Chemical Composition of the Essential Oils from Foliages and Seeds of Ajowan (<i>Trachyspermum ammi</i> (L.) Sprague) in two planting dates (spring and summer)

Davazdahemami, Saeid; Sefidkon, Fatemeh; Jahansooz, Mohammad-Reza; Mazaheri, D

doi:10.1080/0972060x.2011.10643983

Cited by 12 publications

(8 citation statements)

References 5 publications

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“…The highest TPC value was observed in the HAE obtained from the Pahleh ecotype (39.6 mg/g DW), whereas the lowest one was obtained in the WE from the Lizan ecotype (28.3 mg/g DW) ( Figure 1 ). This confirms that environmental conditions can influence the chemical characteristics of different ecotypes [ 21 ]. Indeed, variations in TPC reportedly exist in different ecotypes of legumes [ 22 ], Camellia sinensis (L.) Kuntze [ 23 ], Prunus cerasus L. [ 24 ], Cistus monspeliensis L. [ 25 ], and Zataria multiflora Boiss.…”

Section: Resultssupporting

confidence: 68%

Phytotoxic Potential and Phenolic Profile of Extracts from Scrophularia striata

Mousavi

Karami

Haghighi

et al. 2021

Plants

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A large number of plants produce secondary metabolites known as allelochemicals that are capable of inhibiting the germination of competitive species. This process is known as allelopathy and is mediated by several classes of chemicals, among which phenolic compounds are the most frequent. Thus, plant allelochemicals can be used to control weeds in agricultural systems. In the present work, we analyzed the phenolic profile and phytotoxic potential of different extracts (pure water or water: ethanol 50:50) from Scrophulariastriata plants that were collected from two ecological regions in Iran (Pahleh and Lizan). The total polyphenolic content (TPC), as evaluated by the Folin-Ciocolteau method, ranged from 28.3 mg/g in the aqueous extract obtained from the Lizan ecotype to 39.6 mg/g in the hydroalcoholic extract obtained from the Pahleh ecotype. Moreover, HPLC analysis was aimed at determining the content of eight phenolic compounds, namely eugenol, rosmarinic acid, hesperetin, hesperedin, trans-ferulic acid, vanillin, and caffeic acid. According to the results, rosmarinic acid appeared to be the most abundant component. The phytotoxic activities of S.striata extracts were examined on the seed germination of a crop species, Lepidium sativum, and two weeds, Chenopodium album and Malva sylvestris. All extracts showed inhibitory effects on these species. The efficiency of these inhibitory effects depended on the type of plant species, origin, and concentration of extract. The highest phytotoxic activity was caused by approximately 1% concentration of extract. The most susceptible weed was M. sylvestris. The extracts that were obtained from the Pahleh ecotype, notably the hydroalcoholic ones, showed higher phytotoxicity against L. sativum, C. album and M. sylvestris. These results encourage further studies to support the use of S. striata as a source of bioherbicides.

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Section: Resultssupporting

confidence: 68%

Phytotoxic Potential and Phenolic Profile of Extracts from Scrophularia striata

Mousavi

Karami

Haghighi

et al. 2021

Plants

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“…Previously, a significant difference in the TPC, TFC contents and antioxidant capacity, among the pistachio cultivars, was shown and it was reported that there is a positive correlation between the TPC and TFC, TFC and DPPH and TFC and FRAP (Tsantili et al, 2010 ▶). The phytochemical evaluation of pistachio cultivars was validated our results that antioxidant capacity and total phenolic contents varied among the pistachio cultivars, and the Akbari pistachio cultivar showed the maximum antioxidant activity (DAVARYNEJAD et al, 2012 ▶) …”

Section: Discussionmentioning

confidence: 59%

“…The environmental conditions can influence the chemical characteristics of cultivars (Davazdahemami et al, 2011 ▶). Evaluation of plants chemical composition in different countries have shown marked variations (Amiri et al, 2015 ▶; Fattahi et al, 2016 ▶; Rahimmalek et al, 2009 ▶).…”

Section: Discussionmentioning

confidence: 99%

Risk assessment of exposure to aflatoxin B1 and ochratoxin A through consumption of different Pistachio ( Pistacia vera L.) cultivars collected from four geographical regions of Iran

Taghizadeh

Rezaee

Davarynejad

et al. 2018

Environmental Toxicology and Pharmacology

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“…(Figueiredo et al 2008b;Mota et al 2012), oregano ( Origanum sp.) and ajowan seed and foliage (Davazdahemami et al 2011) oils. It has a spicy-herbal, slightly medicinal aroma, reminiscent of thyme.…”

Section: α βmentioning

confidence: 99%