Investigation of filamentous fungi producing safe, functional water-soluble pigments

Young Mok Heo; Kyeongwon Kim; Sun Lul Kwon; Joorim Na; Hanbyul Lee; Seokyoon Jang; Chul Hwan Kim; Jinho Jung; Jae Jin Kim

doi:10.1080/12298093.2018.1513114

Investigation of filamentous fungi producing safe, functional water-soluble pigments

Young Mok Heo, Kyeongwon Kim, Sun Lul Kwon, Joorim Na, Hanbyul Lee, Seokyoon Jang, Chul Hwan Kim, Jinho Jung, Jae Jin Kim

Division of Environmental Science and Ecological Engineering

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

The production of water-soluble pigments by fungal strains indigenous to South Korea was investigated to find those that are highly productive in submerged culture. Among 113 candidates, 34 strains that colored the inoculated potato dextrose agar medium were selected. They were cultured in potato dextrose broth and extracted with ethanol. The productivity, functionality (radical-scavenging activities), and color information (CIELAB values) of the pigment extracts were measured. Five species produced intense yellowish pigments, and two produced intense reddish pigments that ranked the highest in terms of absorbance units produced per day. The pigment extracts of Penicillium miczynskii, Sanghuangporus baumii, Trichoderma sp. 1, and Trichoderma afroharzianum exhibited high radical-scavenging activity. However, the S. baumii extract showed moderate toxicity in the acute toxicity test, which limits the industrial application of this pigment. In conclusion, P. miczynskii KUC1721, Trichoderma sp. 1 KUC1716, and T. afroharzianum KUC21213 were the best fungal candidates to be industrial producers of safe, functional water-soluble pigments.

Original language	English
Pages (from-to)	269-277
Number of pages	9
Journal	Mycobiology
Volume	46
Issue number	3
DOIs	https://doi.org/10.1080/12298093.2018.1513114
Publication status	Published - 2018

Keywords

Acute toxicity
Antioxidant
Colorimetry
Fungal pigment

ASJC Scopus subject areas

Microbiology
Infectious Diseases

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1080/12298093.2018.1513114

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title = "Investigation of filamentous fungi producing safe, functional water-soluble pigments",

abstract = "The production of water-soluble pigments by fungal strains indigenous to South Korea was investigated to find those that are highly productive in submerged culture. Among 113 candidates, 34 strains that colored the inoculated potato dextrose agar medium were selected. They were cultured in potato dextrose broth and extracted with ethanol. The productivity, functionality (radical-scavenging activities), and color information (CIELAB values) of the pigment extracts were measured. Five species produced intense yellowish pigments, and two produced intense reddish pigments that ranked the highest in terms of absorbance units produced per day. The pigment extracts of Penicillium miczynskii, Sanghuangporus baumii, Trichoderma sp. 1, and Trichoderma afroharzianum exhibited high radical-scavenging activity. However, the S. baumii extract showed moderate toxicity in the acute toxicity test, which limits the industrial application of this pigment. In conclusion, P. miczynskii KUC1721, Trichoderma sp. 1 KUC1716, and T. afroharzianum KUC21213 were the best fungal candidates to be industrial producers of safe, functional water-soluble pigments.",

keywords = "Acute toxicity, Antioxidant, Colorimetry, Fungal pigment",

author = "Heo, {Young Mok} and Kyeongwon Kim and Kwon, {Sun Lul} and Joorim Na and Hanbyul Lee and Seokyoon Jang and Kim, {Chul Hwan} and Jinho Jung and Kim, {Jae Jin}",

note = "Funding Information: This research was supported by a Korea University Grant (Seoul, Republic of Korea) and the project on survey and excavation of Korean indigenous species of National Institute of Biological Resources [NIBR 201701104] under the Ministry of Environment, Republic of Korea. Publisher Copyright: {\textcopyright} 2018 The Author(s).",

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AU - Heo, Young Mok

AU - Kim, Kyeongwon

AU - Kwon, Sun Lul

AU - Na, Joorim

AU - Lee, Hanbyul

AU - Jang, Seokyoon

AU - Kim, Chul Hwan

AU - Jung, Jinho

AU - Kim, Jae Jin

N1 - Funding Information: This research was supported by a Korea University Grant (Seoul, Republic of Korea) and the project on survey and excavation of Korean indigenous species of National Institute of Biological Resources [NIBR 201701104] under the Ministry of Environment, Republic of Korea. Publisher Copyright: © 2018 The Author(s).

PY - 2018

Y1 - 2018

N2 - The production of water-soluble pigments by fungal strains indigenous to South Korea was investigated to find those that are highly productive in submerged culture. Among 113 candidates, 34 strains that colored the inoculated potato dextrose agar medium were selected. They were cultured in potato dextrose broth and extracted with ethanol. The productivity, functionality (radical-scavenging activities), and color information (CIELAB values) of the pigment extracts were measured. Five species produced intense yellowish pigments, and two produced intense reddish pigments that ranked the highest in terms of absorbance units produced per day. The pigment extracts of Penicillium miczynskii, Sanghuangporus baumii, Trichoderma sp. 1, and Trichoderma afroharzianum exhibited high radical-scavenging activity. However, the S. baumii extract showed moderate toxicity in the acute toxicity test, which limits the industrial application of this pigment. In conclusion, P. miczynskii KUC1721, Trichoderma sp. 1 KUC1716, and T. afroharzianum KUC21213 were the best fungal candidates to be industrial producers of safe, functional water-soluble pigments.

AB - The production of water-soluble pigments by fungal strains indigenous to South Korea was investigated to find those that are highly productive in submerged culture. Among 113 candidates, 34 strains that colored the inoculated potato dextrose agar medium were selected. They were cultured in potato dextrose broth and extracted with ethanol. The productivity, functionality (radical-scavenging activities), and color information (CIELAB values) of the pigment extracts were measured. Five species produced intense yellowish pigments, and two produced intense reddish pigments that ranked the highest in terms of absorbance units produced per day. The pigment extracts of Penicillium miczynskii, Sanghuangporus baumii, Trichoderma sp. 1, and Trichoderma afroharzianum exhibited high radical-scavenging activity. However, the S. baumii extract showed moderate toxicity in the acute toxicity test, which limits the industrial application of this pigment. In conclusion, P. miczynskii KUC1721, Trichoderma sp. 1 KUC1716, and T. afroharzianum KUC21213 were the best fungal candidates to be industrial producers of safe, functional water-soluble pigments.

KW - Acute toxicity

KW - Antioxidant

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Investigation of filamentous fungi producing safe, functional water-soluble pigments

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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