公开(公告)号：US20210188796A1

公开(公告)日：2021-06-24

申请号：US17263141

申请日：2019-07-26

Applicant: Showa Denko Materials Co., Ltd.

Inventor： Motohiro ARIFUKU ,  Yoshiaki KURIHARA ,  Masato KANEEDA

IPC: C07D311/40 ,  C07D311/30

Abstract: Provided is a method for decomposing a flavonoid glycoside, wherein a flavonoid glycoside-containing raw material is hydrothermally treated to decompose a flavonoid glycoside into a flavonoid.

公开(公告)号：US20210292294A1

公开(公告)日：2021-09-23

申请号：US17262207

申请日：2019-07-26

Applicant: Showa Denko Materials Co., Ltd.

Inventor： Motohiro ARIFUKU ,  Yoshiaki KURIHARA ,  Masato KANEEDA

IPC: C07D311/40

Abstract: Provided is a method for decomposing a flavonoid glycoside, wherein a flavonoid glycoside is decomposed into a flavonoid by heat-treating a flavonoid glycoside-containing raw material in the presence of an alcohol in a sealed container at a temperature exceeding the boiling point of the alcohol under atmospheric pressure.