| Autor: |
Santos Pereira, Alberto dos, do Amaral, Ana Claudia Fernandes, Araujo Silva, Margareth de, Aquino Neto, Francisco Radler de |
| Zdroj: |
Zeitschrift für Naturforschung C; June 2001, Vol. 56 Issue: 5-6 p357-362, 6p |
| Abstrakt: |
The terpenes, sterols, alkaloid (glaucine) and a-tocopherol show seasonal variation for Croton hemiargyreus hemiargyreus and Croton echinocarpus. The amounts of triterpenes are higher during the tropical summer and in most samples the major sesquiterpene was characterized as caryophyllene. The seasonal variation of glaucine showed a maximum between June and October for C. hemiargyreus, and was present only in January and June in C. echinocarpus. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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