An acylated pelargonidin 3-sophoroside from the pale-brownish red flowers of Ipomoea nil

Heterocycles

Volumn 63, Issue 6, 2004, Pages 1449-1454

  Toki, Kenjiro ^a   Saito, Norio ^b   Morita, Yasumasa ^c   Hoshino, Atsushi ^c   Iida, Shigeru ^c   Shigihara, Atsushi ^d   Honda, Toshio ^d  

^a MINAMI KYUSHU UNIVERSITY   (Japan)

^b MEIJI GAKUIN UNIVERSITY   (Japan)

^c NATIONAL INSTITUTE FOR BASIC BIOLOGY   (Japan)

^d HOSHI UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ANTHOCYANIN; PELARGONIDIN 3 SOPHOROSIDE; PIGMENT; UNCLASSIFIED DRUG;

ACYLATION; ARTICLE; CHEMICAL STRUCTURE; FLOWER; IPOMOEA; ISOLATION PROCEDURE; MUTANT; NONHUMAN; PHYTOCHEMISTRY;

EID: 2942556643     PISSN: 03855414     EISSN: None     Source Type: Journal    
DOI: 10.3987/com-04-10076     Document Type: Article

References (14)

1. S. Iida, Y. Morita, J.-D. Choi, K.-I. Park, and A. Hoshino, Adv. Biophys., 2004, 39, 141.
2. T. Hagiwara, Bull. Res. College Agr. Vet. Sci., Nihon Univ., 1954, 3, 1.
3. N. Saito, T. S. Lu, M. Akaizawa, M. Yokoi, A. Shigihara, and T. Honda, Phytochemistry, 1994, 35, 407.
4. N. Saito, F. Tatsuzawa, K. Kasahara, M. Yokoi, S. Iida, A. Shigihara, and T. Honda, Phytochemistry, 1996, 41, 1607.
5. K. Toki, N. Saito, S. Iida, A. Hoshino, A. Shigihara, and T. Honda, Heterocycles, 2001, 55, 2261.
6. The seed was obtained from Dr. E. Nitasaka (Kyushu University). The plant was grown in the farm of Minami-Kyushu University, and fresh corollas of this plant were collected in July to October, 2003.
7. 4).
8. + m/z 595.
9. Pigment B; UV λ max (0.1% HCl-MeOH) 518, 320, 283 nm. TLC Rf-values (x100): BAW: 57, BuHCl: 27, 1% HCl: 42, AHW: 76. HPLC Rt (min) 15.78.
10. + m/z 919.
11. Pigment D: UV λ max (0.1% HCl-MeOH) 507, 321, 285 nm. TLC Rf-values (x100) BAW: 78, BuHCl: 49, 1% HCl: 18, AHW: 52. HPLC Rt (min) 20.67.
12. J. B. Harborne, "Comparative Biochemistry of the Flavonoids", 1967, Academic Press, London and New York.
13. T. S. Lu, N. Saito, M. Yokoi, A. Shigihara, and T. Honda, Phytochemistry, 1991, 30, 2387.
14. 13C are in Table 1): H-4 of pelargonidin (pel): C-2, C-3, C-5, and C-9; H-6 of pel: C-8 and C-10; H-8 of pel: C-10; H-2′ and 6′ of pel: C-2, C-3′, C-4′, and C-5′; H-3′ and 5′ of pel: C-1′, C-2′, and C-6′; H-2 of caffeic acid (Caf): C-4 of Caf; H-5 of Caf: C-3 of Caf; H-6 of Caf: C-2 of Caf and C-5 of Caf; H-α of Caf: C-COOH; H-β of Caf: C-1 of Caf; H-1 of Glu A: C-3 of pel; H-2 of Glu A: C-1 of Glu B, C-1 of Glu A, and C-3 of Glu A; H-3 of Glu A: C-2 of Glu A and C-4 of Glu A; H-1 of Glu B: C-2 of Glu A.