also: あかジソ
noun
red shiso; red perilla
A variety of perilla with reddish-purple leaves, used as a herb, for coloring pickles (e.g., umeboshi), and in traditional medicine. Often contrasted with green shiso (青紫蘇).
See also: 紫蘇
梅干しの色付けに赤紫蘇を使います。
Red shiso is used to color umeboshi.
赤紫蘇ジュースは夏に人気があります。
Red shiso juice is popular in summer.
Compound of 赤 (red) and 紫蘇 (shiso/perilla). The exact origin of 紫蘇 is uncertain, but it has been used in Japanese since ancient times.