Protein Quality Evaluation
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Protein Quality Evaluation
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 1991
Protein Quality Evaluation written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Health & Fitness categories.
Protein Quality In Humans
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Author : C. E. Bodwell
language : en
Publisher:
Release Date : 1981
Protein Quality In Humans written by C. E. Bodwell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Science categories.
Abstract: A critical assessment of currently used protein quality evaluation methods is given. The material includes: the importance of protein quality; methods used to assess the protein nutritive value (PNV) in humans; and in vitro methodology for assessing PNV. Guidelines are given for assessing the precision and accuracy in estimates of PNV in human studies; the acceptable degree of accuracy and precision in such estimates can then be defined. Task force reports that discuss the validity and potential use of in vitro assays for predicting protein quality for human consumption are given. (wz).
Nutritional Evaluation Of Protein Foods
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Author : Peter L. Pellett
language : en
Publisher:
Release Date : 1980
Nutritional Evaluation Of Protein Foods written by Peter L. Pellett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Alimentos categories.
Abstract: Advances in the techniques and methodologies for the evaluation of protein quality are presented for agricultural researchers. An overall view of the strengths and weaknesses of the various evaluation methods is provided along with in-depth descriptions of several new and established techniques. The discussions cover the protein requirements of humans and their relevance to protein quality evaluation, the analytical methods for determining the amino acids profiles of particular foods, chemical and microbiological assays of protein quality, use of animal experimentation and clinical methods, and choice of procedure. The specific methodologies described include the Kjeldahl procedure for total nitrogen determination, sulphur amino acid analysis by performic acid pre-oxidation, the four-enzyme in vitro assay for protein digestibility, and procedures for the determination of net protein utilization and relative protein value in rats.
Dietary Protein Quality Evaluation In Human Nutrition
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Author : [Anonymus AC10747383]
language : en
Publisher:
Release Date : 2013
Dietary Protein Quality Evaluation In Human Nutrition written by [Anonymus AC10747383] and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Low-protein diet categories.
Protein Quality Assessment In Follow Up Formula For Young Children And Ready To Use Therapeutic Foods
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2018-11-21
Protein Quality Assessment In Follow Up Formula For Young Children And Ready To Use Therapeutic Foods written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-21 with Medical categories.
Consistent with the need to provide safe food for young children, particularly during the complementary feeding period between 12 and 36 months and the period of rapid development to age 59 months, the Food and Agriculture Organization of the United Nations (FAO) convened an Expert Working Group the FAO Headquarters, Rome, Italy, from 6 to 9 November 2017. The meeting addressed questions related to protein quality evaluation in two distinct products used to feed children in different conditions: Ready to Use Therapeutic Food (RUTF) and Follow up Formula for Young Children (FUF-YC). Specific meeting objectives were: •To determine the appropriate comparative protein or amino acid reference pattern to define protein quality for use in FUF-YC and RUTF. •To provide guidance on the preferred protein quality assessment methodology that should be stipulated with the standards for FUF-YC and RUTF. •To provide guidance on the measurement of protein and amino acid digestibility. •To provide the appropriate reference amino acid profiles and the amino acid composition of common ingredients used for FUF-YC and RUTF. •To provide cost implications for countries to use PDCAAS in FUF-YC and RUTF. This report provides future research recommendations including the need to generate data on the true ileal digestibility for different protein sources so that Digestible Indispensable Amino Acid Score (DIAAS) values can be used in the future.
Dietary Protein Quality Evaluation In Human Nutrition
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Author :
language : en
Publisher:
Release Date : 2012
Dietary Protein Quality Evaluation In Human Nutrition written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Evaluation Of Dietary Protein Quality
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Author : Alejandro Uribe-Peralta
language : en
Publisher:
Release Date : 1978
Evaluation Of Dietary Protein Quality written by Alejandro Uribe-Peralta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Milk categories.
Abstract: The use of a target protein against which the quality of other dietary proteins could be compared has been examined in rats. Milk, the natural food during the early life of mammals, was proposed as the target standard. The milk standard diet was compared with proteins of different origins, amino acid pattern, or lacking an essential amino acid. A chemical score based on rat's milk (CSM-R) was developed to evaluate the quality of the protein diets; it combined determination of a protein's most limiting amino acid with a capacity for ranking proteins by nutritional values. Diets were evaluated for protein efficiency ration, body weight gain, levels of amino acids and protein complementation. Results indicated that rat milk contains a proportion of amino acids which provides maximum protein utilization in growing rats, and may also protect the lactating mother. Other diets were usually inferior. The CSM-R score appeared to be a useful analytic tool in evaluating the quality of dietary proteins.
Energy And Protein Metabolism And Nutrition
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Author : Mario Luiz Chizzotti
language : en
Publisher: Brill Wageningen Academic
Release Date : 2019
Energy And Protein Metabolism And Nutrition written by Mario Luiz Chizzotti and has been published by Brill Wageningen Academic this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Animal nutrition categories.
Variations in feeding frequency may lead to difference in utilization of dietary nutrients. The effects of feeding frequency have been tested in growing pigs and finishing pigs using respiratory quotient and postprandial kinetics of plasma metabolites. A reduced feeding frequency resulted in an increased lipogenesis and proteolysis shortly after the meal both in growing and finishing pigs. Nevertheless, growing and finishing pigs exhibit different metabolic pathways when feeding frequency is reduced.
Evaluation Of Protein Quality
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Author : National Research Council (U.S.). Committee on Protein Malnutrition
language : en
Publisher: National Academies
Release Date : 1963
Evaluation Of Protein Quality written by National Research Council (U.S.). Committee on Protein Malnutrition and has been published by National Academies this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Food categories.
Evaluation Of In Vitro Methodology To Determine Protein Digestibility And Quality Of Plant Based Proteins
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Author : Adam Franczyk
language : en
Publisher:
Release Date : 2018
Evaluation Of In Vitro Methodology To Determine Protein Digestibility And Quality Of Plant Based Proteins written by Adam Franczyk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Protein quality evaluations currently require that an animal bioassay be performed to determine true protein digestibility (TPD). This measure is used to calculate the protein digestibility corrected amino acid score (PDCAAS) prior to qualifying for a protein content claim. Several in vitro assays evaluating protein digestibility that currently reside in literature have not been used to assess protein quality, hence this thesis was undertaken to evaluate the pH-drop (PHD) and two-step digestion (TSD) method to determine PDCAAS in vitro on 65 plant-based proteins composed of different species, variety and heat treatment. Strong significant correlations were indicated by both in vitro protein quality calculations for the PHD (R = 0.91; P ≥ 0.0001) and the TSD (R = 0.92; P ≥ 0.0001) with the PDCAAS. This relationship suggests that either method to evaluate protein digestibility may be reliable to calculate PDCAAS in vitro, thus reducing the time, expense and ethical quandaries that currently apply to evaluating protein quality content claims.