Tuesday, February 22, 2011

GM Vegetable Oil

"Soy oil is the most abundant vegetable oil in the world and widely used in commercial frying and baking, but it has a flaw. Although high in unsaturated fatty acids, which are good for the heart, it is easily oxidised and develops objectionable flavours and odours when heated extensively.


The problem can be solved by partially hydrogenating the oil, which makes it more stable against oxidation. However this leads to the formation of trans fatty acids, which are believed to contribute to heart disease and type 2 diabetes. Some people believe trans fats should be banned.


The instability mainly derives from the linolenic-acid component. The new oils come from a new line of soybeans which contain high oleic acid but low linolenic and palmitic acid. That makes them stable, reducing or avoiding the need for hydrogenation and eliminating trans fats.


Vistive Gold is said to have the lowest saturated fat of any soybean oil (60 per cent less than normal soybean oil) with zero trans fat. It also contains 85 per cent less saturated fat than palm oil, one of its main competitors. Testing has shown it to have excellent stability and flavour.


The US Food and Drug Administration has completed its inquiries on both products, which received a 'Generally Recognised As Safe' classification. The US Department of Agriculture is considering an application for deregulation of the soybeans from which the oils are extracted.


There are other high oleic oils, including olive oil, but they each have their own flaws. The bottom line is that the introduction of Vistive Gold and Plenish will reduce the saturated and trans fat intake of many people, particularly those who buy fried food.

For at least the next two decades there will be a flow of genetically modified crops that are not only cheaper to grow, better for the environment and easier to process, but also safer, healthier and more enjoyable to eat compared to conventionally bred varieties."

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