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“Rong nho biển” (Caulerpa lentillifera J. Agardh 1837), which is commonly known as the “Seagrapes” or the “grape seaweed,” is a species of seaweed. It was first discovered and cultivated in Okinawa, Japan. There have various of published researches on the the seagrapes’ chemical composition showing that seaweed contains valuable biological substances, such as vitamins of group A, group B, group C, polyphenols, chlorophyll, etc., especially caulerpin - a substance that stimulates the taste buds to help the appetite as well as has the ability to help regulate blood pressure and enhance digestion, anti-cancer, anti-clotting, anti-viral, antioxidant. Seagrapes contain a huge amount of amino acids, minerals, enzymes that are beneficial for health.
Based on the research project on breeding seagrapes and renovating the coastal environment, grape seaweed was first piloted in ponds in 2004. The quality of fresh grape seaweed raised in ponds has been highly appreciated by the Japanese market for its standard. Vietnamese grape seaweed has a dark green color, and the fruit is larger and thicker than those in Japan. Seagrapes have opened up a new aquaculture industry that is environmentally friendly, low-risk, and improves the lives of farmers in coastal areas. Currently, the grape seaweed farming area has expanded to more than 200 hectares and will grow even stronger in the future because the market has expanded to countries around the world such as Japan, Korea, the United States, EU, Singapore, Malaysia, China, etc.
Vietnamese fresh seagrapes has the top quality in the world. However, in order to export fresh seagrapes to other countries requires a special processing because grape seaweed is very sensitive to external changes. In 2016, we have successfully researched the process of refining fresh grape seaweed after harvest. A strict, serious process, carefully supervised from the selection of breeding varieties to the post-harvest handling of raw materials, packaging, and shipping to the customer. This process is supervised and approved by the Japanese Ministry of Fisheries. The first shipment of fresh seagrapes was successfully exported to Japan on May 18, 2016.
  • According to The Japanese choice:
  • Size: 6-12cm.
  • Dark green color.
  • High density of fruits.
  • Absolute cleanliness.
  • Huge, thick-skinned grape.
  • High elasticity.
  • Preservation: 7-14 days
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Grape seaweed has been raised in aquaculture ponds since 2004 in Vietnam. At that time, the seagrapes market was very small and could not be expanded. The main reason lies in the progress of handling and processing into final products after harvesting, preserving the freshness, cleanliness, prolonging the expiry date. Gold Marine together with leading experts from Japan carried out a research project "Growing and processing fresh grape seaweed for international export" in 2012. By 2016, this process was implemented as perfectly as expected. Starting with the selection of a culture area that is free from contamination, where has sufficient conditions for grape seaweed to grow naturally. The process of growing grape seaweed is closely monitored based on the physiological characteristics of grape seaweed in nature, helping the grapevine to grow normally without the use of fertilizers or chemicals. From the harvesting, post-harvest processing, to transportation must also be scheduled and notified the partners immediately after 20 days of seeding. The whole process is a closed loop and must be strictly followed on schedule. Thus, the new grape seaweed is guaranteed to be safe and of good quality to supply to the international market. On May 18th, 2016, the first shipment was successfully exported to Tokyo - Japan, which marked an important first step for the "Made in Vietnam" fresh grape seaweed to conquer the global market.
Grape seaweed is rich in minerals, antioxidants, trace elements, amino acids, fatty acids, omega -3, omega-6, vitamins A, C, E, phosphorus, B vitamins, DHA, EPA and Choline. In fact, they often contain higher levels of these nutrients than most other foods.
Fucoidan and the abundant minerals contained in grape seaweed enhance the skin's ability to retain moisture, keep the skin firm, plump and reduce the wrinkles. It can be effective for healthy hair and beautiful skin. As it has low calories, so you can eat it with confidence.
Choline found in grape seaweed helps to transmit nerve signals, improves brain activity, and enhances memory.
Choline can prevent fatty liver disease and other liver-related diseases.
Moreover, choline also has the effect of preventing cardiovascular diseases, breast cancer in women and anti-inflammatory, etc.

Furthermore, although grape seaweed is low in calories, but they are rich in glutamate, which is an amino acid that is believed to give its delicious umami flavor. Therefore, it is used as an alternative, low-calorie snack.
Grape seaweed can help promote thyroid function.
Grape seaweed improves heart and blood vessels health
Grape seaweed helps prevent diabetes

Grape seaweed can help you in losing weight because the fucoidan found in grape seaweed can enhance the fat breakdown and prevent the formation of fat.
Grape seaweed can strengthen the immune system
Grape seaweed can improve intestinal health and prevent constipation

Grape seaweed may reduce the risk of cancer
The presence of seaweed in your diet can help reduce the risk of developing certain types of cancer, such as breast cancer, thyroid cancer, and prevent the spread of cancer cells. Soluble seaweed found in seaweed may also help protect against the development of colon cancer.