The effect of application gelatin from tuna (thunnus albacares) fish bone and skin towards the jelly characteristics = Pengaruh penggunaan gelatin dari kulit dan tulang ikan tuna (thunnus albacares) terhadap karakteristik jeli

Sopacua, Tirzania Frannetta (2011) The effect of application gelatin from tuna (thunnus albacares) fish bone and skin towards the jelly characteristics = Pengaruh penggunaan gelatin dari kulit dan tulang ikan tuna (thunnus albacares) terhadap karakteristik jeli. Bachelor thesis, Universitas Pelita Harapan.

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Abstract

Tuna’s skin and bone can be used for gelatin. Many researches have studied on making and optimization of fish gelatin however there is no research about application of fish gelatin from tuna (Thunnus albacares) for jelly characteristic. In this research, gelatin was extract from tuna’s bone and skin. The gelatin was evaluated for proximate analysis, gel strength, viscosity, melting point, setting point, whiteness, and pH value. The characterization of bone’s gelatin were yield 7.01%, gel strength 93.25 g.cm, viscosity 17.2cPs, melting point 27.63oC, setting point 14.93oC, and whiteness 56.28%, pH value 4.73, moisture content 8.52%, ash content 1.87%, protein content 97.13%, and fat content 3.14 %. The characterization of skin’s gelatin were yield 5.81, gel strength 207.25 g.cm, viscosity 29.28 cPs, melting point 29.17oC, setting point 18.15oC, and whiteness 61.57%, pH value 45.67, moisture content 7.37%, ash content 1.93%, protein content 99.67%, fat content 3.13%. Jelly was made with different concentration of skin and bone gelatins. The gelatin consentration were 5%, 7%, and 9%. The best concentration determined based on scoring by 30 panelists. The paramaters for scoring was elasticity, colour, taste, odour, likeness, and overall, there was no different between skin and bone jellies. The best consentration was 7% based on scoring result. The best jellies of skin gelatin have gel strength 234.00 g.cm and syneresis 2.58%. Jellies from bone’s gelatin have a characteristic gel strength 141.87g.cm and syneresis 22.00%. Skin gelatin has a better characteristic compared to bone gelatin.

Item Type: Thesis (Bachelor)
Creators:
CreatorsNIMEmail
Sopacua, Tirzania FrannettaUNSPECIFIEDUNSPECIFIED
Contributors:
ContributionContributorsNIDN/NIDKEmail
Thesis advisorSantoso, JokoUNSPECIFIEDUNSPECIFIED
Thesis advisorAnugrahati, Nuri ArumUNSPECIFIEDUNSPECIFIED
Uncontrolled Keywords: Tuna; skin’s gelatin; bone’s gelatin; jelly
Subjects: T Technology > TP Chemical technology > TP368-456 Food processing and manufacture
Divisions: University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology
Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology
Depositing User: Mrs Marselita Harapan
Date Deposited: 16 Oct 2018 07:35
Last Modified: 20 Jul 2020 03:58
URI: http://repository.uph.edu/id/eprint/1184

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