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  <title>PENGARUH PENAMBAHAN ABSORBAN ARANG AKTIF DAN LAMA WAKTU PENGENDAPAN WHEY TERHADAP KUALITAS NATA DE SOYA</title>
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  <namePart>Novi Riskadewi</namePart>
  <role>
   <roleTerm type="text">Primary Author</roleTerm>
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  <place>
   <placeTerm type="text">Banda Aceh</placeTerm>
   <publisher>Fakultas Pertanian</publisher>
   <dateIssued>2014</dateIssued>
  </place>
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  <languageTerm type="text">Indonesia</languageTerm>
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 <note>PENGARUH PENAMBAHAN ADSORBAN ARANG AKTIF DAN LAMA WAKTU PENGENDAPAN WHEY TERHADAP KUALITAS NATA DE SOYA&#13;
Novi Riskadewi1, Anshar Patria2, dan Martunis2&#13;
1Mahasiswa Fakultas Pertanian Unsyiah – Banda Aceh&#13;
2Staff Pengajar Jurusan Teknologi Hasil Pertanian Unsyiah – Banda Aceh&#13;
ABSTRAK&#13;
Limbah cair tahu (whey) cukup potensial untuk dimanfaatkan sebagai substrat pada pembuatan nata karena di dalamnya masih mengandung zat gizi yang cukup tinggi seperti karbohidrat, protein, dan lemak. Penelitian ini bertujuan untuk mengetahui pengaruh pemurnian menggunakan arang aktif dan waktu pengendapan whey terhadap kualitas nata de soya. Penelitian ini dilakukan dengan menggunakan Rancangan Acak Lengkap yang terdiri atas 2 (dua) faktor. Faktor yang dipelajari adalah konsentrasi arang aktif (0,2%, 0,4% dan 0,6%) dan waktu pengendapan whey (1 jam, 3 jam dan 5 jam). Pengamatan dilakukan terhadap nata de soya yang dihasilkan meliputi: rendemen(%), ketebalan(cm), tekstur (kg/s2), pH, serat(%), dan uji organoleptik yaitu uji hedonik(rasa, warna dan kekenyalan). Hasil percobaan menunjukkan rendemen nata de soya yang terbaik(22,01%) pada perlakuan arang aktif 0,6% dan lama pengendapan whey 5 jam. Untuk nilai organoleptik warna terbaik diperoleh pada konsentrasi arang aktif 0,6%.&#13;
Kata kunci : Whey, Nata de soya, Kualitas&#13;
EFFECT OF ADSORBENT CHARCOAL ADDITION AND TIME DESPOSITION ON THE QUALITY WHEY NATA DE SOYA&#13;
ABSTRACT Whey has enough potential to be used as a substrate in making nata because it still contains a high enough nutrients such as carbohydrates , proteins , and fats. This study aims to determine the effect of purification using activated charcoal and desposition time on quality whey nata de soya . The study was conducted using completely randomized design consisting of two (2 ) factors . Factors studied were the concentration of activated charcoal ( 0.2 % , 0.4 % and 0.6 % ) and whey desposition time ( 1 hour , 3 hours and 5 hours) . Data were collected for nata de soya produced include: yield ( % ) , thickness ( cm ) , texture ( kg ) , pH , fiber ( % ) , and organoleptic hedonic test (taste , color and elasticity ) . The results showed that the best yield of nata de soya ( 22,01 % ) in the treatment of activated charcoal and 0.6 % and 5 hour long&#13;
desposition . For the best colors organoleptic value was obtained at a concentration of 0.6 % activated charcoal . Key: Whey, Nata de Soya, Quality</note>
 <subject authority="">
  <topic>AGRICULTURAL WASTES</topic>
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 <subject authority="">
  <topic>AGRICULTURAL PRODUCTS</topic>
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 <subject authority="">
  <topic>SOYBEANS-TECHNOLOGY</topic>
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 <classification>1</classification>
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  <physicalLocation>ELECTRONIC THESES AND DISSERTATION Universitas Syiah Kuala</physicalLocation>
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