1,2,3,4,6-pentagalloyl glucose

1, 2, 3, 4, 6-pentagalloyl glucose(1, 2, 3, 4, 6-Pentagalloyl glucose) is pentahydroxy. And related common precursors.

1,2,3,4,6-Pentagalloyl glucose - -

[(2S, 3R, 4S, 5R, 6R) -2,3,5-tris [(3,4,5-trihydroxybenzoyl) oxy] -6 - [(3,4,5-trihydroxybenzoyl) oxymethyl] oxan-4 -yl] 3,4,5-trihydroxybenzoate

Another name

1,2,3,4,6-penta-O-galloyl-β-D-glucose 1,2,3,4,6-pentakis-O-galloyl-beta-D-glucose beta-penta-O-galloyl-glucose PGG 1,2,3,4,6-Penta-O-galloyl-beta-D-glucose

Identification information | = | | | |

(C (C (O (2) OC (═O) C 3 ═C (═C (═ C 3 ═C) ═C) ═C (═O) (= C (C (= C5) O) O) O) O (O) O) O (O) O) OC (= O) C6 = CC (= C (C (= C6) O) O) O

• InChI = 1 S / C 41 H 32 O 26 / c 42 - 17 - 1 - 12 (2 - 18 (43) 28 (17) 52) 36 (57) 62 - 11 - 27 - 33 (64-37 (58) 13-3-19 (44) 29 (53) 20 (45) 4-13) 34 (65-38 (59) 14-5-21 (46) 30 (54) 22 (47) 6-14) 35 (66-39 ) 15-7-23 (48) 31 (55) 24 (49) 8-15) 41 (63-27) 67-40 (61) 16-9-25 (50) 32 (56) 26 (51) 10 -16 / h 1 - 10, 27, 33 - 35, 41 - 56 H, 11 H 2 / t 27 -, 33 -, 34 +, 35 -, 41 + / m 1 / s 1 Key: QJYNZEYHSMRWBK-NIKIMHBISA-N

Characteristic | C 41 H 32 O 26 | 940.67 g / mol Precision mass | 940.118181 u Unless otherwise specified, data is at (25 ° C) · (100 kPa).

Pentagalloyl glucose can precipitate including human beings.

There is a possibility that it can be used again.

table of contents

Natural presence

1, 2, 3, 4, 6-pentagalloyl glucose can be seen in,,, and the like.

Biogenesis

Uses and to generate D- and pentagalloyl glucose.

metabolism

Is produced oxidatively and from pentagalloyl glucose by two.

Is an enzyme found in the leaves of American hazenoki and catalyzes the galloylation from 1,2,3,4,6-penta-O-galloyl-β-D-glucose.

Chemical

Pentagalloyl glucose undergoes a pH-dependent oxidation reaction.

Source

1.

2.

3.

4. Elaeocarpus sylvestris modulates gamma-ray-induced immunosuppression in mice: implications in radioprotection. Park E, Lee NH, Baik JS and Jee Y, Phytother Res., August 2008, volume 22, issue 8, pages 1046-1051, , 5. *Punicafolin, an ellagitannin from the leaves of Punica granatum. Takashi Tanaka, Gen-Ichiro Nonaka and Itsuo Nishioka, Phytochemistry, Volume 24, Issue 9, 1985, Pages 2075-2078, 6. ^ Gallotannin biosynthesis: purification of β-glucogallin: 1,2,3,4,6-pentagalloyl-β-d-glucose galloyltransferase from sumac leaves. Ruth Niemetz and Georg G Gross, Phytochemistry, Volume 49, Issue 2, 28 September 1998, pages 327-332,: 7. *

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Post Date : 2018-03-04 00:30

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