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Jul 01 2006

How to Make Gelatin (Gulaman) from Seaweeds

Posted by: Leo in Food Processing 1,220 Views

Seaweeds must be harvested from the sea very early in the morning or while the tide is still low. (Read Farming Seaweeds here)

Procedure:

  1. Wash the seaweeds very well, drain and dry (Spread over a wire or bamboo screen for the purpose) for a week.
  2. To remove the fishy odor and taste, soak and dry the seaweeds in fresh water for 5-10 minutes, and dry again in the sun until it becomes dirty yellow in color.
  3. Bleach in 1 liter of water with 1 tbsp. vinegar until it turns olive green in color.
  4. Put again in the sun until it turns light brown.

To extract agar:

  1. Put 1 kilo dried seaweeds in 1 liter water with 1 tbsp. Vinegar (or more effective, in 3-1/2 liter water, 80 ml. 0.1 N sulfuric acid (H2SO4)
  2. Boil and constantly stir for 1 hour.
  3. Strain in muslin cloth while hot.
  4. Allow to cool in room temperature for 5 hours.
  5. When it has hardened, slice into desired sizes.
  6. Put in ice sprinkled with salt for 2-3 days, or in a freezer overnight.
  7. Next day, thaw the frozen seaweeds and allow to dry.
  8. Put again in the sun until the desired fineness is attained.
  9. When it cools, it is then ready to cook or bring to market.

PICKLED SEAWEEDS

Materials: EucheumaIngredients:

  • carrots
  • green and green pepper
  • garlic
  • ginger

Pickling solution:

  • 1 cup vinegar
  • 1 cup sugar
  • 1 tsp salt

Procedures:

  1. Soak eucheuma in fresh water overnight.
  2. Drain and cut into desired length.
  3. Blanch in lukewarm water for 5 minutes. Let it cool.
  4. Boil the pickling solution for 5 minutes. Let it cool.
  5. Mix all ingredients in a bowl except the pickling solution.
  6. Pack in sterilized bottles
  7. Pour the solution into filled bottles then seal completely.

photo from toraya-group.co.jp, earthwalknorthwest.com

This entry was posted on Saturday, July 1st, 2006 at 4:57 pm and is filed under Food Processing.You can follow any responses to this entry through the RSS 2.0 feed.You can leave a response, or trackback from your own site.


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One Response to “How to Make Gelatin (Gulaman) from Seaweeds”

  1. 1
    gerson Says:
    May 17th, 2008 at 3:45 pm

    i’ve tried extracting agar from dried seaweeds but 1 liter of water plus 1 tbsp of vinegar is not enough, i tried 15 liters instead and it worked… my only problem is how to achieve the cube form or shape of commercial gulaman bars… mine was wrinkled and bent

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