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  1. No Access

    Article

    Relationship between vitamin D status, body composition and physical exercise of adolescent girls in Bei**g

    Little is known about the prevalence of actual vitamin D deficiency in healthy school-aged adolescents, particularly in China. The aim of this study was to examine the prevalence of hypovitaminosis D and to id...

    L. H. Foo, Q. Zhang, K. Zhu, G. Ma, A. Trube, H. Greenfield… in Osteoporosis International (2009)

  2. No Access

    Article

    Low body weight and its association with bone health and pubertal maturation in Chinese girls

    Objective: To investigate the prevalence of low body weight in Bei**g pubertal girls and to establish the cut-off for body mass index (BMI) for underweight for Chinese pubertal girls.

    X Du, H Greenfield, D R Fraser, K Ge, W Zheng… in European Journal of Clinical Nutrition (2003)

  3. No Access

    Book

    Food Composition Data

    Production, Management and Use

    H. Greenfield, D. A. T. Southgate (1992)

  4. No Access

    Chapter

    Quality Considerations in the Compilation of a Food Composition Data Base

    This chapter describes the compilation of data bases, from the collection of data to their entry into the computerised (or published) data base. In most cases, this is the process in which the programme’s own ...

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  5. No Access

    Chapter

    Current Needs and Future Directions

    The principal objective of the INFOODS initiative, the development of an international network of food data systems, depended on the development and potential integration of local, national and regional collec...

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  6. No Access

    Chapter

    Introduction

    Information on the nutritional composition of foods is the essential basis for the quantitative study of human nutrition, its application in the treatment and management of disease and the provision of appropr...

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  7. No Access

    Chapter

    Initiation and Organisation of a Food Composition Data Base Programme

    The creation of a food composition data base calls, ideally, for an integrated approach to the generation, acquisition, processing, dissemination and use of food composition data. The organisational framework ...

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  8. No Access

    Chapter

    Selection of Nutrients and Other Components

    Although food composition data bases should aim to include all nutrients that are known or believed to be important in human nutrition, this ideal will not be attained in many parts of the world, especially wh...

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  9. No Access

    Chapter

    Conventions and Modes of Expression of Food Composition Data

    A wide range of modes of expression is required at the user data base level, determined by the specific uses of the data. For example, data may be needed expressed on the basis of portion sizes or domestic uni...

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  10. No Access

    Chapter

    Guidelines for the Use of Food Composition Data

    A food composition data base or table is a scientific tool and must be treated as such. Even the best food composition data base or table is of little value if it is used incorrectly. The compilers are respons...

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  11. No Access

    Chapter

    Food Composition Data and Food Composition Data Bases

    Early food composition studies were carried out to identify and determine the chemical nature of the principles in foods that affect human health. These studies, which were also concerned with the mechanisms w...

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  12. No Access

    Chapter

    The Selection of Foods

    While a comprehensive food composition data base should contain data for as many foods as possible, no national programme can cover all available foods. The prohibitively high cost of such a large programme di...

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  13. No Access

    Chapter

    Analytical Methods for the Production of Food Composition Data

    Reliable data on the nutrient composition of foods can only be obtained by the careful performance of appropriate, accurate analytical techniques in the hands of trained analysts.

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  14. No Access

    Chapter

    Sampling

    The proper sampling of foods is important in all studies of food composition and is of critical and fundamental importance in the production and management of food composition data base systems.

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  15. No Access

    Chapter

    Assuring the Quality of Analytical Data

    The current uses of food composition data depend on the reliability of these data yet achieving reliability and demonstrating that it has been achieved is by no means easy. Little of the extensive literature o...

    H. Greenfield, D. A. T. Southgate in Food Composition Data (1992)

  16. No Access

    Article

    Salting of food—a function of hole size and location of shakers

    The establishment of an association between hypertension and the level of sodium in the diet1–2 has focused interest in many countries on the amount of salt added to food, with estimates of intake in western coun...

    H. Greenfield, J. Maples, R. B. H. Wills in Nature (1983)