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Image of Karakteristik minuman fermentasi sari ubi jalar kuning (Ipomoea batatas L.)

Text

Karakteristik minuman fermentasi sari ubi jalar kuning (Ipomoea batatas L.)

AGUSTAM IRAWAN - Personal Name;

Penilaian

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dari 5
Penilaian anda saat ini :  

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 (A1 : 0,25%, A2 : 0,50%,
A3 : 0,75% dan A4 : 1%) dan faktor B adalah waktu fermentasi (B1 : 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
A1B1 (konsentrasi ragi 0,25% dan waktu fermentasi 2 jam) dengan karakteristik
warna (Lightness (L*) 56,40%, redness (a*) 4,77%, yellowness (b*) 21,45%, ∆E*
3,00, karakteristik kimia (kadar karoten total 1,13 ppm, total padatan terlarut
12,300Brix, nilai pH 6,02, kadar gula reduksi 2,77 g/mL), karakteristik mikrobiologi
(angka lempeng total 9,42 log cfu/mL), dan karakteristik sensoris (warna 2,48, aroma
2,52, dan rasa 2,44).


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Detail Information
Series Title
-
Call Number
Agu k 2014
Publisher
Inderalaya : Fak. Pertanian., 2014
Collation
xx, 47 hlm.:ilus.
Language
Indonesia
ISBN/ISSN
-
Classification
NONE
Content Type
-
Media Type
-
Carrier Type
-
Edition
-
Subject(s)
-
Specific Detail Info
-
Statement of Responsibility
-
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