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    2023年6月7日，據(jù)歐盟食品安全局（EFSA）消息，應(yīng)歐盟委員會要求，歐盟動物飼料添加劑和產(chǎn)品（FEEDAP）研究小組就4-甲基-5-乙烯基噻唑（4-methyl-5-vinylthiazole）作為所有動物飼料添加劑的安全性和有效性發(fā)表科學(xué)意見。

經(jīng)過評估，專家小組認(rèn)為在建議的使用條件下該添加劑對目標(biāo)物種、消費(fèi)者和環(huán)境是安全的。由于其在食品中作為調(diào)味品使用，并且它們在飼料中的功能與在食品中的功能基本相同，因此認(rèn)為沒有必要進(jìn)一步證明其功效。部分原文報(bào)道如下：

Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of 4-methyl-5-vinylthiazole [15.018] belonging to chemical group 29 (thiazoles, thiophene and thiazoline), when used as sensory additive (flavourings) in feed for all animal species. The FEEDAP Panel concluded that 4-methyl-5-vinylthiazole [15.018] was safe at the maximum proposed use level of 0.5 mg/kg complete feed for veal calves (milk replacer), dogs, salmonids and ornamental fish. For the other species, the calculated safe concentrations in complete feed are: 0.4 mg/kg for cattle for fattening, sheep/goat, horses and cats; 0.3 mg/kg for sows and dairy cows; 0.2 mg/kg for piglets, pigs for fattening, rabbits and laying hens; and 0.1 mg/kg for chickens for fattening and turkeys for fattening. These conclusions were extrapolated to other physiologically related species. For any other species, the additive was considered safe at 0.1 mg/kg complete feed. No safety concern would arise for the consumer from the use the additive up to the maximum proposed use level in feed. The additive should be considered as irritant to skin and eyes and the respiratory tract, and as dermal and respiratory sensitisers. The use of 4-methyl-5-vinylthiazole [15.018] as a flavour in animal feed was not expected to pose a risk to the environment. Since the compound under assessment is used in food as flavouring and its function in feed is essentially the same as that in food, no further demonstration of efficacy was considered necessary.