Ngoài ra vỏ tôm, cua phế liệu là nguồn nguyên liệu tự nhiên dồi dào, rẻ tiền, có sẵn quanh năm, nên rất thuận tiện cho việc cung cấp chitin và chitosan
In addition, crab and shrimp shells for scrap is a natural source of abundant, inexpensive, available year-round, so very convenient for chitin and chitosan offers
Also peel shrimp, crab scrap as raw material natural resources abundant, inexpensive, available throughout the year, so it is very convenient for chitin and chitosan provide