公开(公告)号：US20230165276A1

公开(公告)日：2023-06-01

申请号：US17041714

申请日：2019-03-29

Applicant: DSM IP ASSETS B.V.

Inventor： Laure CLASADONTE ,  André DUESTERLOH ,  Weerasinghe INDRASENA ,  Thomas NETSCHER ,  René, Tobias STEMMLER ,  Christof WERHLI

IPC: A23K20/121 ,  C07D311/76 ,  A23K20/158 ,  A23K50/40

CPC classification number: A23K20/121 ,  C07D311/76 ,  A23K20/158 ,  A23K50/40

Abstract: The present invention is directed towards the use of 2H-chromens and their derivatives of formula (I) and/or of formula (II) wherein R1 and R2 are independently from each other H or C1-11-alkyl or (CH2)n—OH with n being an integer from 1 to 6 or R1 and R2 together represent a keto group, and wherein R3, R4, R5, and R6 are independently from each other H or C1-6-alkyl or C1-6-alkoxy, and R7 is H or C1-6-alkyl, as antioxidants, especially in feed such as pet food and feed ingredients such as fish meal, insect meal and poultry meal, as well as PUFA-containing oil such as marine oil, microbial oil, fungal oil, algal oil and PUFA-containing plant oil. The present invention is further directed towards feed ingredients and feed for insects, aquatic and terrestrial animals comprising such 2H- chromens and their derivatives of formula (I) and/or of formula (II).