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![Page 1: Microalgae Production and Their Use in Animal · PDF fileMicroalgae Production and Their Use in Animal Feeds • Specializing in Microalgae Technology ... •10,000 on Spirulina diet](https://reader030.vdocuments.site/reader030/viewer/2022012923/5aafed807f8b9a6b308de959/html5/thumbnails/1.jpg)
Gerald R. Cysewski, Ph.D. Chief Science Officer Cyanotech Corporation
Cyanotech
Microalgae Production and Their Use in Animal
Feeds
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• Specializing in Microalgae Technology
• Operating since 1984 • 75 Employees • ISO 9001:2000 Certified • GMP Certified by NPA • Non-GMO, environmentally
friendly products • Public Company:
NASDAQ:CYAN Keahole Point, Hawaii
Cyanotech
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Cyanotech’s Production Facility •90 acre facility in Kona, Hawaii.
•Consistent sun and temperature year-round
•Separate production facilities for Spirulina and Haematococcus
•Major Spirulina production capacity
•Astaxanthin production is consistent and can be expanded to meet growing markets.
•Focus on high-value human nutrition products
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Microalgae Production In Kona, Hawaii
• Ideal Climate • Warm year round • High solar insolation • Low rain fall • Unique resource
• Cold deep seawater •High Costs
• Land Clearing (hard lava) •US$ 80,000/acre
•CO2 •US$ 440/mt
•Power •US$ 0.35/Kwh Cyanotech
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Spirulina Production
• 40 Culture ponds
• Average size 2,900 sq meters • Total area
29 acres
Cyanotech
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Cyanotech
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Spirulina Production Flow Chart
Cyanotech
Culture Harvest
Wash Water Wash
Water
Make-up Water
Nutrients
CO2
DryerBlender
Packaging
VacuumFilter
ScreenEquipment
Culture Ponds
Culture Media
Reservoir
Clarified Media and
Wash Water
Dewatered, Washed, Spirulina
Slurry
Dried Spirulina Powder
QC Testing
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Spirulina-High Nutritional Value
• 60% Protein
• Rich in carotenoids •Beta Carotene •Zeaxanthin
• Phycocyanin • Liver and Kidney protection
• Immune stimulating compounds
• Antiviral compounds Cyanotech
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Spirulina Feeding Studies Yellowtail—0.5% Spirulina Diet
• 20,000 fish
•10,000 on Spirulina diet
•37% Increase in growth rate
• 14% Increase in survival rates
• 30% reduction in medication
• Improved coloration and quality Cyanotech
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Spirulina Feeding Studies Salmon—2.5% Spirulina Diet
• 23% Increase in growth rate
•Improved coloration and quality • Improved coloration also for:
•Sea Bream •Mackerel •Koi • Other tropical aquarium fish
Cyanotech
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Haematococcus (Astaxanthin) Production
• 20 Culture ponds
• Average size 2,800 sq meters • Total area
14 acres
Cyanotech
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What is Haematococcus? •Haematococcus is a green algae, Chlorophyta.
•Found in pools of fresh water throughout the world.
•Studied since 1797 (Girod-Chantrans). Astaxanthin correctly identified as red pigment in 1944 (Tisher).
•Produces the highest concentration of natural astaxanthin (50,000 ppm. Wild type Phaffia produces 200 ppm astaxanthin, Krill or crawfish oils up to 1200 ppm.
•Green cells have flagella to provide motility to seek new nutrient sources.
•When stressed, cells lose flagella, encyst and produce intracellular astaxanthin for protection against oxygen radicals and UV light.
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Haematococcus Cells
Motile, green Haematococcus cells
Encysted cells produce massive amounts of astaxanthin (400x magnification)
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Productions of Haematococcus
Two Stage System •Closed Culture •Outdoor Open Culture
•Daily monitoring of open cultures
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Productions of Haematococcus
250 ml Shake Flask Cultures
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Productions of Haematococcus
20 Liter Carboy Culture System
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Productions of Haematococcus
400 Liter Column Closed Culture System
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Astaxanthin formation in Haematococcus cultures
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Final Production in Reddening Ponds
The final stage Haematococcus production is in 500,000 liter ponds where high concentrations of astaxanthin accumulate in cells.
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Astaxanthin Chemistry
•Astaxanthin is a carotenoid similar to beta-carotene, lutein and lycopene.
•Carotenoids are sensitive to heat, light and oxygen.
•Conjugated double bonds ‘chromophore’ elicits red color.
•The 3-hydroxyl and 4-keto groups bind to muscle flesh of salmonid flesh. Astaxanthin is lipid soluble (lipophilic).
•Hydroxyl groups can be esterified to fatty acids, creating mono and diesters.
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Carotenoid analysis
Astaxanthin diesters
Astaxanthin monoesters
Free astaxanthin
Thin-layer chromatography shows NatuRose is most similar to krill, a natural source of astaxanthin for wild salmon.
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What is NatuRose? •NatuRose™ is a natural source of astaxanthin from non-GMO Haematococcus pluvialis. NatuRose is milled to crack cells, and spray-dried into a dark red powder.
• Consistent concentration: Standardized to contain 2.0% (20,000 ppm) astaxanthin, plus beta-carotene, canthaxanthin and lutein.
•Whole algae is used: lipids, proteins and carbohydrates
•Packaged in vacuum-sealed, foil laminate bags.
•Added to feeds as a premix or can blended into oils and used to topcoat feeds.
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NatuRose Carotenoids lutein4%
astaxanthin monoester 70%
astaxanthin diester 10%
beta-carotene6%
astaxanthin free 5% canthaxanthin
5%
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NatuRose Approvals
•Approved by US FDA for salmonids (21 CFR 73.185).
•Approved by Canada CFIA for salmonids (Reg. # 990535).
•Approved in Japan for all animal feeds.
•Organic approval New Zealand.
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NatuRose Applications NatuRose was used worldwide to pigment shrimp, trout,
Coho, Atlantic salmon, red sea bream, tropical fish, and egg yolks.
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NatuRose Feeding Studies
•Trout •3 Studies
•Salmon •4 Studies
•Shrimp •6 Studies
•Yellowtail •Sea Bream •Ornamentals
•5 Studies •Poultry
•3 Studies •Dogs
•“Secret ingredient”
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Atlantic Salmon
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Poultry
NatuRose coloration of egg yolks, University of New England
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NatuRose Safety
•48 NatuRose Customers in 15 Different Countries •Commercial aquaculture—Salmon, trout, sea bream, yellow tail •Ornamental fish feeds •Poultry •Dogs
•Discontinued NatuRose Sales in late 2007 •High demand in human supplement market, BioAstin •97% sales increase first 6 months of 2011 •Expanding production by 33%
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Cyanotech Corporation