How long is oil good for?



D

Default

Guest
I'm using canola oil in a deep fry machine to make french
fries... how long should I keep/reuse the oil? Is it more a
function of use or time? Is there an easy way to tell when
the oil needs to be changed?
 
Default <[email protected]> wrote in
news:[email protected]:

> I'm using canola oil in a deep fry machine to make french
> fries... how long should I keep/reuse the oil? Is it more
> a function of use or time? Is there an easy way to tell
> when the oil needs to be changed?
>

If the oil smells off. If the oil smokes excessivly. If the
oil is way darker than when it frirst went in the deep
fryer and if the oil has absorbed a flavour from the foods
cooked (ie fish). Canola oil is normally good for about a
year. But frying at temps near it's smoking point lowers
it's smoking point.

--
Once during Prohibition I was forced to live for days on
nothing but food and water.
--------
FIELDS, W. C.
 
hahabogus wrote:

> If the oil smells off. If the oil smokes excessivly. If
> the oil is way darker than when it frirst went in the deep
> fryer and if the oil has absorbed a flavour from the foods
> cooked (ie fish). Canola oil is normally good for about a
> year. But frying at temps near it's smoking point lowers
> it's smoking point.

Does the oil have to be refrigerated?

~john
 
Levelwave© <[email protected]> wrote in
news:[email protected]:

> hahabogus wrote:
>
>> If the oil smells off. If the oil smokes excessivly. If
>> the oil is way darker than when it frirst went in the
>> deep fryer and if the oil has absorbed a flavour from the
>> foods cooked (ie fish). Canola oil is normally good for
>> about a year. But frying at temps near it's smoking point
>> lowers it's smoking point.
>
>
> Does the oil have to be refrigerated?
>
> ~john
>
>

No, just store the oil in a cool place out of direct
sunlight.

--
Once during Prohibition I was forced to live for days on
nothing but food and water.
--------
FIELDS, W. C.
 
Default wrote:
>
> I'm using canola oil in a deep fry machine to make french
> fries... how long should I keep/reuse the oil?

Those are two VERY different questions.

Canola oil in the original sealed container will last years.
After opening unused canola oil still in the container will
last a few years.

The best length of time to use oil in a deep frier is once.
Every time oil is heated it has more transfats. So ideally
use as little as you can and change it daily. As a practical
matter consider changing some of it daily. The more you
change the better the fries.
 
In article <[email protected]>,
Default <[email protected]> wrote:

> I'm using canola oil in a deep fry machine to make french
> fries... how long should I keep/reuse the oil? Is it more
> a function of use or time? Is there an easy way to tell
> when the oil needs to be changed?

Summary of info from "How to Read a French Fry":

avoid oxygen, light, and moisture--store in the smallest
container it'll fit in, and in a cool, dark place.

Discard when the smoke point drops to close to the frying
temperature, or when it develops off-odors, or becomes
noticeably darker than unused oil.

The book also recommends adding a tablespoon of old (not
rancid) oil to each cup of new--saying that brand-new oil
doesn't cook as well as oil that's broken in a little.

--
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