Firdaus, Anita (2018) Pengaruh konsentrasi dan lama perendaman air perasan lengkuas (Alpinia galanga) terhadap total bakteri Staphylococcus aureus, Escherichia coli, Salmonella sp., dan kadar protein pada daging ayam. Undergraduate thesis, Universitas Islam Negeri Maulana Malik Ibrahim.
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Abstract
INDONESIA:
Penelitian ini bertujuan untuk mengetahui pengaruh lama perendaman dan konsentrasi air perasan lengkuas terhadap kadar protein dan jumlah total bakteri Staphylococcus aureus, Escherichia coli, dan Salmonella sp. pada daging ayam. Penelitian ini bersifat eksperimental dengan menggunakan rancangan acak kelompok (RAK) dengan dua faktor perlakuan. Faktor pertama adalah variasi lama perendaman yang terdiri dari 0 jam, 4 jam, dan 8 jam. Faktor kedua adalah variasi konsentrasi yaitu 0%, 30%, 40%, dan 50%. Data yang diperoleh dianalisis menggunakan Analysis of Variance (ANOVA) dan jika terdapat pengaruh nyata terhadap parameter maka dilakukan uji lanjut dengan uji Duncan Multiple Range Test (DMRT) dengan taraf kesalahan 5%. Hasil penelitian menunjukkan bahwa variasi lama perendaman dan konsentrasi air perasan lengkuas memberikan pengaruh terhadap jumlah total bakteri dan kadar protein pada daging ayam. Perlakuan terbaik air perasan lengkuas terhadap jumlah total bakteri (TPC) terdapat pada perlakuan K1L0 yakni 4,7 x 106 cfu/g, perlakuan terbaik Staphylococcus aureus terdapat pada perlakuan K1L0 yakni 2,9 x 103 cfu/g, perlakuan terbaik terhadap bakteri Escherichia coli ada pada perlakuan K1L1 yakni 7,4 x 102 cfu/g, dan perlakuan terbaik Salmonella sp. terdapat pada perlakuan K3L2 yakni 0 cfu/gram. Sedangkan, pada daging ayam yang diberi perlakuan terjadi penurunan kadar protein dibandingkan dengan daging ayam yang segar.
ENGLISH:
This study aims to determine the effect of soaking time and concentration of galangal extract on protein content and the total amount of Staphylococcus aureus, Escherichia coli, and Salmonella sp. on chicken meat. This study was experimental using a randomized block design (RAK) with two treatment factors. The first factor is a variation of immersion duration consisting of 0 hours, 4 hours and 8 hours. The second factor is variations in concentration, namely 0%, 30%, 40%, and 50%. The data obtained were analyzed using Analysis of Variance (ANOVA) and if there was a real effect on the parameters, further testing was carried out with the Duncan Multiple Range Test (DMRT) test with an error rate of 5%. The results showed that variations in immersion time and concentration of galangal extract had an effect on the total number of bacteria and protein content in chicken meat. The best treatment of galangal extract against the total bacterial count (TPC) was found in the treatment of K1L0 4.7 x 106 cfu / g, the best treatment of Staphylococcus aureus was in K1L0 2.9 x 103 cfu/g, the best treatment for Escherichia coli was in K1L1 yakni 7.4 x 102 cfu / g, and the best treatment of Salmonella sp. found in K3L2 treatment which is 0 cfu / gram. Whereas, in treated chicken there was a decrease in protein content compared to fresh chicken meat.
Item Type: | Thesis (Undergraduate) | |||||||||
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Supervisor: | Harianie, Liliek and Syarifah, Umaiyatus | |||||||||
Contributors: |
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Keywords: | Daging ayam; Air perasan lengkuas; Staphylococcus aureus; Escherichia coli; Salmonella sp.; Kadar protein;Chicken meat; Extract of galangal; Staphylococcus aureus; Escherichia coli; Salmonella sp.; Protein content | |||||||||
Departement: | Fakultas Sains dan Teknologi > Jurusan Biologi | |||||||||
Depositing User: | M. Nawa Syarif Fajar Sakti | |||||||||
Date Deposited: | 09 May 2019 15:04 | |||||||||
Last Modified: | 09 May 2019 15:04 | |||||||||
URI: | http://etheses.uin-malang.ac.id/id/eprint/13978 |
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