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All Journal Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology
Singgih Wibowo
Research and Development Center for Marine and Fisheries Product Processing and Biotechnology
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology

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Concentration and Characteristic of Floating Plastic Debris in Jakarta Bay: a Preliminary Study Dwiyitno Dwiyitno; Fairdiana Andayani; Umi Anissah; Hedi Indra Januar; Singgih Wibowo
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 15, No 3 (2020): December 2020
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v15i3.462

Abstract

Marine debris, especially plastic debris, is becoming global awareness, including in Indonesia, due to the possible harmful effects on the environment and humans. The present study is the first assessment of the floating plastic debris in Jakarta Bay based on an at-sea survey. The study aimed to overview the accumulation of plastic debris in different zones (west, middle, and east) of the bay as the impact of wet and dry seasons. The results showed that plastic debris was found in most sampling stations with a maximum concentration of 10,300 and 7,400 items/km2 in the wet and dry seasons, respectively. Based on the plastic types, polyethylene (PE), polypropylene (PP), and polystyrene (PS) were the main accumulated plastic debris in Jakarta Bay with a predominant macro size between 2.5 and 20 cm. According to the plastic applications, packaging and consumer products were the majority of plastic debris at concentrations of 257-1,280 items/km2 and 936-983 items/km2 in the dry and wet season respectively. The spatial distribution of plastic litter in the observed surface water was correlated to temporal monsoon seasons rather than to the distribution of pollution source from rivers around the Jakarta Metropolitan Area. Moreover, the higher plastic concentration was found in the rainy west monsoon compared to that of the dry east monsoon.
Prospects and Health Promoting Effects of Brown Algal-derived Natural Pigments ratih pangestuti; Singgih Wibowo
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 8, No 1 (2013): May 2013
Publisher : Research and Development Center for Marine and Fisheries Product Processing and Biotechnol

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.v8i1.26

Abstract

Recently, a great deal of interest has been developed to isolate novel bioactive compounds from marine resources. Among marine resources, marine brown algae are considered valuable sources of structurally diverse bioactive compounds such as chlorophylls and carotenoids. Chlorophyll has been known for its antioxidant activity; meanwhile carotenoid is well known for its anticancer and anti-obesity properties. Therefore, marine brown algal-derived natural pigments have great potential for further development of valuable products in nutraceutical, and pharmaceutical areas. This contribution presents an overview of potential health benefits properties, and prospects of natural pigments derived from marine brown algae. Keywords: Marine algae, natural pigments, nutraceutical, pharmaceutical.
Co-Authors Dwiyitno Dwiyitno Fairdiana Andayani Hedi Indra Januar ratih pangestuti Umi Anissah