| 摘要 |
Provided is an oil or fat composition, including a vitamin B1 derivative or a salt thereof at a content of 44 to 8,000 ppm in terms of thiamine and having a hydroxyl value of 9 to 100 mg-KOH/g, in which the content C (ppm) of the vitamin B1 derivative or the salt thereof in terms of thiamine and the hydroxyl value X (mg-KOH/g) satisfy a relationship of the following expression (1): [Ln(C/143)]/X≦̸0.044 (1), where Ln represents a natural logarithm.
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