Current status and options for biotechnologies in food ... · PDF filefor Biotechnologies in...
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Current Status and Options for Biotechnologies in Food Processing and Food Safety in Developing Countries
Rosa S. Rolle, Ph.DSenior Agro-Industry and Post-harvest OfficerFAO Regional Office for Asia and the Pacific
Bangkok, [email protected]
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Biotechnology
“any technological application that uses biological systems, living organisms, or derivatives thereof, to make or modify products or processes for specific use.” Convention on Biological Diversity.
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Biotechnology in Food Processing
The fermentation bioprocess:
Is the major biotechnological application in food processing
Is one step in a sequence of food processing operations
Makes use of microbial inoculants to enhance
Taste
Aroma
Shelf-life
Texture
Nutritional Value
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Schematic of Steps of an Ideal Fermentation Process
Bioreactor
Inoculant
Fermented ProductRaw Material
Final Product
Pre-TreatmentDownstreamProcessingProduct
Separation
Incubation
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Dried soybeans
Dehulling
Gravity separation of hulls
1st Soak cotyledons forovernight at room temperature
2nd Soak cotyledons forovernight at room temperature
place into the net - plastic bag and tight
steam or boil for 30 minutes
drain and cool
Pack into perforated plastic bag (about 200g) and seal
Incubation in the bamboo rack for 36-40 hr
Grading
Inoculation with powdered “ragi tempe”
Tempe
Boil 60 minutes in soak water
RAW MATERIALS
PRE-TREATMENT
INOCULATION
FERMENTATION
PRODUCTTempeh
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From Art to Science: Levels of Technology
Industrial/Large ScaleIndustrial/Large Scale
Level of SanitationLevel of TechnologyProcess ControlProduct Quality & Consistency
Village LevelVillage LevelHouseholdHousehold
LevelLevel
SMEsSMEs
Art
Science
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Types of Inoculants
“Appropriate” Starter Cultures
Back-slopping
Defined Starter Cultures
Propagated and maintained under sterile conditions
“Chance” inoculation of fermentation processes is also widely employed
Chance Inoculation
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“Appropriate” Starter Cultures
Mould Starter Cultures
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Defined Starter Cultures
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Bioreactor Technology
Earthenware Pots used as Bioreactors
Soy Sauce Fermentation (Asia) Cassava FermentationW. Africa
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Bioreactor Technology
New Koji ChamberTraditional Koji Chamber
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Bioreactor Technology
Traditional Sorghum Beer Production
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Role of Biotechnology in Starter Culture Development
Enhancement of starter culture safety
Tailoring of cultures to achieve desirable products.
Improve yields, quality and consistency of product
All of the above are possible with the appropriate bioreactor conditions
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Biotechnological Tools For Starter Culture Improvement
Biotechnological Tools
I. Diagnostics Characterization of microorganisms
PCR Specific and Non Specific Gene
Amplification Genome sequencing
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Biotechnological Tools For Food Safety Assurance
Food Safety
Biotechnological Tools
I. Pathogen Detection
Specific Gene PCR Amplification Specific protein identification by Immunoassays Biosensors
II. Detection of chemical and biochemical hazards
Immunoassays Biosensors
III.Traceability of Food
DNA Bar code - Unique DNA Polymorphism
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MidMid--High IncomeHigh Income
Changing Socio-economics a Driving Factor for Improvement
Traditional ConsumerTraditional Consumer
Affordable staples
Taste
Shelf-life
Food Security and Safety
Health food
Quality
Convenience
Food Safety
Shelf-life
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From Art to Science: Levels of Technology
Industrial/Large ScaleIndustrial/Large Scale
Level of SanitationLevel of TechnologyProcess ControlProduct Quality & Consistency
Village LevelVillage LevelHouseholdHousehold
LevelLevel
SMEsSMEs
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Lessons from the Past
Success has been achieved where:
An enabling environment has been provided by Governments
Governmental support facilitates the adoption of improved technologies
Development of technical skills has been prioritized
Funding support exists for research
Industry-institutional linkages have been developed
North-South, and South-South collaboration has taken place
Industry has adopted proactive approaches
Production of fermented foods is market driven
Attention must be paid to intellectual property issues
Starter culture development is a driving force for upgrading bioreactor technology
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Country Level - Priorities for Action
Regulatory and policy issues
Food Safety
Food and nutritional security
Technology transfer and innovation
Business policy
Education Policy
Consumer education
Academic and vocational education on food biotechnology - fermentations
Institutional Strengthening and Capacity Building
R&D support targeted to the food bio-processing sector
Dissemination of improved technologies
Strengthening of food safety management systems
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Country Level - Priorities for Action
Infrastructure Development
Transfer and adaptation of technology
Intellectual Property Rights
Information, Networking and International Cooperation
Access to specialized technical information
Networking and exchange among institutions and across regions
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Role of the International Community
Policy Development and Planning
Capacity Building on Technical and Regulatory
Issues
R & DTechnology Transfer
InfrastructureDevelopment
Networking Information &
Awareness Raising
INTERNATIONAL COMMUNITY
Regulatory Frameworks
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Acknowledgements
Olusola B. Oyewole, University of Agriculture, Abeokuta, Nigeria
Rudd Valyasevi, Biotec, Thailand
FAO- Nutrition and Consumer Protection Division
M. Takeuchi; S. Dharmapuri; Maria de Lourdes Costarrica; Annika Wennberg
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ABDC Steering Committee
Adama Diallo – FAO/IAEA Division, Austria
Kathleen Jones – USFDA
Marc Levine- ILSI
Haruko Okusu, CGIAR
Masashi Kusukawa (Codex)
Jorgen Schlundt (WHO)
ABDC Secretariat
Preet Lidder
John Ruane