Related Experiment Video
Updated: Jul 23, 2026

Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements
Published on: July 13, 2016
Physiologic processes affecting the content and distribution of phytonutrients in plants
M A Grusak1, D DellaPenna, R M Welch
1USDA-ARS, Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX 77030, USA.
Scientists are studying plant phytonutrients to enhance crop nutrition. Further research and technical advancements are needed to improve plant-based nutrition quality.
Area of Science:
- Plant biochemistry and physiology
- Nutritional science
Background:
- Understanding plant phytonutrient composition is key to improving crop nutritional value.
- Current knowledge gaps exist in plant and human phytonutrient processes.
Purpose of the Study:
- To review the current understanding of plant phytonutrient transport and biosynthesis.
- To identify necessary technical capabilities and research priorities for enhancing crop nutrition.
Main Methods:
- Literature review of plant physiology and biochemistry studies.
- Analysis of current technical limitations in phytonutrient research.
- Synthesis of knowledge gaps and future research directions.
Main Results:
- Plant phytonutrient composition is determined by complex transport and biosynthetic pathways.
- Significant knowledge gaps hinder the modification of crops for improved nutrition.
- New technical capabilities are required for advanced phytonutrient research.
Conclusions:
- Further research into plant phytonutrient pathways is essential.
- Development of new technologies is crucial for advancing crop nutrition.
- Targeted research priorities will facilitate the enhancement of phytonutrient content in crops.
Related Concept Videos
Short-distance Transport of Resources
Key Elements for Plant Nutrition
Plant Hormones
Photoreceptors and Plant Responses to Light
Plant Hormones
Factors Affecting Drug Distribution: Physiological Barriers
The capillary endothelial barrier allows only smaller molecules below 600 Da (Daltons) to pass through. It also restricts drugs like heparin that are bound to blood components, limiting their movement within the bloodstream.
The...

