部分原文报道如下：
Chemical group 16 consists of aliphatic and alicyclic ethers, of which four are currently authorised for use as flavours in food. The FEEDAP Panel was unable to perform an assessment of 1,5,5,9-tetramethyl-13-oxatricyclo[8.3.0.0.（4.9）]tridecane and theaspirane because of issues related to the purity of the compounds. The FEEDAP Panel concludes that: i）1,8-cineole is safe at the high use level proposed by the applicant （5 mg/kg complete feed） for all animal species with a margin of safety of 5.6 to 28.2; ii）2-（2-methylprop-1-enyl）-4-methyltetrahydropyran （Class II） is safe at a maximum of 0.3 mg/kg complete feed for cattle, salmonids and non food producing animals and of 0.5 mg/kg complete feed for pigs and poultry.
The absence of a margin of safety would not allow the simultaneous administration in feed and water for drinking of these substances. The total dose from all sources should not exceed that recommended when given in feed alone. No safety concern would arise for the consumer from the use of compounds belonging to CG 16 up to the highest safe level in feedingstuffs for all animal species. The FEEDAP Panel considers it prudent to treat both compounds under assessment as irritants to skin, eyes and respiratory tract, and as skin sensitisers. The FEEDAP Panel considers that the concentrations of the compounds belonging to CG 16 in the environment are not expected to exceed levels of concern when used in animal feeds at the levels considered to be safe to the target species. Since these compounds are used in food as flavourings, and their function in feed is essentially the same as that in food, no further demonstration of efficacy is necessary.
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