Journal of the Society of Cosmetic Scientists of Korea
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v.30
no.1
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pp.23-28
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2004
The aim of this study is to assess the anti-irritation activities of mung bean (Phaseolus aureus) extract against various irritants used in cosmetics. For its antidotal activity, mung bean has been used as a medicinal or cosmetic material since ancient times. However, there have been few reports describing the biological activities of these beans and no comprehensive surveys of the constituents. We obtained an ethanolic extract of mung bean and isolated the major constituents, such as vitexin and isovitexin. And we previously reported that the mung bean extract containing vitexin and isovitexin had excellent antioxidant and anti-inflammatory activities. To investigate the mechanisms of anti-inflammatory activity of mung bean extract, we examined the inhibitory effects on histamine release from rat peritoneal mast cells and lipoxygenase activity. Mung bean extract inhibited histamine release in a concentration dependent manner but showed no inhibitory activity in the 5-lipoxygenase assay. And, clinical studies were conducted to evaluate the anti-irritation effects of mung bean extract against various irritants used in cosmetics such as lactic acid, retinol, and preservatives. When 2.0% of mung bean extract was applied to cosmetic formulae containing each of irritants, it revealed considerable anti-irritation efficacy. Our results of the human patch test with 20 volunteers showed that this extract reduced skin irritations caused by 5.0% lactic acid, 4000 IU retinol, and 1.0% preservative mixture by about 60%, 30%, and 50% respectively. The stinging potential test for assessing subjective irritation also showed that the extract reduced the unpleasant sensations by about 50∼30%. Finally, we performed a double-blind usage test with 30 subjects to compare formulae containing mung bean extract with placebo. From the results of questionnaires for 4 weeks of use, we confirmed the excellent anti-irritation effect of mung bean extract. Conclusively, we could discover new material that had anti-irritation effects and apply this mung bean extract to the final cosmetic products successfully.
Journal of the Society of Cosmetic Scientists of Korea
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v.35
no.4
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pp.293-300
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2009
In this study, we investigated the antioxidative activity and inhibitory effects on elastase and tyrosinase of Persicaria hydropiper L. extracts. The free radical (1,1-diphenyl-2-picrylhydrazyl, DPPH) scavenging activities ($FSC_{50}$) of ethyl acetate fractions of Persicaria hydropiper L. was $5.23\;{\mu}g/mL$. Reactive oxygen species (ROS) scavenging activities ($OSC_{50}$) of some Persicaria hydropiper L. extracts on ROS generated in $Fe^{3+}$-EDTA/$H_2O_2$ system were investigated using the luminol - dependent chemiluminescence assay. The ROS scavenging activities ($OSC_{50}$) of ethyl acetate fractions of Persicaria hydropiper L. was $0.40\;{\mu}g/mL$. The protective effects of extract / fractions of Persicaria hydropiper L. on the rose-bengal sensitized photohemolysis of human erythrocytes were investigated. The Persicaria hydropiper L. extracts suppressed photohemolysis in a concentration dependent manner ($1\;{\sim}\;10\;{\mu}g/mL$). Inhibitory effects ($IC_{50}$) on tyrosinase of aglycone fraction of Persicaria hydropiper L. extracts was $8.90\;{\mu}g/mL$. Inhibitory effects ($IC_{50}$) on elastase of aglycone fraction of Persicaria hydropiper L. extracts was $2.37\;{\mu}g/mL$. These results indicate that extract / fractions of Persicaria hydropiper L. can function as antioxidants in biological systems, particularly skin exposed to UV radiation by anti-oxidative activity and protect cellular membranes against ROS. Persicaria hydropiper L. extract / fractions could be used as a new cosmeceutical for whitening and anti-wrinkle products.
Journal of the Society of Cosmetic Scientists of Korea
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v.45
no.4
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pp.353-361
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2019
Using Fervidobacterium islandicum AW-1, keratin peptides were produced and confirmed factors related to the scalp and hair. The cytotoxicity and proliferation tests as a function of the concentration of the keratin peptide did not show toxicity and effect on the cellular proliferation in the immortalized human hair dermal papilla cell line. Hair shampoos and hair essences containing keratin peptides were produced, and conducted human patch test. Result showed no skin irritation. The shampoo and the essence were apploed to 2 groups of 30 healthy adults for 4 weeks and showed statistically significant positive results for gloss, hair loss, scalp trouble, and hair roughness by visual assessment. The scalp water content was significantly increased after 2 and 4 weeks compared to before using the shampoo or the essence. Trans-epidermal water loss (TEWL) and the sebum secretion amount in the scalp were significantly decreased after 4 weeks compared to before. The frictional force against combing before and after using the hair shampoo and the essence for normal hair tress and damaged hair tress was significantly changed. The combing force was increased for normal hair tress and decreased for damaged hair tress. In conclusion, we suggest that keratin peptides are appropriated as cosmetic ingredients to be used in hair and scalp related products.
Delayed luminescence from human hands after illumination by light at different wavelength bands was studied. A delayed luminescence measurement system equipped with photomultiplier tube (PMT), fiber optics and automatic mechanical shutter system was developed. Three spectrum band-pass filters, fer which transmissions are on 350${\~}$450 nm, 450${\~}$550 nm and 550${\~}$650 nm, were used to select irradiation wavelength, and 150W metal-halide lamp was used as an illumination source. Six volunteers put their palms (dorsa) onto the measurement system, and after light illumination, delayed luminescence were measured for 10 minutes. The results show that delayed luminescence after shorter wavelength illumination was higher than that a(ter longer wavelength one. These results indicate the existence of accepters in human skin which can be excited at short wavelengths. Furthermore, each subjects showed different delayed luminescence curve patterns. Reactive oxygen species (ROS) are known to have important roles on delayed luminescence, and this research suggests that ROS concentration can be measured noninvasively with optical methods.
The $CO_2$-richrich water pumps or springs out at two sites (Sinchon and Kohran) consisting of Cretaceous sedimentary rocks in Kyungpook area. The water has been long known as its soda pop-liketaste and therapeutic effect against calcium deficit, stomach and skin troubles, etc. The water arecharacterized by a high $CO_2$ concentration $(P_{CO2}=0.29~l.01 atm)$ and electrical conductance (1,093~2,810$\mu$S/cm). The $CO_2$-rich water belongs to Ca(Na)-$HCO_3$ type in chemical classification. The contents of Ca, Mg, Na, HCO$_3$ and Fe of $CO_2$-rich water show much higher values than those of general groundwater Environmental isotopic data $(^2H/^1H, ^{18}O/^{16}O and ^3H/^1H)$ indicate that the water is ofmeteoric origin recharged after 1950s. The $CO_2$ in the springs seems to be originated from deep-seatedsource related to acidic porphyry and granite nearby sedimentary rocks. Carbonate minerals and albiteare likely to be the major source minerals of the dissoved inorganic constituents in the $CO_2$-rich water.The equilibrium state between major minerals and $CO_2$-rich water was calculated by a thermodynamicprogram.
As a material of metal-ceramic prosthesis, nickel as a form of Ni-Cr alloy has been used for many dental prostheses in many cases. However, several problems in use of the alloy have been revealed (ex : tissue stimulation, skin allergy, hypersensitivity, cytotoxicity and carcinogenecity). Little is known about nickel with respect to the relationship between Ni-prosthesis and gaining of Ni-resistance in oral microorganisms. The present study was undertaken to check wheather use of Ni-prosthesis leads to occurrence of Ni-resistant microorganisms. So this study may suggest the possible relationships between the oral microorganisms and nickel-resistance in oral environment. Bacteria were isolated from the gingival crevicular fluid on the pateints wearing Ni-Cr prosthesis. The isolated bacteria were tested for their Ni-resistance in nickel containing media at different concentration from 3mM to 110mM. E. coli HB101 was used as control. The Ni-resistant bacteria were isolated and biochemically identified. The Ni-resistant bacteria were tested several bio-chemical, molecular-biological tests. Performed tests were ; measuring the growth curve, antibiotic test, growth ability test in liquid media, isolation of the chromosome and plasmid, digestion of DNA by restriction enzyme, electrophoresis of chromosome and plasmid DNA, identification of Ni-resistant genes by the DNA hybridization. The results were as follows: 1) The bacteria isolated from gingival crevicular fluid on the patients wearing Ni-Cr alloy pros-thesis showed nickel-resistance. 2) The isolated microorganisms grew at nickel containing media of high concentrations (60mM-110mM). 3) Based on the biochemical tests, the isolated microorganisms were identified as Enterococcus faecalis(13 cases), Klebsiella pneumoniae(1 case) and Enterobacter gergeviae(1 case). 4) Enterococcus faecalis expressed not only nickel resistance but also the multi-drug resistance to several antibiotics ; chloramphenicol, kanamicin, streptomycin, lincomycin, clindamycin. However, all strain showed the sensitivity against the tetracycline. 5) DNA hybridization result suggest that there is no homology between the previousely known gene of nickel resistance in Klebsiella pneumoniae and chromosomal DNA of Enterococcus faecalis.
Journal of the Korean Society of Food Science and Nutrition
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v.43
no.3
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pp.374-380
/
2014
In this study, the anti-inflammatory effects of Lespedeza cuneata extract on macrophages and wound-healing in wound-induced animal experiments were investigated. In an anti-inflammatory test, 0.1 mg/mL of Lespedeza cuneata extract did not affect growth of RAW 264.7 cells, and Lespedeza cuneata extract suppressed nitric oxide (NO) generation from inflammation-induced macrophages in a concentration-dependent manner. Wounds on the skin of rats were treated with vehicle containing Lespedeza cuneata extract (SSP), vehicle (SCO), and commercial ointment (CCO). The wound and scar sizes in the SSP group were significantly reduced in comparison to the SCO and CCO groups (P<0.05). The epidermis and dermis of the SSP group also recovered faster than the SCO group based on Masson's trichrome staining. The gene expression levels of vascular endothelial growth factor (VEGF) decreased and transforming growth factor-beta 1 (TGF-${\beta}1$) increased in wound tissue from the SSP group compared to that from the SCO group. These results show that Lespedeza cuneata extract accelerates wound-healing through anti-inflammatory activity and induction of collagen regeneration as well as reduces the scar area surrounding wounds. Accordingly, Lespedeza cuneata extract could be useful as a cosmeceutical in the cosmetic industry.
It is well known that increased incidences of lung, skin, and bladder cancers are associated with occupational exposure to PAHs. Animal studies show that certain PAHs also can affect the hematopoietic and immune systems and can produce reproductive, neurologic, and developmental effects. As a consequence, several studies have been attempted to investigate the fate of PAHs in atmospheric environment during the past decades. However, there is still a lack of information in regard to the atmospheric concentration of PAHs during the "Bon Fire Night". In this study, twenty-three polycyclic aromatic hydrocarbons and twenty-eight aliphatics were identified and quantified in the $PM_{10}$ and vapour range in Birmingham ($27^{th}$ November 2001-$19^{th}$ January 2004). The measured concentrations of total particulate and vapour (P+V) PAHs were consistently higher at the BROS in both winter and summer. Arithmetic mean total (P+V) PAH concentrations were $51.04{\pm}47.62$ ng $m^{-3}$ and $22.30{\pm}19.18$ ng $m^{-3}$ at the Bristol Road Observatory Site (BROS) and Elms Road Observatory Site (EROS) respectively. In addition arithmetic mean total (P+V) B[a]P concentrations at the BROS were $0.47{\pm}0.39$ ng $m^{-3}$ which exceeded the EPAQS air quality standard of 0.25 ng $m^{-3}$. On the other hand, the arithmetic mean total (P+V) aliphatics were $81.80{\pm}69.58$ ng $m^{-3}$ and $48.00{\pm}35.38$ ng $m^{-3}$ at the BROS and EROS in that order. The lowest average of CPI and $C_{max}$ measured at the BROS supports the idea of traffic emissions being a principle source of SVOCs in an urban atmosphere. The annual trend of PAHs was investigated by using an independent t-test and oneway independent ANOVA analysis. Generally, there is no evidence of a significant decline of heavier MW PAHs from the two data sets, with only Ac, Fl, Ph, An, 2-MePh, 1+9-MePh, Fluo and B[b+j+k]F showing a statistically significant decline (p<0.05). A further attempt for statistical analysis had been conducted by dividing the data set into three groups (i.e. 2000, 2001-2002 and 2003-2004). For lighter MW compounds a significant level of decline was observed by using one-way independent ANOVA analysis. Since the annual mean of $O_3$ measured in Birmingham City Centre from 2001 to 2004 increased significantly (p<0.05), it may be possible to attribute the annul reduction of more volatile PAHs to the enhanced level of annual average $O_3$. By contrast, the heavier MW PAHs measured at the BROS did not show any significant annual reduction, implying the difficulties of 5- and 6-ring PAHs to be subject to photochemical decomposition. The deviation of SVOCs profile measured at the EROS was visually confirmed during the "Bonfire Night" festival closest to the $6^{th}$ November 2003. In this study, the atmospheric PAH concentrations were generally elevated on this day with concentrations of Fl, Ac, B[a]A, B[b+j+k]F, Ind and B[g,h,i]P being particularly high.
Kim, Ju-Young;Kim, Young-Ae;Yun, Hye-Jeong;Park, Hye-Min;Kim, Sun-Yeou;Lee, Kwang-Gill;Han, Sang-Mi;Cho, Yun-Hi
Nutrition Research and Practice
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v.4
no.5
/
pp.362-368
/
2010
Oral administration of royal jelly (RJ) promotes wound healing in diabetic mice. Concerns have arisen regarding the efficacy of RJ on the wound healing process of normal skin cells. In this study, a wound was created by scratching normal human dermal fibroblasts, one of the major cells involved in the wound healing process. The area was promptly treated with RJ at varying concentrations of 0.1, 1.0, or 5 mg/ml for up to 48 hrs and migration was analyzed by evaluating closure of the wound margins. Furthermore, altered levels of lipids, which were recently reported to participate in the wound healing process, were analyzed by HPTLC and HPLC. Migration of fibroblasts peaked at 24 hrs after wounding. RJ treatment significantly accelerated the migration of fibroblasts in a dose-dependent manner at 8 hrs. Although RJ also accelerated the migration of fibroblasts at both 20 hrs and 24 hrs after wounding, the efficacy was less potent than at 8 hrs. Among various lipid classes within fibroblasts, the level of cholesterol was significantly decreased at 8 hrs following administration of both 0.1 ug/ml and 5 mg/ml RJ. Despite a dose-dependent increase in sphinganines, the levels of sphingosines, ceramides, and glucosylceramides were not altered with any concentration of RJ. We demonstrated that RJ enhances the migration of fibroblasts and alters the levels of various lipids involved in the wound healing process.
Three anticncer agents which are different in time or dosage dependence as well as in phase specificity, namely mitomycin and adriamycin from natural products, and widely different cancer cell lines_Four epidermoid carcinomas originated from larynx, cervix, skin and gut were used toghether with one osteosarcoma as the target cell of single and combined administration of anticancer drugs. Semiautomated tetrazolium dye assay(MTT) appears to offer an attractive option for chemosensitivity of head and neck cancers since it is a simple, valid and inexpensive method of assessing chemosensitivity for large samples in a short time. The results obtained form this study were as follows. 1. Good correlations were obtained with the results of the MTT test and those of $^3H$ thymidine uptake assay. 2. $LD_{50}$ values of HIST and St.Ca. which showed relatively high doubling time on adriamycin were $30{\mu}g/ml$ and $15{\mu}g/ml$ while those of HeLa, Hep-2 and KHOS/NP were $2.1{\mu}g/ml$, $4.8{\mu}g/ml$, and $6.8{\mu}g/ml$ respectively. 3. The $LD_{50}$ value of 5-FU on five cancer cells were very high ranging from 15mg/ml to almost indefinite number, which means 5-FU is very resistant to epidermoid carcinomas or osteosarcoma examined in this study. 4. Mitomycin was relatively effective showing 80% cancer killing effect on HeLa, 70% on St. Ca. and 50% on Hep-2 at the high concentrations used. 5. Adriamycin was the most effective showing 90% cancer cell killing effect on KHOS/NP, 98% on HeLa, 80% both on Hep-2 and St. Ca. The least susceptible cancer cells toward adriamycin was HIST having only 55% cell killing effect at the high cincentration. 6. Combined therapy of adriamycin and 5-FU was more effective than single administration in all the cases examined. Most effective synergism was observed on St. Ca. at the low concentration, showing 21 times higher than each single administration.
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