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November 21, 2020 7 min read
You may heard of Oud oil, Agarwood oil from some forums, groups or friends. On many niche perfume, you also saw the word Oud on the label. Some people love it, many does not like it. So today, I will show you a bit about Agarwood Oil.
Agarwood oil is the oil that made from Agarwood.
Agarwood is harvested from infected Aquilaria trees.
Aquilaria trees are grown in many places. One of that many places is our plantation in Binh Phuoc Dong Xoai Vietnam.
Welcome to our plantation
Below is a 15 year-old Aquilaria Crassna tree
There are two main colour of this wood log: white and brown. White is healthy wood and brown is agarwood.
We cut these wood logs down further and grind them into small pieces, like the below
This is the old-school way and it is still the most popular way to get agarwood oil.
Here is the summary of how agarwood essential oil is distilled
Source: Tongnuanchan, P. and Benjakul, S. (2014), Essential Oils: Extraction, Bioactivities, and Their Uses for Food Preservation. Journal of Food Science,
Please note, Agarwood oil produced by this method is not classified as essential oil. Many people called it CO2 extracted Oil.
From the brief information above, you know what Agarwood oil is. You now wonder how it smell like?
If you had good experiences of trying Oud (or Agarwood) oil before, then congratulations on the experience.
If you had unpleasant experiences of trying Oud oil, and wonder why, then I will explain it. You will know what to do for a better experience next time. Sound fair?
Agarwood oil has many uses. People mainly use it for scent appreciation so I will discuss about the odour of it. To begin, we can talk about skunk's odour.
Skunks are nocturnal animals and they tend to avoid animals and pets.
However, if a skunk encountered a dog, it might do a “handstand” to warn that dog. If the dog charged, it would spray an odorous yellow liquid that scare him away. If this liquid hit the dog, the dog would never forget and possibly avoid skunk at all cost.
One of the compound that caused the rotten egg smell is called “hydrogen sulphide”.
Hydrogen sulphide is often associated with the decomposition of organic material. In other words, something is in it decomposing state, it will emit this smell.
When you smell this odour, your brain will tell your body something is not right. Something is rotten around. To your brain, it is a sign of danger. Your brain tells your body to avoid it.
If you are in a lift and smell this odour, you will look around and think “Who is pooping?” because “poop” also has Hydrogen sulfide。
Because of all the negative experience of this odour, you are less likely to enjoy it or any products associated with it. This will explain my next point
To distil Oud oil, a distiller needs to submerge pulverised agarwood wood for a period of time. This period can be between 3 days to 1 month or even longer.
With barnyard Oud, the submersion period will usually be around 1 month.
If you submerged pulverised wood underwater for a month, the wood would start to decompose by many microorganisms in the water.
When the wood decomposes, it will produce hydrogen sulphide and many other odour molecules. When you breathe in these odorous molecules , your nerves tell your brain that you are smelling decomposing stuff. It tells your brain you are not safe.
You feel disgusted as a result.
Barnyard Oud oil is the Oud oil that has this rotten note.
The smell of rotten wood may turn you off because you perceive this scent as a danger, your subconscious brain tells you this is not safe. You see this oil as dirty, yucky, unhygienic so you don’t like the experience of it
In the article - "People sometimes like stinky things", Engelhaupt (2015) sum it up: "safe threat".
Yes, the threat need to be safe to do it.
The Corpse flower which smells like corpse, mimics the stench of dead, rotting animals. The scent attracts pollinators like flies and beetles that lay their eggs on carcasses.
In Indonesia, Malaysia, Thailand and Vietnam, there are several things in common. The first common: all of these countries have excellent Agarwood. And secondly, all of these countries also have the smelliest fruit: Durian.
Many people said durian is smelly and some even said it smells like poop. But some people also called it "The King of Fruit".
Good quality "smelly" durian usually has an average price of $27 AUD per kg. A durian typically weighs around 3 kg or $81AUD for each Durian.
People love these stinky aromas because they have a positive experience with them. And most importantly, it is safe to enjoy them.
Oud oil is no exception. Many people love "stinky" oud oil because it reminds them of a happy time. And they know it is safe to use these oil.
"Decomposed oud oil" is distilled from decomposed oud wood. When wood is decomposed, it has many bacteria. Some are harmful, others are not.
The good news is that when these “decomposed” oud wood in the distilling chamber, and turn on the heat, the temperature will be 100 degrees Celsius for many hours. For this reason, most microorganisms will die.
I am not a scientist or a chemist so I cannot confirm but I have not heard or seen any toxic cases related to barnyard Oud oil.
When distiller grind agarwood to prepare for oud oil distillation, they submerge the wood chips under water. This process is to make the wood softer and to break them down bit to release its resin.
Unskilled distiller will left the wood to rot. They don't control the environment for agarwood distillation. I will show you one image
In these plastic barrel, some of the distillers do not cover them. What happened if insects lay eggs inside these barrels?
That is right, your oil will have extra protein from maggots and larvae.
If you happen to walk close to these barrels, you will feel a stench of death. Seriously.
On the other hand, Fermented wood is wood that is fermented and there is a difference.
In the fermentation process, distillers limit oxygen by compressing the pulverised wood in a barrel and close the lid. Without oxygen, many microbes (bacteria) die. They even add some “yeast” to increase the “flavour” of the wood. The odour you smell is far different to the decomposed one.
In the decomposition process, putrefactive bacteria grow and “eat” away the good stuff in the distilling materials: agarwood wood. Because of this, you only notice “rotten” smell. In short, the wood is spoiled
In the fermentation process, the wood may have also have some “rotten” smell, but it is not rotten.Oud oil distilled from fermented agarwood will have a unique smell.
If you apply a small dab, in the first instance, you will find some pungent smell, but between 30 minutes and one hour, you will find a scent of sweet, vanillic woody oudy appeared. You notice this smell because the wood is fermented, not spoiled.
I understand, if you don’t like it, no worry, because there are still many Oud oils that you can enjoy. These Oud oils are “clean” and free of any barnyard, decomposed or fermented notes. After all, not all of us like fermented food even though it is safe to consume.
Let me introduce
This type of oil does not require “soaking” pulverised agarwood, and without soaking, there will be no decomposition, no fermentation, no pungent flavour that you don’t like.
With resinous agarwood, there is no need to soak because this method uses
CO2 as an odourless solvent, extracting all the good juices from agarwood. The result is clean, very wood Oud oil.
If you want to find out more about these Oud, we have the “Heaven Smoke” and Zen Path for you to try
CO2 extracted Oud oil: you will find it is woody and smooth. There are no harsh or pungent notes. There is no change in scent. You will experience woody notes all the way until it starts to fade. In short, the scent of Supercritical Co2 extracted Agarwood Oil is very consistent.
These oils are classified as agarwood essential oils (Supercritical Co2 extracted Oud oil is not called essential oil)
Generally steam-distilled Agarwood oil takes longer time, less yield but if done correctly, the scent profile is smoother with more complexity. If done incorrectly, the distiller may not get any oil at all.
Agarwood essential oils are more volatile than CO2 extracted oil. When you first dab it on your skin, it may be slightly pungent but after three to five minutes, these pungent notes vanish. Next you may find dried grass, herbaceous, floral, nutty fruity, peppery, and many more different notes. All of these notes will be dried down to woody eventually.
You may experience some up and down here.
At first you may not like these scents, but if you give these oils some time to reveal themselves, you will appreciate them.
In case you want to know more, you can visit our cultivated Agarwood Oil collection
So, now that you have learnt agarwood oil is produced. Which type of Oud oils would you like to try?
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