Atividade Biológica de Naftoquinonas de Espécies de Bignoniaceae

Silva, Ana Maria Pereira da; Paiva, Selma Ribeiro de; Figueiredo, Maria Raquel; Kaplan, Maria Auxiliadora Coelho

doi:10.32712/2446-4775.2012.154

Cited by 10 publications

(7 citation statements)

References 29 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The NSC concentrations observed in this study were within the expected range for tropical species (Martínez‐Vilalta et al 2016). Among the evaluated species, we highlight the highest values for glucose and raffinose in T. rosea (Barbosa‐Filho et al 2004; Da Silva et al 2012; Jiménez‐González et al 2013; Epifano et al 2014). Production of raffinose was high compared with previous values found in the tree species (Arenque et al 2014), which may be related to its physiological role in the response to environmental stresses (Sengupta et al 2015; Kito et al 2018).…”

Section: Discussionmentioning

confidence: 84%

Herbivory and leaf traits of Amazonian tree species as affected by irradiance

et al. 2020

View full text Add to dashboard Cite

Herbivory is one of the major biotic stress factors that affect the establishment of plants. However, the main factors that drive herbivory in seedlings of Amazonian tree species are still not well understood. Here we investigated whether contrasting levels of irradiance influence herbivory according to different herbivory indicators and which leaf traits are most related to interspecific variation in herbivory under contrasting irradiance conditions. We measured the leaf area lost as a result of insect herbivory in five tree species planted in a silvicultural system of secondary forest enrichment according to two indicators, herbivore damage (accumulated since plant germination) and herbivory rate (measured over time), and two irradiance conditions, understorey PPFD 2.6 mol·m−2·day−1) and gap PPFD 33.1 mol·m−2·day−1. Furthermore, we related the interspecific variation in herbivory to a set of leaf traits: SLA, RWC, sclerophylly, phenolic compound content, tannins, condensed tannins and non‐structural carbohydrates. Herbivore damage was significantly affected by light availability and species, with the highest percentage variation observed in the Meliaceae (Carapa guianensis and Swietenia macrophylla). For the herbivory rate, only the interspecific variation was significant, with Bertholletia excelsa having the lowest rates. Chemical characteristics (phenolic compounds and tannins) were most related to herbivory rates, as well as highly influenced by light conditions. Non‐structural carbohydrates (starch and sucrose) were also related to the interspecific variation in herbivory. The phenolic compounds and starch, as affected by light quantity, are species dependent. Thus, the selective pressure on herbivores may be driven by species‐dependent responses to light conditions.

show abstract

Section: Discussionmentioning

confidence: 84%

Herbivory and leaf traits of Amazonian tree species as affected by irradiance

et al. 2020

View full text Add to dashboard Cite

show abstract

“…They consist of highly reactive organic substances and are present in plants, microorganisms and certain animals, and are used as synthetic or natural dyes ranging in color from yellow to red (Brandelli et al, 2004;López et al, 2014). Structurally, these compounds have a similar carbon chain to naphthalene (Silveira, 2016) and are divided into 1,2-and 1,4-naphthoquinones, which can also be classified as prenyl-naphtoquinones, furano-naphtoquinones, difuro-naphtoquinones and pyrano-naphtoquinones, according to the presence of anoxygenated heterocyclic ring (Silva et al, 2012).…”

Section: Naphthoquinones and The Tabebuia Genusmentioning

confidence: 99%

“…Lapachol is an easily extracted prenylated naphthoquinone and represents about 3 to 7% of the total chemical constituents of the plant, depending on the species (Aucélio et al, 2013;. This substance has been widely studied since the discovery of its antiparasitic potential by the researcher Wendel in 1946 (Silva et al, 2012), and is an important representative of the group of quinones in tabebuias, forminga raw material in the syntheses of other compounds with different biological dynamics (Silva et al, 2003).…”

Section: Naphthoquinones and The Tabebuia Genusmentioning

confidence: 99%

Anti-inflammatory and cicatrizing properties of the Tabebuia genus: A review

Brito

Pereira

Silva

et al. 2021

RSD

View full text Add to dashboard Cite

The Tabebuia genus is one of the largest genera of the Bignoniaceae family, comprising more than 100 species. One of its main representatives is the ipê tree, which is popularly known for their ornamental and logging potential. However, parts of the tree, such as the stem, leaves and flowers, are used in traditional medicine for anti-bacterial, anti-inflammatory (rhinitis, sinusitis, tonsillitis and pharyngitis), anti-ulcerogenic, antiviral, antineoplastic, antimalarial and immunomodulatory purposes. The objective of the present study was to collate articles on the cicatrizing and therapeutic properties of species belonging to the Tabebuia spp genus.

show abstract

“…In recent decades, the genera of the family Bignoniaceae have been extensively studied from a phytochemical point of view (Cipriani et al, 2012), and their botanical species are characterized by the presence of terpenoids, quinones, alkaloids, flavonoids, and non-nitrogen derivatives (Silva et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Bioactivity of aqueous extract of Jacaranda spp. (Bignoniaceae) on Plutella xylostella L. 1758 (Lepidoptera: Plutellidae)

et al. 2022

View full text Add to dashboard Cite

The high consumption rate of vegetables stimulates the cultivation and increases the demand regarding the adequacy of the production processes. The attack of the pest Plutella xylostella causes high losses by reducing product quality, typifying a phytosanitary problem. This study aimed to verify the bioactivity of aqueous extracts of leaves of Jacaranda decurrens and Jacaranda mimosifolia at concentrations of 5, 10, and 15% on the insect. The choice test was carried out at the laboratory to determine the food effect of plant extracts and evaluate changes in the life cycle of insects exposed to active compounds through the analysis of biological parameters. Plant extracts of J. decurrens and J. mimosifolia presented with phagodeterrent classification in the choice experiments. The three J. decurrens extract concentrations promoted a prolongation of larval and pupal duration, while the duration of individuals treated with J. mimosifolia at 10% was significantly reduced. Occurred reduction in larval survival of individuals treated with aqueous extracts of J. decurrens and J. mimosifolia. Eggs from treatments with aqueous extract of J. decurrens and J. mimosifolia had reduced survival. Pupal survival of individuals treated with extract at 15% showed a significant reduction compared to the treatments at 5% and 10%. Pupae from the treatment with aqueous extract of Jacaranda mimosifolia showed a reduction in biomass in the treatment at 15% differing from the control e 5%. Thus, the aqueous extracts of the species J. decurrens and J. mimosifolia show insecticidal potential in the tests performed on P. xylostella.

show abstract

Atividade Biológica de Naftoquinonas de Espécies de Bignoniaceae

Cited by 10 publications

References 29 publications

Herbivory and leaf traits of Amazonian tree species as affected by irradiance

Herbivory and leaf traits of Amazonian tree species as affected by irradiance

Anti-inflammatory and cicatrizing properties of the Tabebuia genus: A review

Bioactivity of aqueous extract of Jacaranda spp. (Bignoniaceae) on Plutella xylostella L. 1758 (Lepidoptera: Plutellidae)

Contact Info

Product

Resources

About