Local and chemical distribution of phlorotannins in brown algae

@article{Shibata2004LocalAC,
  title={Local and chemical distribution of phlorotannins in brown algae},
  author={Toshiyuki Shibata and Shigeo Kawaguchi and Yoichiro Hama and Masanori Inagaki and Kuniko Yamaguchi and Takashige Nakamura},
  journal={Journal of Applied Phycology},
  year={2004},
  volume={16},
  pages={291-296}
}
The local and chemical distribution of phlorotannins among the Japanese Laminariaceae, Eisenia bicyclis, Ecklonia cava and Ecklonia kurome, was investigated. As a result of light microscopy observations with vanillin-HCl staining, phlorotannins were found to be accumulated within the vegetative cells of the outer cortical layer of the thalli, regardless of the species, stage of growth or organ. Crude phlorotannins comprised about 3.0% of the algal powder for each of the algae. High-performance… 

Distribution of Phlorotannins in the Brown Alga Ecklonia cava and Comparison of Pretreatments for Extraction

The brown seaweed Ecklonia cava is known to be a rich source of phlorotannins that have diverse biological activities and concentrations of dieckol and phlorofucofuroeckol-A, which were identified as major active components, were determined in different parts of the tissue.

Antioxidant activities of phlorotannins isolated from Japanese Laminariaceae

The antioxidant activities of brown algal phlorotannins were evaluated using the inhibition of phospholipid peroxidation in the liposome system, and by determining radical scavenging activities

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By combining several analytical techniques, phlorotannins in L. digitata were quantified and characterised with respect to fucol-to-phlorethol linkage ratio, molecular weight (distribution), and occurrence of structural isomers.

Analysis on the Structure of Phlorethols Isolated From the Warm-Temperate Brown Seaweed Sargassum carpophyllum and Their Antioxidant Properties

The brown seaweed Sargassum carpophyllum J. Agardh is an unused warm-temperate species in the family Sargassaceae that has been expanding its distribution along the coastal areas of Japan in recent

The Influence of Phlorotannins and Bromophenols on the Feeding Behavior of Marine Herbivorous Gastropod Turbo cornutus

Results indicate that phlorotannins and bromophenols act as chemical defense agents of brown algae against environmental stresses such as the herbivore attack.

Within-thallus variation on phlorotannin contents and physodes amount in Stypopodium zonale ( Phaeophyceae )

Phlorotannins are defensive compounds produced by brown macroalgae and stored in vesicles called physodes. However, few studies have been performed to determine the relationship between the number of

Within-thallus variation on phlorotannin contents and physodes amount in Stypopodium zonale (Phaeophyceae)

This study quantified the number of physodes and the amount of phlorotannins in apical and basal portions of Stypopodium zonale thallus to determine the relationship between the number and amount of these cellular structures and the total amount ofphlorotANNins in different regions of the thalli of seaweeds.
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