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PENGARUH PENAMBAHAN KONSENTRASI MAIZENA YANG BERBEDA TERHADAP KARAKTERISTIK NORI RUMPUT LAUT Ulva lactuca (22t546)

JANITRA, SEMBADA GALANG (2022) PENGARUH PENAMBAHAN KONSENTRASI MAIZENA YANG BERBEDA TERHADAP KARAKTERISTIK NORI RUMPUT LAUT Ulva lactuca (22t546). Undergraduate thesis, Universitas Diponegoro.

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Abstract

ABSTRAK
Sembada Galang Janitra. 26030116140092. Pengaruh Penambahan
Konsentrasi Maizena yang Berbeda Terhadap Karakteristik Nori Rumput Laut
Ulva lactuca (Eko Nurcahya Dewi dan A. Suhaeli Fahmi)
U. lactuca merupakan salah satu jenis rumput laut untuk bahan baku
pembuatan nori. Nori U. lactuca memiliki tekstur yang kurang optimal dan kurang
menyatu. Tujuan dari penelitian ini adalah untuk mengetahui kombinasi antara
rumput laut U. lactuca dan maizena dalam pembuatan nori yang diharapkan
menghasilkan nori dengan karakteristik yang lebih baik. Maizena sebagai gelling
agent ditambahkan dalam pembuatan nori U. lactuca karena kandungan gel rumput
laut ini kurang bagus. Metode penelitian yang dilakukan adalah experimental
laboratories. Percobaan menggunakan Rancangan Acak Lengkap dengan
perlakuan konsentrasi maizena yang digunakan pada penelitian ini adalah 1%; 2%
dan 3%, serta konsentrasi 0% sebagai perlakuan kontrol. Data parametrik dianalisis
dengan uji ANOVA, data non parametrik dianalisis dengan uji Kruskal-Wallis dan
kemudian dilanjutkan uji lanjut Mann-Whitney. Hasil uji ANOVA menunjukkan
bahwa perbedaan konsentrasi maizena berpengaruh nyata terhadap nilai kadar air,
tensile strength, kadar protein, kadar asam glutamat, nilai warna dan nilai sensori.
Konsentrasi maizena terbaik adalah 2% dengan nilai kadar air 16,09%, tensile
strength 1,20 Mpa, kadar protein 11,79%, kadar asam glutamat 0,36%, nilai warna
L* 31,93; nilai warna a* -4,64; nilai warna b* 12,22 dan nilai sensori 7,24 < µ <
7,70 dengan selang kepercayaan 95%
Kata Kunci : Ulva lactuca, Nori, Maizena, gelling agent

ABSTRACT
Sembada Galang Janitra. 26030116140092. Effect of Addition of Different
Concentrations of Maizena on Nori Characteristics of Ulva lactuca Seaweed
(Eko Nurcahya Dewi and A. Suhaeli Fahmi)
U.lactuca is a type of seaweed used as raw material for making nori. Nori
U. lactuca has a texture that is not optimal and does not blend well. The purpose of
this study was to determine the combination of U. lactuca seaweed and cornstarch
in the production of nori which is expected to produce nori with better
characteristics. Cornstarch as a gelling agent is added in the production of U.
lactuca nori because the content of this seaweed gel is not good. The research
method used was a laboratory experiment. The experiment used a completely
randomized design with the concentration of cornstarch used in this study was 1%;
2% and 3%, and 0% concentration as control treatment. Parametric data were
analyzed using the ANOVA test, non-parametric data were analyzed with the
Kruskal-Wallis test and then continued with the Mann-Whitney follow-up test. The
results of the ANOVA test showed that differences in cornstarch concentrations
significantly affected the values of water content, tensile strength, protein content,
glutamic acid content, color values and sensory values. The best cornstarch
concentration was 2% with a water content value of 16.09%, a tensile strength of
1.20 Mpa, a protein content of 11.79%, a glutamic acid content of 0.36%, a color
value of L* 31.93; color value a* -4.64; b* color value 12.22 and sensory value
7.24 < µ < 7.70 with 95% confidence interval
Keyword : Ulva lactuca, Nori, Corn Starch, gelling agent

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Ulva lactuca, Nori, Maizena, gelling agent, Corn Starch
Subjects: Fisheries And Marine Sciences
Divisions: Faculty of Fisheries and Marine Sciences > Department of Fishery Products Technology
Depositing User: pancasila wati
Date Deposited: 06 Sep 2023 08:12
Last Modified: 06 Sep 2023 08:12
URI: https://eprints2.undip.ac.id/id/eprint/16073

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