Algae & Sea VegetableOyster leaf
Mertensia maritima is a coastal halophyte known for its oyster-like flavor and high levels of omega-3 and omega-6 fatty acids, including gamma-linolenic acid and stearidonic acid. It contains potent antioxidants like tocopherols, carotenoids, and phenolic compounds. However, recent studies have identified the presence of pyrrolizidine alkaloids, which require caution regarding long-term or high-volume consumption.
Benefits
- Mertensia maritima is a coastal halophyte known for its oyster-like flavor and high levels of omega-3 and omega-6 fatty acids
- including gamma-linolenic acid and stearidonic acid. It contains potent antioxidants like tocopherols
- carotenoids
- and phenolic compounds. However
- recent studies have identified the presence of pyrrolizidine alkaloids
- which require caution regarding long-term or high-volume consumption.
Key compounds
Pyrrolizidine alkaloids (lycopsamine N-oxide)phenolic compounds (rutincaffeoylquinic acid)allantoinrosmarinic acidcarotenoids (lutein)Gamma-linolenic acid (GLA)stearidonic acidalpha-linolenic acidvitamin Cvitamin E (alpha-tocopherol)
May help with
- antioxidant support
- nutritional support
Best for these goals
antioxidant supportnutritional support
How to use it
Fresh leaves; microgreens; garnish
Evidence level
Limited
Cautions & interactions
Iodine: Variable/unknown | Contaminant concerns: Pyrrolizidine alkaloids (PAs) content; potential heavy metal accumulation in wild harvest | Contains pyrrolizidine alkaloids which can be hepatotoxic; avoid high or prolonged consumption, especially during pregnancy or lactation.
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