- pectic substances
- 果胶质
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
pectic substances
Look at other dictionaries:
pectic acid — noun a complex acid that occurs in ripe fruit and some vegetables • Hypernyms: ↑acid * * * noun Etymology: French acide pectique : any of the pectic substances composed mostly of colloidal polymeric galacturonic acids and essentially free from… … Useful english dictionary
pectic acid — SYN: d galacturonic acid. * * * pectic acid n any of various water insoluble substances formed by hydrolyzing the methyl ester groups of pectins * * * pec·tic ac·id (pekґtik) a complex acid occurring in fruits, containing partially demethylated… … Medical dictionary
pectic acid — noun Date: 1830 any of various water insoluble substances formed by hydrolyzing the methyl ester groups of pectins … New Collegiate Dictionary
pectic — adjective Of or pertaining to pectin or pectin like substances … Wiktionary
pectic — Relating to any of the substances or materials now referred to as pectin. [G. pektos, stiff, curdled] * * * pec·tic pek tik adj of, relating to, or derived from pectin * * * pec·tic (pekґtik) relating to pectin … Medical dictionary
Пектиновые вещества — пектины (от греч. pektós сплочённый, свернувшийся, замёрзший), высокомолекулярные Полисахариды, присутствующие в растворимой (растворимый пектин) или нерастворимой (протопектин) форме во всех наземных растениях и в ряде водорослей.… … Большая советская энциклопедия
wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… … Universalium
Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… … Universalium
pectin — pectinaceous /pek teuh nay sheuhs/, pectinous, adj. /pek tin/, n. Biochem. a white, amorphous, colloidal carbohydrate of high molecular weight occurring in ripe fruits, esp. in apples, currants, etc., and used in fruit jellies, pharmaceuticals,… … Universalium
Pinnularia — is a fresh water alga and a type of Bacilliophyta (diatoms).HabitatPinnularia is a fresh Water alga, usually found in ponds and moist soil.They can also be found in springs, estuaries, sediments and in the ocean.General StructureCell Wall and… … Wikipedia
protopectin — /proh teuh pek tin/, n. Biochem. any of the class of water insoluble pectic substances that are found in the rind of citrus fruits or in apple peels and that are hydrolyzed to pectin or pectic acid. Also called pectinogen, pectose. [1905 10;… … Universalium
