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Charles.C

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Posted 29 November 2008 - 03:57 PM

Dear All,

Just to avoid it being lost within the Newsgirl Domain, some more news from USA -

http://www.fda.gov/o...s/melamine.html

http://news.yahoo.co.../infant_formula

Some interesting background comments in links within 1st ref above. I didn't know that a melamine derivative (trichloromelamine) is an approved sanitising agent for food processing equipment (but not in milk related applications) !!

Rgds / Charles.C


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Kind Regards,

 

Charles.C


a_andhika

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Posted 01 December 2008 - 12:17 PM

Dear Charles C.,

When I search the progress on the Mumbai incident, I found the news about the 1 ppm announcement too. But apparently I figure the terrorists act much more interesting, so I forgot to post it..:p

Anyway, I do some research again bout the limit, and I think the publication of 1 ppm limit by FDA is.. a bit too late?
The Canada Health already announce it on October:
http://www.hc-sc.gc....elamine-eng.php
And even the NZFSA already announce it in September:
http://www.ausfoodne...mine-fears.html
And so as Hong kong:
http://www.flex-news...amine-food.html
Then why it has to be on the late of November?

The determination of the limit seems quite reasonable for me, but I still wondering on the toxicology study results that published by the FDA:
"The most commonly observed toxic effects in animal experiments where melamine was administered orally include: reduced food consumption, body weight loss, bladder stones, crystalluria, epithelial hyperplasia of urinary bladder, and lowered survival rate. However, no kidney failure or clinical symptoms of kidney failure were observed from these studies, or in a dog study".
http://www.cfsan.fda...s/melamra3.html

Wondering and bothering... Coz the incidents was related closely to the kidney failure, especially for the infants. Does it means the metabolism of human and rat was so much different (in the way to interfere melamine effect)? And therefore the toxicity level should be different too? Any medical explanation from the members?

However, the limit itself brings some unconvenience to some people (well yeah except for the bussinessman of course). I see some opinions from the people regarding the "safe" limit, but I am afraid it's quite provocative to be discussed in here :P


Regards,


Arya

PS: I have this one too, might be an old and out-dated one, but I love to compare it with the recent research:
http://monographs.ia...3/mono73-17.pdf


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IF
safety and quality means perfection
AND
nobody's perfect
THEN
why should I bother?

Charles.C

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Posted 02 December 2008 - 10:24 AM

Dear All,

An interesting summary of rejected items in UK including the level of melamine found is here -

http://www.food.gov....atestonmelamine
(thanks Newsgirl)

Some very substantial numbers are present. Unfortunately, the production source is not given.

@Arya

Anyway, I do some research again bout the limit, and I think the publication of 1 ppm limit by FDA is.. a bit too late?

The "sudden" announcement was rumoured to be a result of internal testing of US manufactured products as commented in the 1st link of my previous post.

On doing a quick look around the net, the only countries which did not hv the typical limit pair of 2.5/1.0 ppm where the second value refers to infant milk powders and related were Taiwan ("zero" tolerance x2 ) and EC (2.5 / NA) [NA = not applicable since the item was apparently not allowed to be imported since 2002]

Just for interest , I noticed this chunk of science which considers alternative possibilities for melamine contamination (though others are also now appearing as per my previous post) -

It is recognised that trace quantities of melamine and related compounds that are of no toxicological importance may legitimately be present in food. This may arise during processing through leaching from food-grade melamine contact material. Published reports, which specify the likely leached levels of melamine in foods, are not available but there are studies reporting levels of melamine that can be leached from melamine kitchenware under very severe conditions. Melamine may be detected in beverages at levels of 0.5, 0.7, 1.4 and 2.2 mg/kg in coffee, orange juice, fermented milk and lemon juice respectively5. These levels originate from migration of melamine from the cup, made of melamine-formaldehyde resin, into the beverage under experimental hot and acidic conditions (95°C for 30 min). Given the extreme use conditions used to generate these data it is considered that a level of 2.5 mg melamine/kg food would represent the upper levels likely to be legitimately found in foods. Melamine levels in food exceeding 2.5 mg/kg would be indicative of food adulteration


Similarly, for general interest, here is a legal assessment of the potential risk to a UK importer with respect to due diligence type factors -

Necessary checks
What checks should food companies run when sourcing ingredients from outside the European Union? It is crucial that thorough due diligence is carried out on any foreign manufacturer or supplier.
This concerns not just understanding first hand the supplier’s quality control procedures, insurance arrangements and previous claims record, but also consideration of the experience and integrity of management.
Would the supplier be able to absorb the costs of any future changes to the quality procedures?
Does it have the assets to meet a significant claim arising out of a product incident?
Although all background sources of information should be reviewed, there is no substitute for a visit to the manufacturing site to meet the management and owners of the supplier and to understand the financial and technical risks involved.
Importers’ protection
Importers of food products or ingredients into Europe should also ensure that they have the necessary contractual protection. A detailed specification should be agreed, including the testing methodology to be undertaken.
Advance thought should also be given to areas of developing science – either in terms of identifying new contaminants or methodologies which detect substances at smaller concentrations.
However, the fact that a particular contaminant is not mentioned does not mean that the importer is without remedy.
Under English law, any product supplied must be of satisfactory quality and reasonably fit for purpose. In order to form the basis of a claim for breach of contract, the level of contaminant need not present a safety risk.
No importer would expect any level of melamine to be present in milk powder or, to take other examples in supply chain litigation in which we have been involved, trace levels of benzene or azo dyes to be present in food ingredients.
Nevertheless, the importer should seek an express warranty that the product complies with European food regulations and legislation in all Member States in which the end product is marketed.
The contract should also provide for a right to appoint a local agent or representative to conduct an audit of the foreign premises at short notice and a right to be informed in advance of any changes to the manufacturing process.
It should oblige the supplier to make available test results and batch information on demand. This is particularly important as companies which do not operate in the European Union are not caught by the General Food Regulations (Regulation No. 178 of 2002) which provides for one up, one down traceability and sets minimum food safety standards.
Risk of prosecution
It is the importer who is primarily responsible for compliance with food legislation and faces the risk of prosecution in the event that product is unfit for consumption.
Faced with a food prosecution, an importer would need to show that it had taken all practicable steps and exercised all due diligence to avoid commission of the offence.
In practice, reliance on a statement of conformity from a supplier is unlikely to suffice. Consideration should be given as to what tests can be carried out to corroborate test results on a periodic basis.

http://www.foodnavig...ropean-business

I noticed today new figures hv beeen released of patients (esp.infants) in China whose condition considered to be associated with the contamination. Large increases.

Rgds / Charles.C

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Kind Regards,

 

Charles.C




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