There are several ways to obtain plant extracts, depending on the type of plant and the specific extract you are looking to obtain. Here are a few general steps that may be helpful:

Choose a plant that is rich in the compound you want to extract. Some plants are known to be high in certain compounds, such as essential oils, flavonoids, or alkaloids.

Harvest the plant material at the optimal time. This may depend on the specific plant and the compound you are trying to extract. For example, essential oils are often extracted from the flowers, leaves, or seeds of a plant, while alkaloids are often found in the roots or bark.

Dry the plant material, if necessary. Some plant extracts, such as essential oils, are extracted from fresh plant material, while others, such as tinctures, are made from dried plant material.

Prepare the plant material for extraction. This may involve chopping, grinding, or macerating the plant material to expose more surface area and make it easier to extract the desired compound.

Choose an extraction method. There are several methods that can be used to extract compounds from plants, including solvent extraction, steam distillation, and supercritical fluid extraction. The appropriate method will depend on the specific plant and the compound you are trying to extract.

Extract the compound from the plant material. This may involve using a solvent to dissolve the compound, heating the plant material to release the compound, or using pressurized CO2 to extract the compound.

Separate the extract from the plant material. This may involve filtering, centrifuging, or distilling the extract to remove any impurities or unwanted plant material.

Purify the extract, if necessary. Depending on the specific extract and the intended use, it may be necessary to further purify the extract to remove any impurities or contaminants.

Store the extract properly. Most plant extracts are sensitive to light, heat, and humidity, so it is important to store them in a cool, dry place in a tightly sealed container.