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KMID : 1023120150130040527
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Korean Journal of Aesthetic Society
2015 Volume.13 No. 4 p.527 ~ p.532
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Culture Optimization of Indigenous Microalgal Strain, Arthrospira sp. for Cosmetic Ingredients Screening
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Heo Jin-A
Cho Dae-Hyun
Kim Hee-Sik
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Abstract
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Microalgae including cyanobacteria are established commercial sources of high added-value raw materials such as β-carotene, astaxanthin, docosahexaenoic acid, eicosahexaenoic acid, phycobilin pigments and algal extracts for use in cosmetics. Arthrospira (Spirulina), a well known cyanobacterium, is rich in β-carotene, phycocyanin, gamma-linolenic acid (GLA) and most importantly, protein. Arthrospira research is scarce in Korea although extracts from this cyanobacterium is widely used in skin care products such as shampoo and cream but are imported. In this work, we isolated indigenous Arthrospira sp. from Korean fresh water. To optimize culture conditions, Photobiobox, a high throughput photobioreactor system for screening and optimizing microalgal culture conditions, was used. We showed that Arthrospira sp. had optimum temperature and light intensity of 25℃ and 200 μmol/m2/s, respectively, and the biomass concentration reached 1.45 g/L. The optimized culture condition can be used for biomass production and further studies on valuable algal bioproducts.
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KEYWORD
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Arthrospira sp., Cell extract, Cosmetic ingredients, Microalgae
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