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KMID : 1134820220510101036
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Journal of the Korean Society of Food Science and Nutrition
2022 Volume.51 No. 10 p.1036 ~ p.1047
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Screening of Food-Derived Plant Extracts to Promote Proliferation of Hanwoo Satellite Cells
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Yu In-sun
Choi Sang-Yoon
Choi Jung-Seok
Kim Mi-Na
Kim Min-Jung
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Abstract
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Recently, cultured meat has been considered as an alternative food source. However, the commercialization of cultured meat essentially requires the development of serum-free or low-serum media that reduces production costs. This study aimed to discover a food-derived plant extract that can maintain cell proliferation in Hanwoo satellite cells (HWSC) subsequent to reducing the amount of fetal bovine serum (FBS) by half. Totally, 115 plants were extracted by ethanol and hot water. In the primary screening, compared with the control containing 20% FBS, the proliferation rate of HWSC was screened for 230 extracts treated in a medium containing 10% FBS for 6 days. Of the 230 extracts, four ethanol extracts and four hot water extracts showed proliferation rates similar to the control. In the secondary screening, these eight extracts were subjected to surface plasmon resonance to select the extracts that directly bind to MyoD and Pax7 proteins, which are involved in the proliferation of muscle satellite cells. Of these, Pyrus pyrifolia and Hordeum vulgare, were determined to bind directly to the MyoD and Pax7 proteins. The two extracts promoted HWSC proliferation in a dose-dependent manner (25∼200 μg/mL) and exerted no negative effects on differentiation. Finally, the proliferation efficacy results were classified according to the extracted plant parts and the extraction methods. Three plant parts (the fruiting body, root, and stem) and the ethanol extraction method showed good proliferative efficacy. The results of this study can be used as basic data for research on the production of culture media for cultured meat.
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KEYWORD
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cultured meat, Hanwoo satellite cells, food-derived plant extract, proliferation, screening
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