Pearl rice, Japan, replaced by northeast rice. According to the query of Life Common Sense Network, pearl rice in Japan has small particles and sweet taste, so the sushi made will taste good. Sushi rice, also known as pearl rice in Japan, can be replaced by Northeast rice. Sushi rice is a mixture of rice or glutinous rice and sushi vinegar, which is called vinegar rice for short. Authentic Japanese sushi is made of pearl rice, which is small and slightly sweet.