• Fisheries and Aquatic Sciences
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• 제27권1호
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• pp.35-47
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• 2024

The aim of this study was to analyze the income and productivity of seaweed farmers based on farmed land ownership status. This research was conducted in three provinces on the Sulawesi Island which are ranked among the 10 largest seaweed producers in Indonesia: Central Sulawesi, South Sulawesi and Southeast Sulawesi. The twelve study sites were determined based on 5 special criteria and 792 respondents fulfilled the criteria for seaweed farmers. Data were collected through field surveys and analyzed using qualitative and quantitative methods. Results showed that the seaweed farming areas are considered as private property with 4 types of marine land tenure or ownership status: own land, inherited land, leasehold land and purchased land. The productivity of seaweed farming land had a positive value greater than 1 in South Sulawesi and Southeast Sulawesi, and a positive value of less than 1 in Central Sulawesi. Seaweed cultivation in Central Sulawesi has not been managed effectively. At all sites, the maximum number of growing season cycles was 5 cycles/year. Optimal growing season conditions gave the highest marginal returns at 2-3 cycles/year with additional costs exceeding additional income for more than 3 cycles/year.

• 한국해양바이오학회지
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• 제4권1호
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• pp.6-10
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• 2010

Indonesia is well-known as biggest producer of seaweed especially for Eucheuma and Gracilaria and also has huge potential resources and capability to develop seaweed cultivation and product. There are several provinces which have potential resources and have been contributing on seaweed production. The next challenge about seaweed production is using integrated system on brackishwater and marine aquaculture. Furthermore, about 2,000,000 ton of potential seaweed production is not explored yet. This article also tries to figure out some related aspects which are technical, economical and forecasting aspect. There is a disease which named "ice-ice" is one of the main problem and giving a new challenge in developing of problem solving for seaweed cultivation method. Economical parameters are also main important key to find out the feasibility of seaweed cultivation industry. In addition, the seaweed cultivation and production in Indonesia also have potential performance on biofuel resources as a part for solving the world problem on energy demand.

• 수산해양교육연구
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• 제25권6호
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• pp.1336-1347
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• 2013

The marine algal flora assemblages settled on the artificial seaweed reefs in Jeju-do before and after rocky cleaning were investigated during summer and the early succession of seaweeds attached to the test panels on the structures of the artificial reef after rocky cleaning were observed by visual observations and under the dissecting microscope in order to evaluate the effects of this rocky cleaning operation. Species composition and algal biomass on the Bboolsamgak-typed seaweed artificial reefs before and after rocky cleaning were measured and compared before and after rocky cleaning. Before rocky cleaning in July 2012, only nine algal species had existed on the Bboolsamgak-typed seaweed artificial reefs, however, twenty algal species occurred on the seaweed artificial reefs after rocky cleaning in July 2013. Particularly, 15 species among them in July 2013 were not found in July 2012 and they seemed to occur newly on the artificial reefs. A large quantity of algal biomass increased in July 2013 after rocky cleaning. Based on the importance value, there was a drastic change in the dominant species between July 2012 and July 2013 after rocky cleaning. By dissecting micrographs, an epiphytic diatom, Licmophora sp. and flagellates, were observed on the 9th day. A chlorophyte, Ulothrix flacca was observed after 14 days, Ulva pertusa, Bryopsis pulmosa, crustose coralline algae, and Cladophora spp. were after one month. After two months, a significant species succession was observed from three previous chlorophyte species to crustose coralline algae existed as a dominant species on the panels. In this study, however, any brown algae were not found until three months in the early seaweed succession. All above results indicates that the rocky cleaning is a very efficient method for the establishment of macroalgal assemblages on the artificial reefs.

• Fisheries and Aquatic Sciences
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• 제21권7호
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• pp.19.1-19.11
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• 2018

Background: Traditionally, East-Asians (Korea, Japan, and China) utilize seaweeds as a food source and ingredient in traditional medicine. Korea is one of the biggest seaweed producer and consumer in the global trade. Especially, side dishes made from seaweeds are very popular in the traditional Korean cuisines. Seaweeds are popular as fresh vegetable salads and soup or eaten as snacks. Main body: Seaweeds are rich in essential nutrients, minerals, and vitamins as well as a promising source of novel bioactive compounds. The compounds (polysaccharides, polyphenols, and sterols) present in the edible Korean seaweeds possess important bioactive properties such as antioxidant, anti-inflammation, anticancer, anti-diabetic, and anticoagulant properties. Thus, the long-term consumption of seaweed has a potential to reduce the risk of cancer, diabetes, obesity, and inflammation-related complications. However, seaweed consumption is limited to the small population around the globe. Thus, it is important to increase the awareness of the health benefits of seaweeds consumption among the general population. Short conclusion: In the present study, we discussed some popular green and red edible Korean seaweeds and their health-promoting properties. This study might be useful to increase the public awareness of the consumption of seaweed as a food source.

• 한국해양바이오학회지
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• 제4권1호
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• pp.15-23
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• 2010

Seaweed has been consumed especially in the Asia since centuries ago as a vegetable (Matsukawa, 1997; Burtin, 2000; Raghavendran 2003). Seaweed has many valuable nutrients i.e. as a mineral resources, vitamin, and non-caloric fiber, also has potential antioxidant resources. Such of nutrition consists in the Seaweed is Chlorophyll, Carotene, Fucoxantine, Luteen and Zeaxantine, Polysaccharide and Diet Fiber, Mineral, Protein and Amino Acid, Fat and Fatty Acid, Vitamin, Polifenol, also Methanol. The benefits of some nutrition content on seaweed are as an antioxidant, slimmer agent, anti-diabetes, healthy for heart, eyes health, Iodium source, and some kind of vitamins functions. As a conclusion, developing research about seaweed we believe it would be a part of medicine material and food processing, also cosmetic industrial.

• 한국해양바이오학회지
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• 제1권2호
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• pp.59-62
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• 2006

Seaweed biotechnology is a multidisciplinary subject to produce food, pharmaceuticals, chemicals, and environmental remediation materials from seaweed resources. It uses various techniques of cell culture, enzyme reaction and genetic manipulation to increase the production efficiency of useful seaweeds or their products. Firstly, an overview of key topics will be introduced in the fields of seaweed tissue culture, strain improvement, genetic analysis briefly as basic techniques. Secondly, some biologically active substances such as anti-inflammatory and antifouling substances that have been screened in my laboratory will be focused.

• ALGAE
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• 제38권4호
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• pp.217-240
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• 2023

Sulfated polysaccharides (SPs) isolated from seaweed have emerged as remarkable bioactive compounds with a wide spectrum of biological activities and have substantial value in the scientific and industrial domains. The current study explores the diverse biological activities of SPs and their relationship with their structures. This aids in an in-depth examination of the multifaceted biological activities of SPs, including anticoagulant, anti-inflammatory, antiviral, antioxidant, and immunomodulatory properties, which underpin their potential health benefits. Furthermore, the current study explores the complicated properties of SPs, with their extraction methodologies and techniques for precise characterization. Elucidation of the commercial significance of SPs derived from brown, red, and green seaweed by highlighting their potential applications has emphasized their importance in human well-being. Further, this review emphasizes the challenges needed to overcome research and industrial innovations for SPs. Collaboration among researchers, industry stakeholders, and regulatory authorities can overcome these challenges and elevate the potential of SPs to revolutionize industries such as pharmaceuticals, cosmeceuticals, food, and biotechnology.

• 한국미생물·생명공학회지
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• 제39권3호
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• pp.189-199
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• 2011

최근에 해조류 유래 기능성소재는 항종양성, 항바이러스성, 항혈액응고 및 면역력 증강 등의 다양한 생리활성기능을 갖는 것으로 알려져 있다. 특히 해조다당류를 저분자화하면 다양한 생체조절기능성이 월등히 높게 나타나고 있음이 보고되고 있다. 따라서 해조다당류를 해조류로부터 효과적으로 추출할 수 있는 추출방법의 최적화 및 해조다당류의 저분자화를 통하여 해조다당류 기능성 증진 방법에 대한 연구가 활발히 진행되고 있다. 본 총설에서는 최근 부각되고 있는 해양 미생물 유래 해조다당류 분해효소를 이용한 기능성 신소재 개발 및 산업적 응용에 대하여 논하고자 한다.

• 수산해양교육연구
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• 제27권4호
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• pp.1021-1030
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• 2015

For the water quality improvement in the ocean outfall area of sewage treatment plant, this study tried to control the water quality of outfall area using the biofilter method through seaweeds, a way of ecological engineering treatment that is applicable in the marine ecosystem. Therefore, this research made an attempt the main factors necessary for creating seaweed bed to improve water quality in the outfall area of sewage treatment plant, and the results are as follows. In the case of making the seaweed bed in the ocean outfall area of sewage treatment plant, Habitat Suitability Index of Ecklonia cava per all survey points, considered physical and physico-chemical factors in 5~10 meters below sea level, was 50~93% (average 80%), so this seaweed, Ecklonia cava, was suitable for making the seaweed bed.

• ALGAE
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• 제18권1호
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• pp.1-12
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• 2003