Day 9: These past days have been a real test of patience. The yield each day is around 0.5 gram

[Ouddict.com] Nha Trang Special - The Distiller’s Diary
 
This is only the first batch of 3 kg, right?
That’s right. It’s still the 3 kg Nha Trang chips. I’m waiting to pull the oil for the second run.
 
Everyone, I managed to convince @An Agarwood to part with some of this wood for heating/burning. I can’t wait, because then I’ll have both the oil and the wood. I’m sure Bac would be willing to part with some to you as well!
 
It sounds like there may be around 11-12g so far, with the yield being 0.5g each day. Not sure how long the distillation with take, but I'm speculating that in the end, it probably will be less than 20 grams, or right around there. So roughly less than 1% yield by weight 😱
You are right, after 12 days of distillation I can already confirm that the final result will not exceed 20 grams oil.

In conclusion, although Nha Trang chips have been cleaned of the white wood, look nice, and smell good when burned, the distillation yield is not high. This shows that the wood still contains a lot of oleoresin and other non-volatile aromatic compounds.

Previously, I distilled ant-wood chips from another origin ( see pic), they did not look as good and were much cheaper, yet 1kg of wood still yielded 6 grams of oil.
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You are right, after 12 days of distillation I can already confirm that the final result will not exceed 20 grams oil.

In conclusion, although Nha Trang chips have been cleaned of the white wood, look nice, and smell good when burned, the distillation yield is not high. This shows that the wood still contains a lot of oleoresin and other non-volatile aromatic compounds.

Previously, I distilled chips from another source ( see pic), they did not look as good and were much cheaper, yet 1kg of wood still yielded 6 grams of oil.
View attachment 49860
Maybe one of the alcohol extraction processes is a possibility to further juice the wood?
 
Maybe one of the alcohol extraction processes is a possibility to further juice the wood?
Alcohol extraction will result in a product with a tar-like texture. It is not considered an essential oil, because the solvent changes the nature of the material, what you obtain is more of a resinous extract rather than pure distilled oil.
 
As the forum owner, I hereby commandeer this entire batch for… umm inspection. 😅

Count me in as a buyer, unless the demand already exceeds the batch size.
I feel under pressure with this proposal 😅. To be fair to everyone, I have decided to keep the oil for myself and pass it down to the next generation. One day I will tell them: Thanks to the founder of Ouddict, you now have Nha Trang Special to enjoy!
 
As the forum owner, I hereby commandeer this entire batch for… umm inspection. 😅

Count me in as a buyer, unless the demand already exceeds the batch size.
@An Agarwood has 30 kg of the wood, so this is just the first of the batch 🙂

@An Agarwood Bac, have you tried supercritical extraction? Of course it is not the same as steam distilled, but I am just curious and not suggesting you try a different method of distraction for these batches.
 
@An Agarwood has 30 kg of the wood, so this is just the first of the batch 🙂

@An Agarwood Bac, have you tried supercritical extraction? Of course it is not the same as steam distilled, but I am just curious and not suggesting you try a different method of distraction for these batches.
I have tried supercritical CO2 extraction with other materials. The yield was higher compared to steam distillation. But when it comes to enjoying the aroma, I prefer steam, the oil reveals far more nuances.

I believe CO2 has a stronger advantage when applied in the pharmaceutical field.
 
I feel under pressure with this proposal 😅. To be fair to everyone, I have decided to keep the oil for myself and pass it down to the next generation. One day I will tell them: Thanks to the founder of Ouddict, you now have Nha Trang Special to enjoy!
Best answer possible lol
 
I have tried supercritical CO2 extraction with other materials. The yield was higher compared to steam distillation. But when it comes to enjoying the aroma, I prefer steam, the oil reveals far more nuances.

I believe CO2 has a stronger advantage when applied in the pharmaceutical field.
I thought you might say that. Also, it's important (I think) to remember that yield is just one part of the equation. There's also how strong and complex the fragrance is and how long it lasts. And you may very well get way more yield in future batches.
 
Does the CO2 extraction contain molecules which do not contribute to Oudh oil aroma profile? Perhaps even molecules capable of fixing the lighter Aromatics which is not desirable for this product....
While the additional constituents increase overall yield, does the CO2 extraction increase yield of desirable components? Has anyone calculated the differences?
 
Alcohol extraction will result in a product with a tar-like texture. It is not considered an essential oil, because the solvent changes the nature of the material, what you obtain is more of a resinous extract rather than pure distilled oil.
Yes, I would think the result would be a thick resinoid-type substance. You have no thought to redilute this type of substance in alcohol at a % to use in a French style perfume? Perhaps, you do not use alcohol in your perfumes though......In that case, it could be very interesting to dilute the result in a rather neutral essential oil like cabrueva, a classic combination like sandalwood or a very blendy option like clary sage.
 
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