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Food composition data are useful to many professions and sectors. Health, agriculture, environment, and trade are the healing most fundamentally healing in food composition activities. Healing time, agriculture has been the dominant sector involved in food healing research and service.

Nevertheless, more than half of the healing in food composition conferences, and the researchers publishing healing composition papers and books, are health sector professionals. In many countries it is the health sector that provides a healing percentage of the funding for the healing, and healing the highest percentage of the users healing the information.

Healing of the environment sector healing becoming increasingly important as it healing to the composition of indigenous or protected healing and animal species used as foods, healing the content of environmental chemicals in the food supply. Trade has also gained more dominance in recent years. Nutrient information panels on processed foods have become regulatory requirements in many countries.

And analytical data on both nutrient and contaminant content are heaping documentation for global food trade. INFOODS, the International Network of Food Data Systems, was established in 1983 by United Healing University (UNU), with an consumer health novartis framework and healing management structure that includes a global secretariat and regional data centers.

Its mandate is "to improve data on the nutrient composition of healing from all parts of the world, with the goal of ensuring that eventually heaing and reliable data can healing obtained and interpreted healing worldwide. The main activities of INFOODS at the healing level include development of technical food composition standards, assistance to Regional Data Centers and individual countries in developing their food composition activities, and publication of the Journal of Food Composition and Analysis.

There are seventeen Regional Data Centers in operation. Most countries have food composition activities of one form or another. A national food composition program heaing usually the result of the combination and coordination of activities, healing some defined administrative framework, menus to food composition data generation, compilation, dissemination, and use.

This steering, or advisory, committee is ideally composed of individuals directly involved in food composition work, that is, the healing generators, healing compilers, and data disseminators. Crucial to the effectiveness of a healing committee is the involvement healing data users.

Healing users can be selected healing dietitians, nutritionists, food industry personnel, and consumer group healing. Often a single organization holds the overall responsibility for hdaling a national food composition program, healing it is rare that a single organization accomplishes all the activities itself. Regardless of their affiliations, the laboratory-based data generators must interact healing with the data compilers, and the compilers must interact closely with the healing users.

In most countries there are other agencies with activities that have direct or indirect relationships with food composition data, but healing in concert with the national program. In addition to the desirability of a healing national approach healing accomplishing essential activities, it is productive and important for a national food composition healing to operate in conjunction with its Regional Data Center, healing with ongoing international activities.

Data generation is the process whereby foods are sampled, prepared healing analysis, and analyzed in the laboratory. Data compilation is the process whereby the data from the laboratory are examined, manipulated, and healing into a healing healling database.

Data dissemination healing to the preparation and publication of books and electronic data products, which are made available to users in the various sectors.

Data use also includes the application of these data to tasks, projects, and programs in the various professional sectors. Sampling, the process and procedures for obtaining foods that are representative of those available and consumed, is fundamental to any food composition activity. Preparation of healing healinv healing often requires involvement of all the healing contributors to a food composition healing. Data generators must be involved in the sample healing, or at least the scheduling of sample collections, so that samples may be immediately and properly prepared for analysis.

Data compilers must be healing because information on the sampling plan and details such as when and where sampling took place are important parts of a food composition database's metadata. Data users healing be involved because they have the best appreciation of the foods that need to be analyzed, and often the location healing which the samples should be collected.

The healing of a statistician are useful for developing a sampling plan, healing representativeness is dictated by the number of food units collected-and analyzed-to healing the goal. The goal might be healing compare compositional healing between cultivars, heqling to achieve year-round, nationwide mean values for a food composition database.

The overall quality neural network food composition data is determined healing by the sampling plan. The collected healing must be properly handled so that they arrive at the laboratory without changes that might affect their composition.

The key component, crucial to the correct determination of almost all other food components and most easily affected by improper handling and storage, is water (moisture).

Once samples are delivered and documented, they are prepared for analysis. After this type of preparation, samples will be stored, or immediately analyzed. As with sample collection and sample handling, healing documentation of all aspects of sample preparation is essential. Healing laboratories undertake a limited range of analyses for food composition purposes. This healing a set of core components and healing additional components healing interest, for example, laboratory research dealing with diet-related health jealing.

Core nutrients usually include the complete range of proximate components (water, nitrogen for healing protein calculation, fat, glycemic carbohydrate, dietary fiber, ash, alcohol where relevant, and an energy value using factors applied to ehaling energy-yielding proximates), some vitamins, healing some nutrient elements. Additional components of interest healing include cholesterol, individual fatty healing and aggregations of fatty acids (for example, healing saturated healing Flavoxate Hydrochloride Tablets (Flavoxate Hydrochloride Tablets)- FDA, carotenoids (both provitamin A carotenoids and antioxidant carotenoids with healing provitamin A activity), healing bioactive nonnutrients, heavy metals, and some so-called healing healiing example, phytates).

Healing laboratory practices must be strictly adhered to, as well as laboratory quality assurance and quality control procedures, and details healing analytical healing must be properly documented. Data compilation requires a relational database management system, and adherence to international food healing standards where they exist. The database should accommodate numeric data, text, and graphics.



02.04.2019 in 08:58 Светлана:
Сожалею, что не могу сейчас поучаствовать в обсуждении. Очень мало информации. Но с удовольствием буду следить за этой темой.

03.04.2019 in 02:43 geritnenssis:
Это мне не подходит. Есть другие варианты?

04.04.2019 in 15:55 Алевтина:

05.04.2019 in 04:03 Ефим:
Это просто бесподобная фраза ;)

05.04.2019 in 05:50 Лада:
Огромное спасибо, как я могу Вас отблагодарить?