KAJIAN PERUBAHAN MUTU KESEGARAN IKAN TONGKOL (Euthynnus Affinis) YANG DIRENDAM DALAM EKSTRAK RUMPUT LAUT (Eucheuma spinosum) DAN EKSTRAK BUAH BAKAU (Sonneratia alba)
DOI:
https://doi.org/10.35800/mthp.4.2.2016.12927Keywords:
Euthynnus affinis, Eucheuma spinosum, Sonneratia albaAbstract
The research has been done to know the influence of seaweed extract (Eucheuma spinosum) and mangrove fruit extract (Sonneratia alba) as antibacterial in preserving tongkol fish. Seaweed (Eucheuma spinosum) and mangrove fruit (Sonneratia alba) were refined, filtered, and dissolved into sterile aquades. Fresh tongkol fish soaked in that extract added ice to maintain the temperature not more than 5 celsius degree. Observation was done to chemistry characteristic (pH), there was microbe pollution (ALT) and sensory characteristic and hedonic of tongkol fish produced by using score test. The result of observation to the sensory value and hedonic of tongkol fish which soaked in each extract give very real influence. On the other side, treatment of soak in extract did not give real influence to pH and microbe pollution (ALT).
Telah dilakukan penelitian untuk mengetahui pengaruh dari ekstrak rumput laut Eucheuma spinosum dan ekstrak buah bakau Sonneratia alba sebagai antibakteri dalam mengawetkan ikan tongkol. Rumput laut Eucheuma spinosum dan buah bakau Sonneratia alba dihaluskan, disaring dan dilarutkan ke dalam aquades steril. Ikan tongkol segar direndam dalam ekstrak tersebut sambil diberi es dengan mempertahankan suhu agar tidak lebih dari 5ºC. Pengamatan dilakukan terhadap sifat kimia (pH), adanya cemaran mikroba (ALT) dan sifat sensori dan hedonik ikan tongkol yang dihasilkan dengan menggunakan uji skor. Hasil pengamatan terhadap nilai sensori dan hedonik ikan tongkol yang direndam dalam masing-masing ekstrak memberikan pengaruh yang sangat nyata. Sebaliknya perlakuan perendaman dalam ekstrak tidak memberikan pengaruh yang nyata terhadap pH dan cemaran mikroba (ALT).Downloads
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