2010
DOI: 10.1590/s0100-40422010000700015
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Variação anual do rendimento e composição química dos componentes voláteis da Siparuna guianensis Aublet

Abstract: Aublet. This work describes the volatile composition obtained by hidrodistillation of fresh leaves of Siparuna guianensis Aublet collected from Cuiabá (MT), Brazil. The composition of DCM extract of hydrolate was determined by GC-MS analysis and the results showed that the specie present a range of components according to their phenology and period of the leaves were collects. The highest volatile components yield was obtained during the reproductive period and the principal compound was the siparunone.Keyword… Show more

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Cited by 16 publications
(10 citation statements)
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“…In the spring and summer seasons, the amount of oil obtained from the leaves of S. guianensis was lower, with 0.18 and 0.22% (w/w), respectively ( Figure 1). These results are consistent with the data found in the literature on the yield of oil extraction from S. guianensis leaves, with values ranging from 0.10 to 0.61% (w/w), in terms of quantity and seasonal variation, as shown in Figure 1 (Castellani et al 2006;Valentini et al, 2010b). Castellani et al (2006) also obtained higher levels of essential oil in autumn and lower in the spring for leaves of S. guianensis.…”
Section: Resultssupporting
confidence: 90%
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“…In the spring and summer seasons, the amount of oil obtained from the leaves of S. guianensis was lower, with 0.18 and 0.22% (w/w), respectively ( Figure 1). These results are consistent with the data found in the literature on the yield of oil extraction from S. guianensis leaves, with values ranging from 0.10 to 0.61% (w/w), in terms of quantity and seasonal variation, as shown in Figure 1 (Castellani et al 2006;Valentini et al, 2010b). Castellani et al (2006) also obtained higher levels of essential oil in autumn and lower in the spring for leaves of S. guianensis.…”
Section: Resultssupporting
confidence: 90%
“…The effect of water stress can be observed in other studies, such as that of Jaleel (2008), where Catharanthus roseus L. produced more ajmalicine under stress conditions. Valentini et al (2010b) studied S. guianensis in Minas Gerais, Brazil and found that in the dry season, the production of the essential oil reached 0.61%, whereas in the rainy season, it was about 0.10% (w/w).…”
Section: Resultsmentioning
confidence: 99%
“…Under the conditions evaluated, the major secondary metabolites of essential oils in S. guianensis leaves are terpenes (71.72%), determined by the predominance of sesquiterpenes (39.54%), such as germacrene, bisabolol, spatulenol, curzerene and atractilone, and monoterpenes (32.18%), and mircene was the major component. Sesquiterpenes and monoterpenes have been identified as major components in the volatile composition of leaves of S. guianensis collected from the Brazilian Amazon, Atlantic Forest and Cerrado (Zoghbi et al, 1998;Viana et al, 2002;Fischer et al, 2005;Montanari, 2010, Valentini et al, 2010b, with reports of this predominant composition in plants from neighboring countries as well, such as Panama (Souza and Felfilli, 2005). Another major volatile compound was the aliphatic acetone 2-undecanone, which was identified in previous studies (Fischer et al, 2005;Valentini et al, 2010) and is known as a toxic component of essential oils.…”
Section: Under the Natural Conditions Of The Forest Legalmentioning
confidence: 98%
“…In the Cerrado, the monitoring performed by Valentini et al (2010) in vegetation from Mato Grosso detected 5-fold higher yields, which was most likely related to local edaphoclimatic factors and the harvest season, with lower yields obtained during the vegetative phenological stage, which occurs from February to March. The leaves of S. guianensis may be sources of chemical components of biological interest, such as flavonoids (with anti-inflammatory action), tannins (antimicrobial action) and terpenoids (antimicrobial and insecticidal actions) (Montanari, 2010), and the oil of this species is mainly composed of sesquiterpene (70%) (Valentini et al, 2010b), a substance that was also detected in other studies performed in northern Brazil (Fischer et al, 2005). Such factors are essential to controlling medicinal plant raw material and must be considered when characterizing production at a regional scale, which has not been performed for S. guianensis.…”
Section: Cymbopogon Nardus L (Citronella) and Citrus Limoniamentioning
confidence: 99%
“…This specie has a fruit with sweet aril that is very attractive to birds, which are its main seed dispersers (Valentini et al, 2010a). This specie is important because of its medicinal components used to treat stomach disorders, malaria, fevers and colic (Valentini et al, 2010b).…”
Section: Study Speciementioning
confidence: 99%