The industrial production of artemisinin has evolved significantly over the years to meet global demand, particularly for malaria treatment. Here's an overview of the main methods used for large-scale artemisinin production:
Plant Cultivation and Extraction:
Traditional method
Involves growing Artemisia annua plants
Harvesting leaves and extracting artemisinin
Challenges: weather-dependent, variable yields, labor-intensive
Semi-Synthetic Production:
Developed to stabilize supply and reduce costs
Uses yeast fermentation to produce artemisinic acid
Artemisinic acid is then chemically converted to artemisinin
Key players: Sanofi, in partnership with PATH and UC Berkeley
Fully Synthetic Production:
Completely chemical synthesis of artemisinin
Not widely used due to complexity and cost
Genetically Modified Plants:
Research ongoing to develop Artemisia annua varieties with higher artemisinin content
Aims to increase yield from plant-based extraction
Continuous Flow Chemistry:
Emerging method for more efficient chemical synthesis
Allows for continuous production rather than batch processing
Bioreactor Production:
Using plant cells or hairy root cultures in bioreactors
Still in research and development phase
Key aspects of industrial production:
Quality Control:
Strict standards for purity and potency
Regulated by WHO and national health authorities
Scale-Up Challenges:
Balancing demand with production capacity
Managing supply chain and storage
Cost Considerations:
Efforts to reduce production costs to make treatment more affordable
Environmental Impact:
Push for more sustainable production methods
Global Collaboration:
Partnerships between pharmaceutical companies, research institutions, and non-profit organizations
Market Dynamics:
Price fluctuations based on demand and supply
Impact of alternative malaria treatments on artemisinin demand
The industrial production of artemisinin continues to evolve, with ongoing research focused on improving efficiency, reducing costs, and ensuring a stable global supply for malaria treatment and other potential medical applications.
没有评论:
发表评论