phlobaphenen.

Brit.

/ˈflɒbəfiːn/, U.S.

/ˈflɑbəˌfin/

Forms: 1800s– phlobaphen, 1800s– phlobaphene.

Origin: A borrowing from German. Etymon: German Phlobaphen.

Etymology: < German Phlobaphen (C. Stähelin & J. Hofstetter in Ann. der Chem. u. Pharm. 51 (1844) 68 ) < ancient Greek ϕλοιός bark (see phloem n.) + βαϕή dye ( < βαϕ- , stem of βάπτειν to dip: see baptize v.) + German -en -ene comb. form. Compare French phlobaphène (1876 or earlier).

Chemistry.

Any of a class of reddish or brownish water-insoluble pigments which occur in various barks and other plant tissues, and are polymeric derivatives of tannins.

ΘΚΠ

the world > life > biology > substance > pigment > [noun] > plant pigments > red or brown

phlobaphene1862

phycophaein1885

the world > matter > colour > named colours > red or redness > red colouring matter > [noun] > of natural bodies

India lake1652

carmine1712

cochenillin1819

santalin1833

carthamic acid1838

anthocyanin1853

phlobaphene1862

brazilin1863

carthamin1863

carminic acid1876

the world > matter > colour > named colours > brown or brownness > colouring matter > [noun] > of natural bodies

phyllophaein1858

phlobaphene1862

phycophaein1885

phaeophyll1890

1862 H. Watts tr. L. Gmelin Hand-bk. Chem. XV. 493 Phlobaphene [Ger. Phlobaphen] is an ordinary constituent of the outer bark of Pinus sylvestris, Betula alba, yellow cinchona-bark, and the bark of Platanus acerifolia.

1887 Athenæum 10 Dec. 787/2 It [sc. tannin] is decomposed into glucose, gallic acid, and a substance analogous to phlobaphen.

1895 Naturalist 23 It [sc. the hawthorn] yields a phlobaphene with acids.

1938 Thorpe's Dict. Appl. Chem. (ed. 4) II. 91/2 The tannins.., which include phlobaphen, function as very weak acids.

1960 K. Esau Anat. Seed Plants xiii. 164 The tannin compounds in the tanniniferous cells are oxidized to brown and reddish-brown phlobaphenes which are easily perceived under the microscope.

1994 Cell 76 543/2 Only one maize gene (P) is known to regulate phlobaphene biosynthesis.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	phlobaphene
释义	phlobaphenen. Brit. /ˈflɒbəfiːn/, U.S. /ˈflɑbəˌfin/ Forms: 1800s– phlobaphen, 1800s– phlobaphene. Origin: A borrowing from German. Etymon: German Phlobaphen. Etymology: < German Phlobaphen (C. Stähelin & J. Hofstetter in Ann. der Chem. u. Pharm. 51 (1844) 68 ) < ancient Greek ϕλοιός bark (see phloem n.) + βαϕή dye ( < βαϕ- , stem of βάπτειν to dip: see baptize v.) + German -en -ene comb. form. Compare French phlobaphène (1876 or earlier). Chemistry. Any of a class of reddish or brownish water-insoluble pigments which occur in various barks and other plant tissues, and are polymeric derivatives of tannins. ΘΚΠ the world > life > biology > substance > pigment > [noun] > plant pigments > red or brown phlobaphene1862 phycophaein1885 the world > matter > colour > named colours > red or redness > red colouring matter > [noun] > of natural bodies India lake1652 carmine1712 cochenillin1819 santalin1833 carthamic acid1838 anthocyanin1853 phlobaphene1862 brazilin1863 carthamin1863 carminic acid1876 the world > matter > colour > named colours > brown or brownness > colouring matter > [noun] > of natural bodies phyllophaein1858 phlobaphene1862 phycophaein1885 phaeophyll1890 1862 H. Watts tr. L. Gmelin Hand-bk. Chem. XV. 493 Phlobaphene [Ger. Phlobaphen] is an ordinary constituent of the outer bark of Pinus sylvestris, Betula alba, yellow cinchona-bark, and the bark of Platanus acerifolia. 1887 Athenæum 10 Dec. 787/2 It [sc. tannin] is decomposed into glucose, gallic acid, and a substance analogous to phlobaphen. 1895 Naturalist 23 It [sc. the hawthorn] yields a phlobaphene with acids. 1938 Thorpe's Dict. Appl. Chem. (ed. 4) II. 91/2 The tannins.., which include phlobaphen, function as very weak acids. 1960 K. Esau Anat. Seed Plants xiii. 164 The tannin compounds in the tanniniferous cells are oxidized to brown and reddish-brown phlobaphenes which are easily perceived under the microscope. 1994 Cell 76 543/2 Only one maize gene (P) is known to regulate phlobaphene biosynthesis. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1862
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