Pengaruh Penambahan Pengawet Karagenan Terhadap Kualitas Otak-Otak Ikan Tengg…

The aim of this research was to determine the effectiveness of added chitosan on preservation of salted common snakehead (Ophiocephalus striatus) as student worksheet design on science learning in Junior High School. This research was conducted on March until May 2016. The research used using completely randomized design (CRD) non factorial, which consists of 4 treatments and 3 replicates. The…