1, quality problems: low-quality caraway oil will have a fishy odor. This is because of the use of non-fresh or problematic ingredients in the processing of oil, or the quality of the oil is not qualified.
2, storage problems: houma oil in the storage process, such as exposure to sunlight or storage time is too long, will also produce fishy flavor. Hemp oil is best stored in a cool, dry place, avoid direct sunlight and oxygen contact.
3, the production process: in the production process of sesame oil, such as the lack of strict control of temperature and time, will lead to the oxidation of fatty acids in the sesame seeds, resulting in a fishy smell.