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Pectin is composed of complex polysaccharides that are present in the primary cell walls of a plant, and are abundant in the green parts of terrestrial plants. [5] Pectin is the principal component of the middle lamella, where it binds cells. Pectin is deposited by exocytosis into the cell wall via vesicles produced in the Golgi apparatus. [6]
Structure of a plant cell. Plant cells are the cells present in green plants, photosynthetic eukaryotes of the kingdom Plantae.Their distinctive features include primary cell walls containing cellulose, hemicelluloses and pectin, the presence of plastids with the capability to perform photosynthesis and store starch, a large vacuole that regulates turgor pressure, the absence of flagella or ...
Pecten (biology), any comb like structure in animals; Pecten, a genus of scallops; Pecten (company), a subsidiary of Sinopec; Pecten oculi, a structure in the bird retina which contains most of the vasculature
Pectin is found naturally in many fruits, chiefly tart varieties of apples, oranges and berries like blueberries. When the fruit is heated, the pectin is activated and leached into whatever liquid ...
The adjective, pectinate, means supplied with a comb-like structure. This form, cognate to pecten with both derived from the Latin for comb, pectin (genitive pectinis), is reflected in numerous scientific names in forms such as pectinata, pectinatus or pectinatum, or in specific epithets such as Murex pecten.
Cell wall and middle lamella (top). The middle lamella is a layer that cements together the primary cell walls of two adjoining plant cells.It is the first formed layer to be deposited at the time of cytokinesis. [1]
It is the main component of pectin, in which it exists as the polymer polygalacturonic acid. [1] In its open form, it has an aldehyde group at C1 and a carboxylic acid group at C6. Other oxidized forms of d -galactose are d -galactonic acid (carboxylic group at C1) and meso -galactaric acid ( mucic acid ) (carboxylic groups at C1 and C6).
Glycan molecules increase the complexity of the potential networks plant-based cellulose can configure itself into. Coextensive in the primary cell wall to both cellulose microfibrils and complementary glycan networks, is pectin which is a polysaccharide that contains many negatively charged galacturonic acid units. [17]