Air Atmospheric Pressure Plasma Jet to Improve Fruiting Body Production and Enhance Bioactive Phytochemicals from Mutant Cordyceps militaris (White Cordyceps militaris)

Sangwanna, Sujarinee; Seelarat, Weerasak; Panklai, Teerapap; Chaosuan, Natthaphon; Subcharoen, Ahkasit; Subcharoen, Nuttapon; Chanchula, Nattapong; Inyod, Tanapak; Toemarrom, Thanaphat; Bootchanont, Atipong; Wattanawikkam, Chakkaphan; Pavasupree, Sorapong; Boonyawan, Dheerawan; Porjai, Porramain

doi:10.1007/s11947-023-03028-x

Cited by 10 publications

(3 citation statements)

References 59 publications

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“…3 depicts that hydroxyl radical bands ( • OH) were observed at 306.6 and 309.4 nm. These reactive species are found in pulse‐modulated cold‐air plasma 24,25 …”

Section: Resultsmentioning

confidence: 99%

“…These reactive species are found in pulse-modulated cold-air plasma. 24,25 Drying characteristics Before the drying procedure, the moisture contents of samples with and without DBD plasma pretreatment were analyzed. The moisture content of fresh jackfruit slices was 74.30 ± 0.07% (wet basis).…”

Section: Measurement Of Discharge Voltage Current and Optical Emissio...mentioning

confidence: 99%

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Impact of pretreatment with dielectric barrier discharge plasma on the drying characteristics and bioactive compounds of jackfruit slices

Seelarat,

Sangwanna,

Chaiwon

et al. 2024

J Sci Food Agric

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BackgroundHot air drying is a popular method for preserving the production of jackfruits, but heat treatment damages their nutritional qualities. Cold plasma is one of the pretreatment methods to prevent quality attributes of fruits before drying. In the present work, we studied the effect of dielectric barrier discharge (DBD) plasma on the drying characteristics, microstructure, and bioactive compounds of jackfruit slices with different pretreatment times (15, 30, 45, and 60 s), followed by hot air drying at 50, 60, and 70 °C. A homemade DBD device was operated via three neon transformers.ResultsOptical emission spectrophotometry revealed the emitted spectra of the reactive species in DBD plasma, including the N2 second positive system, N2 first negative system, nitrogen ion, and hydroxyl radical. The results showed that the DBD plasma promoted moisture transfer and enhanced the drying rate, related to the changes in the surface microstructure of samples damaged by DBD plasma. The modified Overhults model was recommended for describing the drying characteristics of jackfruit slices. The contents of ascorbic acid, total phenolics, total flavonoids, total polysaccharides, and antioxidant activity in pretreated jackfruit slices were improved by 9.64, 42.59, 25.77, 27.00, and 23.13%, respectively. However, the levels of color and carotenoids were reduced.ConclusionThus, the bioactive compounds in dried jackfruit slices can be improved using the DBD plasma technique as a potential pretreatment method for the drying process.This article is protected by copyright. All rights reserved.

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“…3 depicts that hydroxyl radical bands ( • OH) were observed at 306.6 and 309.4 nm. These reactive species are found in pulse‐modulated cold‐air plasma 24,25 …”

Section: Resultsmentioning

confidence: 99%

Section: Measurement Of Discharge Voltage Current and Optical Emissio...mentioning

confidence: 99%

Impact of pretreatment with dielectric barrier discharge plasma on the drying characteristics and bioactive compounds of jackfruit slices

Seelarat,

Sangwanna,

Chaiwon

et al. 2024

J Sci Food Agric

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“…Cordyceps militaris is an entomopathogenic fungus classified within the Cordyceps family, which parasitizes the larvae or pupae of Lepidoptera insects [5,6]. C. militaris demonstrates the capacity to biosynthesize a wide array of bioactive compounds, including cordycepic acid, cordycepin [7], Cordyceps polysaccharides, cordymines, and ergosterol, among others [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Enhanced polysaccharide production through quorum sensing system in Cordyceps militaris

Qiao,

Chen,

Yang

2024

J Basic Microbiol

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This study aimed to enhance extracellular polysaccharide (EPS) production in Cordyceps militaris by constructing a quorum sensing (QS) system to regulate the expression of biosynthetic enzyme genes, including phosphoglucomutase, hexokinase, phosphomannomutase, polysaccharide synthase, and UDP‐glucose 4‐epimerase genes. The study found higher EPS concentrations in seven recombinant strains compared to the wild‐type C. militaris, indicating that the overexpression of key enzyme genes increased EPS production. Among them, the CM‐pgm‐2 strain exhibited the highest EPS production, reaching a concentration of 3.82 ± 0.26 g/L, which was 1.52 times higher than the amount produced by the wild C. militaris strain. Additionally, the regulatory effects of aromatic amino acids on the QS system of the CM‐pgm‐2 strain were investigated. Under the influence of 45 mg/L tryptophan, the EPS production in CM‐pgm‐2 reached 4.75 ± 0.20 g/L, representing a 1.90‐fold increase compared to wild C. militaris strains. This study provided an effective method for the large‐scale production of EPSs in C. militaris, and opened up new avenues for research into fungal QS mechanisms.

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Enhancement of Haskap Vacuum Freeze-Drying Efficiency and Quality Attributes Using Cold Plasma Pretreatment

Li,

Zhou,

2023

Food Bioprocess Technol

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Air Atmospheric Pressure Plasma Jet to Improve Fruiting Body Production and Enhance Bioactive Phytochemicals from Mutant Cordyceps militaris (White Cordyceps militaris)

Cited by 10 publications

References 59 publications

Impact of pretreatment with dielectric barrier discharge plasma on the drying characteristics and bioactive compounds of jackfruit slices

Impact of pretreatment with dielectric barrier discharge plasma on the drying characteristics and bioactive compounds of jackfruit slices

Enhanced polysaccharide production through quorum sensing system in Cordyceps militaris

Enhancement of Haskap Vacuum Freeze-Drying Efficiency and Quality Attributes Using Cold Plasma Pretreatment

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