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Hairyloon

Cold Pressed Rapeseed Oil.

Tesco Finest cold pressed rapeseed oil is described as:
Quote:
This British rapeseed oil comes from specially selected seeds which are picked at optimum maturity. The seeds are cold pressed at low temperatures and triple filtered to give maximum purity to this stunning golden oil with a smooth, subtle flavour.


Can anybody tell me what is different about this and what I am about to start making?
Assuming of course that I "triple filter", which at a guess means course, medium and fine... though I'm not yet sure what to filter it with. Confused
RichardW

Did you "specially select" the seeds for "optimum maturity"?
Rob R

Did you "specially select" the seeds for "optimum maturity"?


Sshhh, it's hard work, with those tweezers Laughing
12Bore

Mix in some poppy seeds for opium maturity.
Everyone needs a USP! Wink
Hairyloon

Did you "specially select" the seeds for "optimum maturity"?

Read it again: It doesn't specify what their selection criteria are.
I specially selected mine: there was a whole warehouse full to choose from... Wink

And I might be wrong, but aren't most crops harvested at optimum maturity?
Rob R

All rape crops are also either chemically desiccated or mechanically swathed to ensure 'optimum maturity'. So few words on a label, and even less meaning. Rolling Eyes Hairyloon

All rape crops are also either chemically desiccated or mechanically swathed to ensure 'optimum maturity'.
I weren't sure what you meant by that, so I looked it up...
Quote:
swathe 1 (sw, swô, sw)
tr.v. swathed, swath·ing, swathes
1. To wrap or bind with or as if with bandages.
2. To enfold or constrict.
n.
A wrapping, binding, or bandage.

Confused
Rob R

Try Google;

Quote:
Noun

1. A row or line of grass, grain, or other crop as it lies when mown or reaped.
2. A strip left clear by the passage of a mowing machine or scythe.
Nick

I imagine even I could design a spreadsheet of cost v profit, to allow me to specially select at optimum maturity. Mistress Rose

I get local grown cold pressed rape seed oil for cooking from someone in the farmers market. Is yours food grade or do you not worry about the hygiene levels? Hairyloon

I get local grown cold pressed rape seed oil for cooking from someone in the farmers market. Is yours food grade or do you not worry about the hygiene levels?
Ooh you cheeky minx.
I crush it with the same hammer that I use for smithying, so it is regularly sterilised. Rolling Eyes

But seriously, I haven't made any yet, and a hygenic premesis is one of the main sticking points... since you seem to have heard about the state of my kitchen, I was thinking maybe the garage?
Mistress Rose

Sorry, with your other threads I am not sure if you are doing this for kitchen use or something to do with your biodiesel. Nick

Feh, you say truck engine fuel, I say extra virgin, estate linked first pressing organic salad dressing.

Po-tay-to, po-tah-to. Wink
Hairyloon

Sorry, with your other threads I am not sure if you are doing this for kitchen use or something to do with your biodiesel.
I was only messing, considering the general state of my kitchen it was a fair question... though the link should've given you a clue. Wink

But I don't see much sense in making fuel out of good cooking oil when the fuel is just as good after you've cooked in it first.
chickenann

The main difference is that they have lawyers to check their claims would get past trading standards and you don't. Hairyloon

The main difference is that they have lawyers to check their claims would get past trading standards and you don't.
Who are "they"?
And why should I need lawyers to get my claims past trading standards?

Not that I'm making any claims at the moment: I've concluded that the press is badly flawed...
chickenann

"they" = Tesco (as the quote you were talking about was from their packaging/marketing stuff)
Their claims that the seed is "specially selected" at "optimum maturity" - I would guess that it would be difficult to prove that this is true for all bottles in all cases.
Hairyloon

Their claims that the seed is "specially selected" at "optimum maturity"...
As I think I said, most crops are selected at optimum maturity, but "specially selected" implies something above and beyond normal... I wonder what is special about it. Confused

ETA, I've just emailed to ask.
Hairyloon

ETA, I've just emailed to ask.
I've had an email back which amounts to "erm, I don't know, hang on I'll try and find out..."
Rob R

You could always tweet them, although they do seem more bothered about Downton Abbey at the moment. Confused Hairyloon

You could always tweet them, although they do seem more bothered about Downton Abbey at the moment. Confused
No, I do believe they are working on it...

I suspect it is just marketing drivel which they never expected to get asked about, so now they have to think up something convincing...
Hairyloon

I've got an answer.
Apparently they have a taste test to choose the suppliers, and a quality test at the seed store before pressing.
DorsetScott

I've got an answer.
Apparently they have a taste test to choose the suppliers, and a quality test at the seed store before pressing.

I wonder how many phrases we could come up with for your product HL. Yours could be "specially selected" too, but sure we could get something even catchier
Hairyloon

I've got an answer.
Apparently they have a taste test to choose the suppliers, and a quality test at the seed store before pressing.

I wonder how many phrases we could come up with for your product HL. Yours could be "specially selected" too, but sure we could get something even catchier
Do you think it would still count as "selected by hand" if I used a shovel?
DorsetScott

I've got an answer.
Apparently they have a taste test to choose the suppliers, and a quality test at the seed store before pressing.

I wonder how many phrases we could come up with for your product HL. Yours could be "specially selected" too, but sure we could get something even catchier
Do you think it would still count as "selected by hand" if I used a shovel?

Even better, "carefully selected by hand"

Point and speak to them before you shovel....

"Those ones" *point* "Careful now" *shovel*
"Those ones" *point* "Careful now" *shovel*
Hairyloon

Well I reckon the press I bought was a lemon: I could not get the yield up over about 15% no matter what I did.

So I tried modifying the press: that sort of worked: I got a much improved yield, but the modifications could not take the strain. The press is at the engineer's now...

But that still leaves me a problem: the improved yield has also given me much finer particulates in the oil: it comes out a mucky grey colour rather than a nice golden yellow.

I've left it to settle for a few weeks with minimal effect, and I've put it through a 1 micron filter and it still looks mucky.

I've not (yet) found a sensible supplier of filters less than 1 micron...

Any ideas?
RichardW

Could it be the metal wearing itself making the greyish gunk? Hairyloon

Could it be the metal wearing itself making the greyish gunk?
That had not occurred to me... I'll go get a magnet in a moment.

But I don't think so. I am fairly sure that it is just ground up seed...
Lloyd

I'd be very interested to see some pictures of the process. Hairyloon

I'd be very interested to see some pictures of the process.
I'd probably best take some... When I start processing again. Confused

I have a couple: I'll dig them out later.
Nick

Well I reckon the press I bought was a lemon: I could not get the yield up over about 15% no matter what I did.

So I tried modifying the press: that sort of worked: I got a much improved yield, but the modifications could not take the strain. The press is at the engineer's now...

But that still leaves me a problem: the improved yield has also given me much finer particulates in the oil: it comes out a mucky grey colour rather than a nice golden yellow.

I've left it to settle for a few weeks with minimal effect, and I've put it through a 1 micron filter and it still looks mucky.

I've not (yet) found a sensible supplier of filters less than 1 micron...

Any ideas?

http://forum.downsizer.net/viewtopic.php?p=1364691#1364691

One micron is huge in some places.
Hairyloon

Any ideas?

http://forum.downsizer.net/viewtopic.php?p=1364691#1364691

One micron is huge in some places.
Thanks. I did look for that thread earlier... Ok, not very hard. Embarassed
Can't actually open that site on this phone though. I'll look at it later.
Hairyloon

I'd be very interested to see some pictures of the process.
Ok, this is the business end of the press, just after a session of pressing:


And this is it without the barrel:
Lloyd

looks a serious bit of hardware. Hairyloon

looks a serious bit of hardware.
Fairly serious... be nice if it worked. Mad

I suppose that's the problem with buying off some dodgy bloke you found on eBay.
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