Sea Lettuce (Ulva lactuca)

I. General Information

A. Scientific Name:

Ulva lactuca

B. Alternative Names:

Sea Lettuce, Green Laver

C. Pronunciation:

see let-iss

II. Sourcing and Origin

A. Source:

Found in shallow, nutrient-rich coastal waters worldwide; cultivated in aquaculture farms.

B. Geographic Origin:

Found worldwide in shallow coastal waters

C. Method of Processing:

Harvested fresh, dried or powdered

III. Properties and Uses

A. Physical Properties:

Bright green, lettuce-like sheets; thin and delicate

B. Chemical Composition:

Protein, fiber, vitamin C, magnesium, iron, chlorophyll

C. Primary Uses:

Skincare: Detoxifying chlorophyll extracts

Haircare: Mineral support for scalp health

Wellness: Digestive and immune support

Culinary: Soups, salads, stir-fries

Household: Green food coloring, nutritional powder

D. Key Benefits:

Fresh, vibrant flavor; rich in vitamin C and chlorophyll

IV. Safety and Considerations

A. Potential Allergies:

Rare, but excessive intake may affect thyroid

B. Best Practices for Use:

Rinse well to remove sand; add at the end of cooking

C. Special Precautions:

Avoid polluted waters; sea lettuce can absorb heavy metals

V. Fun & Educational Facts

A. Historical Context:

Eaten along European and Asian coasts for centuries

B. Did You Know?

Sea lettuce is sometimes used as livestock feed and fertilizer

C. DIY Recipe Idea:

Sea lettuce salad with sesame dressing

Sea lettuce miso soup

Sea lettuce chips