Cumin essential oil can be adulterated with synthetic cuminaldehyde, and this can be detected by modern analytical techniques such as SIRA, SIM, and measuring optical rotation (Peter, 2003).
Cumin seeds and their oil are regarded generally as safe (GRAS 2340 and GRAS 2343) under the regulatory system (Parthasarathy etal., 2008). To date, no adverse effects have been reported from the use of whole cumin, processed cumin, or its essential oil. It is used as a medicine for aches, inflammation, worm infestation, diarrhea, skin diseases, fever, vomiting and nausea, and as an appetizer. Cumin is beneficial to the heart and uterus, and is administered to women post partum (Sowbhagya et al., 2008). Cumin has a protective effect by decreasing the lipid level in alcohol, and thermally oxidized oil was found to induce hepatotoxicity.
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