CD Skripsi

Karakteristik Agar Rumput Laut Merah (Gelidium spinosum) Diekstrak Dengan Konsentrasi Naoh Berbeda

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Gelidium spinosum is a type of red seaweed that produces agar (12-48%) so it has a high economic value. Agar can be obtained through extraction with NaOH solution. This study aimed to determine the characteristics of red seaweed Gelidium spinosum agar extracted with NaOH and the best NaOH concentration in producing agar. The research method was a direct experimental method with the extraction of red seaweed Gelidium spinosum agar using NaOH. The experimental design in this study was a non-factorial Completely Randomized Design (CRD) with 3 levels of NaOH concentration treatment (8%, 10% and 12%). The results showed that NaOH concentration had a significant effect on the characteristics of red seaweed Gelidium spinosum agar. This is shown from the results of characteristics such as yield of Gelidium spinosum red seaweed agar at 8% concentration (12.41%), 10% concentration (13.38%), and 12% concentration (16.88%). Moisture content at 8% concentration (9.11%), 10% concentration (11.93%), and 12% concentration (14.86%). Ash content at 8% concentration (2.28%), 10% concentration (3.93%), and 12% concentration (5.83%). Gel strength at 8% concentration (155.2 g/cm²), 10% concentration (174.7 g/cm²), and 12% concentration (217.9 g/cm²). Viscosity at 8% concentration (12.49 cp), 10% concentration (14.89 cp), and 12% concentration (17.38 cp). The best treatment was shown in the NaOH 12% concentration treatment which was in accordance with the National Standards Agency (moisture content 17 cp).

Keywords: agar, extraction, Gelidium spinosum, gel strength, viscosity

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

1904113730

Penerbit

Pekanbaru : Universitas Riau - FAPERIKA – Teknologi Hasil Perikanan., 2024

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

1904113730

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

TEKNOLOGI HASIL PERIKANAN

Info Detail Spesifik

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Pernyataan Tanggungjawab

Jaka

Versi lain/terkait

Lampiran Berkas

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