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<pre>Michael

This is almost impossible. I have never seen this yield in my life.
What you are saying is that your olive's yield was ~ 41%. No way.

I am very sure you have an error some where. Plus, could you clarify
the batch size that you pressed to get these results?
In other words, how many kilos of Olive did you press?
What type of press did you use?

Are you sure that press operator didn't make a mistake? This could
happen when operators forget to close one section of the malaxing
machine, or forget to shut the mono-pump, etc. These errors could
have caused other people's olive to mix with yours, thus increasing
your olives and decreasing the olives of the unlucky farmer behind
you.

Also, if the oil separator gets dirty, it starts pouring vegetable
water out with the oil, and that also could have increased the weight
but, of course not the quality of the oil.

I would like to get all the facts about your experience.

Our family olive, for example, an oil variety - baladi-planted
between 1925-1960, yields between 22%-30% by weight every year. 33%
is the best yield I have ever seen.

Best regards
Jamal Sadoun

>2002 harvest we are pressing 2.45 kilos olive to get 1 kilo of oil.
> Cheers
> Michael
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<pre>Hello Jamal. My village average pressing is 3 kilos olives to 1 kilo of oil,
from only 1 type of tree. 2001 average was 2.65 to 1. 2002 average is 2.45
to 1. 100% Pure Organic Extra Virgin Olive Oil. Our trees date back over
3000 years. We have very dry summers and very wet winters. But it never gets
below 40degrees. Our soil is 80%sand and 20% soil. We are located right at
the foot hills of a mountain, and we have natural underground springs. All
we due is prune, till and clean our lovely trees.
My family has about 600 trees of which we pick about 300 a year. We also
have hondro elies( just for eating).
My village of 170 familys press 290,000 kilos of oil, 10prcent we keep for
our families and the rest we sell to Italy, Spain, France, Purtg., U.S.A.
ect. Send me an address and I can send you a sample. Its the best tasting
and purest unblended in the whole wide world peroid.. You wont believe the
taste. Our family, friends and reletives take turns working at the village
press.
Cheers
Michael
----- Original Message -----
From: "jamalsadoun" <jamalsadoun@yahoo.com>
To: <OliveOil@yahoogroups.com>
Sent: Saturday, February 02, 2002 1:15 AM
Subject: [OliveOil] Re: Oil Yield


> Michael
>
> This is almost impossible. I have never seen this yield in my life.
> What you are saying is that your olive's yield was ~ 41%. No way.
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<pre>>Michael

>This is almost impossible. I have never seen this yield in my life.
>What you are saying is that your olive's yield was ~ 41%. No way.

41% is rather unbelievable.

My grove - mainly Verdale produced around the 15% mark last year.

Russell
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<pre>michael sideris wrote:

> Hi Claudio. Can you please explain that ratio in a different way. I dont
> understand it. In my village we go by how many kilos olive make 1 kilo of
> oil. 2002 harvest we are pressing 2.45 kilos olive to get 1 kilo of oil.

The ratio is not very difficult to understand. Your way of stating it
uses one kilo of oil as the base, the way Claudio states it (and the
more common one, I believe) is to use one kilo of olives as the base and
calculate how much of the original weight of olives was oil. That means
that your ratio (2.45kg olives per kg of oil) equates to a return of
1kilo of oil divided by 2.45kilo olives to create it - a percentage of
40.8%.

Claudio's percentages mean that the average was 15.48 kilo oil from each
100 kilo olives (which is 6.46 kilo olives to make one kilo oil) with a
range of 11.00 kilo up to 4.93 kilo per kilo oil.

Quite frankly, the percentage return is, to my mind, a much easier
figure to work with and it makes the comparisons between groves, and
between cultivars, much easier.

Cheers
John Attwood
Tamworth
(Northern) NSW Australia

> ----- Original Message -----
> From: "Claudio Pellegrino" <pellegrinocl@biomed.unipi.it>

------------- snip ------------------------------------------ snip
------------------------

> > Mill: Alfa Laval continuous one. The average yield for the last ten
> > years (EVOO with FFA ca 0.3 %) was 15,48 % with range 9.09-20,27
> > %.Claudio Pellegrino
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<pre>Dear Micheal,
Yor ratio seems also unreachable to me. Where is your place in Greece.
Our avarage yield is 4.5 Kg Olive makes 1 Kg Oil.
Place Southwest of Turkey - Milas
Regards,
Osman Mentese
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<pre>Hello Mr Attwood. Thank you for making ( ratio ) easy to understand. We just
got finished pressing our olives. We picked by hand 1100 kilos of olives. We
pressed 449 kilos of olive oil. Like you said Mr Attwood .40% olive oil.
Have you ever heard of the Athenolia ( olive tree ). That is the only tree
we have in my village.
Thanks again, good luck.
Michael
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<pre>Jamal, the only way these people can even get near these yields is if they
have varieties that almost completely dry up on the tree, losing all or most
of their water, ending up like shrivelled prunes. If they have only just
finished pressing, then they are abviously leaving the fruit to become very
ripe.

This is totally contrary to the methods used by those that strive to produce
a high quality oil. Oil made from overripe olives generally has a poorer
shelf-life, is blander in taste to start with, and loses its character
rather quickly, due to its low phenolic content and the high enzymatic and
auto-oxidative degradation of the oil in the "well-aged" olive.

But tastes differ, and if you've been doing something for 3000 years, you're
not likely to take kindly to new thinking.

1100 Kg of olives from 600 trees is certainly no record, and I would be
inclined to believe that they are picking "prunes".

A better way of looking at this instance would be to examine the yields in
terms of oil produced per hectare (or acre). Here they'll fall far short of
those that harvest 10 tons of olives per hectare, even at less than 10% oil
yield!!

Otherwse this guy is just having us on!

Regards,

Guido

Original Message -----
From: "jamalsadounSent: Saturday, February 02, 2002 8:15 AM
Subject: [OliveOil] Re: Oil Yield


> Michael
>
> This is almost impossible. I have never seen this yield in my life.
> What you are saying is that your olive's yield was ~ 41%. No way.
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<pre>Hi Michael, thank you for your question. 15.48 % oil yield means that
100 kg olives give 15.48 kg of oil. Therefore dividing 100 by 15.48 one
gets 6.460 which are the kg of olives which give one kg of oil. By the
same calculation the range ( i.e. the minimum and maximum yield values
observed here ) becomes 11.0-4.933 kg of olives per kg of oil.

By the way, the books that I have report yields for the Italian
cultivars varying between 18 and 28 %, which corresponds to 5.55-3.57
kg of olives for one kg of oil. Your yield data for an island of Greece
are intriguing and one explanation could well be that given by Jamal
Sadoun.Best regards. Claudio Pellegrino, Calci, Pisa, Italy."

Since I believe it was not received I send it again.Cheers.Claudio
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<pre>Hello Guido. No we dont pick prunes. We pick Athenolia olives at pick
ripeness. Why dont I send you a picture so you can take a close look. We are
all small scale farmers. About 170 people. And we help each other. We dont
use any chemicals. We are expert prunners. We only prune on a purticular
part of the month ( follow the moon cycle). Well here take a look.
Cheers
Michael
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