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Related Concept Videos

Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
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Absorption of Nutrients01:19

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Absorption refers to taking dietary nutrients from the intestinal lumen for transportation throughout the body. After digestion in the small intestine, carbohydrates, proteins, and fats are broken down into simpler forms. These essential macronutrients and other vital substances, such as vitamins, minerals, and water, are then prepared for absorption into the bloodstream.
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Protein Networks02:26

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Protein Networks02:26

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An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
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Proteins: Dietary Sources and Requirements01:28

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Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
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Updated: Apr 6, 2026

Quantifying Plant Soluble Protein and Digestible Carbohydrate Content, Using Corn Zea mays As an Exemplar
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Protein: A nutrient in focus.

Emily Arentson-Lantz1, Stephanie Clairmont2, Douglas Paddon-Jones1,3

  • 1a Division of Rehabilitation Science, University of Texas Medical Branch, Galveston, TX 77555-0144, USA.

Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquee, Nutrition Et Metabolisme
|July 23, 2015
PubMed
Summary
This summary is machine-generated.

Increasing dietary protein intake moderately may optimize muscle health and support weight management, especially for aging populations. Higher protein intake supports lean body mass and overall health when combined with physical activity.

Keywords:
IAAOOAAIagingdistribution de l’apportgestion du poidsintake distributionproteinprotéinesrecommandationsrequirementsarcopeniasarcopéniesatietysatiétévieillissementweight management

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Area of Science:

  • Nutrition Science
  • Metabolic Health
  • Aging Research

Background:

  • Protein is crucial for health, impacting thermogenesis, satiety, and lean body mass preservation.
  • Current dietary protein recommendations may be insufficient for optimal muscle health across all demographics.
  • Emerging research suggests benefits from moderately higher protein intake.

Purpose of the Study:

  • To evaluate the sufficiency of current dietary protein recommendations.
  • To explore the benefits of increased protein intake for muscle health and weight management.
  • To assess the role of protein distribution across meals for muscle protein synthesis.

Main Methods:

  • Review of existing literature, including stable isotope studies and long-term dietary interventions.
  • Analysis of expert opinions and working group recommendations.
  • Examination of protein's role in metabolic processes and body composition.

Main Results:

  • Evidence suggests current protein recommendations may not be adequate for optimal muscle health.
  • Moderately higher protein intake is endorsed by experts and may benefit aging populations.
  • Distributing high-quality protein intake across meals may enhance 24-hour muscle protein synthesis and aid weight management.

Conclusions:

  • Dietary protein is a key nutrient for numerous health outcomes.
  • Optimizing protein intake, particularly for aging individuals and those managing weight, is recommended.
  • Further long-term randomized controlled studies are needed to confirm these benefits.