Algae. 1997; 12(1): 17-21.

Characterization of UV-absorbing Compounds in Korean Macrophytes, Ulva pertusa Kjellman (Chlorophyta), Hizikia fusiformis (Harvey) Okamura (Phaeophyta), and Pterocladia capillacea (Gmelin) Bornet et Thuret (Rhodophyta)

Hyun-Woung Shin, Gwang Hoon Kim

Department of Botany, University of Hawaii. Department of Biology, Kongju National University

UV-absorbing compounds were investigated in Korean macrophytes using absorbance and fourth-derivative spectra. Pterocladia capillacea and Hizikia fusiformis each revealed a single absorbance maximum at 334 nm while Ulva pertusa did not show any UV-absorbing compound absorbance maximum. Fourth-derivatives of P. capillacea and H. fusiformis revealed two predominant UV-absorbing maxima at 325 nm and three absorbance maxima at 325, 338.5 and 356 nm. The ratios of absorbance maxima UV-absorbing compound to Chl. a were 1.28 for P. capillacea and 4.51 for H. fusiformis, respectively.

Keywords : absorbance spectra, Hizikia fusiformis, mycosporine amino acids, Pterocladia capillacea, Ulva pertusa, UV-absorbing compounds