Calcium Alginate Price Trend Analysis 2026: Historical Prices, Market Insights, Price Drivers, Supply Demand Analysis & Latest News
Calcium Alginate Price Trend 2024
In 2024, calcium alginate prices experienced significant volatility, primarily driven by complex global market dynamics affecting seaweed production. South Korea, commanding over 70% of the global dried seaweed market, faced unprecedented challenges with seaweed harvests impacted by rising ocean temperatures and marine desertification.
The pricing was substantially influenced by multiple interconnected factors. Japan's seaweed harvests reached near-record lows, with wakame production in the Sanriku coastal region hitting historic minimums since 1977. This scarcity was compounded by a global surge in demand, particularly from markets like the United States, where Korean seaweed products were increasingly popular.
Structural industry challenges further complicated the pricing landscape. Over 40% of fishing village populations were aged over 70, indicating significant demographic stress in seaweed farming. The Ministry of Oceans and Fisheries in South Korea responded by planning to expand seaweed farming areas by approximately 2,700 hectares and researching high-temperature-resistant seaweed variants.
Analyst Insight
According to Procurement Resource, the market for calcium alginate is expected to behave in a similar manner in the coming months. Investment in sustainable cultivation technologies, climate-adaptive farming techniques, and expanding global markets could lead to gradual price stabilization and improved production resilience in the coming years.
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Calcium Alginate prices kept on vacillating in accordance with the fluctuations in the prices of its feedstock material seaweed, but the overall market outlook was still very firm throughout. Tanzania, the biggest seaweed producer, registered a record 52% year-on-year growth in the seaweed yield in the third quarter. This essentially reduced the production costs of calcium alginate and reduced the upstream cost support, imparting a slide in the calcium alginate price trend.
The downstream demands from the food and medicine industries also remained steady, and the inventories were also stocked sufficiently. All these factors dictated an average performance of the calcium alginate market throughout the second half of the year 2023.
The price trend for Calcium Alginate closely follow that of its feedstock seaweed. The seaweed prices experienced major fluctuations in H1’23, especially in Asia, as the majority of the global seaweed production comes from the Asian region. The production yields fell significantly due to adverse weather conditions and a red tide outbreak in Japan’s main seaweed-producing region. This led to a significant rise in farmers’ prices, prompting the leading processors to raise their prices.
Hence, the prices of seaweed and allied products rose amidst high demands from both domestic and international markets. Further, the majority of the supplies available were diverted for food, causing a shortage of supplies for alginate production. The high upstream costs coupled with the consistent downstream demands caused the calcium alginate prices to incline in the concerned period.
The price trend for calcium alginate closely mimic the pricing pattern of its feedstock seaweed. The Asian continent, especially Indonesia is the biggest producer and exporter of seaweed. After, crashing in H1, feedstock seaweed prices started picking pace in the middle of H2 2022. As Indonesia eased export bans, Chinese consumers were back in the market. The holiday season also affected the demand and prices of seaweed prices as it is consumed as a ceremonial food in many parts of Asia.
While the demand kept volatile it directly impacted the livelihood of the coastal farming community causing the prices to rise. Thus, the price trend of calcium alginate recorded a mixed outlook throughout the global markets.
Calcium alginate is the calcium salt of alginic acid or alginate extracted from seaweed. The price of feedstock seaweed governs the price trend for calcium alginate globally. Southeast Asia fulfils the majority of the global seaweed demand. Recently the prices of Indonesian seaweed (the largest producer) have been highly volatile, making it difficult for farmers to earn a sustainable living.
Since China is the principal processor of seaweed, feedstock prices mainly depend on robust demand from China. With zero-tolerance covid restrictions placed by the Chinese government, the manufacturing industry suffered. Even after removing restrictions, the turnaround was not optimum as the market demand sentiment suffered from inflated prices and supply-side constraints.
This fall in demand from China negatively impacted Indonesian seaweed prices, which further affected the prices of calcium alginate. Also, the export restrictions placed by the Indonesian government and depreciation against the US dollar further crashed seaweed prices. The prices of seaweed in China averaged 2.97-4.21 USD/kg, while that in Europe averaged 3.56-3.87 USD/kg.
However, in the US domestic market, the seaweed prices were slightly raised due to higher demand averaging 10.55 USD/kg. Despite the oscillating trend in seaweed prices, calcium alginate prices remained afloat in the global market owing to the steady demand from the pharmaceutical and dental industries.
About Calcium Alginate
Alginate is usually referred to as the salts of alginic acid and can exist as calcium, magnesium, and sodium salts and is often referred to as algin. Calcium alginate is a water-insoluble, gelatinous substance prepared by adding aqueous calcium chloride to sodium alginate. It is non-toxic and is generally recognized as safe in food. It is often used as hydrogels, dental impressions materials, absorbents, etc.
Calcium Alginate Product Detail
C18H24CaO19
Alginic Acid, Calcium Salt
DuPont de Nemours, Inc, Marine Biopolymers Limited, Shandong Jiejing Group Corporation, Algaia, KIMICA, Ceamsa
Regional Coverage
Asia Pacific
Europe
North America
Latin America
Africa
CurrencyUS$ (Data can also be provided in local currency)
Supplier Database AvailabilityYes
Customization ScopeThe report can be customized as per the requirements of the customer
Post-Sale Analyst Support360-degree analyst support after report delivery
Note: Our supplier search experts can assist your procurement teams in compiling and validating a list of suppliers indicating they have products, services, and capabilities that meet your company's needs.
Calcium Alginate Production Processes
- Production of Calcium Alginate from Extraction Process
The seaweed is broken into pieces to extract the alginate and stirred with a hot sodium carbonate solution. It then separates as a thick slurry of sodium alginate. The slurry is then diluted with water and subjected to many filtration processes to remove the impurities. Then the sodium alginate is treated with an aqueous solution of calcium chloride; thus, the required product calcium alginate separates from the solution.
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