The Chinese use sesame oil in the preparation of meals. In Japan, r¨¡yu is made of chili and sesame oil and used as a spicy topping on various foods, or mixed with vinegar and soy sauce and used as a dip. In South India, before the advent of modern refined oils produced on a large scale, sesame oil was traditionally used for curries and gravies.
How is sesame oil extracted?
The conventional process for sesame oil extraction includes: (1) cleaning, (2) dehulling, (3) roasting, (4) grinding and (5) oil extraction, respectively (Fukuda and Namiki, 1988). Roasting is a critical stage which influences color, composition, and organoleptic qualities of the extracted oils as well as oxidative stability (Yen and Shyu, 1989).
What is sesame oil?
Sesame oil is an edible vegetable oil derived from sesame seeds. The oil is one of the earliest-known crop-based oils. Worldwide mass modern production is limited due to the inefficient manual harvesting process required to extract the oil. Oil made from raw seeds, which may or may not be cold-pressed, is used as a cooking oil.
How to determine the quality of sesame oil?
Free fatty acid contents and peroxide values are common parameters for determination of the oils quality (ElKhier et al., 2008). The conventional process for sesame oil extraction includes: (1) cleaning, (2) dehulling, (3) roasting, (4) grinding and (5) oil extraction, respectively (Fukuda and Namiki, 1988).