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The Effects of Dietary Protein on Postprandial Essential Amino Acids Bioavailability as a Substrate for Protein Anabolism in Young and Older Adults and on Cardiometabolic Health-Related Outcomes.

Record Type:	Electronic resources : Monograph/item
Title/Author:	The Effects of Dietary Protein on Postprandial Essential Amino Acids Bioavailability as a Substrate for Protein Anabolism in Young and Older Adults and on Cardiometabolic Health-Related Outcomes./
Author:	Connolly, Gavin.
Description:	1 online resource (239 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 85-01, Section: A.
Contained By:	Dissertations Abstracts International85-01A.
Subject:	Cardiovascular disease. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30540039click for full text (PQDT)
ISBN:	9798379874223

The Effects of Dietary Protein on Postprandial Essential Amino Acids Bioavailability as a Substrate for Protein Anabolism in Young and Older Adults and on Cardiometabolic Health-Related Outcomes.
Connolly, Gavin.

The Effects of Dietary Protein on Postprandial Essential Amino Acids Bioavailability as a Substrate for Protein Anabolism in Young and Older Adults and on Cardiometabolic Health-Related Outcomes. - 1 online resource (239 pages)

Source: Dissertations Abstracts International, Volume: 85-01, Section: A.

Thesis (Ph.D.)--Purdue University, 2023.

Includes bibliographical references

Diet is the number one leading modifiable cause of poor health globally, with poor diets accounting for 10.9 million (22%) of all deaths among adults in 2017. In addition, one of our generation's forthcoming challenges is the rapid expansion of the population aged 60 years and older. Although people are living longer, there is an associated increase in the prevalence of agedrelated chronic diseases and functional impairment, such as cardiometabolic diseases and sarcopenia. As such, dietary components can play a role in positively or negatively influencing the prevention and treatment of chronic cardiometabolic diseases and sarcopenia. One such dietary component is dietary protein, which is essential throughout the life course, from gestation through old age. Evidence supports dietary protein playing an important role in reducing the risk of developing age-related chronic diseases such as sarcopenia and cardiometabolic diseases.Study 1, Chapter 2:The Dietary Guidelines for Americans (DGA) recommends consuming a variety of "Protein Foods" based on "ounce equivalent" (oz-eq) portions. In addition, the 2020-2030 Strategic Plan for NIH Nutrition Research includes to "define the role of nutrition across the lifespan" with an objective to "assess the role of nutrition in older adults to promote healthy aging." However, there is a paucity of primary research that directly compares EAAs bioavailability between young and older adults consuming the same oz-eq portions of varied Protein Foods. No study has assessed the same oz-eq portions of animal- versus plant-based Protein Foods on essential amino acids (EAAs) bioavailability for protein anabolism in young and older adults.Therefore, we conducted two sequential randomized, investigator-blinded, crossover, acute feeding trials with the same study design; first in a cohort of young adults and second in a cohort of older adults. The primary objective of this project was to assess the effect of consuming two ozeq portions of animal-based (unprocessed lean pork or whole eggs) vs. plant-based (black beans or sliced almonds) Protein Foods as part of a mixed whole foods meal on plasma EAAs bioavailability for protein anabolism. Consistent with our hypotheses, participant age did not affect postprandial EAAs bioavailability, and consuming a meal with two oz-eq of unprocessed lean pork or whole eggs resulted in greater postprandial EAAs bioavailability compared to a meal with two oz-eq of black beans or raw sliced almonds in 1) young adults; 2) older adults; and 3) young and older adults combined. These findings show on the same oz-eq basis, consuming these animal- vs. plant-based Protein Foods more effectively provide bioavailable EAAs for protein anabolism.Study 2, Chapter 3:Poultry meat is the most consumed type of meat worldwide and in the US. Poultry is generally considered to be a "healthy" meat as it is a high-quality protein source and provides other essential nutrients. However, research assessing poultry and its effects on and relations with chronic diseases in humans is sparse, and the forms of poultry typically consumed in the US, are not necessarily in line with recommendations provided by the DGA. Therefore, we conducted a scoping review to systematically search and chronicle scientific literature pertinent to poultry intake and human health.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798379874223Subjects--Topical Terms:

3564561
Cardiovascular disease.
Index Terms--Genre/Form:

542853
Electronic books.

The Effects of Dietary Protein on Postprandial Essential Amino Acids Bioavailability as a Substrate for Protein Anabolism in Young and Older Adults and on Cardiometabolic Health-Related Outcomes.
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