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Kelp polysaccharides are used in skin care as gelling ingredients and because of the benefits provided by fucoidan. [ citation needed ] Kombu (昆布 in Japanese, and 海带 in Chinese, Saccharina japonica and others), several Pacific species of kelp, is a very important ingredient in Chinese, Japanese, and Korean cuisines.
Laminaria digitata. Laminaria digitata is a tough, leathery, dark brown seaweed that grows to 2 or 3 metres (6 + 1 ⁄ 2 or 10 ft) long. The holdfast which anchors it to the rock is conical and has a number of spreading root-like protrusions called rhizoids.
It is a common large algae on shores where there is severe wave exposure [7] attached to rocks just below low-watermark in the "Laminaria belt", and is common on rocky shores in exposed places. [ 8 ] [ 9 ] It has a fairly high intrinsic growth rate compared to other algae, 5.5% per day and a carrying capacity of about 2 kg wet weight per square ...
A laminaria stick or tent is a thin rod made of the stems of dried Laminaria, a genus of kelp. Laminaria sticks can be generated from Laminaria japonica [ 2 ] and Laminaria digitata . [ 3 ] Second generation dilators such as Dilapan-S are composed of polyacrylonitrile , a plastic polymer. [ 4 ]
Laminaria has an ash content of 33%, while wood has about a 2% ash content when burned. Algae have a high water content requiring much energy to dry the algae before being able to properly use it. [16] More research is being done with anaerobic digestion, which is the most promising practice to extract energy from Laminaria.
Four pieces of magnesium filings are added to the ethanolic extract followed by few drops of concentrated hydrochloric acid. A pink or red colour indicates the presence of flavonoid. [ 39 ] Colours varying from orange to red indicated flavones , red to crimson indicated flavonoids, crimson to magenta indicated flavonones .