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Maltose (/ ˈ m ɔː l t oʊ s / [2] or / ˈ m ɔː l t oʊ z / [3]), also known as maltobiose or malt sugar, is a disaccharide formed from two units of glucose joined with an α(1→4) bond. In the isomer isomaltose , the two glucose molecules are joined with an α(1→6) bond.
The term, blend, refers to spun fibers or a fabric composed of such fibers. [1] [3] There are several synonymous terms: a combination yarn is made up of two strands of different fibers twisted together to form a ply; [1] a mixture or mixed cloth refers to blended cloths in which different types of yarns are used in warp and weft sides. [4] [5]
The following other wikis use this file: Usage on af.wikipedia.org Maltose; Usage on ar.wikipedia.org مالتوز; ملتاز; Usage on ba.wikipedia.org
Compound fabrics [3] or Double-faced fabrics are a form of double cloth made of one warp and two sets of wefts, or (less often) two warps and one weft. These fabrics have two right sides or faces and no wrong side, and include most blankets, satin ribbons, and interlinings. [2] Double weaving is an ancient technique.
Amylose A is a parallel double-helix of linear chains of glucose. Amylose is made up of α(1→4) bound glucose molecules. The carbon atoms on glucose are numbered, starting at the aldehyde (C=O) carbon, so, in amylose, the 1-carbon on one glucose molecule is linked to the 4-carbon on the next glucose molecule (α(1→4) bonds). [3]
Working from the non-reducing end, β-amylase catalyzes the hydrolysis of the second α-1,4 glycosidic bond, cleaving off two glucose units at a time. During the ripening of fruit, β-amylase breaks starch into maltose, resulting in the sweet flavor of ripe fruit. β-amylase is present in an inactive form prior to seed germination.
In the manufacture of cloth, warp and weft are the two basic components in weaving to transform thread and yarn into textile fabrics. The vertical warp yarns are held stationary in tension on a loom (frame) while the horizontal weft (also called the woof) is drawn through (inserted over and under) the warp thread. [1]
One method of pretreatment is to soak the wood with diluted acids (with concentrations around 4%). This converts the hemicellulose into monosaccharides. When pretreatment is done with bases (for instance sodium or potassium hydroxide) this destroys the structure of the lignin. [20] This changes the structure from crystalline to amorphous.