Althaea officinalis boiled and fried. The root extract (halawa extract) is sometimes used as flavoring in the making of a Middle Eastern snack called "halva". The later French version of the recipe, called ' (or ' for short), included an egg white meringue and was often flavored with rose water. "" more closely resembles contemporary commercially available marshmallows, which no longer contain "Althaea officinalis". Chemical constituents include altheahexacosanyl lactone ("n"-hexacos-2-enyl-1,5-olide), 2β-hydroxycalamene (altheacalamene) and altheacoumarin glucoside (5,6-dihydroxycoumarin-5-dodecanoate-6β--glucopyranoside), along with the known phytoconstituents lauric acid, β-sitosterol and lanosterol. Althaea officinalis Althaea officinalis, or marsh-mallow, is a perennial species indigenous to Europe, Western Asia, and
Melilotus officinalis capacity in poor soils. Sweet clover is a major source of nectar for domestic honey bees as hives near sweetclover can yield up to 200 pounds of honey in a year. Sweetclover has been used as a phytoremediation—phytodegradation plant for treatment of soils contaminated with dioxins. In the chemical industry, dicoumarol is extracted from the plant to produce rodenticides. When "M. officinalis" is invasive, it can be managed by mulching, hand-pulling, mowing, or herbicide applications such (e.g., 2,4-D) before flowering. Prescribed burns in late fall or early spring followed by another burn in late spring can reduce the number of