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Proteins: Dietary Sources and Requirements01:28

Proteins: Dietary Sources and Requirements

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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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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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Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather patterns and therefore human civilizations.
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Quantifying Plant Soluble Protein and Digestible Carbohydrate Content, Using Corn Zea mays As an Exemplar
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The Complementary Roles for Plant-Source and Animal-Source Foods in Sustainable Healthy Diets.

Kevin B Comerford1,2, Gregory D Miller3, Wendy Reinhardt Kapsak4

  • 1OMNI Nutrition Science, Davis, CA 95618, USA.

Nutrients
|October 23, 2021
PubMed
Summary
This summary is machine-generated.

Globally, food-based dietary guidelines emphasize balanced intake. Sustainable diets require considering plant and animal foods, as their roles are complementary and context-dependent, not solely based on origin.

Keywords:
animal-source foodsdairyfood groupsfood-based dietary guidelinesfruitsplant-basedplant-source foodssustainabilityvegetables

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Area of Science:

  • Nutrition Science
  • Sustainable Food Systems
  • Dietary Guidelines

Background:

  • Over 100 countries have food-based dietary guidelines (FBDGs) tailored to cultural, geographic, and health needs.
  • FBDGs commonly promote balanced intake from both plant- and animal-source foods.
  • Sustainability is increasingly integrated into dietary guidance, often focusing on plant-forward approaches.

Purpose of the Study:

  • To review the roles of plant- and animal-source foods in healthy, sustainable diets.
  • To analyze contributions of key food groups (fruits, vegetables, dairy) within global FBDGs.
  • To explore if food source alone is sufficient for assessing diet sustainability.

Main Methods:

  • Narrative review of existing literature and global food-based dietary guidelines.
  • Analysis focused on common recommendations for fruits, vegetables, and dairy.
  • Examination of sustainability considerations beyond simple plant vs. animal categorization.

Main Results:

  • Plant and animal agriculture play complementary roles in food systems.
  • Dietary sustainability is influenced by context, including geography, production, processing, and consumption.
  • Relying solely on food source (plant vs. animal) may oversimplify sustainable diet assessment.

Conclusions:

  • Healthy and sustainable food systems benefit from both plant and animal agriculture.
  • Contextual factors are crucial for determining the sustainability of food choices.
  • Dietary recommendations should consider a nuanced approach beyond just food source.