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      Sifat Fisik dan Organoleptik Kefir Susu Sapi dengan Penambahan Ekstrak Buah Merah (Pandanus conoideus)

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      Date
      2021
      Author
      Najiyyah, Hasna
      Arief, Irma Isnafia
      Budiman, cahyo
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      Abstract
      Kefir susu sapi merupakan produk susu fermentasi menggunakan starter biji kefir yang terdiri dari bakteri asam laktat, kapang, dan khamir. Kefir memiliki manfaat bagi kesehatan karena termasuk dalam pangan probiotik. Kefir juga mengandung eksopolisakarida dan peptida bioaktif yang dapat meningkatkan sistem imun tubuh. Buah merah adalah buah endemik dari Papua yang memiliki manfaat juga bagi kesehatan karena mengandung zat aktif yang dapat meningkatkan sistem imun tubuh. Zat aktif yang terkandung dalam buah merah adalah karotenoid, alfa tokoferol, beta karoten, asam linoleat, asam oleat, asam linolenat, dan asam dekanoat. Tujuan penelitian ini adalah menganalisis sifat fisik dan organoleptik kefir susu sapi dengan penambahan ekstrak buah merah 0%, 2,5% dan 5%. Analisis sifat fisik yang diuji adalah viskositas, nilai pH, nilai aw, dan total asam tertitrasi. Analisis sensori yang dilakukan adalah uji hedonik dan uji mutu hedonik. Hasil penelitian menunjukan penambahan ekstrak buah merah berpengaruh nyata (P < 0,05) terhadap nilai viskositas, total asam tertitrasi, uji hedonik parameter warna, dan aroma serta uji mutu hedonik parameter warna, aroma, dan kekentalan, namun tidak berpengaruh nyata (p > 0,05) terhadap nilai aw, nilai pH, uji hedonik parameter rasa dan kekentalan serta uji mutu hedonik parameter rasa.
       
      Cow's milk-based kefir is a fermented milk product that uses kefir grains utulizing of lactic acid bacteria (LAB) and yeast combination as fermentation starter. Kefir is very beneficial for health because it contains probiotic active exopolysaccharides and bioactive peptides that can stimulate the body's immune system. Red fruit (Pandanus conoideus) is an endemic fruit of Papua which had known to have various health benefit effects. Red fruit contains bioactive compounds which can boost the immune system. The compounds include carotenoids, alpha-tocopherol, beta carotene, linoleic acid, oleic acid, linolenic acid, and decanoic acid. This studsy aims to analyze the physical and organoleptic properties of cow's milk-based kefir with the addition of 0%, 2.5%, and 5% red fruit extract. The tested physical properties were viscosity, pH value, aw value, and total titrated acid, coupled with the sensory analysis through hedonic test and the hedonic quality test. The results showed that the addition of red fruit extract had a significant effect (P < 0,05) on the viscosity value, total titrated acid, the hedonic test for color and aroma parameters, and the hedonic quality test for color, aroma, and viscosity parameters, but had no significant effect (p > 0,05) on aw, pH, taste, and viscosity parameter hedonic test, and taste parameter hedonic quality test.
       
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      http://repository.ipb.ac.id/handle/123456789/109797
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      • UT - Technology of Cattle Products [266]

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      Indonesia DSpace Group 
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