Trần, X.H., Hồ, T.N.H. và Nguyễn, T.H. 2022. Fermented scallion heads are an indigenous and traditional food product in Vietnam. This product is produced at the home by processing without time control. This leads to negative changes in texture and color of the product. The objective of this study wa. Tạp chí Dinh dưỡng và Thực phẩm. 16, 1 (tháng 7 2022), 64-74.