Choi, In-Lee;Wang, Lixia;Lee, Ju Hwan;Han, Su Jung;Ko, Young-Wook;Kim, Yongduk;Kang, Ho-Min
Journal of Bio-Environment Control
/
v.28
no.3
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pp.265-272
/
2019
The purpose of this study was to investigate the effects of LED and QD-LED (Quantum Dot) irradiation on seed germination, antioxidant ability, and microbial growth, during red radish (Raphanus sativus L.) sprouts cultivation. Irradiated light was blue, red, blue + red and blue + red + far red (QD-LED) lights, and the controls were a fluorescent lamp (FL), and dark condition. Germination rate of red radish was highest in the dark condition. The plant height and fresh weight of red radish sprouts that irradiated each light for 24 hrs after 7 days growing in dark condition, did not shown significantly difference among treatments. After 24 hrs of light irradiation, cotyledon green was best in blue + red light, and the red hypocotyl was excellent in blue light and QD-LED light. DPPH and phenol contents were high in dark and blue + red light treatment, and anthocyanin content was high in blue light and QD-LED light. Total aerobic counts were similar in all treatments and did not show bactericidal effect, whereas E. coli count was lowest in QD-LED light treatment, and yeast and mold counts were lowest in FL only treatment. Results suggest that when red radish seeds were germinated in dark condition and cultivated for 7 days as sprouts, and then treated with blue light or QD-LED light for 24 hrs, the seeds produced good quality red radish sprouts with greenish cotyledon, reddish hypocotyl, high anthocyanin content, and lower level of E coli contamination.
Objectives : Woogakseungmatang is a prescription medication mainly used to treat facial paralysis in Korean medicine. The purpose of this study is to investigate the effects of Woogakseungmatang on anti-inflammation and anti-oxidation. Methods : Woogakseungmatang was extracted using hot water. Cytotoxicity was assessed using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT) method; nitric oxide(NO) production and Prostaglandin $E_2$ ($PGE_2$) production in RAW cells treated with Woogakseungmatang were investigated; and the cytokine changes associated with inflammation were examined. The antioxidant capacity of Woogakseungmatang was measured using the 1,1-diphenyl-2-picrylhydrazyl (DPPH) method. Results : RAW cells treated with Woogakseungmatang showed 90% cell viability at a $100-{\mu}g/ml$ concentration. NO production was decreased by 15% at a $100-{\mu}g/ml$ concentration. $PGE_2$ production was decreased by 18% at a $100-{\mu}g/ml$ concentration. Interleukin $1{\beta}$ ($IL-1{\beta}$), interleukin 6(IL-6), and tumor necrosis factor-${\alpha}$ ($TNF-{\alpha}$) were significantly reduced at $100{\mu}g/ml$ compared with those in the control group. The DPPH free radical scavenging capability was more than 50% at $100{\mu}g/ml$. Conclusions : Woogakseungmatang showed only a slight anti - inflammatory effect at $100{\mu}g/ml$ and it was difficult to confirm the concentration-dependent anti-inflammatory effect. Therefore, this study means to confirm the potential anti-inflammatory effects of Woogakseungmatang. Based on this research, more systematic and diverse studies should be conducted.
Song, Ba Reum;Lee, Sang Lae;Lee, Yun Ju;Shin, Hyuk Soo;Park, Soo Nam
Applied Chemistry for Engineering
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v.29
no.6
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pp.772-781
/
2018
In this study, we investigated antioxidant, antimicrobial and cytoprotective effects of 50% ethanol extract and ethyl acetate fraction from rhizomes of Belamcanda chinensis (L.) DC. 1,1-Diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activities ($FSC_{50}$) of the 50% ethanol extract and ethyl acetate fraction were 621.5 and $253.0{\mu}g/mL$, respectively. Total antioxidant capacities ($OSC_{50}$) of the extract and fraction were 13.6 and $3.0{\mu}g/mL$, respectively. Minimum inhibitory concentrations (MIC) of the ethyl acetate fraction for Staphylococcus aureus and Candida albicans were 156, $1,250{\mu}g/mL$, respectively, indicating similar or higher levels of those of using methyl paraben. Cytoprotective effects of the 50% ethanol extract against $^1O_2$-induced cellular damage (${\tau}_{50}$) showed in a dose dependent manner at 4 to $64{\mu}g/mL$. ${\tau}_{50}$ of the 50% ethanol extract, ethyl acetate fraction and (+)-${\alpha}$-tocopherol at $16{\mu}g/mL$ were 36.4, 45.0 and 45.8 min respectively, and the ethyl acetate fraction showed cytoprotective effects similar to (+)-${\alpha}$-tocopherol. In ultraviolet B radiation-induced HaCaT cell damage, the ethyl acetate fraction decreased intracellular reactive oxygen species (ROS) up to 45.9% at $8{\mu}g/mL$. Also in $H_2O_2$-induced HaCaT cell damage, the ethyl acetate fraction significantly increased the cell viability at $0.5{\sim}8.0{\mu}g/mL$. As a result of chemical analyses of the ethyl acetate fraction, the presence of flavonoids and polyphenol such as irisflorentin, irigenin, tectorigenin, resveratrol, iridin and tectoridin were identified. In conclusion, the extract/fraction from rhizomes of B. chinensis can be applied as a natural antioxidant and antimicrobial material to cosmetics.
Lee, Ki Yeon;Kim, Tae hee;Kim, Jai Eun;Park, A-Reum;Noh, Hee Sun;Kim, Si Chang;Ahn, Mun Seob;Kim, Hee Yeon
Journal of Food Hygiene and Safety
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v.33
no.6
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pp.500-509
/
2018
The objective of this study was to investigate the worth of extract husk and cobs of the Seakso 1 (EHCS) for the functional foods. We aimed to investigate the proximate composition, fatty acids, amino acids, antioxidant active substance contents, antioxidant activity, inhibitory activity of the ${\alpha}-amylase$ and ${\alpha}-glucosidase$. The proximate composition of the EHCS have represented 6.90% moisture, 7.31% crude ash, 0.52% crude fat and 7.07% crude protein. Among the 17 kinds of amino acids that were analyzed in thd EHCS, the glutamic acid was the highest, with 736.08 mg / 100 g. The fatty acids detected in the EHCS were palmitic acid oleic acid and linoleic acid. The proportion of the unsaturated fatty acids was 83.33%. We determined the contents of the antioxidant active substance by the total polyphenol and flavonoid. The total polyphenol and flavonoid contents were 99.87 mg/g and 25.02 mg/g, respectively. The antioxidative activity of the EHCS were determined using a DPPH and ABTS assay. In the antioxidative activity determination, the DPPH and ABTS radical scavenging activities were 95.62% ($1,000{\mu}g/mL$) and 92.00% ($10,000{\mu}g/mL$), respectively. The inhibitory activity of ${\alpha}-amylase$ and ${\alpha}-glucosidase$ (10 mg/mL) were 95.86% and 76.92%, respectively. These results suggest that the EHCS could be potentially used as a resource for the bioactive materials for health functional foods.
Park, Su In;Kim, Ah Reum;Kim, Seon Hwa;An, Gyu Min;Kim, Min Gi;Shin, Moon Sam
Journal of the Korean Applied Science and Technology
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v.35
no.4
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pp.1038-1047
/
2018
This study confirmed possibility of cosmetic material for Espresso coffee grounds extracted at high temperature, high pressure, short time and Dutch coffee grounds extracted at low temperature, atmospheric pressure, long time. For this purpose, we evaluated the biological activities of antioxidant, anti-wrinkles and antimicrobial effects using ethanol extracts of Esproso and Dutch coffee grounds. The results of total polyphenolic compound contents was $90.39{\pm}0.04mg/g$ for Dutch coffee grounds extract, which was higher than $64.96{\pm}0.38mg/g$ for Espresso coffee grounds extract, based on $113.63{\pm}0.22mg/g$ for coffee beans extract as the reference one. DPPH radical scavenging activity and SOD-like activity of Dutch coffee grounds extract were found to be better than those of Espresso coffee grounds extracts, referenced on coffee bean extract. As a result of inhibition effect of Elastase activity, Dutch coffee grounds extract showed higher inhibition effect than Espresso coffee grounds extract, based on coffee bean extract. In addition, Dutch coffee grounds extract showed good anti-microbial effects at Escherichia coli, Bacillus, Propionibacterium acnes and there was little difference in the clear zone size between Dutch coffee grounds extract and coffee bean extract as a reference one. From the results of the experiments, it was confirmed that Dutch coffee grounds extract had excellent antioxidant, anti-wrinkle and antimicrobial effects and could be used as safe natural cosmetic material in the future.
This study was carried out to investigate the antioxidant effects of extracts from 9 species of forest plants in Korea. DPPH, ABTS, $NaNO_2$, hydrogen peroxide radical scavenging activity and reducing power activity were evaluated to measure the antioxidant activities of plant extracts. As a result, Geranium thunbergii has been identified as the most effective antioxidant resource. Also, total phenolic content was highest in Geranium thunbergii ($303.94{\pm}0.63mg\;GAE/g$) among 9 species extracts. Total flavonoid content was highest in Rosa multiflora ($24.32{\pm}0.22mg\;QE/g$) and proanthocyanidin content was highest in Vitis ficifolia ($279.00{\pm}4.58mg\;CE/g$) among 9 species extracts. In addition, the protective effect of plant extracts in $H_2O_2-induced$ human dermal fibroblast (HDF) cell systems were also assessed. Significant protective effects in $H_2O_2-induced$ human dermal fibroblast (HDF) cell systems were found in all plant extracts, especially in Geranium thunbergii. These results suggest that Geranium thunbergii could be a potential natural resource for antioxidant activity.
Yoo, Seul Ki;Kim, Jong Min;Park, Seon Kyeong;Kang, Jin Yong;Han, Hye Ju;Park, Hyo Won;Kim, Chul-Woo;Lee, Uk;Heo, Ho Jin
Korean Journal of Food Science and Technology
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v.51
no.4
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pp.379-392
/
2019
The current study investigated the effect of Gabjubaekmok (Diospyros kaki) ethanolic extract (GEE) on $H_2O_2$-induced human neuroblastoma MC-IXC cells and amyloid beta $(A{\beta})_{1-42}$-induced ICR (Institute of Cancer Research) mice. GEE showed significant antioxidant activity that was evaluated based on ABTS, DPPH scavenging activity, and inhibition of malondialdehyde (MDA) and acetylcholinesterase activity. Further, GEE inhibited ROS production and increased cell viability in $H_2O_2$-induced MC-IXC cells. Administration of GEE ameliorated the cognitive dysfunction on $A{\beta}$-induced ICR mice as evaluated using Y-maze, passive avoidance, and Morris water maze tests. Results of ex vivo test using brain tissues showed that, GEE protected the cholinergic system and mitochondrial functions by increasing the levels of antioxidants such as ROS, mitochondrial membrane potential (MMP), and adenosine triphosphate (ATP) against $A{\beta}$-induced cognitive dysfunction. Moreover, GEE decreasd the expression levels of apoptosis-related proteins such as $TNF-{\alpha}$, p-JNK, p-tau, BAX and caspase 3. While, expression levels of p-Akt and $p-GSK3{\beta}$ increased than $A{\beta}$ group. Finally, gallic acid was identified as the main compound of GEE using high performance liquid chromatography.
Heo, Soo Hyeon;Park, Su In;An, Gyu Min;Shin, Moon Sam
The Journal of the Convergence on Culture Technology
/
v.5
no.3
/
pp.271-282
/
2019
This study was conducted to evaluate physiological activity of Robinia pseudo-acacia leaf and its skin penetration using polymer micelles and skin penetrating peptide. After extraction with Robinia pseudo-acacia using the ethanol and distilled water, various physiological activities were examined. The total concentration of polyphenol compounds was determined to be 47.42 mg/g (ethanol extract), 56.88 mg/g (hydrothermal extract) and DPPH radical scavenging ability at $1,000{\mu}g/mL$ was 44.24% in ethanol extract and it is higher than value(41.50%) in hydrothermal extract. The elastase inhibitory assay showed concentration dependence and elastase inhibition of Robinia pseudo acacia leaf ethanol extract was 54.09%, which was the highest at $500{\mu}g/mL$. In the SOD-like experiments, the concentration-dependent results were showed and the SOD-like activity of the Robinia pseudo-acacia leaf ethanol extract was higher than that of the Robinia pseudo acacia leaf hydrothermal extract at all concentrations. At a concentration of $500{\mu}g/mL$, Robinia pseudo acacia leaf ethanol extract showed the highest SOD-like activity of 76.41%. The tyrosinase inhibition at $20{\mu}g/mL$ was determined to be 56.47% (ethanol extract), 23.05% (hydrothermal extract). In the antimicrobial experiments, the hydrothermal extract had no effect, but ethanol extract represented maximum clear zone of 11.00 mm in Propionbacterium acnes strain and maximum clear zone of 10.50 mm. in Bacillus subtilis strain. To solve the problem of insolubility and to improve skin penetration, PCL-PEG polymer micelles containing Robinia pseudo-acacia leaf ethanol extracts and 1.0% cell permeable peptide, hexa-D-arginine (R6) were successfully prepared with particle size of 108.23 and 126.47 nm and excellent skin permeation effects could be showed.
Fruit ripening is a genetically programmed process involving a number of biochemical and physiological processes assisted by variations in gene expression and enzyme activities. This process generally affects the phytochemical profile and the bioactive principles in fruits and vegetables. To appraise the variation in bioactive principles of fruits from Rosa rugosa during its ripening process, we analyzed the changes in antioxidant and anti-elastase activities and polyphenolic compounds during the four ripening stages of fruits. Overall, an extract of unripe fruits contained the highest levels of total phenolic and flavonoid contents, radical scavenging activity, reducing power, oxygen radical antioxidant capacity, and elastase inhibitory activity, compared with the extracts of fruits at other stages of ripening. Additionally, we found that the reduction of flavonoid content occurs because of decreased transcriptional levels of genes involved in flavonoid biosynthesis pathway during the ripening process. Based on HPLC analysis, we found that the extract of unripe fruits contained the highest amount of myricetin, caffeic acid, chlorogenic acid, syringic acid, and p-coumaric acid and suggested that the antioxidant and anti-elastase activities of the extract obtained from stage 1, should be mediated by the presence of these compounds. Additionally, we analyzed the interaction sites and patterns between these compounds and elastase using the structure-based molecular docking approach, and suggested that chlorogenic acid strongly interacted with elastase. Together, these findings suggest that the maturity of fruits has profound effects on the pharmaceutical value of R. rugosa.
Choi, Da Hee;Kim, Mi Ran;Kim, Min Young;Kim, Ho Hyun;Park, Sun-Young;Hwang, Hyung Seo
Journal of the Society of Cosmetic Scientists of Korea
/
v.45
no.1
/
pp.37-47
/
2019
Recently, due to the increase in skin diseases caused by particulate matter, endocrine disruptor and environmental changes, the trend of development of cosmetic materials has been shifting to the more safe and effective ingredients based on natural materials rather than existing synthetic compounds like steroids and antihistamines. This study aimed to develop a new natural cosmetic materials using oriental herbs such as Eucommiae cortex, Alpinia oxyphylla Miquel and Bombyx batryticatus. First, DPPH assay was performed to examine the antioxidative activity of the herbal extract (Mix) and 98.8% DPPH radical scavenging activity was confirmed at $400{\mu}g/mL$ concentration of it. In order to confirm the whitening efficacy of oriental herbal extracts(mix), the amount of melanin synthesized after stimulation of ${\alpha}-MSH$ with B16F10 cells was measured. Results showed that it was decreased to 27.1% comparing with the only ${\alpha}-MSH$ treated group, which confirmed the whitening efficacy. Also, both nitric oxide(NO) production and iNOS and COX-2 expression were significantly reduced in RAW264.7 macrophages activated by LPS in the presence of the extracts(Mix). The mRNA expression of the inflammatory cytokines such as $IL-1{\alpha}$, $IL-1{\beta}$, IL-6, and $TNF-{\alpha}$ was also analyzed to confirm the inhibition effect of the extracts on inflammation. Finally, to confirm the enhancement of skin barrier function, the expression of claudin 1 gene, a tight junction protein, was observed using human keratinocyte HaCaT cells and increased as concentration dependent manner. From these results, it is concluded that the oriental herbal extracts(Mix) containing Eucommiae cortex, Alpinia oxyphylla Miquel and Bombyx batryticatus is effective for antioxidant, anti-inflammation, skin whitening, and skin barrier and thus could be applied as a new natural cosmetic material.
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