sansho powder
Sansho powder contains minimal calories but provides essential oils and compounds responsible for its distinctive numbing sensation; like other spices, it is valued more for flavoring properties than nutritional density.
About
Sansho powder is the ground form of the dried berries of Zanthoxylum simulans (Japanese pepper) or related Zanthoxylum species native to East Asia, particularly Japan, China, and Korea. The berries—actually small drupes—are harvested when ripe and dried before grinding into a fine, pale yellow to greenish powder. Unlike black pepper, sansho delivers a distinctive numbing (paresthetic) sensation on the lips and tongue caused by hydroxy-alpha sanshool, accompanied by a bright, citrusy, slightly floral aroma with herbaceous notes. Japanese sansho tends to be finer and more delicate than its Chinese (huajiao) or Korean (chopi) counterparts.
Culinary Uses
Sansho powder is a foundational spice in Japanese cuisine, essential to the spice blend shichimi togarashi (seven-spice mixture) and frequently used as a finishing spice for grilled meats, fish, and vegetables. It complements umami-rich broths and sauces, particularly in noodle dishes and traditional kaiseki preparations. The numbing properties make it particularly effective in dishes served at high temperatures. In Chinese cuisine, it appears in Sichuan-style dishes, while Korean cuisine incorporates it into spice blends and as a table condiment. It is typically used sparingly as a finishing element rather than cooked into dishes, as heat can diminish its characteristic citrus notes.