TITLE

Spatial and Temporal Variation of Carotenoids in Four Species of Trentepohlia (Trentepohliales, Chlorophyta)

AUTHOR(S)
Kharkongor, Diana; Ramanujam, Papiya
PUB. DATE
December 2015
SOURCE
Journal of Botany;12/27/2015, p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Trentepohlia Martius, a dominant green subaerial alga, grows abundantly in Shillong and imparts the yellow, red, and orange colours to most of the tree barks, walls, rocks, and electric poles because of high accumulation of carotenoids in their filaments. This study emphasised the seasonal changes in carotenoid content amongst four different species of Trentepohlia, that is, T. diffracta, T. arborum, T. umbrina, and T. abietina, collected from four different substrata, that is, wall, rock, electric pole, and three types of tree bark (smooth, fissured, and rough). Quantitative estimation of different carotenoids, namely, β-cryptoxanthin, lutein, and β-carotene, from HPLC chromatogram peak showed a significant seasonal variation in all of the four species and β-carotene was threefold more in winter compared to summer. Amongst the selected species, T. diffracta collected from wall contained the highest amount of β-carotene both in summer and in winter, followed by T. arborum from rock and T. abietina from bark, and least amount was in T. umbrina collected from electric pole. Comparing the carotenoid content in Trentepohlia abietina growing in different types of barks, sample from smooth bark had the highest amount of carotenoids both in summer and in winter, followed by the sample from rough bark, and lowest amount was noted in fissured bark.
ACCESSION #
111961626

 

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