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7/22/2019 Fish Byproduct Utilization 2 22FEB12
http://slidepdf.com/reader/full/fish-byproduct-utilization-2-22feb12 1/42
Fish Meals from Fish Byproducts
High Quality Protein andOil
Approximate Composition
Protein 65-70%
Fat 8-12%
Ash 9-17% Water 6-10%
Pollock Meal
Pictures by S. Sathivel
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Commercial Fish Meal
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Protein Hydrolysates
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Protein Hydrolysate
Processing
Hydrolysate technology can offer
smaller processors a cost effectivemethod to handle their seafood
processing byproducts.
Possible to produce high quality oils and
protein feed and fertilizer products
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ro e n y ro ys s - nzyma cProcess
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Experimental Hydrolysate
Production in Kodiak
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Fish Oil
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Processing
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Fish Oil Products
•Used as Food or Feed Ingredient
•Sources of Long Chain Omega-3 Fatty Acids
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Fish Oil Compositions From
A. Oliveira
0
10
20
30
40
50
60
Omega-3 Omega-6 Oleic Palmitoleic Linoleic EPA DHA
( % ) t o t a l f a t t y a c i d s
Pollock Pacfic perch Pink salmon Sockeye salmon Sablefish Menhaden Canola
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Oil from Aquaculture Raised
Catfish
Catfish oil can be extracted for viscera and
used as food and feed ingredients
Oleic and linoleic acids accounted for ~
86% of unsaturated fatty acids (different
from marine oils)
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Fish Bone
Fish bone is combination of
minerals and protein
Mineral supplements and premixes
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Fish Bone Meal Products
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Dried Fish Bone Snacks
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Can We Add Value to Parts,
Pieces, and Organs ?
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Components of Alaska
Fish Processing Waste (Metric Tons)
Components
HeadsFrames
Viscera
Skins
Total
2005
384,468385,260
423,818
107,327
1,309,212
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Aquaculture Catfish
Byproducts
Total Byproduct about 55%
~ 150,000 metric tones of raw catfishbyproduct or 30,000 metric tones dry
per year
Heads, Frames, Skin, and Viscera
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Fish Frames
Uses
Protein MinceFish Meal and Oil
Protein Hydrolysate
Bone and Bone Meal
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Fish Heads
UsesOil from salmon heads &
others
Mince
Proteins-collagens, CS
Organs – eye and brain
Protein meals and hydrolysatesGills
Food – dried and fresh heads
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Fish Skin
Uses Gelatin
Food ingredient
Feed binding agent Edible films
Collagen
Food product
Leathers Others
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Fish Skin Leathers
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Fish Viscera
Uses
•Feed Ingredient•Meals•Oils
•Source of organs•Biochemicals, enzymes etc• Attractants and palatinates•Others
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Protein Meals from Livers, Roe
and Testes
Extract specific protein mixtures from
processing byproducts with superior
physical properties
Feed and food ingredients with unique
chemical and functional properties
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Viscera Parts of Interest
Viscera organs include: Gonads – milt and roe
Livers
Stomachs
Gall bladderHeart
Others
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Milt (Male Reproduction)
UsesProtein powder Human foods Animal feeds
UniqueproteinsNucleic acidLipids
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Fish Stomach Products (Dried)
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Fish Livers
Uses
Oils
VitaminsProtein powders Human foods Animal feed
ingredients
PâtéProtein mealsOthers
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Cod Liver Products
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Pet Food Products
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Others Fish Byproducts
Stick water and
solubles
Blood
Swim bladders
Gill
Eye
Neural tissues
Snouts
Dried stick water
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Pigments - Phospholipids
Vitamins A & D
Chitin - Shrimp & Crab ShellMinerals – Bone & Shell
Amino Acids, Peptides, Proteins &
Enzymes
Biochemicals from Byproducts
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Biodegradable Packing
Materials
Cosmetics Ingredients (FishOil)
Decorative Items (Fish
Scales)
Industrial Uses
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Boiler Fuel from Fish Oils
Bio-diesel from Fish Oils
Bio-gas from ProcessingWastes
Fuels from Fish Oils
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Fish Oil to Biodiesel
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Standard Fish Fertilizers
Fish Meals
Hydrolysates
Organic Fish Fertilizers
Compost
Bone Chips and Meals
Fertilizers and Soil Conditioners
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Fertilizer Products
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Fish Silage
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Aqua-ponics
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Organic Fish Fertilizers
Wild fish are not certified organic food
by National Organic Standards Board
Wild fish fertilizer can be used to
produce organic crops
P d t A li ti
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Product Applications :Ingredients for Aquaculture & Other Uses
Protein Meals & Powders Dried fish meals & protein powders fromheads, viscera, frames, roe, milt, and skin
Protein HydrolysatesFrom salmon and pollock By-products
Salmon & Pollock Oils
Oils from salmon heads and pollock By-products including livers are excellentsources of long chain omega-3 fatty acids
Bone Meals & Mineral Supplements
Fish bones have minerals used to fortifyanimal feeds and other uses
Gelatins
Films made from gelatin extracted fromcold-water marine fish skins have uniqueproperties
Others
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Further Readings:
Fish Byproduct Symposia in2002 and 2009
Bechtel, P. (ed.) 2003. Advances in Seafood Byproducts: 2002
Conference Proceedings. Alaska Sea Grant. 556 pps.
Bechtel, P. & Smiley, S. (eds.) 2010. A Sustainable Future: Fish
Processing Byproducts. Alaska Sea Grant. 333 pps.