Identification of antifungal compounds in konjac flying powder and assessment against wood decay fungi

Bi, Zhenju; Yang, Fang; Lei, Yafang; Morrell, Jeffrey J.; Li, Yan

doi:10.1016/j.indcrop.2019.111650

Cited by 28 publications

(6 citation statements)

References 14 publications

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“…Antifungal activity of theses extracts was attributed to the single or the synergistic effect of several compounds, including alkaloids, flavonoids, glycosides, saponins or tannins. Bi et al [ 128 ] in turn studied decay resistance of poplar wood treated with ethanol extracts of konjac ( Amorphophallus konjac K. Koch) powder. The extracts were more effective against brown-rot G. trabeum than white-rot T. versicolor .…”

Section: Antifungal Substances Of Plant Originmentioning

confidence: 99%

Natural Compounds for Wood Protection against Fungi—A Review

Broda

2020

Molecules

122

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Wood is a renewable, versatile material with multiple applications and the largest terrestrial pool of sequestered carbon. However, it is susceptible to degradation, mainly caused by wood-decaying fungi. Since several traditional wood preservatives have been banned owing to their detrimental effects on humans and the environment, extending the lifespan of wood products using new generation natural preservatives is an imperative from the perspectives of human health and environmental protection. Several natural compounds of plant and animal origin have been tested for their fungicidal properties, including essential oils, tannins, wood extractives, alkaloids, propolis or chitosan; and their enormous potential in wood protection has been shown. Although they are not free of limitations, the potential methods to overcome their drawbacks and enhance their bioactivity already exist, such as co-impregnation with different polymers, cross-linkers, metal chelators or antioxidants. The presence of the discrepancies between laboratory tests and the field performance, as well as legislation-related problems resulting from the lack of standards defining the quality and performance of natural protective formulations, however, create an urgent need for further thorough research and arrangements. The collaboration with other industries interested in the utilisation of natural active compounds will reduce the associated costs, thus, will facilitate the successful implementation of alternative antifungal agents.

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Section: Antifungal Substances Of Plant Originmentioning

confidence: 99%

Natural Compounds for Wood Protection against Fungi—A Review

Broda

2020

Molecules

122

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“…showed increased resistance to T. versicolor (beech wood) and G. trabeum (pine wood) when compared to the untreated control specimens [ 114 ]. The antifungal activity of the ethanolic extract of konjac ( Amorphophallus konjac K. Koch ) flying powder, which is a by-product produced during the mechanical processing of konjac flour, was determined against wood decay fungi by Bi et al [ 115 ]. The ethanolic extract of konjac flying powder showed high efficacy against G. trabeum and T. versicolor on artificial media.…”

Section: Plant-derived Antifungal Agentsmentioning

confidence: 99%

Antifungal Agents in Wood Protection—A Review

Woźniak

2022

Molecules

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The biodegradation of wood and wood products caused by fungi is recognized as one of the most significant problems worldwide. To extend the service life of wood products, wood is treated with preservatives, often with inorganic compounds or synthetic pesticides that have a negative impact on the environment. Therefore, the development of new, environmentally friendly wood preservatives is being carried out in research centers around the world. The search for natural, plant, or animal derivatives as well as obtaining synthetic compounds that will be safe for humans and do not pollute the environment, while at the same time present biological activity is crucial in terms of environmental protection. The review paper presents information in the literature on the substances and chemical compounds of natural origin (plant and animal derivatives) and synthetic compounds with a low environmental impact, showing antifungal properties, used in research on the ecological protection of wood. The review includes literature reports on the potential application of various antifungal agents including plant extracts, alkaloids, essential oils and their components, propolis extract, chitosan, ionic liquids, silicon compounds, and nanoparticles as well as their combinations.

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“…Legislation in the European Union is becoming stricter, because there is more awareness of the side-effects of many chemicals in the environment, and thus, it can be expected that several chemicals used as fungicides and wood preservatives will be banned, or their use restricted, in the years to come. A lot of research has been published during recent decades in bio-based wood preservation studying the possibilities of using many natural-origin chemicals for wood preservation, such as tung oil and linseed oil (Humar and Lesar 2013) and Amorphophallus konjac (devil's tongue plant) extracts (Bi et al 2019). Also research focused on biomimicry of natural durable wood species by treating wood with the extractives, such as the phenolics in Scots pine (Pinus sylvestris) heartwood that confer the durability to wood (Harju et al 2003, Lu et al 2016 has been done.…”

Section: Gaps In Knowledgementioning

confidence: 99%

Recovery of antifungal compounds from wood and coffee industry side-streams and residues for wood preservative formulations

López¹

2020

Diss. For.

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Identification of antifungal compounds in konjac flying powder and assessment against wood decay fungi

Cited by 28 publications

References 14 publications

Natural Compounds for Wood Protection against Fungi—A Review

Natural Compounds for Wood Protection against Fungi—A Review

Antifungal Agents in Wood Protection—A Review

Recovery of antifungal compounds from wood and coffee industry side-streams and residues for wood preservative formulations

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