• Proceedings of the Korean Society of Life Science Conference
• /
• 2007.10a
• /
• pp.121.1-121.1
• /
• 2007

See Full Text

• Fisheries and Aquatic Sciences
• /
• v.8 no.4
• /
• pp.243-246
• /
• 2005

The addition of seaweed extracts was found to regulate the viability of cultures of the crustose coralline alga Lithophyllum yessoense. The viability was quantitated using a triphenyltetrazolium chloride assay, and the methanol-soluble extracts from 18 prevalent seaweed species were tested. Extracts from Codium fragile and Enteromorpha linza inhibited viability, and a Hizikia fusiform is extract slightly increased viability. The methanol extract of C. fragile, which had the strongest inhibitory activity, decreased viability to 72 or $52\%$ that of the control following addition of 0.2 or 2 mg/mL of extract to the culture, respectively. The main active compound in the C. fragile was lipid. This information is a preliminary result related to the exploration of seaweed restoration in the algal whitening area.

• Journal of the Korean Society of Food Science and Nutrition
• /
• v.33 no.4
• /
• pp.757-761
• /
• 2004

The alginate extracted from Hizikia fusiform by the acid alkali soluble alginate (AASA) extraction method was reacted with Na$_2$SO$_4$. The amount of sulfate absorbed in the 3% alginate solution was determined about 18,435 ppm by inductively coupled plasma-atomic emission spectrometry. Both alginate and S-alginate stimulated the growth of Lactobacillus acidophilus in MRS broth and peptone water medium. The addition of S-alginate to the media showed the higher bacterial numbers than alginate supplement. There was no mutagenic activity of S-alginate in the Ames test using the Salmonella Typhimurium TA98 and TA100 strains. The S-alginate showed suppressive effect against 2-NF and MMS of mutagens.