What benefits of Lactobacillus plantarum have been cited in the scientific literature?
Lactobacillus plantarum — also classified as Lactiplantibacillus plantarum — has 9 benefits cited in the peer-reviewed literature under the Potential Claims lens, spanning plant disease suppression, growth enhancement, fermentation physiology, and probiotic use across agriculture and animal health.
For growers researching L. plantarum as a microbial biocontrol agent, the literature reports antifungal activity and inhibition of Erwinia amylovora, the bacterium responsible for fire blight. In cited trials, culture liquid applied at 10% and 20% dilutions achieved 76.7% and 88.3% reduction in fire blight incidence on apple blossoms, respectively.
The literature also documents L. plantarum's tolerance of biotic and abiotic stresses common to plant surfaces, its capacity to consume plant sugars and detoxify phenolic compounds, and its production of exopolysaccharides with antioxidant activity (DPPH assay ~75.6–80.3%). Those exopolysaccharides, formulated as chitosan-based nanoparticles, are reported to enhance mint leaf growth and reduce leaf loss compared to control.
1AAPFCO-accepted claims
Listing details- May increase plant growth. Increased cucumber seedling growth.
Accepted wording, shown verbatim · source: AAPFCO Plant Biostimulant list
2Potential claims from the literature
Reported to have antifungal activity, making it a candidate microbial biocontrol agent for disease management in agriculture
Reported to inhibit the growth of Erwinia amylovora (causative agent of fire blight) in vitro and to reduce fire blight incidence on apple blossoms, with culture liquid diluted at 10% or 20% achieving 76.7% and 88.3% effectiveness, respectively
Reported to exert antagonistic effects on Staphylococcus aureus through mechanisms including organic acid and bacteriocin production, with proteomic analysis showing L. plantarum exerts a more pronounced suppressive effect on S. aureus than vice versa during co-culture
Reported to enhance the growth of Mentha (mint) leaves when applied as exopolysaccharide-loaded chitosan-based nanoparticles, reducing leaf loss compared to control
Reported to use extracellular electron transfer (EET) to increase growth and food acidification and decrease environmental oxidation-reduction potential during fermentation of plant tissues
Reported to tolerate numerous biotic and abiotic stresses common to plant surfaces, and to possess the capacity to consume plant sugars and detoxify phenolic compounds
Reported as a candidate 'One Health probiotic' with potential utility in agriculture, food processing, and healthcare, based on its ability to ferment a broad spectrum of plant carbohydrates and its presence in rhizospheric soil
Reported to defend animals against bacterial and viral infections when used as a probiotic, based on its occurrence in the intestinal tract, plants, and fermented food
Reported to produce exopolysaccharides with strong antioxidant activity (DPPH assay ~75.6–80.3%) that, when formulated as chitosan-based nanoparticles, show potential as sustainable, eco-friendly alternatives for agricultural enhancement
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