Which coastal mariculture crop, predominantly cultivated in shallow coastal waters in South Sulawesi, Nusa Penida (Bali), and East Nusa Tenggara, produces carrageenan for food thickeners?
Answer and explanation
Correct answer: C. Red Seaweed (Eucheuma cottonii)
- Step 1: Eucheuma cottonii (now classified as Kappaphycus alvarezii) is extensively cultivated on floating longlines in warm tropical bays. Step 2. Indonesia is the world's largest producer and exporter of carrageenan-bearing seaweed. Answer: Red Seaweed (Eucheuma cottonii). Why not the others: Giant kelp is a temperate species; Spirulina is a freshwater cyanobacterium.
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