Brown seaweed
Sugar kelp, cultivated and dried
Saccharina latissima — Saccharina Latissima Powder
The default Run below is Western Norway, 0.72 kgCO2e/kg gross, Category B. Published values for this ingredient span 0.60 to 4.20 kgCO2e/kg, which is why a number without its production parameters is not worth forwarding.
Species record
- Species
- Saccharina latissima
- INCI name
- Saccharina Latissima Powder
- Group
- Brown seaweed
- Harvest methods
- Longline cultivation, hatchery seeded. Vessel harvest at 4 to 6 months
- Conservation status
- Not assessed by IUCN. Cultivated, no wild stock pressure.
- Typical uses
- Food, feed, cosmetic actives, biostimulants.
- Declared unit
- One kilogram of dried, milled cultivated sugar kelp at 8% residual moisture.
- Typical gross range
- 0.60 to 4.20 kgCO2e/kg, Category B
- Default sourcing region
- Western Norway, Route distance, Bergen to Rotterdam gate
- Cultivation gear, hatchery and buoys carry more of the total than in a wild harvest.
- Longline gear is amortised over five seasons.
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 fuel9.2 kg wet biomass at 3.10 l diesel per tonne2.68 kgCO2e/litre · IPCC 2006 Guidelines Vol. 2 stationary and mobile combustion, AR6 GWP100 · Category B | 1 | 0.076 |
| Drying energy5.99 kWh/kg on the Norway grid0.0290 kgCO2e/kWh · IEA Emission Factors 2024, national average generation intensity · Category B | 2 | 0.174 |
| Extraction, milling and utilities2.11 kWh/kg on the Norway grid0.0290 kgCO2e/kWh · IEA Emission Factors 2024, national average generation intensity · Category B | 2 | 0.061 |
| Fuel supply chain, well-to-tank0.029 l diesel upstream0.64 kgCO2e/litre · UK DESNZ conversion factors 2024, WTT diesel · Category B | 3 | 0.018 |
| Harvest gear and cultivation inputsGear, seed, nutrients and process chemicals, amortised0.140 kgCO2e/kg · Published Northern European cultivated kelp LCA literature, gross cradle-to-gate. · Category B | 3 | 0.140 |
| Inbound haul, wet biomass9.2 kg over 90 km by road, Western Norway0.096 kgCO2e/t-km · GLEC Framework v3.0 default, >32t diesel truck · Category B | 3 | 0.079 |
| Outbound freight, finished ingredient1 kg over 1,450 km, road freight, heavy goods0.096 kgCO2e/t-km · GLEC Framework v3.0 default, >32t diesel truck · Category B | 3 | 0.139 |
| Packaging0.030 kg kraft multiwall paper sack per kg1.10 kgCO2e/kg · Published European kraft sack paper EPD range, mid-point · Category C | 3 | 0.033 |
| Gross footprint | 1+2+3 | 0.721 |
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
10.6%
Harvest and fuel
Scope 2
32.6%
Purchased electricity
Scope 3
56.8%
Upstream and freight
Largest lever: drying energy, 0.17 kgCO2e/kg of the total, Category B.
Batch total for 1,000 kg: 721.3 kgCO2e
Biogenic uptake
0.98 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: 60.0th percentile within the peer set of 6 brown 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, Saccharina latissima, Category B. Nothing recurs.
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