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Sulphur dust on crops


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#1 The Food Scientist

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Posted 24 October 2019 - 03:46 PM

Hi everyone!

 

So we resell "Corn husks" used for Tamales. Now they use something called "Sulfur dust" as a means for killing pests when growing. I am trying to research it and find out in exactly what form does it occur in? Is it pure sulfur? Or sulfur dioxide? Because if it is Sulfur Dioxide, then its a form of a sulfite and we should declare on the label. Can anyone assist? 

 

Edit: Oops spelled Sulfur wrong in the title :)


Edited by The Food Scientist, 24 October 2019 - 03:48 PM.

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#2 SQFconsultant

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Posted 24 October 2019 - 04:25 PM

It depends on country of origin.

 

In Mexico for instance most corn husks are treated with Sulfur Dioxide for the purpose of bleaching them and preserving them - possible side benefit is pest control.


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#3 The Food Scientist

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Posted 24 October 2019 - 04:35 PM

It depends on country of origin.

 

In Mexico for instance most corn husks are treated with Sulfur Dioxide for the purpose of bleaching them and preserving them - possible side benefit is pest control.

 

Yup, Mexico.


Everything in food is science. The only subjective part is when you eat it. - Alton Brown.


#4 Hank Major

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Posted 25 October 2019 - 07:27 PM

On growing plants, they use elemental sulfur dust. It is not a sulfite, and you should never declare sulfites on the label unless you have had the finished product tested and the results show sulfites.



#5 CMHeywood

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Posted 30 October 2019 - 07:38 PM

Sulphur dioxide is a gas.



#6 Hank Major

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Posted 30 October 2019 - 07:49 PM

Sulphur dioxide is a gas.

 

Sulfur dioxide binds to molecules in the food and creates sulfites.



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#7 The Food Scientist

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Posted 30 October 2019 - 07:53 PM

On growing plants, they use elemental sulfur dust. It is not a sulfite, and you should never declare sulfites on the label unless you have had the finished product tested and the results show sulfites.

 

Yes that was going to be my next step, to test it after really wanting to know the form it comes in. Thanks!


Everything in food is science. The only subjective part is when you eat it. - Alton Brown.





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