advances in food safety - citrus australia...advances in food safety s.p. singh research...

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Advances in Food Safety

S.P. Singh Research Horticulturist-Food Safety

NSW Department of Primary Industries

E: sp.singh@dpi.nsw.gov.au; T: 02 4348 1935

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Food safety- a shared responsibility and accountability

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Product recalls

Economic losses ↓

Consumer confidence

↓

Market access ↓

Supplier contracts

↓

Exports ↓

Reputation ↓

Consumer health ↓

Food safety failure- potential impacts

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Citrus industry- food safety

National residue survey

program

Ongoing R&D on Postharvest low residue

Ongoing R&D on Preharvest

residue control

On-farm food safety

certification

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Food Safety Risks

Chemical Physical Microbial Food fraud

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Microbial Risks

Fungal Bacterial Viral Parasitic

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Bacteriological risks

Sources and/or routes of contamination e.g. Salmonella, E. coli

• Contaminated spray/wash water

• Lack of a sanitiser in wash water

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Bacteriological risks

Sources and/or routes of contamination

• Recirculation of fungicides

• Incompatibility of fungicides and sanitisers

Picture source: http://www.sun.ac.za/english/faculty/agri/plant-pathology/research/research-programmes/citrus-pathology

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Viral pathogen risks

Sources and/or routes of contamination

e.g. noroviruses and hepatitis

• Workers (pickers, packers and handlers)

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Bacteriological & viral risks to consumers

Potential route for transfer of bacterial or viral

pathogens from fruit to the consumer

Rind Hand Edible part

Consumer

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Cold Plasma Technology

Kills bacterial, fungal and viral pathogens

Non-chemical

No residues

Short treatment time

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Cold Plasma Technology

Plasma generation by

applying an electric current

to normal air or gas

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• Hort Innovation’s Strategic Co-investment Pool 2

• Health, Nutrition and Food Safety Fund

• ‘Cold Plasma for Horticulture Industries’

• Project HN15000: 2016-21

Cold Plasma Project

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Cold Plasma Project

Overall Aim: Develop a new decontamination

technology to improve food safety and control

postharvest decay in horticultural products

Citrus industry- one of the target beneficiaries

• Mitigating bacteriological risks on citrus fruit

• Reducing reliance on chemicals to control

postharvest decay

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www.coldplasma.net.au

Cold Plasma Project

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Food fraud and traceability

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Food fraud and traceability

Printing packaging material

-consumer experience

Use of chemical dyes

-contaminant (market access)

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Food fraud and traceability

Existing solutions

• Market surveillance

• QR codes

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Next generation traceability solution

www.safetraces.com

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Next generation traceability solution

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Citrus industry- extra food safety cover

Food fraud and traceability

Bacteriological risk mitigation

National residue survey program

Ongoing R&D on Postharvest low residue

Ongoing R&D on Preharvest

residue control

On-farm food safety certification

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Acknowledgments

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Food safety- a shared responsibility and accountability