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KMID : 1134820140430060814
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Journal of the Korean Society of Food Science and Nutrition
2014 Volume.43 No. 6 p.814 ~ p.821
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Antiadipogenic Effect of Korean Glasswort (Salicornia herbacea L.) Water Extract on 3T3-L1 Adipocytes
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Kim Mi-Joung
Jun Hyun-Young
Kim Jung-Hee
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Abstract
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As a natural plant ingredients, glasswort (Salicornia herbacea L.) contains various physiological activities, mainly anti-oxidative and anti-diabetic activities. However, only a few studies have been carried out on its anti-adipogenic effect. This study investigated the anti-obesity effects of Salicornia herbacea L. on 3T3-L1 adipocytes. As adipogenesis of preadipocytes to adipocytes involves proliferation and differentiation of cells, we treated three concentrations (125, 250, and 500 μg/mL) of Salicornia herbacea L. water extracts (SLW) in both pre-processing and post-processing stages. When 3T3-L1 adipocytes were differentiated and dyed with Oil Red O, adipocytes size and the value of relative Oil Red O staining were reduced by all concentrations of SLW in post-processing stage. Following adipogenic differentiation, the concentration of tumor necrosis factor-α (TNF-α) in the cell supernatant significantly increased upon treatment with 125 μg/mL of SLW and further rose at concentrations of 250 and 500 μg/mL during post-processing stage. There was no significant difference in glycerol production upon SLW treatment. Leptin production significantly decreased at all SLW concentrations during post-processing stage, whereas peroxisome proliferator activated receptor-γ (PPAR-γ) and adiponectin secretions were significantly enhanced. Overall results showed that SLW might have an anti-adipogenic effect via enhancement of TNF-α production, which causes dedifferentiation and inhibits lipid accumulations in adipocyte. Furthermore, SLW might prevent diabetes and cardiovascular disease, as it reduces leptin secretion and enhances production of both PPAR-γ and adiponectin. However, further research is needed to elucidate the exact mechanism and bioactive compounds of glasswort.
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KEYWORD
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Salicornia herbacea L., adipocytes, antiadipogenic effect, TNF-α, leptin
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