ekstraksi rumput laut

Multiple Choice

Apa itu serat pangan?

• Komponen tumbuhan yang dapat dicerna oleh enzim pencernaan manusia

• Komponen tumbuhan yang tidak dapat dicerna oleh enzim pencernaan manusia

• Komponen hewan yang tidak dapat dicerna oleh enzim pencernaan manusia

• Komponen hewan yang dapat dicerna oleh enzim pencernaan manusia

Multiple Choice

What is the range of total fiber content in seaweed compared to terrestrial vegetables?

• 10-20%

• 20-30%

• 30-50%

• 50-70%

Multiple Choice

What are the benefits of high fiber from seaweed?

• Improves digestion

• Supports bacterial growth

• Lowers cholesterol

• Controls blood sugar

Multiple Choice

What are some examples of high-fiber seaweed products?

• Agar-agar bubuk / jelly

• Nori (lembaran rumput laut kering)

• Salad rumput laut (seaweed salad)

• Suplement serat berbasis alginat atau karagenan

Multiple Choice

Apa yang dimaksud dengan antioksidan?

• Zat yang mempercepat penuaan

• Zat yang menetralkan radikal bebas

• Zat yang merusak sel tubuh

• Zat yang tidak stabil

Multiple Choice

What are the sources of antioxidants from seaweed?

• Vitamins

• Minerals

• Pigments

• All of the above

Multiple Choice

What are the benefits of antioxidants in seaweed?

• Prevent cell damage

• Increase body endurance

• Protect brain health

• Prevent aging

Multiple Choice

What are some examples of seaweed-based products that are rich in antioxidants?

• Seaweed salad

• Dried nori

• Seaweed-based powder drinks

• Fucoxanthin supplements

Multiple Choice

Apa itu agar-agar?

• Proses pengambilan zat agar dari rumput laut merah

• Zat yang digunakan dalam industri makanan

• Zat yang digunakan dalam mikrobiologi

• Semua jawaban benar

Multiple Choice

What is the process of extracting agar-agar components from seaweed?

• Using cold water

• Using hot water

• Using salt water

• Using vinegar

Multiple Choice

What factors affect the quality of agar?

• Concentration of NaOH

• Temperature and time of extraction

• Process of washing

• Type of seaweed

Multiple Choice

What is the recommended oven temperature range for drying agar-agar?

• 30-40 °C

• 50-60 °C

• 70-80 °C

• 90-100 °C

Multiple Choice

What is the process of extracting carrageenan from red seaweed?

• Extraction of polysaccharides

• Extraction of proteins

• Extraction of lipids

• Extraction of carbohydrates

Multiple Choice

What are the characteristics of Kappa, Iota, and Lambda based on their sources?

• Kappa: Membentuk gel kuat, padat

• Iota: Gel lunak, elastis

• Lambda: Tidak membentuk gel, hanya pengental

• Kappa: Gel lunak, elastis

Multiple Choice

What are the techniques mentioned for industrial modification processes?

• Alkali treatment

• High pressure / microwave-assisted extraction

• Alcohol precipitation

• All of the above

Multiple Choice

Apa itu Gelatin?

• Protein hasil hidrolisis kolagen

• Karbohidrat

• Lemak

• Vitamin

Open Ended

What are the functions of alginate in food and biomedical applications?

Open Ended

What is the optimal pH range for alginate?

Fill in the Blanks

Fill in the blank: The main source of alginate is

(Phaeophyta).

Multiple Choice

What are the main components of alginate?

• Sodium alginate

• Calcium alginate

• Potassium alginate

• All of the above

Multiple Choice

What is the primary use of alginate in products?

• Stabilizer

• Thickener

• Gel former

• All of the above

Multiple Choice

What are the main products that utilize carrageenan?

• Ice cream, chocolate milk

• Jelly and pudding

• Processed meat products

• Bioplastics and hydrogels

Multiple Choice

What are the raw materials used to make fish gelatin?

• Fish skin

• Fish scales

• Fish bones

• Clean water

Multiple Choice

What are the advantages of fish gelatin compared to beef/pork gelatin?

• Easier to dissolve

• Higher gelling temperature

• Not halal

• Environmental impact

Multiple Choice

What are the purposes of using fish gelatin?

• Alternative source of halal gelatin

• Reduce dependence on beef/pork gelatin

• Utilization of valuable fish waste

• Support food, pharmaceutical, and cosmetic industries

Multiple Choice

What are the benefits of fish gelatin?

• Stabilizer in food products

• Used in cosmetics

• Source of collagen protein

• All of the above

Multiple Choice

What are the suitable raw materials from fish for gelatin?

• Fish skin

• Fish scales

• Fish bones

• All of the above

Multiple Choice

What are the important amino acids found in fish gelatin?

• Glycine

• Alanine

• Serine

• Cysteine

Multiple Choice

What are the stages of fish gelatin extraction?

• Preparation of materials

• Pretreatment with acid/base

• Collagen extraction

• Filtration and clarification

Poll

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