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单词 methoxylated
释义

methoxylatedadj.

Brit. /mᵻˈθɒksɪleɪtᵻd/, U.S. /məˈθɑksəˌleɪdᵻd/
Origin: Formed within English, by derivation. Etymons: methoxyl n., -ated suffix.
Etymology: < methoxyl n. + -ated suffix. Compare French méthoxylé (1932).
Chemistry.
Containing one or more methoxyl groups.
ΚΠ
1913 R. M. Isham (title) The preparation and properties of certain methoxylated carbinols, olefins and ketones derived from trimethylgallic acid.
1927 Bot. Gaz. 83 331 Pectin, the term applied to the water soluble, methoxylated pectic substances occurring in plant tissue.
1946 Nature 2 Nov. 625/2 Low methoxylated pectin gels can now be prepared with a low sugar content and with an increased range of pH.
1957 R. H. Thomson Naturally Occurring Quinones ii. 10 Another group of simple quinones comprises hydroxylated and methoxylated derivatives of benzoquinone and toluquinone, most of which are mould products.
1977 Ann. Internal Med. 86 22/1 Pectin is a partially methoxylated polymer of galacturonic acid, a constituent of plant cell walls, and obtained commercially from apples and citrous fruits as a by-product of the cider and fruit juice industries.
1990 Brain 113 1549 In plasma, 11C-NMF is conjugated within minutes to form a glucuronide, and is more slowly metabolized to hydroxylated and methoxylated forms.
This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).
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adj.1913
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