Comparison of the Essential Oil Composition of Selected Impatiens Species and Its Antioxidant Activities

Szewczyk, Katarzyna; Kalemba, Danuta; Komsta, Łukasz; Nowak, Renata

doi:10.3390/molecules21091162

Cited by 20 publications

(17 citation statements)

References 29 publications

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“…In another study, it was found that ethanolic (Baskar et al, 2012) and water (Sha et al, 2013) extracts from I. balsamina showed antioxidant activity which was measured using different assays. On the other hand, our previously research showed that the essential oils obtained from I. glandulifera, I. parviflora, I. balsamina, and I. noli-tangere had moderate antioxidant activity (Szewczyk et al, 2016a). Furthermore, hydromethanolic extracts from the aerial parts of.…”

Section: Antioxidant Activitymentioning

confidence: 95%

“…From a chemical point of view, I. glandulifera and I. noli-tangere have been the subject of few studies which have reported on the isolation or identification of flavonoids (Szewczyk et al, 2016a), phenolic acids (Szewczyk and Olech, 2017), essential oils (Szewczyk et al, 2016b), triterpenoid saponins (Grabowska et al, 2017), glucosylated steroids (Cimmino et al, 2016), and naphthoquinones (Lobstein et al, 2001;Tříska et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Lipophilic components and evaluation of the cytotoxic and antioxidant activities of Impatiens glandulifera Royle and Impatiens noli – tangere L. (Balsaminaceae)

et al. 2018

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The chemical composition of the lipophilic fractions of Impatiens glandulifera Royle and I. noli-tangere L. were analyzed by gas chromatography-mass spectrometry (GC-MS)., The study focused on the fatty acids, triterpenoids and sterols in the leaves, roots and seeds. Most of the identified compounds are new for these species. a-linolenic, oleic and palmitic acids were the most abundant in the fatty acid fractions, β-amyrin and 5a-lup-20(29)-en-3β-ol in the triterpenoid fractions, and β-sitosterol, spinasterol and chondrillasterol in the sterol fractions. The fatty acid and triterpenoid fractions showed strong antioxidant activity, similar to positive controls. Moreover, the triterpenoid fraction from I. noli-tangere seeds significantly inhibited HL-60 human leukemia cells. Other fractions showed moderate cytotoxicity. The present study suggests that I. glandulifera and I. noli-tangere are good source of omega-3 fatty acids, and they might be considered as antioxidant and chemopreventive agents.

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Section: Antioxidant Activitymentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

Lipophilic components and evaluation of the cytotoxic and antioxidant activities of Impatiens glandulifera Royle and Impatiens noli – tangere L. (Balsaminaceae)

et al. 2018

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“…The ratio of dried material and distilled water was 1:7 (weight/volume). The weight of essential oils was measured after the process and according to the formula described in our previous study [28]. The oil yields are given in Table 2 and 3.…”

Section: Plant Materials and Essential Oils Isolationmentioning

confidence: 99%

The essential oil composition of selected Hemerocallis cultivars and their biological activity

et al. 2019

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The horticultural cultivars of Hemerocallis (daylily) have been used to treat diseases such as insomnia, inflammation and depression, and also as a vegetable in eastern Asia. Taking into consideration the fact, that the volatile compounds in Hemerocallis cultivars have not been investigated to date, we decided to study the composition of the essential oils (EOs) from the aerial parts of ten varieties collecting in Poland. EOs, obtained by hydrodistillation, were analyzed by GC/MS method that resulted in identification of 23-36 volatile compounds comprising 89.5%–96.3% of the total amount. The essential oils differed in their composition and they can be classified into three groups. The antibacterial and antioxidant activities of EOs were also evaluated. Gram-negative strains were most strongly inhibited by all tested oils. Two model systems have been used for the antioxidant efficacy, 2,2-diphenyl-1-picryl-hydrazyl (DPPH•) andβ-carotene bleaching assays. The essential oils with the high presence of oxygenated monoterpenes and monoterpene hydrocarbons showed higher antioxidant activity. The chemical composition of EOs of Hemerocallis cultivars and their biological activity is reported for the first time. Thus, the findings presented here suggest that the aerial parts of Hemerocallis cultivars may be candidates for the development of new phytomedicine.

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“…The researchers confirmed that the essential oil of the leaf was dominated by veridiflorol (36.4%) and trans ‐caryophyllene (5.9%). In addition, many researchers have also verified that geographical origin, soil characteristics and composition, and climate were the most important aspects influencing a plant's essential oil composition . Teles et al .…”

Section: Introductionmentioning

confidence: 99%

Chemical Compositions, Antioxidant and Antimicrobial Activities of Essential Oils of Psidium guajava L. Leaves from Different Geographic Regions in China

Wang

Huang

et al. 2017

Chemistry & Biodiversity

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Hydrodistilled essential oils (EO) of Psidium guajava L. leaves from different regions in China were analyzed by GC and GC/MS. The samples from Guangdong Province displayed high EO yields (0.61 - 0.75%, v/w). A total of 50 components, representing over 98.00% of the EOs, were identified and semi-quantitatived. The major constituents of EOs included β-caryophyllene (17.17 - 31.38%), γ-gurjunene (9.17 - 15.22%), τ-cadinol (1.35 - 10.02%) and calamenene (2.13 - 7.80%). The terpenoids in all sample oils were dominated by sesquiterpenes hydrocarbons (70.18 - 84.35%), followed by oxygenated sesquiterpenes (9.89 - 22.19%). The similarities and differences among EOs from different samples were evaluated by hierarchical cluster analysis and principal component analysis methods. The IC values of EOs from different regions were between 18.52 - 33.72 mg/ml (DPPH) and 13.12 - 25.15 mg/ml (ABTS ). The FRAP value of EO from Guangdong Province was 7.34 - 9.13 mmol Vc/g DM, while the FRAP value of EO from Taiwan Province was 2.29 - 2.36 mmol Vc/g DM. The antimicrobial tests revealed that EO had a higher antimicrobial activity against all Gram-positive bacteria and two fungi. Moreover, EO from P. guajava leaves of Guangdong Province showed the highest antimicrobial activity. These properties can be considered in the design of industrial products and for further application in the food, pharmaceutical and cosmetic industries.

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Comparison of the Essential Oil Composition of Selected Impatiens Species and Its Antioxidant Activities

Cited by 20 publications

References 29 publications

Lipophilic components and evaluation of the cytotoxic and antioxidant activities of <em>Impatiens glandulifera</em> Royle and <em>Impatiens noli – tangere</em> L. (Balsaminaceae)

Lipophilic components and evaluation of the cytotoxic and antioxidant activities of <em>Impatiens glandulifera</em> Royle and <em>Impatiens noli – tangere</em> L. (Balsaminaceae)

The essential oil composition of selected Hemerocallis cultivars and their biological activity

Chemical Compositions, Antioxidant and Antimicrobial Activities of Essential Oils of Psidium guajava L. Leaves from Different Geographic Regions in China

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