CBD, also known as cannabinol, is one of the many cannabinoids found in cannabis plants and is welcomed by more and more people because of its range of medicinal properties. Investors extracted CBD from cannabis plants and processed and produced them into various CBD products such as CBD oil, CBD syrup, CBD food, and CBD beverages.

The most popular and popular product now is CBD oil, which can alleviate and treat a variety of diseases and improve health by affecting the operation of the endocannabinoid system. The content of THC in legal CBD oil is usually very low, it will not make you high, and the CBD can also reduce the mental effect of THC.

In view of the many benefits of CBD, CBD extraction is a highly concentrated form of cannabinoids suitable for people’s use. Therefore, it is necessary to use plants with high CBD content for extraction such as special cannabis lines or cannabis plants. Different plants extract different CBD oils.

CBD oil extracted from cannabis plants and medical cannabis

CBD oil can usually be extracted from cannabis plants and medical cannabis. The CBD oil extracted from these two plants is different. The most important and most important difference between the two is the CBD and THC content in the produced CBD oil. First, let’s look at the difference between the two compounds.

THC and CBD

THC is a compound found in cannabis that causes mental effects but does not cause mental effects in CBD. THC has many opposite effects, and in recent years this compound has attracted more attention. Although CBD and THC are similar because they are both cannabinoids, CBD is legal, and THC is still under legal control in most places.

THC has many negative effects, such as its relevance to psychological disorders. The CBD does not involve any such negative effects. Because of their similar composition and source, it is easy to confuse these two compounds.

the difference

Cannabis contains the lowest concentration of tetrahydrocannabinol and the highest concentration of CBD. Medical marijuana is specially grown for its high THC content. For this reason, when you buy CBD oil instead of hemp oil made from medical marijuana, the amount of THC you get in CBD oil is negligible. Therefore, CBD oil does not cause the mental effects associated with THC and can avoid many negative effects.

Another benefit of using cannabis plants to extract CBDs instead of medical cannabis is that these legal plants are commonly used to produce other products, such as paper and clothing. Typically, CBD is a by-product of such manufacturing. Therefore, the production of CBD oil from cannabis plants actually involves recycling, which is conducive to environmental protection.

Special strains such as AC/DC and Charlotte’s Web have higher CBD concentrations (up to 18% in some cases) and low THC concentrations (down to 5%). You need a favorable ratio of CBD to THC because even in the case of a plant with a THC concentration of up to 6%, the ultra-high CBD content should be promising to make the psychoactive effect of THC inert.

Various industrial cannabis varieties are another way to extract CBD. They are legally grown around the world in several countries including India, China, and Western Europe. One of the most popular industrial cannabis varieties is Fedora 17 because it has a very low THC content, which means that any CBD extracted from it has almost no psychoactive effect.

CBD oil made from hemp is legal in almost every country, including all 50 states in the United States, because the THC content in CBD oil is negligible.

CBD oil can be extracted in different ways including carbon dioxide method, ethanol method, oil method and so on.

1.Carbon dioxide method:

Carbon dioxide is injected into the CBD extraction equipment at high pressure and low temperature to extract the CBD in the purest form. This process is generally considered to be the best and safest method of extraction because the CBD oil extracted in this way is the cleanest extraction method, the resulting CBD oil has a cleaner taste, and the extract does not contain chlorophyll and Other residues. The only drawback to this approach is that it is expensive.

Simply put, the principle of carbon dioxide cannabis extraction is the extraction of CBD (and other phytochemicals) from plants using pressurized carbon dioxide (CO2). At a specific temperature and pressure, carbon dioxide acts like a solvent that dissolves marijuana without any danger. Although this method is safe and effective, it also involves extremely expensive equipment. A fairly complex machine used in this process freezes carbon dioxide gas and compresses it into a supercritical cold liquid.

Carbon dioxide takes the form of a gas at standard pressures and temperatures, but it easily turns into a solid, the dry ice we usually talk about. In the laboratory, the above-mentioned equipment is used to reduce the temperature below -69 degrees Fahrenheit and increase the pressure to more than 75 pounds per square to convert the carbon dioxide gas into a liquid state, thereby making carbon dioxide the starting material state for extracting cannabis.

Once liquid carbon dioxide is obtained, the next step is to increase the temperature and pressure to the point where the liquid can be converted to “supercritical”. This term means that carbon dioxide can now use both intermediates between gas and liquid. In fact, supercritical CO 2 can fill a container (such as a gas) while maintaining density (such as liquid). When carbon dioxide is in a supercritical state, it is ideal for chemical extraction because it does not cause denaturation or damage, making it unsuitable for human consumption.

The specific process is as follows:

According to the above procedure, carbon dioxide is converted into a supercritical state, and supercritical carbon dioxide is injected into a container in which hemp is extracted so that the trichomes and terpenes in the plant are separated into a collecting container. At the same time, the supercritical carbon dioxide is returned to the liquid state through the condenser. The final liquid enters a special tank and can be reused.

Pros and cons of extracting CBD oil from carbon dioxide cannabis

Advantage:

  • Safety: CO2 is a common food additive with no side effects to ensure safety.
  • Effectiveness: Carbon dioxide has been used as an extraction solvent, and food companies have used carbon dioxide to remove caffeine from coffee for many years. It is also used as an extraction solvent when producing essential oils.
  • Purity: The CBD oil obtained by this method does not contain chlorophyll and has the least risk of contamination.

Disadvantages:

  • Expensive: The use of carbon dioxide extraction can only be done with extremely expensive equipment.
  • High technical capacity requirements: Carbon dioxide cannabis extraction requires specialized personnel and equipment.

2.Extraction by ethanol:

High-alcohol alcohol can be used to extract CBD oil, which can be used as a solvent for alcohol. When we extract CBD from cannabis plants, ethanol dissolves the active compounds in cannabis plants. And ethanol is called a polar solvent, which means it is a hydrotrope and binds to the water-soluble elements of plants. In addition to extracting cannabinoids and terpenes, ethanol extraction can extract many other components of the plant to create a full-spectrum product. However, the disadvantage of this method of extraction is that it destroys some of the beneficial natural oils present in the material.

3.Olive oil

This method of extracting CBD oil is becoming more and more popular, mainly by carrier oil extraction, and olive oil is the most commonly used oil. The reason for this popularity is the added benefit of the nutrients in the oil used and it is safe and residue-free.

The first step in extracting CBD oil from olive oil is to ensure that the raw plant is decarboxylated, which means that you must heat the plant at a specific temperature for a period of time to activate the plant’s chemicals.

Most experts recommend heating at 248 degrees Fahrenheit for 60 minutes or at 284 degrees Fahrenheit for 30 minutes. After completing this step, add the plant material to the olive oil, heat for 1-2 hours, raise the temperature to 212 degrees Fahrenheit, and extract the CBD to get the CBD oil you need.

Advantages and disadvantages of extracting CBD oil from olive oil

Advantages:

  • Security: Using this method to get the CBD is very secure.
  • Low cost: The olive oil and heating equipment used throughout the process is cheap.

Disadvantages:

  • Perishable: Regardless of whether your marijuana-infused oil is high in the CBD or THC, it is highly perishable, so you must store it in a cool place to use as soon as possible.
  • Low production: This extraction method can only get a small amount of CBD oil, which is not suitable for the company.

It is important to understand how various types of CBD oil are extracted, as this is related to the final product quality, which also affects the health of the user. The method of ethanol extraction is not recommended because of its high-risk index and harmfulness. The method of extracting carbon dioxide is the safest and most environmentally friendly, but the cost is too high for large companies to produce. If you want to make it yourself, you can choose the way of olive oil. Perform extraction.

This article only mentions several ways to extract CBD oil. If you have more information about CBD extraction, you can contact us.

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