The purpose of the study is to compare the results of antioxidant, anti-inflammatory, and cytotoxic analysis of lotus leaf extract and fermentation extract as a natural cosmetic raw material. This study provided basic data on the creation of value-added products and the development of natural functi...
The purpose of the study is to compare the results of antioxidant, anti-inflammatory, and cytotoxic analysis of lotus leaf extract and fermentation extract as a natural cosmetic raw material. This study provided basic data on the creation of value-added products and the development of natural functional materials for the consumption of lotus leaves in Daegu Ansim Changjo Valley, the largest of its kind in Korea. Fermentation Nelumbo nucifera leaf Extract was naturally fermented for 14 days with 1400 g of raw leaves added to Seongwon DX bacteria, the lotus leaf extract was extracted by mixing 100g of raw leaves with 1,000 mL of purified water and heating it at 90℃ for 6 hours.
1. As a result of analyzing the total polyphenol content and total flavonoid content of NHWE and FNLE, NHWE and FNLE have a total polyphenol content of 182.2 mg/g and is 103.3 mg/g each, and a difference of about 80 mg/g was confirmed. The content of flavonoids was 26.8 mg/g for NHWE and 49.1 mg/g for FNLE, and a difference of about 23 mg/g was confirmed. Therefore, the results of hot water extraction of lotus leaves were high, and differences in polyphenols were found depending on the extraction method.
2. The results of ABTS scavenging activity antioxidant properties were slightly higher when fermented with 86.6% of NHWE and 93.7% of FNLE at the highest concentration of 1000 μg/mL, and FNLE was similar to ascorbic acid used as a positive control at the highest concentration, which indicated it showed good antioxidant activity.
3. Measurement of DPPH radical scavenging ability showed that NHWE showed 66.1% electron donating ability at the highest concentration of 1000 μg/mL, and FNLE showed high antioxidant activity of 73.3%, which indicated fermentation increased the radical scavenging ability.
4. As a result of MTT assay measurement in RAW 264.7 cells, NHWE showed a high cell viability of more than 70% at 12.5∼200 µg/mL, and 77.7% at the highest concentration of 200 µg/mL. FNLE showed a high cell viability of more than 70% at 12.5∼200 µg/mL, and 79.1% at the highest concentration of 200 µg/mL.
5. As a result of the cell viability of NHWE and FNLE treated with LPS in RAW 264.7 cells, the cell viability of the LPS group was 72.7% and 74.5%, respectively, and NHWE and FNLE were 89.0% and 88.8% at 200 μg/mL concentration.
6. The result of measuring the NO inhibition rate in RAW 264.7 cells showed that the NHWE and FNLE increased NO inhibition rate in a concentration-dependent manner. NHWE and FNLE were 72% and 83.9% respectively at the highest concentration of 200 µg/mL.
7. In the results of the inhibitory effect of NHWE and FNLE on the expression levels of TNF-α and COX-2 by LPS, TNF-α and COX-2 were decreased in NHWE and FNLE group, compared to the Lipopolysaccharide (LPS) group in all RAW 264.7 cells. In particular, it was confirmed that the group treated with FNLE at a concentration of 200 μg/mL was significantly decreased.
As shown above, in the result of comparative results of antioxidant and anti-inflammatory effects of lotus leaf extract and fermented lotus leaf extract, fermented lotus leaf extract which showed lower cytotoxiciy, is expected to be sufficiently utilized as a plant-derived natural functional raw material for the purpose of soothing skin and scalp.
The purpose of the study is to compare the results of antioxidant, anti-inflammatory, and cytotoxic analysis of lotus leaf extract and fermentation extract as a natural cosmetic raw material. This study provided basic data on the creation of value-added products and the development of natural functional materials for the consumption of lotus leaves in Daegu Ansim Changjo Valley, the largest of its kind in Korea. Fermentation Nelumbo nucifera leaf Extract was naturally fermented for 14 days with 1400 g of raw leaves added to Seongwon DX bacteria, the lotus leaf extract was extracted by mixing 100g of raw leaves with 1,000 mL of purified water and heating it at 90℃ for 6 hours.
1. As a result of analyzing the total polyphenol content and total flavonoid content of NHWE and FNLE, NHWE and FNLE have a total polyphenol content of 182.2 mg/g and is 103.3 mg/g each, and a difference of about 80 mg/g was confirmed. The content of flavonoids was 26.8 mg/g for NHWE and 49.1 mg/g for FNLE, and a difference of about 23 mg/g was confirmed. Therefore, the results of hot water extraction of lotus leaves were high, and differences in polyphenols were found depending on the extraction method.
2. The results of ABTS scavenging activity antioxidant properties were slightly higher when fermented with 86.6% of NHWE and 93.7% of FNLE at the highest concentration of 1000 μg/mL, and FNLE was similar to ascorbic acid used as a positive control at the highest concentration, which indicated it showed good antioxidant activity.
3. Measurement of DPPH radical scavenging ability showed that NHWE showed 66.1% electron donating ability at the highest concentration of 1000 μg/mL, and FNLE showed high antioxidant activity of 73.3%, which indicated fermentation increased the radical scavenging ability.
4. As a result of MTT assay measurement in RAW 264.7 cells, NHWE showed a high cell viability of more than 70% at 12.5∼200 µg/mL, and 77.7% at the highest concentration of 200 µg/mL. FNLE showed a high cell viability of more than 70% at 12.5∼200 µg/mL, and 79.1% at the highest concentration of 200 µg/mL.
5. As a result of the cell viability of NHWE and FNLE treated with LPS in RAW 264.7 cells, the cell viability of the LPS group was 72.7% and 74.5%, respectively, and NHWE and FNLE were 89.0% and 88.8% at 200 μg/mL concentration.
6. The result of measuring the NO inhibition rate in RAW 264.7 cells showed that the NHWE and FNLE increased NO inhibition rate in a concentration-dependent manner. NHWE and FNLE were 72% and 83.9% respectively at the highest concentration of 200 µg/mL.
7. In the results of the inhibitory effect of NHWE and FNLE on the expression levels of TNF-α and COX-2 by LPS, TNF-α and COX-2 were decreased in NHWE and FNLE group, compared to the Lipopolysaccharide (LPS) group in all RAW 264.7 cells. In particular, it was confirmed that the group treated with FNLE at a concentration of 200 μg/mL was significantly decreased.
As shown above, in the result of comparative results of antioxidant and anti-inflammatory effects of lotus leaf extract and fermented lotus leaf extract, fermented lotus leaf extract which showed lower cytotoxiciy, is expected to be sufficiently utilized as a plant-derived natural functional raw material for the purpose of soothing skin and scalp.
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