1. ????????? ???????? ??????? ????????? ???????? ??? ????? ????????? ??????? ?? ????????? ??????????????? ??? ???????? ????????????? ???????? ?? ??? ???????? ??????? ???? ??? ??????? ??? ??????? ???? ??.
??? ?????? ???????? ??????? -ch = ch-ch =CH- ?? ???, ??? ????? ?????-????? ??????? ????? ??????? (-C=C-) ??? ??????? ?? ??? ?????? ????? ??? ????? ?????????? ?? ??? ??? ???????? ?????????? ??, ?? ????????? ???????? ?? ??????? ???? ??????? ????.
????????? ???????? ?? ??????? ???????: CH3-CH=CH-CH=CH-COOK

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2. ????????? ???????? ?? ????????? ???????? ?? ????? ??? ?????? ?????? ??? ??, ????? ???????? ?? ??????? ??? ???? ??? ???? ??, ???? ????????????? ???????? ??, ????????? ???????? ????? ???? ??, ???? ??? ?????? ??? ?? ?????.
????????? ???????? ??? ???? ?? ???? ???? ?? ????, ???? ???? ?? ????? ???? ???, ?????? ?? ????? ?????????? ??.
????????? ???????? ?? ???????? ??????? ??????? ????? ????? ????? ?? ????, ?? ????????? ????? ?????, ????????? ??????????? ????????? (-COOH) ?????? ?????? ??????? ????? ????????? ????? ???? ?? ??? ????????? ?? ????????? ???????? ????? ??.

3. ????????? ???????? ??????????, ??? ??????? ??????? ???? ??? ??????? ??? ???? ????????? ?? ??? ?? ?????? ????? ??? ????? ?????????? ?? ??? ??? ???????? ?????????? ??, ??????? ?? ???????? ??????? ??.
??? ?????? ???????? (WHO) ?? ?????? ???????? ???? ?? ???????? ???????? (FAO) ???? ???????? ?? ???? ???? ?????? ?????? ?????? (JECFA), ????????? ???????? ?? ??????? ??????? ???????? ???? ?? ??? ???, ????????????? ???? ????? ????????? ???????? ????? ???????????? ?????? ?????? ??????? ????. ?????? ???? ???? ?? ??? ???????? (FDA) ?? ??????? ???? ?????????? ???????? (EFSA) ? ????????? ???????? ??????? ???? ???? ??????????? ??? ?????.
?????? ??????????? ??????? ???? ??? ????, ????????? ???????? ????????? ?????? ??????? ??? ?????????? ?? ?????. ?????? ?????? ?????????? ??????? ????? (IARC) ????????? ???????? ????? 3 ??? ????????? ????, ???? ?? ????????? ?????? ??????? ??? ??????? ????? ?????? ?????????? ????.