Sunflower oil vs HO Sunflower oil

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ImpKit

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Very basic question here... how do you know if you're buying "regular" vs high oleic sunflower / safflower / etc. oils? Is it typically listed on the package some place? Or do you have to go through vendors that advertise it otherwise what you get is just random chance?

I've only briefly looked over it at my grocery store and have shied away from considering these kinds of oils because I'm not sure how to confirm what I get... And there's also a store near me that sells an olive / sunflower mixture for cooking. Would that likely be "regular" or high oleic? The two oils have the same SAP value according to soap calc so this would theoretically be interchangeable with olive and it's actually cheaper than straight olive oil...
 

ResolvableOwl

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Is it typically listed on the package some place? Or do you have to go through vendors that advertise it otherwise what you get is just random chance?
Both. Cosmetic ingredient vendors usually name it out. But in supermarkets, it's a matter of luck if they do. Look out for the nutritional information. If it breaks down fats only in saturated/unsaturated, then you have to guess, unfortunately. But if they distinguish mono- and polyunsaturated fatty acids, then you can tell the difference. HO sunflower is very low in poly-unsaturated (<10%), HL anywhere up to 70%:
ho-hl-sunflower.jpg
The left is HL, the right is HO sunflower oil. Another indication can be the heat stability. HO sunflower is often advertised as high smoke point/deep-fry friendly. If an oil is called “fry oil” and lists sunflower oil as its ingredient, chances are not so bad that it is HO sunflower.

ETA: Same with safflower. Caution with blends of unknown composition (unprecise saponification value). HO seed oils are good and economic replacements for olive oil, see e. g. this thread. But HL oils are bad replacements for HO oils (rancidity, DOS, poor hardening behaviour).
 

ImpKit

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Sweet. Concrete information to use for judging what I can get. Many thanks!

Especially since I think the oil blend IS marketed as a fry blend. So probably an olive/HO sunflower. And getting my hands on it is less out of the way than a low cost olive, which I have to get at Walmart (not convenient in location or size).
 
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