3 edition of Chemical investigations of Chondrus crispus found in the catalog.
Chemical investigations of Chondrus crispus
James A. Rigney
|Other titles||Norris Collection.|
|Statement||by James A. Rigney for Vessels and Engineering Division, Industrial Development Branch, Fisheries and Marine Service, Environment Canada.|
|Series||Technical report series -- no. 66, Technical report series (Canada. Fisheries and Marine Service. Industrial Development Branch) -- no. 66.|
|Contributions||Canada. Fisheries Service. Vessels and Engineering Division., Canada. Fisheries and Marine Service. Industrial Development Branch.|
|The Physical Object|
|Pagination||87 p. :|
|Number of Pages||87|
Chondrus crispus thalli is due to constructive interference of light reflected by a multilayered cuticle structure. Furthermore, electron micrographs and spectroscopy data suggest that structural colour in Chondrus crispus is determined by the ability to achieve hydrated tissue and produce a high number of uniformly deposited cuticular by: Irish moss extractive, also known as carrageenin, the water-soluble extractive from the red sea plant Chondrus crispus, is a hydrocolloid gum, the use of which dates back to ancient times. The active component is pictured as a mixed salt sulfate ester of the polysaccharide complex, composed principally of D-galactopyranose and some L-galactose units, 2-ketogluconic acid units, and nonreducing.
The chemical composition of seaweed varies, which is dependent on the type of species, the time of collection, geographic habitat, and on many external conditions such. Primary Chemical Name is the standard name assigned to a chemical substance. Chondrus Crispus Extract: CAS Registry Number: Chemical Abstracts Service Registry Number is a unique identifier for a chemical and its synonyms. CAS numbers identify the chemical, but .
Chrondus crispus and other Red Algae (Gracilaria) Images. Chrondus crispus has fan-like shaped tops consisted of wide flat fingers, and can vary in color from greenish-yellow, to red, to dark purple, to purplish-brown. Chrondus crispus. The next 2 images are from scientific study of the properties of Chrondus crispus. Click for the article. Seaweeds are a rich source of protein and can contain up to 47% on the dry weight basis. It is challenging to extract proteins from the raw biomass of seaweed due to resilient cell-wall complexes. Four species of macroalgae were used in this study-two brown, Fucus vesiculosus and Alaria esculenta, and two red, Palmaria palmata and Chondrus crispus.
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Dried and fresh extract of Red alga Chondrus crispus investigated as potential marine antifoulants. Marine antifouling performance assessed using micro and macro bioassays. Algal extracts incorporated within coatings and tested in field trial. Dried extract inhibited biofouling in a similar manner to the fresh and field trials indicate an antifouling by: Asystematic investigation of these two substances, known for convenience as the cold and hot extracts, is nowbeing undertaken, but although it is not as yet completed, the results so far obtained are thought to beof sufficient importance to justify publication at this stage.
It has long been known that Chondrus crispus yields on incineration a. Chondrus crispus, or Irish moss, is a common edible red seaweed that can be found on rocky shores in the Northern Atlantic.
The cell wall contains carrageenan and C. crispus is the original source of this commercially used thickener. Chondrus crispus, Chemical investigations of Chondrus crispus book Irish Moss as it is commonly known, is the red marine plant used most widely as the source of carrageenan, an important commercial product in industrial and food additives.
The chemical structure of carrageenan is somewhat similar to that of cellulose, both being polymers. A crude extract of the red seaweed, Chondrus crispus, was the marine NP tested, as it had been shown to have anti-microbial efficacy , while the terrestrial NPs were the pure compounds, (+)-usnic acid and juglone, isolated from a lichen and the black walnut.
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Chemical investigations of Chondrus crispus. 26 p. Canada. Fisheries Service. Industrial Development Branch. Outline specification for foot L.O.A. combination fishing vessel. 32 p. Taylor, A.R. Studies of the biology and ecology of Chondrus crispus Stack.
(Irish moss) on Prince Edward Island (progress. Codium fragile and Chondrus crispus are, respectively, green and red seaweeds which are abundant along the North Atlantic coasts.
We investigated the chemical composition and antiviral activity of enzymatic extracts of C. fragile (CF) and C. crispus (CC). On a dry weight basis, CF consisted of 11% protein, 31% neutral sugars, % sulfate, % uronic acids, and 49% ash, while CC contained 27% Cited by: The Chondrus crispus genome was sequenced using a whole genome shotgun strategy.
The data were generated by paired-end sequencing of cloned inserts using Sanger technology on ABIxl sequencers. The main raw data for the genome project are fold coverage sequencing, produced from genomic libraries with various insert sizes (Table S).
File Size: 3MB. Effects of the Methanolic Extract of Chondrus crispus (CCME) on the General Health of C. elegans. In an attempt to test whether CCME affected the general health of the animals, we carried out lifespan and brood size assays with 0, or mg/mL of CCME supplemented to the standard laboratory nematode growth medium (NGM).Cited by: Journal of the Chemical Society (Resumed) (Chondrus crispus).
Part I. The linkage of the d-galactose residues and the ethereal sulphate. Buchanan, E. Percival and E.
Percival Abstract. The first page of this article is displayed as the abstract. books or book chapters) do not need to formally request permission to reproduce Cited by: Mastocarpus stellatus, also called Clúimhín Cait (cats' puff), carragheen, or false Irish moss, is a species of red algae closely related to Irish Moss, or Chondrus crispus.
It is collected in Ireland and Scotland, together with Chondrus crispus as Irish moss, dried, and sold for cooking and as the basis for a drink reputed to ward off colds and : Florideophyceae.
Chondrus crispus f. typica Reinke, Chondrus crispus var. aequalis (Goodenough & Woodward) Lyngb., Chondrus crispus var. incurvatus Lyngb., Chondrus crispus var. lacerus (Stackh.) Duby, Chondrus crispus var.
patens Duby, Chondrus crispus var. planus (Turner) Duby, Chondrus crispus var. sarniensis (Turner) Duby, The Chondrus crispus frond specimen was submerged in water and spectra were obtained at normal incidence in the range of – nm from the surface of the frond.
These collected spectra allowed Cited by: The main four seaweed species for carrageenan production used in industry are Eucheuma denticulatum, Kappaphycus alvarezii, Chondrus crispus, and Sarcothalia addition, a fifth red seaweed, Furcellaria lumbricalis, is a source of furcellaran, which is very similar to this study, the chemical composition including total lipid, fatty acid profile, tocopherol content Author: Alireza Naseri, Susan Løvstad Holdt, Charlotte Jacobsen.
CHEMICAL COMPOSITION Carrageenans have the common feature of being linear polysaccharides with a repeating structure of alternating 1,3-linked b-D-galactophyranosyl arid 1,4-linked a-D-galactophyranosyl units (Figure 1).The 3-linked units occur as the 2- and 4-sulfate, or unsulfated, while the 4-linked units occur as the 2-sulfate, the 2,6-disulfate, the 3,6-anhydride, and the 3,6-anhydride Other articles where Chondrus is discussed: seaweed: Various species of Chondrus, including Irish moss (C.
crispus), carpet the lower half of the zone exposed. The principal constituent of Irish moss is a gelatinous substance, carrageenan, which can be Irish moss, (Chondrus crispus), species of red algae (family Gigartinaceae) that grows abundantly along the rocky parts of the Atlantic coast of the British Isles, continental Europe, and North America.
The morphologically similar sporophytic and gametophytic plants of Chondrus crispus Stackhouse were examined and it was shown that the former contain λ-carrageenan. The gametophytes contain ϰ- and two additional carrageenans which are KCl-soluble and may comprise up to 25% of the total carrageenan.
After alkaline modification, these KCl-soluble components were separated into a Cited by: Gigartinine, 5-(3-amidinoureido)aminovaleric acid, and L-citrullinyl-L-arginine were islated from aqueous extracts of Chondrus crispus (Rhodophyceae). Their identifications were confirmed by chemical procedures, and 1 H and 13 C nuclear magnetic resonance and infrared spectroscopic methods.
Citrullinylarginine, gigartinine, taurine, citrulline, and glutamic acid were the predominant free Cited by:. Irish moss, also called Carrageen moss, Carragheen, Carrageen, is red algae in the order Gigartinales which are found on rocks, pools, lower intertidal, shallow subtidal.
The fronds of Irish moss are fan shape which is mm high, mm broad and 2 or or 12 inches long. The frond is cartilaginous, dark purplish, red, yellowish or /Chondrus crispus Stackhouse. Common names: Irish Moss, Carragheen, Carrageen, Carrageen Moss (Eng.), Mousse d'Irlande (French), Irisch Moos (German), Carraigín (Irish) Description: Cartilaginous, dark purplish-red fronds, female plants sometimes iridescent at the apices under water when in good condition (below) and turning almost completely greenish-yellow in upper-shore rock-pools (below.
Azevedo, G., Torres, M.D., Sousa-Pinto, I., Hilliou, L.: Effect of pre-extraction alkali treatment on the chemical structure and gelling properties of extracted hybrid carrageenan from Chondrus crispus and Ahnfeltiopsis devoniensis.
Food Hydrocoll. 50, Author: M. D. Torres, N. Flórez-Fernández, H. Domínguez.