Maximising the Value of Marine By-Products provides complete coverage of the characterisation, recovery, processing and applications of marine-by products.

Part 1 summarises the physical and chemical properties of marine proteins and lipids and assesses methods for their extraction and recovery.

Part 2 examines the various applications of by-products in the food industry, including health-promoting ingredients such as marine oils and calcium, as well as enzymes, antioxidants, flavourings and pigments.

Part 3 discusses the utilization of marine by-products in diverse areas such as agriculture, medicine and energy production.

Features:

• how to devise strategies for the full utilisation of the catch
• the importance of marine by-products to human health
• explores the use of marine by-products in diverse areas such as agriculture, medicine and energy production

Contents

Part 1: Marine By-Product Characterisation, Recovery and Processing

Physical and chemical properties of protein by-products from seafood waste

• Physical and chemical properties of protein-rich by-products – seasonal, habitat, species and individual variations
• Implication for by-products valorisation

Physical and chemical properties of lipid by-products from seafood waste

• Introduction to fish lipids
• Health benefits associated with fish lipids
• Fatty acids found in fish muscle
• Fatty acids found in fish-by-products
• Factors affecting the fatty acid composition of fish and their associated by-products
• Deterioration of fish lipids
• Implications for fish fat by-product valorization

On-board handling of marine by-products to prevent microbial spoilage, enzymatic reactions and lipid oxidation

• Deterioration of marine biomass
• Handling and sorting
• Conservation and stabilisation
• On-board processing
• Utilisation of by-products from gadiform species

Recovery of by-products from seafood processing streams

• State of global fisheries and by-products
• Basic properties of water, proteins and lipids in aquatic foods
• Recovery of functional proteins and lipids from by-products
• Protein recovery from surimi processing water

Increasing processed flesh yield by recovery from marine by-products

• Recovery of flesh from filleting waste
• Recovery of flesh from demersal species
• Quality and improvement of fish mince

Enzymatic methods for marine by-products recovery

• Overview of by-products extracted by enzymatic methods
• Enzymatic extraction methods
• Traceability of by-products

Chemical processing methods for protein recovery from marine by-products and underutilized fish species

• Chemical extraction: fish protein concentrate
• Chemical hydrolysis
• Surimi processing
• Fish protein isolates: pH-shift processing
• Other processes using low or high pH

Part 2: Food Uses of Marine By-Products

By-catch, underutilized species and underutilized fish parts as food ingredients

• By-catch, discards and by-products
• Key drivers
• Using the by-catch and underutilized species
• Using underutilized fish parts as food and food ingredients

Mince from seafood processing waste and surimi as food ingredients

• Manufacturing fish mince/surimi
• Machinery for preparation of fish mince/surimi
• Mince/surimi processing by-products
• Functional properties of fish mince/surimi
• Nutritional characteristics
• Storage stability
• Utilization

Aquatic food protein hydrolysates

• The enzymatic hydrolysis process
• Properties of fish protein hydrolysates
• Role in food systems
• Physiological role in humans and animals
• Role in plant growth and propagation
• Role as growth media for micro-organisms

Functional properties of protein powders from underutilized marine fish and seafood products

• Fish protein powder as bio-active ingredients
• Functional properties of fish protein powders
• Flow properties analysis of emulsion containing fish protein powders
• Viscoelastic properties of emulsions containing fish protein powders
• Thermal properties of fish protein powders

Marine oils from seafood waste

• Oil from fish processing by-products
• Marine mammal oils
• Algal oil
• Marine oil manufacturing process
• Health effects of PUFA

Collagen and gelatine from marine by-products

• Key drivers of marine collagen and gelatine
• Sources of marine collagen and gelatine
• Manufacture of marine collagen and gelatine
• Properties of marine collagen and gelatine
• Food applications
• Non-food applications
• Improving the quality of collagen and gelatine

Seafood flavour from processing by-products

• Aqueous extraction
• Fermentation
• Enzymatic hydrolysis
• Enzyme-assisted seafood flavours from processing by-products
• Flavour-imparting compounds and chemistry

Fish and bone as a calcium source

• Biochemical properties of fish bone
• Utilization of fish bone calcium and organic compound
• In vivo availability of soluble calcium complex from fish bone

Chitin and Chitosan from marine by-products

• Chemical characteristics
• Applications of chitin, chitosan and their oligomers
• Safety and regulatory status

Marine enzymes from seafood by-products

• Marine enzymes
• Producing enzymes from seafood by-products
• Marine by-product enzyme utilization

Antioxidants from marine by-products

• Antioxidants from marine algae
• Antioxidants from marine animals and their by-products
• Antioxidants from other marine sources

Pigments from by-products of seafood processing

• Pigment types and sources
• Cartenoid pigments
• Other pigments
• Economic, environmental and safety considerations

Part 3: Non-Food Uses of Marine By-Products

By-products from seafood processing for aquaculture and animal feeds

• Driving forces for utilization of by-products
• By-product components
• Overview of different products produced from fish by-products
• Methods of producing hydrolysates and silage
• Nutritional benefits and other properties of fish and animal feeds made from seafood processing wastes

Using marine by-products in pharmaceutical, medical and cosmetic products

• Squalamine
• Collagen
• Proteoglycan and protamine

Bio-diesel and bio-gas production from seafood processing by-products

• Quantity and quality of various seafood processing by-products
• Theories and technologies for production of bio-diesel and bio-gas fuel
• Potential yields and quality of bio-diesel and bio-gas fuels
• Problems encountered and possible approaches for overcoming them

Composting of seafood wastes

• Biodegradation of seafood waste by composting
• Composting operational parameters
• Characteristics of the compositing of seafood wastes
• Technological aspects
• Biological aspects
• Vermicomposting
• Quality considerations

Index

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