Does all hydrogenation produce trans fats?

No, only partial hydrogenation does it. You’ve heard that term before, I’m sure. Why are liquid oils only partially hydrogenated? Because the more you hydrogenate fatty acids, the more hydrogen atoms you add to those hydrocarbon chains, the firmer the fat gets. Fully hydrogenated cottonseed oil, for example, is so uniform and crystallizes so well, […]

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Trans Fats: Episode 2

So then what, in technical terms, is a trans fat — really? And in what way is it different from other, more common fats? To answer this question, we must return to that “E”-shaped triglyceride molecule I mentioned last week. As you’ll recall, triglycerides are “E”-shaped because they’re composed of a molecule of glycerol with […]

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In these recessionary times…

…it’s good to know there’s somebody out there swimming upstream against the whole thing, throwing fat wads of cash to the four winds. That man is Nick over at imafoodblog.com, who dined with all the humility and restraint of a rubber baron this past weekend, with his Kobe beef carpaccio with shaved black truffles and […]

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Trans Fats: Episode 1

You know enough about fats and frying now to know why solid fats are valuable to the food (and especially baking industry). Solid fats are durable and far less prone to both “weeping” and rancidity than liquid oils. Which means foods that contain them are less prone to spoilage, and that’s good for pretty much […]

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Now I’ve done it.

I went and mentioned trans fats, which means I’m getting a lot of mail, some of it from people who are angry that I’m not angry about trans fats, some of it from people who just want to know what trans fats are. Since I’m not someone who enjoys controversy very much (even though I […]

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The Awful Truth

Reader Matt wrote in over the weekend to ask: I read your post “The True Sinker” and it made me wonder. According to your other posts on fry oil, only oil that’s pretty far gone soaks into food that fast. Does this mean most doughnut shops don’t change their oil very often? Actually, Matt, the […]

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