Examining the Differences Between Fresh, Dried, and Rehydrated Seaweed

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Seaweed is highly regarded as a valuable gift from the sea, renowned for its abundant nutritional properties that are beneficial for our overall well-being. In the market, there are three main varieties of seaweed that are frequently mentioned: fresh seaweed, dried seaweed, and seaweed extract. In this article, we will explore the distinctive characteristics that set each type apart from one another.

What are the Benefits of Fresh Seaweed?

Fresh seaweed is a seaweed that is freshly harvested and immediately placed in a separate tank filled with seawater to promote healing of the cuts. Subsequently, it is carefully stored in a sealed container to maintain its freshness and preserve its quality. It is advisable to consume the fresh seaweed within a period of 3-5 days from the harvesting date to ensure optimal taste and freshness.

Along with the traditional refrigeration method, a freezing technique is now available to preserve fresh seaweed for a period of 3 – 4 weeks. However, it should be noted that this method may cause a slight decrease in the seaweed’s initial freshness.

The current market price for fresh seaweed typically ranges between 200,000 and 300,000 VND per kilogram.

Understanding Dried Seaweed and Seaweed Extracts

What are dried seaweed and seaweed extract?
Fresh seaweed after drying (extracting water) will become dried seaweed

In reality, dried seaweed and seaweed extract are essentially the same. Dried seaweed is produced from fresh seaweed that is harvested and then subjected to a drying or water extraction process. This serves to decrease the water content within the seaweed and enhance its shelf life.

After processing, dried seaweed can be stored in saltwater packs weighing approximately 100g or 200g. Alternatively, it can be preserved in vacuum packaging, allowing for a shelf life of up to 6-8 months when stored in the refrigerator.

Dried seaweed retains its taste and nutritional value without significant alteration. To rehydrate it, simply soak the seaweed in water, restoring its freshness and crispiness.

The current market price of dried seaweed ranges from 500,000 to 600,000 VND per kilogram.

Please take a look at our range of seaweed extract products. We offer a variety of options that are available for purchase.

The price for this item is approximately 16,900 VND.

Price: Approximately 42,000 VND

The price is approximately 21,000 VND.

Price: Approximately 39,200 VND

Exploring the Price Difference Between Fresh and Dried Seaweed by Weight

The conversion ratio for dried seaweed to fresh seaweed is 1:2 – 2.5. This means that 1kg of dried seaweed will expand to 2 – 2.5 times its original weight when soaked in water, resulting in an equivalent weight of 2 – 2.5kg of fresh seaweed.

Preparing and Using Fresh and Dried Seaweed – A Guide

There are several dishes that can be made using fresh seaweed and dried seaweed. Both types of seaweed have similar tastes and quality. However, there are slight differences in the preparation methods for these two types.

How to prepare and use fresh seaweed and dried seaweed
Before use, fresh seaweed or dried seaweed should be soaked in water.

Seaweed can be enjoyed in various ways. It can be enjoyed fresh or incorporated into a variety of dishes such as rice, salad, sushi, sashimi, grilled dishes, toasted sesame sauce, and mustard.

How to eat seaweed
Seaweed can be consumed fresh or incorporated into various dishes such as rice, salad, sushi, or paired with condiments like roasted sesame sauce and mustard…

Comparison between Fresh Seaweed and Dried Seaweed:

  • Fresh seaweed: Has a short usage time of 3 – 5 days. It is easier to prepare and has a price range of approximately 200 – 300 thousand VND per kilogram.
  • Dried seaweed: Has a longer usage time of 6 – 8 months. It requires a slightly more complicated preparation method and is priced at around 500 – 600 thousand VND per kilogram.

Both types of seaweed have the same taste, so your choice can depend on your preferences and usage requirements.

Seaweed, whether fresh or dried, offers consistent nutritional composition and a multitude of health benefits. Armed with this information, you can confidently choose the ideal seaweed variety for your needs.

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