Hoisin sauce can be used as a marinade sauce for meat such as barbecued pork. Another popular marinade is sweet soy sauce mixed with coconut oil or palm margarine. The popular dish chicken tikka is made of chicken cutlets in a marinade. It is used as a marinade for Vietnamese broiled chicken. The noun form of "adobo" describes a marinade or seasoning mix. The acidic marinade helps tenderize the meat before it cooks. It is usually cooked with a marinade and some searing to impart a charred flavor. The acid in the marinade is usually vinegar but can include citrus juice. Raw pork, seafood, beef and poultry may contain harmful bacteria which may contaminate the marinade. Nearly all derivatives of tandoori chicken begin with a yogurt and citrus-based marinade. As well as bumbu (seasoning) used as a marinade. In this original version, diced chicken is typically mixed with a prepared marinade. It can also be used as a marinade for grilled meat. Ninfa's used a smoky marinade in the beef fajitas. Crushed tomatoes and coriander are sometimes added to the marinade.