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Phytase, a new life for an "old" enzyme
Xin Gen Lei1, Jeremy D Weaver, Edward Mullaney
1Department of Animal Science, Cornell University, Ithaca, New York 14853;
Annual Review of Animal Biosciences
|November 12, 2014
Summary
Phytase enzymes break down phytate, a major phosphorus source in animal feed. Supplementing phytase improves animal digestion, reduces phosphorus excretion, and offers environmental and health benefits.
Area of Science:
- Enzymology
- Animal Nutrition
- Environmental Science
- Biotechnology
Background:
- Phytate is the primary phosphorus storage form in plant-based animal feeds.
- Simple-stomached animals (swine, poultry, fish) cannot efficiently digest phytate without extrinsic phytase.
- Phytase supplementation is a widely adopted practice in animal feed to enhance phosphorus utilization and reduce environmental pollution.
Purpose of the Study:
- To provide a comprehensive review of phytase science and technology.
- To explore the diverse applications of phytase in animal agriculture, environmental protection, and human health.
- To analyze the impact of novel biotechnologies and future demands for phytase.
Main Methods:
- Literature review and synthesis of existing research on phytase.
- Analysis of phytase applications in various sectors.
- Discussion of biotechnological advancements and future trends in phytase development.
Main Results:
- Phytase is a highly effective and profitable feed additive, crucial for phosphorus management in animal diets.
- Phytase plays significant roles in animal feeding, environmental protection, phosphorus preservation, human health, and industrial applications.
- Novel biotechnologies are emerging for developing microbial phytases and phytase-transgenic organisms.
Conclusions:
- Phytase is essential for sustainable animal agriculture by improving nutrient utilization and reducing environmental impact.
- Further research and development in phytase technology hold promise for expanded applications and societal benefits.
- The global demand for phytase is projected to grow, driven by its multifaceted advantages.
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