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      The Quality of Nata de Madoe from Kinds of Fermentation Medium Based Rejected Honey

      Mutu Nata de Madoe Hasil Fermentasi Acetobacter xylinum pada Media Berbahan Dasar Madu Afkir

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      Date
      2012
      Author
      Simangunsong, Regina Morina
      Polii, B. N.
      Siregar, Hotnida C. H.
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      Abstract
      Nata is a jelly formed fermented food product from Acetobacter xylinum. Nata has properties such as low calorie, able to facilitate healthy digestion, and consisted of 98% water content. Nata generaly made from water coconut, but in this research nata made from other material that had high sugar content such as honey and so it called nata de madoe. Honey contain essential elements for the body and easily fermented so that reducing honey shelf life. Founded an interesting case in public there are a large amount of honey was returned from the market. This rejected honey content glucose 72%, that can be replaced coconut water as material for nata without the addition of sucrose, but to fulfill nitrogen needed, ammonium sulfate was added. Observing parameters are the physical characteristic and chemical characteristics and test sensory. The variance analyze showed that different fermentation medium influenced significally (P<0,01) to rendemen, thickness, hardness and colour of nata. The best appearance from different media is media rejected honey with coconut water, result analysis proksimat are 96,4 water content, 0,18 ash content, 0,4% crude fiber, 1,56 fat, 0,9% protein and 0,11% dietary fiber. Sensory test showed that nata de madoe soak in 15% honey solution was more preferred than in 20% honey solution but less than commercial nata de coco in 15% sugar solution.
       
      Madu adalah salah satu jenis pangan yang sangat lengkap kandungan nutrisinya dan kini telah diketahui tidak kurang dari 181 macam zat atau senyawa dalam madu. Madu memiliki sifat higroskopis yang tinggi, yaitu sangat mudah menyerap air dari lingkungan sekitar apabila terjadi kontak langsung dengan udara sehingga memicu peningkatan kadar air madu. Semakin tinggi kadar air dapat mempercepat kerusakan madu sebab memicu pertumbuhan khamir dalam madu. Suatu kasus menarik di penjual yaitu ditemukan sejumlah besar madu hutan afkir yang disimpan di dalam jeriken. Madu hutan afkir ini adalah madu yang tidak laku di pasaran yang ditarik kembali kemudian sebagian dikirim ke peternak untuk dijadikan pakan lebah dan sebagian disimpan di dalam gudang. Karakteristik madu hutan afkir ini adalah adanya perubahan warna yang semakin gelap, aroma yang kurang sedap, rasa yang menjadi asam dan sedikit pahit, kadar air yang sangat tinggi tetapi kadar gula dari madu hutan afkir ini cukup tinggi (72%). Oleh sebab, itu madu hutan afkir ini dapat menggantikan air kelapa dalam pembuatan nata serta tidak perlu penambahan sukrosa sebagai sumber karbohidrat.
       
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      http://repository.ipb.ac.id/handle/123456789/61491
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      • UT - Animal Production Science and Technology [4043]

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