IFFO antioxidant trials & the IMO Code Update. Gretel Bescoby - IFFO antioxidant... · IFFO antioxidant trials & the IMO Code Update ... July 2015 – Jan 2017 UN-TDG ... Regulations

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IFFO antioxidant trials & the IMO Code Update

Dr Gretel Bescoby

ANTIOXIDANT TRIALS &

THE IMO CODES

An Update

Gretel Bescoby

Technical Manager at IFFO

FISHMEAL STABILITY TRIALS

Evaluating all options to provide alternatives should ethoxyquin not

be re-authorised

IFFO TRIAL

•Duration 18 months

•300 ppm ethoxyquin dosage effective (50 ppm residual)

Tocopherols proven safe but higher loss of omega-3’s (250 ppm residual)

•Report available

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OTHER CONCLUDED TRIALS

•Blend: (1,000 ppm + 2,000 ppm)

•Tocopherol with Rosemary extract

•Both concentrations passed self-heating test at 8 months

•Tocopherol residual 103 ppm (1,000 ppm treatment) after 8 months

Peru: anchovy

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OTHER CONCLUDED TRIALS

•Blends: (1,000 ppm each)

•BHA/Propyl gallate

•BHT/Propyl gallate

•The two blends have similar stability

•Both treatments passed 12 months self-heating test

South Africa: anchovy

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% OMEGA-3 FATTY ACID REMAINING AFTER 12 MONTHS' STORAGE

Ethoxyquin

600 ppm

BHA/PG

1,000 ppm

BHT/PG

1,000 ppm

70.6 57.3 51.6

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FUTURE PLANNED TRIALS

Vitamin E

CVEP APPROACH

• Production of anchovy fishmeal samples in South Africa

• Start in January 2018 at the latest for one year

• Laboratory analyses performed by experienced local lab

DETERMINATION OF SAFE VIT E DOSAGE

• Establish range of safe & effective Vit E dosage levels supported

by mathematical-chemical calculations

• Implementing calculated dosage range in the trial to determine

the most probable quantity effective in fish meal stabilisation

CVEP, A Cefic Sector Group, represents the producers of vitamin E

https://specialty-chemicals.eu/cvep/ http://www.e-vitamin.org/

Peruvian industry collaboration - SNP

Decreased dosage levels of ethoxyquin, BHT

and tocopherols

Blends:a) Tocopherol & rosemary extractb) BHT & BHAc) Gallic acid (from “tara pods”) & ascorbylpalmitate (possibly)

Start 2017/2018

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Trial protocol

presented in June 2015 at

UN-TDG meeting

IFFO trial July 2015 –Jan 2017

UN-TDG Model

Regulation amended Nov 2016

3 different papers and 3

IMO meetings later

Amendments to IMDG accepted

Sept 2017

2016

• Accepted into UN-TDG Model regulations (Nov 2016)

2017

• IMO meetings during 2017 to harmonise UN Model Regulations with the IMDG Code (May and September)

2018

• Marine Safety Committee (MSC) to adopt amendments of the IMDG Code (May/June 2018)

2019

• Can be used on voluntary basis from 1st January 2019.

2020• Mandatory 1st January 2020.

AMENDMENT TIMELINE FOR THE IMDG CODE

SP 308 Stabilization of fish meal shall be achieved to preventspontaneous combustion by effective application ofethoxyquin, BHT (butylated hydroxytoluene) or tocopherols(also used in a blend with rosemary extract) at the time ofproduction.The said application shall occur within

twelve months prior to shipment.Fish scrap or fish meal shall contain at

least 50 ppm (mg/kg) of ethoxyquin, 100ppm (mg/kg) of BHT or 250 ppm(mg/kg) of tocopherol

based antioxidant at thetime of consignment.

IMO IMDG CODE AMENDED TEXT (Accepted at IMO E&T meeting in Sept 2017)

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IMDG APPLICABLE FOR THE FOLLOWING SHIPMENTS:

Small bags (35 – 50kg)

Big bags (750 – 1,000kg)

Bags loaded into a container

Fishmeal loose in 20 or 40 foot containers

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IMSBC

International Maritime Solid Bulk Cargo

Cargo loaded directly into cargo spaces of a ship without any intermediate form of containment

Additional data required to determine whether Materials Hazardous in Bulk (MHB)

IFFO proposing additional work to provide data

Could take > 2 years

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Trials

• 3 completed trials

• 2 additional planned trials

• Additional trial to provide data needed for IMSBC

Shipping of fishmeal

• Amendments accepted by UN-TDG: Nov 2016

• Amendments accepted by IMO into IMDG: Sept 2017

• Can be used voluntarily from 1st January 2019

• Amending IMSBC in progress (> 2 years)

• Foreseen continued amendments to IMDG and IMSBC

IN SUMMARY

Thank you !