ĂN - Ngoại độc tố được sản xuất bởi vi sinh vật - Các vi sinh vật ( vi khuẩn, nấm, virus, ký sinh trùng) (được xếp loại thành xâm nhập ( invasive ), không xâm nhập ( noninvasive ) hoặc sinh độc tố ( toxin-producing) - Các chất hiện diện trong thức ăn một cách tự nhiên ( amatoxin (nấm), dinoflagellates hay thallophytes) 2/ MỨC ĐỘ LƯU HÀNH CỦA NGỘ ĐỘC THỨC ĂN? CÓ GÂY CHẾT NGƯỜI KHÔNG? Từ n...

    pdf12p sinhtobo111 13-04-2011 30 9   Download

  • WWF-Norway has, during the writing of this report, received great interest both from industry, governments and other NGOs. WWF hopes that addressing this issue will contribute in the long quest for protecting the biodiversity in our oceans. The report looks into the raw materials used for feed in aquaculture, specifically of salmon and trout. It examines the sustainability of the fisheries which are exploited to produce the feed, the added pressure the fish farming industry puts on those stocks, the efficiency of feeding fish to carnivorous fish, and some of the alternatives....

    pdf53p lulanphuong 20-03-2012 37 8   Download

  • Penicillium expansum is a post-harvest pathogen of apples which can produce the hazardous mycotoxin patulin. The yeast Cryptococcus laurentii (LS28) is a biocontrol agent able to colonize highly oxidative environments such as wounds in apples. In this study culture filtrates of the basidiomycete Lentinula edodes (LF23) were used to enhance the biocontrol activity of LS28. In vitro L. edodes culture filtrates improved the growth of C. laurentii and the activity of its catalase, superoxide dismutase and glutathione peroxidase, which play a key role in oxidant scavenging.

    pdf7p the_eye_1991 18-09-2012 34 7   Download

  • Legumes are important for the diet of a significant part of the world's population; they are a good source of protein, carbohydrates, minerals and vitamins. The'importance of soybean'lies in the overall agriculture and trade and in its contribution to food supply. Soybean contains the highest protein content and has no cholesterol in comparison with conventional legume and animal food sources.

    pdf288p phoebe75 19-02-2013 24 7   Download

Đồng bộ tài khoản