Mass-Cultivation-of-Spirulina.pptx
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Spirulina is a nutrient-dense blue-green algae that can be mass cultivated. It requires specific growth media and environmental conditions for optimal cultivation in photobioreactors. Harvesting techniques like filtration and centrifugation are used to extract the biomass. Spirulina is a rich source of protein, vitamins, minerals and amino acids. Its cultivation and applications provide opportunities for biotechnological advancements, but also environmental challenges that require sustainable solutions.
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- 2. Mass Cultivation of Spirulina Spirulina is known for its exceptional nutritional profile, making it valuable as a functional food and dietary supplement. Let's explore its cultivation and applications. KS
- 3. Growth Medium and Nutrient Requirements Growth Medium Zarrouk, BG11, and modified Chu media are highly effective for Spirulina cultivation. Nutrient Requirements Metabolic processes of Spirulina rely on carbon and nitrogen sources, phosphorus, and trace minerals. Photosynthesis Sodium bicarbonate is a significant carbon source for photosynthesis. Protein Synthesis Sodium nitrate or urea acts as nitrogen sources for protein synthesis.
- 4. Photobioreactor Systems for Mass Cultivation 1 Controlled Environment Photobioreactors offer controlled environments for efficient mass cultivation of Spirulina. 2 Types of Photobioreactors Open pond systems, closed loop system, and hybrid systems are commonly used for commercial cultivation. 3 Benefits of Photobioreactors Higher yields, improved purity, and reduced contamination risks are some benefits of photobioreactors.
- 5. Environmental Factors for Spirulina Growth Temperature Ideal temperature is between 30°C and 35°C. Light Intensity A light intensity of 150-200 µmol photons/m2/s is optimal for growth. pH Level The ideal range for pH is 8.0-11.0. Carbon Dioxide (CO2) An adequate supply of CO2 is critical for photosynthesis and growth.
- 6. Harvesting and Biomass Extraction Techniques Mesh Filtration Mesh filtration is an efficient method for harvesting Spirulina biomass. Centrifugation Centrifugation is commonly used for biomass extraction from Spirulina cultures. Drying Drying is the most common method to preserve and stabilize Spirulina biomass.
- 7. Nutritional Profile of Spirulina 1 High-Protein Content Spirulina contains 55-70g of protein per 100g of dry weight. 2 Essential Nutrients Spirulina is rich in B vitamins, iron, calcium, and other essential minerals. 3 Plant-Based Protein Spirulina's balanced profile of essential amino acids makes it a valuable source of plant-based protein.
- 8. Comparison with Other Foods Nutrient Comparison(per 100g) Spirulina Chicken Breast Spinach Cow's Milk Protein 60-70g 31g 2.9g 3.2g Iron 28.5mg 0.8mg 2.7mg 0.1mg Calcium 12mg 10mg 99mg 120mg Vitamin B12 24µg 0.3µg - 0.4µg
- 9. Quality Control and Standardization 1 Consistent Quality and Purity Rigorous quality control measures and standardized production protocols are necessary for ensuring consistent quality and purity of Spirulina products.
- 10. Sustainability and Environmental Impact 1 Resource Consumption The mass cultivation of Spirulina requires water, energy, and land resources. 2 Addressing Challenges Researchers and industry professionals must address these challenges to minimize environmental impact and promote sustainable cultivation practices.
- 11. Novel Applications and Biotechnological Advancements 1 Various Industries Spirulina has potential applications in various fields like pharmaceuticals, bioplastics, and waste valorization. 2 Continuous Development Continuously researching and developing new applications of Spirulina can lead to beneficial biotechnological advancements.
- 12. Conclusion Nutrient-Dense Solution Spirulina's nutritional profile makes it a valuable addition to diets, particularly for individuals following a vegetarian or vegan lifestyle. Promising Future Spirulina is expected to play a significant role in meeting the growing demand for sustainable and nutritious solutions.