Occurence of eugenol, coniferyl alcohol and 3,4,5-trimethoxyphenol in common buckwheat (Fagopyrum esculentum Moench) and their biological activity

Kalinová, Jana; Triska, Jan F.; Vrchotová, Naděžda

doi:10.1007/s11738-010-0704-6

Cited by 12 publications

(7 citation statements)

References 26 publications

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“…Tsuzuki and Dong (2003) identified ferulic, caffeic, and chlorogenic acids, as well as fatty acids among the allelochemicals in buckwheat. In other studies, eugenol, coniferyl alcohol, and 3,4,5-trimethoxyphenol were identified in buckwheat stems, leaves, and roots (Kalinova et al 2011). In the above ground parts of buckwheat, Iqbal et al (2002) found the alkaloids fagomine, 4-piperidone, and 2-piperidinomethanol which showed a strong inhibitory effect on lettuce growth.…”

Section: Introductionmentioning

confidence: 77%

“…Buckwheat extracts enhanced the content of phenolic compounds and flavonoids in tomato and maize tissues, which may be related to activation of the defense mechanism to stressful conditions (Szwed et al 2014). There are other compounds in buckwheat that may have allelopathic efficiency (Kalinova et al 2007(Kalinova et al , 2011Szwed et al 2014). It is known that the presence of buckwheat residues in soil can suppress various weeds (Tsuzuki and Dong 2003;Xuan and Tsuzuki 2004;Kato-Noguchi et al 2007;Kumar et al 2008Kumar et al , 2009.…”

Section: Introductionmentioning

confidence: 99%

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Allelopathic influence of common buckwheat root residues on selected weed species

et al. 2019

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This study was conducted to determine if common buckwheat (Fagopyrum esculentum Moench) root residues (BRR) in soil are effective in limiting the growth and metabolic responses of barnyard grass (Echinochloa crus-galli (L.) P. Beauv.), wind grass (Apera spica-venti L.), cleavers (Galium aparine L.), and tiny vetch (Vicia hirsuta L.). After removal of above ground parts, BRR of 14-day-old buckwheat plants remained in soil for an additional 7 days when the weeds were seeded. After 30 days of growth, biomass of above ground parts of the weeds as well as free and bound phenolic acids and flavonoids were determined. Antioxidant capacity and peroxidase activity were measured in barnyard grass and cleavers. The biomass of 30-day-old plants of barnyard grass and cleavers grown in bare soil was approximately 5-and 3.5-fold higher, respectively, than in plants grown in the presence of BRR. BRR did not affect the biomass of wind grass and tiny vetch plants, but activate the antioxidant response, increase in peroxidase activity, and the content of phenolic compounds in weed tissues, which indicates an adaptation to the stressful environmental conditions.

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Section: Introductionmentioning

confidence: 77%

Section: Introductionmentioning

confidence: 99%

Allelopathic influence of common buckwheat root residues on selected weed species

et al. 2019

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“…Eugenol was phytotoxic against a range of weeds such as Taraxacum officinale (L.) Weber ex F.H.Wigg. [ 58 ], Amaranthus retroflexus L. [ 59 ], Chenopodium album L. [ 60 ], Echinochloa crus-galli (L.) P.Beauv., Phalaris minor Retz., Ageratum conyzoides (L.) L., Leptochloa chinensis (L.) Nees, Bidens Pilosa L., and Commelina benghalensis L. [ 58 ], being promising as a bio-herbicide.…”

Section: Resultsmentioning

confidence: 99%

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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“…It has the allelopathic potential with a weak inhibitory effect. According to Kalinova et al (2011), coniferyl alcohol showed a weak inhibitory effect on the germination of Plantago lanceolata L. compared with eugenol. Lauric acid identified from the plant Rehmannia glutinosa was proven to provide inhibitory effect on germination, root length and fresh weight of sesame plants.…”

Section: Chemical Compounds Analysismentioning

confidence: 99%

Effect of Azadirachta excelsa and Melia azedarach extracts on soybean germination

2017

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Gumilar RA, Wijayanto N, Wulandari AS. 2017. Effect of Azadirachta excelsa and Melia azedarach extracts on soybean germination. Nusantara Bioscience 9: 346-351. Azadirachta excelsa and Melia azedarach are potential tree species developed in agroforestry system. Both plants are fast growing species and good for timber use. However, there is an inadequacy on both species due to their allelopathic compound contents. Allelopathic compounds in the plants are distributed from root, stem, leaf, and fruit; which at certain concentrations could inhibit germination, growth, and development of other plants. The objective of this study was to analyze the effects of root, leaf, and twig extracts of M. azedarach and A. excelsa on the germination of soybean. Result of this study showed that the root, leaf, and twig extracts of M. azedarach and A. excelsa were able to inhibit the development of soybean. 5 % twig extract of M. azedarach significantly inhibited the germination by 77.75%. Leaf and twig extracts of A. excelsa at 1.25% concentration has shown to provide stimulant effect on the germination of soybean.

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Occurence of eugenol, coniferyl alcohol and 3,4,5-trimethoxyphenol in common buckwheat (Fagopyrum esculentum Moench) and their biological activity

Cited by 12 publications

References 26 publications

Allelopathic influence of common buckwheat root residues on selected weed species

Allelopathic influence of common buckwheat root residues on selected weed species

Phytotoxic Potential and Phenolic Profile of Extracts from Scrophularia striata

Effect of Azadirachta excelsa and Melia azedarach extracts on soybean germination

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