Friday, November 17, 2017

More food scare mongering

I recently read an article in New Zealand Farmer entitled "The stomach-churning truth about what's in synthetic food".  The writer, Jon Morgan was writing an opinion piece and quoted an article by a British food writer, Joanna Blythman.

She had apparently investigated the ingredients in the "Impossible Burger", which has been launched in the US.  The ingredients can be found in many foods already consumed widely in New Zealand and other countries.

She was upset that the major ingredient by weight was water, suggesting that "no quality product uses it as a bulk ingredient".  I had a look in our food cupboard and refrigerator, and found many processed foods with water listed as the main ingredient.  Practically any food manufactured in which powders, such as milk powder, are incorporated will require water to rehydrate the dry ingredients.  (What does she think is the major component of a beef steak cut from a cattle beast?)

She then got stuck into some of the other dry ingredients - textured wheat protein, potato protein and soya protein isolate, claiming that these were produced using high-tech. chemical and physical processes veiled in secrecy.  The konjac and xanthan gums used in food manufacture were described as industrial hydrocolloids, the latter used in oil drilling muds.  In my opinion, this reference is totally irrelevant - there are many materials found in foods that are also used in unrelated industrial processes, such as starch used in paper coating.

The ingredient that caused Joanna the most heartache appeared to be soy leghemoglobin, which is a protein produced in genetically modified Pichia pastoris and which imparts a meat-like flavour profile onto plant-based foods.  I found a number of scientific studies that tested its safety for consumption at up to 0.8% in ground beef analogues.

Overall, I came to the conclusion that this was just another scare mongering beat up of modern food technology.  It is worth noting that Sir Peter Gluckman, the New Zealand Prime Minister's Chief Science Advisor, has stated that synthetic foods will have a major impact in 10 to 15 years, and that great strides are being made in the commercialisation of synthetic milk and meat.

I also tried to find information on Joanna Blythman's qualifications to comment on the safety of foods.  All I can find is that she graduated from City, University of London.  City is focused on business and the professions, so I can only assume that she has no food or science qualifications (if she does have some, then perhaps I am doing her an injustice) but at the moment, it appears that she is yet another journalist who has set up to criticise the food industry.

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