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Related Concept Videos

Dietary Connections01:23

Dietary Connections

In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used as energy sources to produce...
Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

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 atmosphere, the...
Regulation of Food Intake01:30

Regulation of Food Intake

Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
Absorption of Nutrients01:19

Absorption of Nutrients

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.
Enterocytes, which are specialized polar epithelial cells, line the mucosa of the small intestinal walls. These cells...
Microbial Nutrition01:28

Microbial Nutrition

Organisms exhibit remarkable metabolic diversity, categorized based on how they acquire energy and carbon. These strategies enable survival in various ecological niches and are essential for maintaining energy flow and nutrient cycling within ecosystems.Energy and Carbon SourcesOrganisms are classified as phototrophs or chemotrophs based on energy acquisition. Phototrophs use light as their energy source, while chemotrophs rely on oxidizing chemical compounds. Further differentiation arises...

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Related Experiment Video

Updated: Jun 8, 2026

A Model of Chronic Nutrient Infusion in the Rat
08:18

A Model of Chronic Nutrient Infusion in the Rat

Published on: August 14, 2013

[Scheme of the "Nutrition Campus" pilot program].

Titi Yang1, Qian Zhang1, Qian Gan1

  • 1National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China.

Wei Sheng Yan Jiu = Journal of Hygiene Research
|June 16, 2018
PubMed
Summary

The Nutrition Campus pilot program uses comprehensive strategies to improve child nutrition in schools. It aims to create a generalizable model for promoting student health across diverse regions.

Keywords:
campusmalnutritionnutrition educationphysical activity promotionprimary and secondary students

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Area of Science:

  • Public Health Nutrition
  • Pediatric Health Promotion
  • School-Based Interventions

Background:

  • Based on findings from the "Nutritional status and intervention strategy study for urban primary and secondary students."
  • Pilot program initiated with the "Campus nutrition education strategy study in urban primary and secondary students" in Shunyi, Beijing.

Purpose of the Study:

  • To prevent and control all forms of child malnutrition.
  • To explore an effective, generalizable, and referenceable model for promoting child nutrition and health in schools.
  • To establish a supportive school nutrition environment.

Main Methods:

  • Involved 12 primary and secondary schools across 8 provinces/cities.
  • Intervention targeted students, parents, teachers, kitchen staff, and administrators.
  • Activities included nutrition and health education, physical activity promotion, and healthy school meal support.

Main Results:

  • Implementation of a multi-faceted intervention program in a school setting.
  • Focus on creating a supportive school nutrition environment.
  • First phase conducted in 2017.

Conclusions:

  • The program aims to develop a replicable model for improving school children's nutrition and health.
  • Comprehensive intervention strategies are key to addressing child malnutrition in diverse regional settings.
  • Establishing a healthy school environment is crucial for student well-being.