期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 48, 期 12, 页码 6174-6177出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf991382z
关键词
Leuceana leucocephala; Nitrosomonas europaea; gallocatechin; epigallocatechin; catechin; epicatechin; nitrification inhibitors
资金
- NCRR NIH HHS [1-S10-RR04750] Funding Source: Medline
The nitrification inhibition (NZ) bioassay guided fractionation of the methanol extract of lyophilized and milled roots of Leuceana leucocephala resulted in the isolation of four compounds, 1-4, as confirmed from their H-1 and C-13 NMR spectral data. Compound 1, gallocatechin, was the most active NI inhibitor at 12 mug/mL. Epigallocatechin, 2, and epicatechin, 4, isolated as mixtures, were not assayed individually for their NI inhibitory activities against the nitrification bacterium Nitrosomonas europaea.
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