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Got Limu? Uses for Algae in Hawaii…. and Beyond!. Heather Spalding UH Manoa GK-12 Program Hui Malama Learning Center. What is algae, anyway?. ……YES!. Is it pond scum? Is it that slimy green stuff on the inside of your tanks? Is it seaweed? Is it limu? Is it ogo? Is it nori?

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got limu uses for algae in hawaii and beyond

Got Limu?Uses for Algae in Hawaii….and Beyond!

Heather Spalding

UH Manoa GK-12 Program

Hui Malama Learning Center

what is algae anyway
What is algae, anyway?

……YES!

  • Is it pond scum?
  • Is it that slimy green stuff on the inside of your tanks?
  • Is it seaweed?
  • Is it limu?
  • Is it ogo?
  • Is it nori?
  • Is it phytoplankton?
  • Is it a plant?

……YES!

……YES!

……YES!

……YES!

……YES!

……YES!

……NO!

three main divisions of marine algae in kingdom protista
Three main divisions of marine algae in Kingdom Protista:
  • Chlorophyta – green algae
  • Rhodophyta – red algae
  • Phaeophyta – brown algae
psycho phycos
Psycho Phycos
  • “phykos” = Greek for “alga”
  • Phycology = study of algae
  • Phycologist = someone who studies algae
  • Every Phycologist’s Pet Peeve:
  • “Alga” is singular
  • “Algae” is plural
  • “Algaes” do not exist!!!
algae is used for many purposes
Algae is used for many purposes
  • Fertilizer
  • Food for humans and animals
  • Hawaiiian cultural practices
  • Extracted products:
    • potash
    • algin
    • carrageenan
    • agar
most common algae used for food worldwide
Most common algae used for food worldwide
  • Porphyra (nori)
  • Gracilaria (ogo)
  • Rhodymenia (dulse)
  • Chondrus crispus (Irish moss)
nori better than potato chips
Nori: better than potato chips!

Also high in….

  • Iodine
  • Vitamin B12
  • Riboflavin
  • Calcium
  • Fiber
carrageenan
Carrageenan

Kappaphycus/Eucheuma

(Rhodophyta)

slide14
Agar
  • Extracted from Rhodophyta
algin alginate potash
Algin/Alginate & Potash
  • Extracted from Phaeophyta
identify then iron chef limu
Identify, then…IRON CHEF: Limu
  • Identify each alga by Genus species & Hawaiian name Use a recipe or create your own recipe using algae!
slide17

Ulva

(Limu palahalaha)

Sea lettuce

common algae limu eaten in hawaii
Common Algae (Limu) Eaten in Hawaii

Dictyopteris

(Limu lipoa)

Sargassum

(Limu kala)