The effects of Annonaceae and Amaryllidaceae extracts in controlling the Thrips tabaci Lindeman (Thysanoptera: Thripidae)

Giraldo-Rivera, Ana Isabel; Álvarez, Gloria Edith Guerrero; Arrubla, Juan Pablo; Baena, Luz Marina; Paredes, Diego; Benitez, Melissa Andrea Gomez

doi:10.5039/agraria.v15i2a6933

Cited by 3 publications

(2 citation statements)

References 33 publications

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“…Seeds were washed with TEGO 51 (Quios, Bogota) and dried at 37ºC for 72 h accordance with that used in previous studies (Giraldo et al, 2020). Then, seeds were crushed in a mill MF 10 Basic (IKA, Campinas, Brazil).…”

Section: Obtaining the Extractsmentioning

confidence: 99%

Antibacterial activity of seed extracts of various species of the Annonaceae family cultivated in Colombia

Giraldo-Rivera¹,

Álvarez²

2023

Rev. Colomb. Cienc. Hortic

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Public health concerns increase due to microbial propagation and the resistance to existing drugs; therefore, new alternatives are sought, such as the use of natural sources that are antimicrobial agents. Thus, the aim of this study was to evaluate the antibacterial potential of ethanolic extracts of seeds of the species Annona muricata (L.), Annona cherimola (Miller), Annona glabra (L.), Annona reticulata (L.), Rollinia mucosa ([Jacq.] Baillon) and Annona montana (Macfad.) of the Annonaceae family cultivated in Colombia. The bacterial strains correspond to: Staphylococcus aureus (Rosenbach), Enterococcus faecalis ([Andrewes and Horder] Schleifer and Kilpper-Bölz), Bacillus subtilis ([Ehrenberg] Cohn), Escherichia coli ([Migula] Castellani and Chalmers) and Pseudomonas aeruginosa ([J.Schröter] Migula). The antibacterial activity evaluation was performed using the agar diffusion method, each microorganism was inoculated in the medium in a concentration range of 0.2-0.5% v/v and the activity was measured by measuring the inhibition halo. A phytochemical assay was performed to identify the main metabolites to which the activity was attributed. Among the results obtained, it was found the extract of A. montana showed activity against the five bacterial strains, followed by A. glabra; the highest percentage of inhibition achieved was of A. cherimola with 79.86±3.81% activity against E. faecalis; A. reticulata and R. mucosa presented susceptibility only against two bacterial strains, the contrary, the extract of A. muricata did not present any response. The main types of metabolites identified and those attributed to antibacterial potential corresponded to alkaloids, saponins and terpenoids. The above indicates that the plants extract of Annonaceae showed antimicrobial effects. This suggest that species of this family are potential sources of compounds with antibacterial properties, which broadens the knowledge of natural extracts of Colombian materials for use in pharmacotherapy and as alternative for synthetic antibacterial agents.

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Section: Obtaining the Extractsmentioning

confidence: 99%

Antibacterial activity of seed extracts of various species of the Annonaceae family cultivated in Colombia

Giraldo-Rivera¹,

Álvarez²

2023

Rev. Colomb. Cienc. Hortic

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“…It is necessary to emphasise the importance of education to farmers for the proper use of pesticides, in terms of the choice of product and the correct dosage to avoid contamination of the products which are marketed. Investigations from Giraldo et al, (2020) in the region of Risaralda, Colombia stand out, from where natural extracts have been used to fight the onion pests as an alternative to synthetic pesticides, for example against T. tabaci, the A. muricata L. extract showed LC 50 = 82.93 mg L -1 , the onion essential oil showed LC 50 = 335.29 mg L-1 , and the onion hydrolate showed LC 50 = 2348.84 mg L -1 . The combinations of extracts reached mortality rates between 50% and 72.62%, which are promising results as alternatives for the comprehensive management of the onion pests.…”

Section: Analysis Of Organochlorine (Ocps) and Organophosphorus (Oppsmentioning

confidence: 99%

Pesticide residues in Junca Onion (Allium fistulosum) cultivated in Risaralda, Colombia

Vélez

Pulgarín

Betancur

et al. 2020

Semina: Ciênc. Agrár.

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By 2050, the world population will reach 9.2 billion, increasing the food demand by twice. Lowering loss due to pests is still challenging, where pesticides play an important role, but its indiscriminate use causes inadequate residual amounts to be present in foods. This study aims to monitor the organochlorine and organophosphorus pesticide residuality in Allium fistulosum cultivated in Risaralda, Colombia using gas chromatography - mass spectrometry (GC-MS). This method presented a highly sensitive (LOD: 0.11-7.15 µg kg-1), acceptable precision (RSD: 0.83-1.35%) and recoveries percentages between 46.32% - 118.67%. A greater presence of organochlorine pesticides banned or severely restricted by the Rotterdam agreement, such as 4,4'-DDT, was reported in samples of Allium fistulosum, with concentrations up to 221.22 ?g kg-1, while endrin with a concentration of 469.23 ?g kg-1 and its degradation products which exceed the maximum residue limite (MRL) for plant samples, reported by the Codex Alimentarius. According to this MRL, it was found that 73.1% of the samples have residual exceeding the allowed limit of organochlorine pesticides by more than forty times, posing a risk to human health and the ecosystem. Continuous monitoring and strict governmental control are required to reduce the exposure of humans and other living beings.

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Biological activities of Annona montana Macfad extracts

Giraldo-Rivera

Álvarez

2021

Univ. Sci.

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Annona montana Macfad is a fruit species of the Annonaceae family. In this study, the phytochemical potential of A. montana seeds was investigated. Ethanol and hexane extracts from seeds were evaluated for cytotoxicity and insecticidal activity, phenolic content, and antioxidant capacity. The latter being related to free radical scavenging activity assay (DPPH) and ferric reducing power (FRAP). Exposing Artemia salina to both seed extract types reveled their high toxicity with a median lethal concentration (LC50) of < 10 μg mL-1. Further A. montana seed insecticidal activity was evaluated against Thrips tabaci L., revealing that the most promising treatments were observed for a concentration of 100 mg L-1 in both extracts. The ethanol extract resulted in a mortality of 67.5 % and the hexane extract in a 53.3 % mortality. The ethanolic extract of A. montana seeds showed the highest total phenolic content: 297.38 mg GAE/100 g of dried extract and 192.66 mg TE/100 g, and 385.46 mg TE/100 g for DPPH and FRAP, respectively. The chemical characterization of both extracts by high performance liquid chromatography (HPLC) revealed the presence of acetogenins. The results obtained idicate that the A. montana extracts are a promising source of compounds with insecticidal activity.

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The effects of Annonaceae and Amaryllidaceae extracts in controlling the Thrips tabaci Lindeman (Thysanoptera: Thripidae)

Cited by 3 publications

References 33 publications

Antibacterial activity of seed extracts of various species of the Annonaceae family cultivated in Colombia

Antibacterial activity of seed extracts of various species of the Annonaceae family cultivated in Colombia

Pesticide residues in Junca Onion (Allium fistulosum) cultivated in Risaralda, Colombia

Biological activities of Annona montana Macfad extracts

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