Zobrazeno 1 - 6
of 6
pro vyhledávání: '"F. J. Arriaga"'
Publikováno v:
International Journal of Agronomy, Vol 2012 (2012)
There is a potential in the southeastern US to harvest winter cover crops from cotton (Gossypium hirsutum L.) fields for biofuels or animal feed use, but this could impact yields and nitrogen (N) fertilizer response. An experiment was established to
Externí odkaz:
https://doaj.org/article/59d0a4f06cd84dd0a395e964933adacd
Publikováno v:
Botanica Acta. 105:300-305
In the course of continuing studies on the occurrence and chemical composition of lipophilic exudates on plant surfaces, the leaves of Empetrum nigrum have been studied. They were found to produce a considerable amount of lipophilic material which mo
Publikováno v:
Zeitschrift für Naturforschung C. 46:507-512
Two new triterpenoids, isolated from the frond exudate of the fern Notholaena rigida, have been identified as 3 β, 12 β,25-trihydroxy-(20 R-24 R)-epoxy-dammarane- 12-acetate (1), and 24 R,25-diO-isopropyliden-9(19)-cyclolanostan-3 β-ol (5), based
Publikováno v:
Zeitschrift für Naturforschung C. 47:922-924
In addition to several previously reported flavonoid aglycones, the white farinose material accumulating on the lower leaf surface of Notholaena grayi contains as major constituent a triterpene. This product has now been identified by detailed NMR sp
Autor:
J. Borges-Delcastillo, F. J. Arriaga
Publikováno v:
Magnetic Resonance in Chemistry. 23:487-488
13C NMR data are presented for plucheinol and its ester derivatives obtained from Pluchea odorata (L) Cass. A comparison with the data reported for cuauhtemone derivatives was carried out. An unexpected deshielding for C-4 in diester derivatives was
Autor:
F. J. Arriaga, J. Borges-del-Castillo
Publikováno v:
Planta Medica. 51:290-290