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Fungicidal and bactericidal composition that comprises volatile organic compounds of natural origin

A technology of organic compounds, natural origin, applied in the field of fungicidal and bactericidal compositions containing volatile organic compounds of natural origin, and can solve problems such as pesticide residues, legal and regulatory restrictions, etc.

Inactive Publication Date: 2013-12-04
BIOFUNGITEK SOC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the application of traditional fungicide and bactericide compounds has produced a series of problems, such as the emergence of drug resistance (Brent, K.J., Hollomon, D.W. (2007) Fungicide resistance: the assessment of risk. FRAC Monograph No. 1 (2 nd edition), Croplife International, Brussels, Belgium) or pesticide residues in food and are therefore becoming more and more restricted in terms of legal regulations

Method used

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  • Fungicidal and bactericidal composition that comprises volatile organic compounds of natural origin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1. Identification of volatile organic compounds (VOCs) produced by pathogenic fungi.

[0017] Various fungi that are pathogenic to plants and fruits such as Botrytis cinerea, Penicillium digitarum, Fusarium oxysporum or total Extraction of VOCs from 96-hour cultures of Mucor racemosus. By gas chromatography-mass spectrometry (GC-MS) technology, Wiley08 and NIST05 libraries were queried to complete the desorption and identification of VOCs bound to fibers. Compounds specifically identified in the species Mucorales racemosus are shown in Table 1 .

[0018] Table 1. VOCs produced by Mucor racemosa cultured in PDA for 96 hours

[0019]

[0020] The results obtained from this fungus showed high agreement among the various species of fungi studied.

Embodiment 2

[0021] Example 2. Inhibition of the growth of the fungus Botrytis cinerea and the bacterium Erwinia carotovora by VOCs of natural origin.

[0022] The antifungal and antibacterial activity of the VOCs obtained in Example 1 was tested by bioassays in sealed vials in which the microorganisms were grown while exposing them to the compounds under test in different concentrations in gaseous form . VOCs have a purity higher than 95% by weight. Calculated IC 50 (50% inhibitory concentration), MIC (minimum inhibitory concentration) and MLC (minimum lethal concentration).

[0023] Table 2. In mg / L 空气 Calculated IC for 2-ethyl-1-hexanol 50 , MIC and MLC

[0024]

[0025] Table 3. In mg / L空气 Calculated IC for hexanol 50 , MIC and MLC

[0026]

[0027] Table 4. In mg / L 空气 Calculated IC for phenylethyl alcohol 50 , MIC and MLC

[0028]

[0029] Table 5. In mg / L 空气 Calculated IC for isoborneol 50 , MIC and MLC

[0030]

[0031] The...

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Abstract

The present invention relates to a composition with fungicidal and bactericidal activity, which comprises volatile organic compounds (VOCs) obtained from plants and microorganisms, in which said VOCs are C4-C12 fatty alcohols or cyclic alcohols or phenol-derived compounds, or terpene-derived compounds, and also derivatives and mixtures thereof. Furthermore, the present invention likewise relates to the use of said compositions in the protection of agricultural crops, in post-harvest treatments, in food preservation and in the disinfection of facilities and equipment.

Description

technical field [0001] The present invention relates to fungicidally and bactericidally active compositions comprising volatile organic compounds (VOCs) obtained from plants and microorganisms, wherein the VOCs are fatty alcohols with between 4 and 12 carbon atoms such as 2-ethyl- 1-hexanol, 3-nonanol, 1-octen-3-ol, hexanol, 3-methyl-1-butanol, isobutanol, 3-octanol, (Z)-3-hexene- 1-alcohol, 1-penten-3-ol, ethanol, their isomers, derivatives and mixtures, and cyclic alcohols such as menthol or from phenols such as phenethyl alcohol, benzyl alcohol, 2,4- Compounds derived from di-tert-butylphenol, their isomers, derivatives and mixtures, or compounds derived from terpenes such as isoborneol, 2-methylisoborneol, 2-norbornanol, caryophyllene ), aristolene, alpha-bergamotene, naphthalene, alpha-chlorophyllene, myrcene, a-phellandrene and b-phellandrene, limonene, linalool, carvacrol, thyme Phenols, camphorterpenes, geraniol, nerol, and their derivatives and mixtures. The invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/04A01N31/00
CPCA01N31/02A01N31/06A01N27/00A01N49/00A01N31/08A61P31/04A61P31/10A01N63/00
Inventor 乌奈·奥纳·乌加尔德马丁内斯安娜·贝伦·罗德里格斯乌拉奥拉特斯·丰达苏里苏加萨加
Owner BIOFUNGITEK SOC
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