Pistacia lentiscus is a dioecious evergreen shrub or small tree of the pistacio genus growing up to 4 m tall which is cultivated for its aromatic resin, mainly on the Greek island of Chios.

Pistacia lentiscus is native throughout the Mediterranean region, from Morocco and in the west through southern France and Turkey to Iraq and Iran in the east. Originally liquid, it is hardened, when the weather turns cold, into drops or patties of hard, brittle, translucent resin. When chewed, the resin softens and becomes a bright white gum.

Althaea officinalis (marsh-mallow, marsh mallow, or common marshmallow) is a perennial species which is used as a medicinal plant and ornamental plant. A confection made from the root since ancient Egyptian time evolved into today's marshmallow treat. The stems, which die down in the autumn, are erect, 3 to 4 ft (0.91 to 1.22 m), simple, or putting out only a few lateral branches. The leaves, shortly petioled, are roundish, ovate-cordate, 2 to 3 in (51 to 76 mm) long, and about 11⁄4 inch broad, entire or three to five lobed, irregularly toothed at the margin, and thick. They are soft and velvety on both sides, due to a dense covering of stellate hairs. The flowers are shaped like those of the common mallow, but are smaller and of a pale colour, and are either axillary, or in panicles, more often the latter

Licorice is the root of Glycyrrhiza glabra from which a somewhat sweet flavour can be extracted.There are two main methods of making licorice extract . In both methods, the roots of the licorice plants are harvested and dried, after which they are cleaned. In the first method, the licorice roots then are ground into powder, which can then be used as is or mixed with water. In the second (more modern) method, the roots are pulped and boiled, and the extract is concentrated by allowing the water to evaporate. If the extract is in dried form, it can be stored indefinitely. Liquorice or licorice  is the root of Glycyrrhiza glabra from which a somewhat sweet flavor can be extracted. The liquorice plant is a legume that is native to southern Europe and parts of Asia.

Hyssopus officinalis or hyssop is a herbaceous plant of the genus Hyssopus which is native to Southern Europe, the Middle East, and the region surrounding the Caspian Sea in Iran. Due to its properties as an antiseptic, cough reliever, and expectorant, it is commonly used as an aromatic herb and medicinal plant.