Lee, Hye Mi;Kong, Bong Ju;Kwon, Soon Sik;Kim, Kyeong Jin;Kim, Hae Soo;Jeon, So Ha;Ha, Ji Hoon;Kim, Jin-Sook;Park, Soo Nam
Journal of the Society of Cosmetic Scientists of Korea
/
v.39
no.4
/
pp.337-345
/
2013
In this study, the antioxidative effects of Aronia melanocarpa fruit and leaf extracts were investigated. The free radical (1,1-diphenyl-2-picrylhydrazyl, DPPH) scavenging activities ($FSC_{50}$) of the ethylacetate and aglycone fractions of fruit extracts were 16.29 ${\mu}g/mL$, and 12.29 ${\mu}g/mL$, respectively. The free radical scavenging activity of fruit extract was higher than that of leaf extracts. Reactive oxygen species (ROS) scavenging activities ($OSC_{50}$) of the ethylacetate and aglycone fractions of fruit extracts on ROS generated in $Fe^{3+}-EDTA/H_2O_2$ system using the luminol-dependent chemiluminescence assay showed 2.86 ${\mu}g/mL$, and 1.80 ${\mu}g/mL$, respectively. ROS scavenging activity of the aglycone fraction of fruit extracts was similar to that of L-ascorbic acid (1.50 ${\mu}g/mL$). The ROS scavenging activity of fruit extracts was higher than that of leaf extracts. The cellular protective effects of aglycone fraction of fruit extracts (${\tau}_{50}$ = 72.3 min) on the $^1O_2$-induced cellular damage of human erythrocytes especially were increased in a concentration dependent manner (5 ~ 50 ${\mu}g/mL$). ${\tau}_{50}$ (72.3 min) of the aglycone fraction showed 1.9 times higher than (+)-${\alpha}$-tocopherol (38 min), known as lipophilic antioxidant at 10 ${\mu}g/mL$. These results incidicate that A. melanocarpa fruit extracts have higher antioxidant effects than leaf extracts and could be applicable to functional cosmetics materials for antioxidants by protecting skin exposed to solar UV radiation against ROS including $^1O_2$.
Park, So Hyun;Seong, Joon Seob;Lee, Keon Soo;Park, Young Min;Xuan, Song Hua;Cha, Mi Yeon;Kang, Hee Cheol;Park, Soo Nam
Journal of the Society of Cosmetic Scientists of Korea
/
v.43
no.3
/
pp.255-263
/
2017
In this study, the antioxidant activities, cellular protective effects, and inhibitory effects on elastase of non-fermented and fermented extracts of Parthenocissus tricuspidata (P. tricuspidata) stem using Lactobacillus pentosus were investigated. The free radical scavenging activities ($FSC_{50}$) of non-fermented and fermented extracts were 42.3 and $34.5{\mu}g/mL$, respectively, in which the activity after fermentation was approximately 18.4% higher. Reactive oxygen species (ROS) scavenging activities ($OSC_{50}$) in $Fe^{3+}-EDTA/H_2O_2$ system of non-fermented and fermented extracts were 2.6 and $2.5{\mu}g/mL$, respectively. The activity after fermentation was approximately 4.2% higher. In the $^1O_2$-induced cellular damage of erythrocytes, the cellular protective effects (${\tau}_{50}$) of non-fermented and fermented extracts were 126.4 and 173.0 min at $50{\mu}g/mL$, respectively. The activity after fermentation was approximately 34.0% higher. The effect of fermented extract was 3.9 times higher than $(+)-{\alpha}$-tocopherol (${\tau}_{50}=43.4min$), known as a lipophilic antioxidant at $50{\mu}g/mL$. The inhibitory effect of elastase was investigated to predict the anti-wrinkle efficacy using Hs68 human fibroblasts cells. The elastase inhibitory activities ($IC_{50}$) of non-fermented and fermented extracts were 873.6 and $687.8{\mu}g/mL$, respectively, and the activity after fermentation was approximately 21.3% higher. These results indicated that fermented extract of P. tricuspidata stem has potentials as natural cosmetic ingredients with antioxidant and anti-wrinkle effect.
Yedam Kim;Young Seok Lee;Youngsuk Kim;Jinmyeong Song;Yeongbeen Bak;Gyulim Park;O-Mi Lee;Hong-Joo Son
Journal of Life Science
/
v.34
no.5
/
pp.304-312
/
2024
This study was conducted to characterize strain Y10, isolated from discarded chicken feathers. Strain Y10 was identified as Bacillus amyloliquefaciens through phenotypic and 16S rRNA gene analysis. B. amyloliquefaciens Y10 exhibited plant growth-promoting activities, including the production of fungal cell-degrading enzymes (cellulase, lipase, protease, and pectinase), siderophores, ammonia, and indoleacetic acid. Furthermore, strain Y10 was able to inhibit the mycelial growth of several phytopathogenic fungi. When 0.1% sucrose as a carbon source and 0.05% casein as a nitrogen source were added to the basal medium, adjusted to pH 10, and cultured at 35℃, the degradation rate of chicken feathers by strain Y10 was about two times higher than that of the basal medium, with the feathers almost completely degraded in four days. Strain Y10 also degraded various keratin substrates, including duck feathers, wool, and human nails. It was confirmed that the feather hydrolyzates prepared using strain Y10 exhibited antioxidant activities, such as 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity (EC50 = 0.38 mg/ml) and superoxide dismutase-like activity (EC50 = 183.7 mg/ml). These results suggest that B. amyloliquefaciens Y10 is a potential candidate for the development of bioinoculants and feed additives applicable to the agricultural and livestock industries, as well as the microbiological treatment of keratin waste.
Park, Youn-Sil;Kang, Seong-Sun;Choi, Hyoung-Ja;Yang, Sung-Jun;Shon, Ho-Hyeong;Seo, Hyeong-Ho;Jeong, Jong-Moon
Journal of the Korean Society of Food Science and Nutrition
/
v.43
no.4
/
pp.498-506
/
2014
The objective of this study was to investigate the beneficial effects of mulberry extract (MBE) on blood flow improvement. The $SC_{50}$ value for the DPPH radical scavenging activity of MBE was $89.36{\pm}5.46{\mu}g/mL$. Analysis of the cellular toxicity of MBE on RAW 264.7 and HepG2 cells showed no toxicity under a concentration of 2,500 ${\mu}g/mL$. We found that MBE inhibited the enzyme activity of cyclooxygenase (COX)-2 as well as oxidation of human LDL. Western blotting analysis showed that MBE inhibited protein expression of COX-2 and 5-lipoxygenase in RAW 264.7 cells. In addition, MBE inhibited protein expression of intercellular adhesion molecule-1 and vascular cell adhesion molecule-1 in human umbilical vein endothelial cells. Furthermore, MBE reduced the serum levels of total cholesterol and C-reactive protein in a concentration-dependent manner. These results both in vitro and in vivo suggest that MBE can be employed for the improvement of blood flow.
Journal of the Korean Society of Food Science and Nutrition
/
v.41
no.10
/
pp.1378-1387
/
2012
To investigate the pharmacological activity of chaga mushroom (Inonotus obliquus) on extraction conditions, chaga was extracted using water (reflux at $50^{\circ}C$, decoction over $90^{\circ}C$, pressure at $121^{\circ}C$) or ethanol (reflux at 50, 70, or $90^{\circ}C$). When water extract was further fractionated into crude polysaccharide (IO-CP), yields of IO-CP (4.8~16.8%) were higher than those of ethanolic extracts (IO-E, 1.9~2.7%) at increased temperature. For antioxidant activity, crude polysaccharide (IO-CP-121) obtained by pressurized extraction showed the highest polyphenolic and flavonoid contents (35.10 mg TAE/g and 18.48 mg QE/g, respectively) as well as DPPH and ABTS free radical scavenging activities (26.08 and 27.99 mg AEAC/100 mg, respectively). Meanwhile, IO-CP-D (decoction) and IO-CP-50 (reflux) had more potent mitogenic effects (2.10- and 1.95-fold of saline control at 100 ${\mu}g/mL$) as well as intestinal immune system modulating activities (6.30- and 5.74-fold) compared to IO-CP-121, whereas ethanolic extracts showed no activity. Although no IO-CP showed cytotoxicity against RAW 264.7 cells at 0.1 mg/mL, IO-CP-121 significantly inhibited TNF-${\alpha}$ and NO production as pro-inflammatory factors in LPS-stimulated RAW 264.7 cells (29.2 and 63.5%, respectively). Ethanolic extracts also showed no cytotoxicity at 0.1 mg/mL, whereas inhibition of TNF-${\alpha}$ and NO production was significantly low compared to that of IO-CP-121. In addition, active IO-CP-D was further fractionated into an unadsorbed (IO-CP-I) and seven adsorbed fractions (IO-CP-II~VIII) by DEAE-Sepharose CL-6B column chromatography in order to isolate immunostimulating polysaccharide. IO-CP-II showed the most potent mitogenic effect and macrophage stimulating activity (4.51- and 1.64-fold, respectively). IO-CP-II mainly contained neutral sugars (61.86%) in addition to a small amount of uronic acid (2.96%), and component sugar analysis showed that IO-CP-II consisted mainly of Glc, Gal, and Man (molar ratio of 1.00:0.55:0.31). Therefore, extraction conditions affect the physiological activity of chaga, and immunostimulating polysaccharide fractionated from chaga by decoction is composed mainly of neutral sugars.
Journal of the Korean Society of Food Science and Nutrition
/
v.38
no.5
/
pp.561-568
/
2009
To investigate the effects of garlic and medicinal plants extracts (GP) on liver function and lipid metabolism of rat administered with ethanol chronically, Sprague-Dawly male rats were fed with a basial diet (Normal), a basial diet plus ethanol (Control, 10 mL of 20% ethanol/kg b.w/day), a control diet plus 0.5% garlic and 1.0% medicinal plants extracts (GP-I), and a control diet plus 1.0% garlic and medicinal plants extracts (GP-II) for 4 weeks. Blood glucose in GP group was significantly decreased, but not significantly different between GP-I and GP-II group. Albumin content of serum was significantly increased in GP groups, while total lipid, cholesterol and triglyceride of serum were significantly decreased in GP group. Total cholesterol and triglyceride were not significantly different between GP-I and GP-II group. LDL-cholesterol in blood was decreased to 58% in GP-I group and 73% in GP-II group compared to the control group, it's contents were the lowest amounts among the normal, control and experimented groups. Lipid levels in liver of rat administered with alcohol were decreased in GP group and significantly different in GP-II group. GOT and r-GTP activities were significantly higher in control than normal group, while GPT and ALP activities were not significant in groups administered with alcohol. Activities of GOT, GPT and r-GTP were significantly lower in GP group than control group, while ALP activity was not significant in all groups. TBARS contents were not significant in serum, but it's contents in liver were significantly decreased in GP groups than control group. DPPH radical scavenging ability in serum and liver was significantly increased in GP groups. These results indicate that garlic and medicinal plants extracts were effective in improving and protecting liver disorder induced from long-term alcohol consumption.
Jin, Soojung;Oh, You Na;Son, Yu Ri;Bae, Soobin;Park, Jung-ha;Kim, Byung Woo;Kwon, Hyun Ju
Journal of Life Science
/
v.31
no.2
/
pp.199-208
/
2021
Euonymus porphyreus, a species of plant in the Celastraceae family, is widely distributed in East Asia, especially in Southern China. The botanical characteristics of E. porphyreus have been reported, but its antioxidative and anticancer activities remain unclear. In this study, we evaluated the antioxidative and anticancer effects of ethanol extracts of E. porphyreus (EEEP) and the molecular mechanism of its anticancer activity in human lung adenocarcinoma A549 cells. The total polyphenol and flavonoid compound contents from EEEP were 115.42 mg/g and 23.07 mg/g, respectively. EEEP showed significant antioxidative effects with a concentration at 50% of the inhibition (IC50) value of 11.09 ㎍/ml, as measured by 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assay. EEEP showed cytotoxic activity by increasing the SubG1 cell population of A549 cells in a dose-dependent manner. Apoptosis in A549 cells treated with EEEP was evident due to increased apoptotic cells and apoptotic bodies, as detected by Annexin V and 4,6-diamidino-2-phenylindole (DAPI) staining, respectively. EEEP-induced apoptosis resulted in increased expression of the First apoptosis signal (Fas), p53, and Bax, with decreased expression of Bcl-2 and subsequent activation of caspase-8, -9, and caspase-3, leading to cleavage of poly (ADP-ribose) polymerase (PARP). Collectively, these results suggest that EEEP may exert an anticancer effect by inducing apoptosis in A549 cells through both intrinsic and extrinsic pathways.
In this study, the antioxidant activity of water and ethanol extracts from Hibiscus esculentus, Cirsium japonicum, Zizania latifolia and Kalopanax pictus for functional food source were examined. The optimal conditions for phenolic compounds extraction from medicinal plants were at 50% ethanol with Hibiscus esculentus and Cirsium japonicum var. ussuriense, at 40% ethanol with Kalopanax pictus and at 60% ethanol with Zizania latifolia. The total phenolic contents from the extracts of medical plants were determined to be 2.72~34.15 mg/g in the water extracts and 2.83~34.23 mg/g in the ethanol extracts. The electron-donating abilities (EDA) of the water and ethanol extracts were both above 74% at the low concentration of $50{\mu}g/mL$. The ABTS radical-cation decolorization was above 88% at $100{\mu}g/mL$ concentration in all the extracts of various medicinal plants. The antioxidant protection factor (PF) in the water and ethanol extracts of the Cirsium japonicum var. ussuriense extracts was $1.73{\pm}0.02PF$ and $1.76{\pm}0.01PF$ at $50{\mu}g/mL$ concentration respectively, and was higher than those of the other medicinal-plant extracts. The TBARs inhibition rates of all the medicinal-plant extracts, were above 80% at the $50{\mu}g/mL$ concentration except Hibiscus esculentus. These results confirmed that the various oriental medicinal plants (Hibiscus esculentus, Cirsium japonicum var. ussuriense, Kalopanax pictus and Zizania latifolia) that were included in this study are useful anti-oxidant and functional-food resources.
Li, Meishan;Jang, Gwi Yeong;Lee, Sang Hoon;Kim, Sung Tae;Lee, Ji Hyun;Hwang, Se Gu;Sin, Hyun Man;Kim, Hong Sig;Kang, Tae Su;Jeong, Heon Sang
Journal of the Korean Society of Food Science and Nutrition
/
v.43
no.11
/
pp.1749-1756
/
2014
This study was performed to establish extraction conditions for useful components from sweet potato leaves. Extraction conditions were heating temperature ($40{\sim}60^{\circ}C$), ratio of solvent to sample (10~30 mL/g), and ethanol concentrations (50~90%). The maximum lutein content was $381.88{\mu}g/g$ under the following conditions: 81.23% ethanol concentration, $46.75^{\circ}C$ temperature, and 25.78 mL/g ratio of solvent. The maximum total polyphenol content was 58.44 mg GAE/g under 67.0%, $53.90^{\circ}C$, and 29.10 mL/g, whereas maximum total chlorophyll content was 769.14 mg/100 g under 93.10%, $69.90^{\circ}C$, and 25.98 mL/g, respectively. The highest antioxidant activity of electron-donating ability ($IC_{50}$) was 0.582 mg/mL under 64.56%, $54.63^{\circ}C$, and 19.57 mL/g, whereas total antioxidant activity was 32.54 mg AA eq/g under 64.42%, $44.51^{\circ}C$, and 26.01 mL/g, respectively. Under these conditions, experimental data matched well with the predicted data. Consequently, the present study was carried out to simulate and optimize sweet potato leaves for useful component extraction.
This study was carried out to investigate into the effect of light-emitting diode (LED) for the light quality as a light source on the broccoli seed germination and the physiological activity of vegetable sprouts. We have also germinated seeds of the broccoli and applied LED as a light quality such as blue, green, red, white, yellow and red + blue color lights to their sprouts for 14 hours and kept dark for 10 hours at the temperature of $25^{\circ}C$ (day)/$18^{\circ}C$ (night). Broccoli sprouts were extracted by methanol and their physiological activities were examined. All broccoli seeds were germinated at 3 days after seeding regardless of the light color. Total sprout fresh weight were mostly became highest by 0.389g (10 plants) at 8 days after seeding when their sprouts were grown under blue color light. Total phenol compound contents in broccoli sprouts were extremely increased by $83.0\;mg{\cdot}L^{-1}$ under the white light, and total flavonoid contents were most much more by $72.6\;mg{\cdot}L^{-1}$ under the blue light. DPPH radical scavenging activity at $2,000\;mg{\cdot}L^{-1}$ were most highest by 93.5% in broccoli sprouts grown under the white light. Nitrite radical scavenging activity at the concentration of $500\;mg{\cdot}L^{-1}$ in sprout extracts were the most increased by 66.9% under the yellow light, and tyrosinase inhibition activity at $2,000\;mg{\cdot}L^{-1}$ in sprout extracts were by 14.5% under red light.
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