| 单词 | galacturonic acid |
| 释义 | > as lemmasgalacturonic acid galacturonic acid, a crystalline acid which is the uronic acid of galactose, and is the subunit from which pectin is composed.Formula: C6H10O7. ΚΠ 1917 Chem. Abstr. 11 2583 E[hrlich] isolated from the decompn. products of pectin d- galacturonic acid, a new isomer of glucuronic acid of the animal kingdom, and the d-form of E. Fischer's racemic aldehyde mucic acid. 1930 Jrnl. Biol. Chem. 86 491 Flax pectin..is made up of 61 per cent of galacturonic acid, and the pectic acid from orange peelings..is composed of 73.7 per cent of galacturonic acid. 1950 R. M. Smock & A. M. Neubert Apples & Apple Products xii. 341 A very slight increase in titratable acidity resulted,..presumably from the liberation of free galacturonic acid from the pectin by the enzymes. 1995 New Scientist 8 Apr. 23/3 Single molecules of galacturonic acid—the building block of pectins—would be relatively easy to detect. < as lemmas |
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