§ 172.185 TBHQ.
The food additive TBHQ, which is the chemical 2-（1,1-dimethylethyl）-1,4-benzenediol （Chemical Abstracts Service Registry Number 1948–33–0）, also known as tertiary butylhydroquinone, may be safely used in food in accordance with the following prescribed conditions:
（a） The food additive has a melting point of 126.5 °C–128.5 °C.
（b） It is used as an antioxidant alone or in combination with BHA and/or BHT.
（c） The total antioxidant content of a food containing the additive will not exceed 0.02 percent of the oil or fat content of the food, including the essential （volatile） oil content of the food.
更多關(guān)于美國 FDA 已批準的直接用于人類食品的添加劑種類法規(guī)，請點擊美國FDA 21 CFR 第172部分已批準的直接用于人類食品的添加劑種類匯總
