METHOD OF PREPARING PERILLA FRUTESCENS VAR. CRISPA F. PURPUREA SYRUP

摘要

The present invention herein provides syrup extracted from red shiso and having a clear red color. The method comprises the following steps: (1) draining water after blanching raw red shiso; (2) extracting, with water, the blanched red shiso while applying heat; and (3) adding an acid to the extract of the red shiso.