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Image of KARAKTERISTIK MINUMAN FERMENTASI SARI UBI JALAR KUNING (Ipomoea batatas L.)

Skripsi

KARAKTERISTIK MINUMAN FERMENTASI SARI UBI JALAR KUNING (Ipomoea batatas L.)

Irawan, Agustam - Personal Name;

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Penelitian ini bertujuan untuk menganalisis karakteristik minuman fermentasi sari ubi jalar kuning (Ipomoea batatas L.) terutama fisik, kimia, sensoris dan mirobiologi dengan penambahan konsentrasi ragi dan waktu fermentasi yang berbeda. Penelitian dilaksanakan pada bulan Februari 2014 sampai dengan Juni 2014 di Laboratorium Kimia Hasil Pertanian, Laboratorium Mikrobiologi Umum, dan Laboratorium Sensoris Jurusan Teknologi Pertanian, Fakultas Pertanian, Universitas Sriwijaya, Indralaya. Penelitian menggunakan metode Rancangan Acak Kelompok Faktorial (RAKF) dengan 2 (dua) faktor perlakuan dan setiap kombinasi perlakuan diulang sebanyak 3 (tiga) kali. Faktor A adalah konsentrasi ragi (Al : 0,25%, A2 : 0,50%, A3 : 0,75% dan A4 : 1%) dan faktor B adalah waktu fermentasi (BI : 2 jam, B2 : 4 jam). Parameter yang diamati adalah karakteristik fisik (warna), karakteristik kimia (kadar karoten total, total padatan terlarut, kadar gula reduksi, dan nilai pH), dan karakteristik mikrobiolgi (angka lempeng total), serta karakteristik sensoris (warna, aroma dan rasa). Hasil penelitian menunjukkan bahwa konsentrasi ragi berpengaruh nyata terhadap yellowness (b*). Waktu fermentasi berpengaruh nyata terhadap Lightness (L*), yellowness (b*), nilai pH, dan kadar gula reduksi. Perlakuan terbaik adalah AIBI (konsentrasi ragi 0,25% dan waktu fermentasi 2 jam) dengan karakteristik wama (Lightness (L*) 56,40%, redness (a*) 4,77%, yellowness (b*) 21,45%, AE* 3,00, karakteristik kimia (kadar karoten total 1,13 ppm, total padatan terlarut 12,30°Brix, nilai pH 6,02, kadar gula reduksi 2,77 g/mL), karakteristik mikrobiologi (angka lempeng total 9,42 log cfu/mL), dan karakteristik sensoris (wama 2,48, aroma 2,52, dan rasa 2,44).


Availability
Inventory Code Barcode Call Number Location Status
1407002344T71682T716822014Central Library (REFERENCES)Available but not for loan - Not for Loan
Detail Information
Series Title
-
Call Number
T716822014
Publisher
Inderalaya : Prodi Teknologi Hasil Pertanian, Fakultas Pertanian Universitas Sriwijaya., 2014
Collation
xx, 53 hlm.; ill.; tab.; 28 cm.
Language
Indonesia
ISBN/ISSN
-
Classification
635.207
Content Type
Text
Media Type
unmediated
Carrier Type
unspecified
Edition
-
Subject(s)
Prodi Teknologi Hasil Pertanian
Umbi-umbian
Specific Detail Info
-
Statement of Responsibility
Furika
Other version/related

No other version available

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  • KARAKTERISTIK MINUMAN FERMENTASI SARI UBI JALAR KUNING (Ipomoea batatas L.)
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