Gingerol is the chief constituent of ginger oil. It is being extracted from the rhizome of the ginger plant Zingiber officinale. Ginerol and its dehydrated derivative, Shogaol are the primary biologically active compounds extracted from ginger. Gingerol is chemically similar to Capsaicin, the substance responsible for the spiciness in chillies. Physically, Gingerol is found as an yellow oil and also can be crystallized into solid with low melting point.
Ginger has been found useful in lessening gastrointestinal discomforts. It also has anti-inflammatory properties and is also found to boost the immune system.