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Title Composition of Photosynthetic Pigments in A Red Alga Kappaphycus alvarezi Cultivated in Different Depths
Edition
Call Number
ISBN/ISSN 1876-6196
Author(s) Tatas H.P. Brotosudarmo
Leenawaty Limantara
Heriyanto
Indriatmoko
Subject(s) Chlorophyll/carotenoid ratio
Kappaphycus alvarezii
photo-stability
pigment acclimation
pigment composition
thermo-stability
Classification
Series Title
GMD Prosiding Ilmiah Internasional
Language English
Publisher Elsevier B.V
Publishing Year 2015
Publishing Place Singapore
Collation
Abstract/Notes The red alga Kappaphycus alvarezii (Doty) Doty ex P.C. Silva has been introduced and mono cultivated in Indonesia as a seaweed commodity. This species is specifically grown in shallow and clear seawater, although there are several reports concerning the cultivation in deep seawater. It is interesting to know compositional changes of chlorophylls and carotenoids when K. alvarezii is grown at different depths. In this investigation, therefore K. alvarezii green and brown variants were cultivated at about 0.2 m (normal grown condition), 1 m, and 2 m depths and successfully obtained different ratios of chlorophyll and carotenoid composition at different depths. Quantitative analyses of chlorophylls to carotenoids ratio were carried out using data of chromatogram peak area. This investigation subsequently evaluated the photo and thermo-stability of the pigment extracts to examine the effects of pigment composition on the degradation rate of the pigments. This investigation was aimed to provide information regarding compositional change of the pigments by acclimation in terms of cultivation depths and pigment stability in vitro at condition of natural pigment composition in this alga.
Specific Detail Info Copyrights : http://www.sciencedirect.com/science/article/pii/S1876619615000297 Procedia Chemistry Volume 14
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