Does Ogonori Go Bad

Does Ogonori Go Bad?

The red seaweeds contain a various number of species all over the world. Gracilaria, known as ogonori in japan, is an important ingredient in salted salads. It is a seaweed of warm water that ranges from 20-30 degrees Celsius. Ogonori is a bushy, branchy seaweed and comprised of irregular branches. If the ogonori seaweed is dried up, it will never go bad. People use the word “indefinitely” while talking about the seaweed going bad.

It can go good for years and years once it’s harvested if it is kept dried. It is non-perishable if properly stored and paced in an airtight container. The best before the date written on the back of the dried seaweed ogonori packet purchased from the grocery store does not mean the expiration date. However, it can go well after the best by the date mentioned under the lot number.

Can you store ogonori?

Ogonori is used as an ingredient in salad, nigiri, maki, and as topping on a rice bowl. You might be confused that how to store the ogonori as it is sold in many sheets. Not to worry about this article will tell you all about the ogonori. How to store it properly? What are the symptoms of ogonori going bad, and for how long can you keep it and it will go good? This article will provide all the answers to your questions. Following are the methods to store ogonori:

Store in Pantry

As ogonori is already a dried seaweed, you don’t have to dry it first and do not require any refrigeration; if you want to store the leftover ogonori sheets no need to take out the sheets from their original packet and then transfer it to a zip-lock or airtight bag because its original packet will provide them enough protection to it.

Just the thing you have to do is close the ogonori sheet packet from where it is opened with the help of a rubber band, or it will be more good if you close it with airtight bag sealer if you have it. Then place it in the pantry or any basement.


To retain the flavor of ogonori, you can refrigerate it. The environment inside the fridge is quite humid, so you need to check the temperature first and then put the ogonori in the airtight container or airtight bag and make sure no air is present because the moisture produced in the ogonori will spoil it. So it is necessary to take care of all the steps while refrigerating the ogonori seaweed.

Can you freeze ogonori?

As ogonori seaweed is already dried and has a very short lifetime, there is no need to be frozen. You have to deal with fresh seaweeds as soon as possible, so if you have bought more ogonori sheets than you require so you can freeze them.

Take the sheets out in an airtight container, store them in the container, and place them in the freezer. You don’t need to wash it before freezing because dried seaweeds do not require to be washed. The dried ogonori seaweeds can last for ten months if stored and placed in the freezer.

However, opening the packet of stored ogonori seaweed from the freezer immediately will become a reason for seaweed getting damp. Freezing does not kill the bacteria present in the seaweed, yet freezing causes the hibernation of bacteria. The same happens with moisture. It means they are inactive while freezing.

How long does ogonori last?

The salads in which the ogonori seaweed is used as an ingredient should be used within 4 hours approximately if placed at normal temperature. However, if the ogonori seaweed salad is stored in the refrigerator, it will keep up to good for around 3 to 4 days. Whereas storing it in the freezer will be another advantage because you will be able to use it for more than a year.

You can enjoy the flavor of ogonori seaweed even though its season has gone. The ogonori seaweed stored in the cupboard or pantry or any basement lasts for 2 to 4 months. If it is preserved in the refrigerator, it will be good for four months to half a year, but always keep in mind that you should store it in an airtight bag or container.

How to tell if ogonori is bad?

Seaweeds usually do not get worse, but if you put opened packet of ogonori in the fridge. It will get moldy in a week. But if the seaweeds are dried, they will taste fine and crispy for a long time because they don’t expire.

  • The bad or spoiled ogonori will have changes in color, flavor, and aroma
  • The spoiled ogonori will have a moldy texture, so you need to discard it.
  • If you notice the changing color of ogonori into more yellowish or brown, it means it might be losing its flavor, so immediately toss it.