Red seaweed
Kappaphycus, dried raw dried seaweed
Kappaphycus alvarezii — Kappaphycus Alvarezii Extract
The default Run below is Cebu, Philippines, 0.56 kgCO2e/kg gross, Category B. Published values for this ingredient span 0.12 to 0.90 kgCO2e/kg, which is why a number without its production parameters is not worth forwarding.
Species record
- Species
- Kappaphycus alvarezii
- INCI name
- Kappaphycus Alvarezii Extract
- Group
- Red seaweed
- Harvest methods
- Off-bottom line cultivation. Floating raft cultivation. Sun-dried on racks
- Conservation status
- Not assessed by IUCN. Cultivated. Introduced outside its native range in several countries.
- Typical uses
- Carrageenan feedstock, food, fertiliser.
- Declared unit
- One kilogram of sun-dried raw dried seaweed at 35% moisture, baled.
- Typical gross range
- 0.12 to 0.90 kgCO2e/kg, Category B
- Default sourcing region
- Cebu, Philippines, Route distance, Cebu to Rotterdam
- Sun drying removes the largest energy demand in the sector. This is the lowest gross footprint in the database.
- Transport is the largest single line item for most runs of this ingredient.
Calculator
Seven inputs, every one already filled with a regional default. Change the two or three you know. Nothing is submitted and nothing is saved.
Line-item inventory
| Line | Scope | kgCO2e/kg |
|---|---|---|
| Harvest and vessel fuel6.5 kg wet biomass at 0.90 l diesel per tonne2.68 kgCO2e/litre · IPCC 2006 Guidelines Vol. 2 stationary and mobile combustion, AR6 GWP100 · Category B | 1 | 0.016 |
| Drying energy0.03 kWh/kg on the Philippines grid0.6120 kgCO2e/kWh · IEA Emission Factors 2024, national average generation intensity · Category B | 2 | 0.015 |
| Extraction, milling and utilities0.23 kWh/kg on the Philippines grid0.6120 kgCO2e/kWh · IEA Emission Factors 2024, national average generation intensity · Category B | 2 | 0.138 |
| Fuel supply chain, well-to-tank0.006 l diesel upstream0.64 kgCO2e/litre · UK DESNZ conversion factors 2024, WTT diesel · Category B | 3 | 0.004 |
| Harvest gear and cultivation inputsGear, seed, nutrients and process chemicals, amortised0.060 kgCO2e/kg · Published tropical eucheumatoid LCA literature, sun-dried raw dried seaweed, gross cradle-to-gate. · Category B | 3 | 0.060 |
| Inbound haul, wet biomass6.5 kg over 65 km by road, Cebu, Philippines0.096 kgCO2e/t-km · GLEC Framework v3.0 default, >32t diesel truck · Category B | 3 | 0.041 |
| Outbound freight, finished ingredient1 kg over 16,400 km, sea freight, container0.016 kgCO2e/t-km · GLEC Framework v3.0 default, deep-sea container · Category B | 3 | 0.262 |
| Packaging0.012 kg pp woven sack per kg1.95 kgCO2e/kg · Plastics Europe eco-profile, PP resin plus conversion · Category B | 3 | 0.023 |
| Gross footprint | 1+2+3 | 0.559 |
Every factor and its source is printed in the Report. The full factor set is on the Methodology page.
Gross footprint, cradle-to-gate
Species-specific secondary data with named sources, applied to your stated production parameters.
Scope 1
2.8%
Harvest and fuel
Scope 2
27.4%
Purchased electricity
Scope 3
69.8%
Upstream and freight
Largest lever: outbound freight, finished ingredient, 0.26 kgCO2e/kg of the total, Category B.
Batch total for 5,000 kg: 2,793.9 kgCO2e
Biogenic uptake
0.72 kgCO2e/kg
Reported separately. Non-permanent. Not subtracted.
Land-based comparison
Bluecarbon Methodology 2026.2, Category B.
Published dairy protein LCA range, mid-point. Category C.
Published livestock LCA range, mid-point. Category C.
Published bovine hide and bone processing LCA range, mid-point. Category C.
Blue Bioeconomy Score: 100.0th percentile within the peer set of 3 red seaweed defaults in this database, Methodology 2026.2.
Get the Report
€390- Line-item inventory, every emission factor with its source
- Gross footprint with its Category grade, and the Scope 1/2/3 split
- Biogenic uptake reported separately, never subtracted
- Peer set and Blue Bioeconomy Score, with the peer set named
- Reduction section, quantified in kgCO2e/kg
- Methodology version, limitations, and the colophon
One ingredient, one Run, Kappaphycus alvarezii, Category B. Nothing recurs.
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