Cinnamon has a long history of use in traditional medicine. It contains several bioactive compounds with possible health effects, but there is no scientific evidence that cinnamon can treat medical conditions.
Fenugreek is used as an herb (dried or fresh leaves), spice (seeds), and vegetable (fresh leaves, sprouts, and microgreens). Sotolon is the chemical responsible for fenugreek's distinctive sweet smell.
Yellow turmeric with its bright yellow color is used as dye, medicine and flavoring agent since ages. This has a pungent smell and bitter taste. This is one of the key ingredients in many curries, giving them color and flavor.
Mustard is most often used at the table as a condiment on cold meats. It is also used as an ingredient in mayonnaise, vinaigrette, marinades, and barbecue sauce. Mustard is also a popular accompaniment to hot dogs, pretzels, and bratwurst.