市售乳製品中防腐劑及抗氧化劑之含量調查

INVESTIGATION ON THE PRESERVATIVES AND ANTIOXIDANTS CONTENTS OF DIARY AND MARGARINE PRODUCTS

本調查檢驗自全省各縣市之超級市場、食品店等處抽購100件檢體分別進行防腐劑及抗氧化劑含量之檢驗，計奶油7件、乳酪12件、乾酪54件及人造奶油27件，所採用之檢驗方法係中國國家標準─食品中防腐劑之檢驗，及本署公告方法－－食品中抗氧化劑之檢驗方法。檢出防腐劑者，分別為乾酪22件（全是己二烯酸及其鹽類，佔乾酪件數之40.7%）、人造奶油6件（含己二烯酸類者2件，含苯甲酸類者4件共佔人造奶油件數之22.2%），其中僅一件美國產之人造奶油製品含苯甲酸超過用量標準。抗氧化劑部份，檢出的三件均同時添加BHA及BHT，唯含量極微，均在用量標準以內。

The contents of preservatives and antioxidants in dairy and margarine products has been investigated. One hundred samples of cream (7), butter (12), cheese (54), and margarine (27) were analyzed accroding to the Official Methods. Twenty-two cheese and two margarine samples were found to contain sorbates as preservatives while four margarine samples had benzoates. Among them, one US-made margarine sample violeted the hygiene regulations by containing 430 ppm benzoates. Only three out of one hundred samples contained slight amounts of antioxidants BHA or BHT, within the allowable levels, and therefore, did not violate the hygiene regulations.