Journal of the Korean Society of Food Science and Nutrition
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v.43
no.1
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pp.110-117
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2014
In this study, the biological activity of water and ethanol extracts from Chrysanthemum incidicum Linne by ultrafine grinding for functional food source are examined. The content of phenolic compounds from Chrysanthemum incidicum Linne were the highest when extracted for 6 hr with 70% ethanol. The extraction yield of water and ethanol extracts were $7.12{\pm}1.61$ mg/g and $7.51{\pm}2.14$ mg/g, respectively. With ultrafine grinding, water and ethanol extracts were $8.63{\pm}1.15$ mg/g and $9.33{\pm}1.35$ mg/g, respectively. In determining anti-oxidative activity of Chrysanthemum incidicum Linne extracts, DPPH of normal grinding extracts was 83.52% and ultrafine grinding was 92.37%. In ABTS radical cation decolorization, normal grinding, fine grinding, and ultrafine grinding extracts were 90% or higher. In antioxidant protection factor (PF), water and ethanol extracts of ultrafine grinding showed relatively high anti-oxidative activities of each 1.82 PF and 2.16 PF, respectively. The TBARS value of ultrafine grinding extracts were lower than normal grinding and fine grinding extracts. The inhibition activity on xanthin oxidase of Chrysanthemum incidicum Linne extracts was 67.53% in ultrafine grinded water extracts and 83.45% in ultrafine grinded ethanol extracts. Inhibition on xanthin oxidase of ethanol extracts showed a higher inhibition effect than water extracts, and ultrafine grinding was higher than normal grinding. In angiotensin converting enzyme inhibition activity, ultrafine grinding water extract was 24% or higher, and ethanol extract was 34% or higher. The elastase inhibition activity of ultrafine grinding extract was 25.56%, which was higher than 20.34% of fine grinding extracts. Water extracts did not show hyaluronidase inhibition activity but ethanol extracts showed 35% of hyaluronidase inhibition activity. The determining expression inhibition of iNOS and COX-2 protein in macrophage by Chrysanthemum incidicum Linne extracts with a Western blot analysis, iNOS and COX-2 protein expression inhibition by Chrysanthemum incidicum Linne ethanol extracts were 40% and 15%, respectively at 100 ${\mu}g/mL$ concentration. The inhibitory patterns of iNOS and COX-2 protein expression was concentration dependent. The result suggests that Chrysanthemum incidicum Linne extracts by ultrafine grinding may be more useful than normal grinding as potential sources due to anti-oxidation, angiotensin converting enzyme and xanthine oxidase inhibition, anti-inflammation effect.
Journal of the Korean Society of Food Science and Nutrition
/
v.46
no.5
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pp.572-580
/
2017
The contents of phenolic compounds in water and 40% ethanol extracts from Okkwang (Castanea crenata) chestnut bur solid (OCS) were $11.24{\mu}g/50{\mu}g$ solid and $10.28{\mu}g/50{\mu}g$ solid, respectively. The 1,1-diphenyl-2-picrylhydrazyl free radical scavenging and 2,2'-azino-bis(3-ethylbenzothiazoline- 6-sulfonic acid) radical decolorization activities of water and ethanol extracts were 85% and 100% as well as 87% and 86% at a solid content of $50{\mu}g/mL$, respectively. The anti-oxidant protection factors (PFs) of water and ethanol extracts at a solid content of $200{\mu}g/mL$ were 1.22 PF and 1.45 PF, respectively. Thiobarbituric acid reactive substance were 83% in water extract and 73% in ethanol extract at a solid content of $200{\mu}g/mL$. The inhibitory activities against xanthine oxidase in water and ethanol extracts were 54% and 43% at a solid content of $200{\mu}g/mL$, respectively. The inhibitory activities against ${\alpha}$-glucosidase were 95% in water extract and 96% in ethanol extract at a solid content of $50{\mu}g/mL$. Tyrosinase inhibitory activity was 27% in ethanol extract at a solid content of $200{\mu}g/mL$. The collagenase and elastase inhibitory activities as anti-wrinkle effect were 93% and 11% in water extract as well as 94% and 56% in ethanol extract at a solid content of $200{\mu}g/mL$. Hyaluronidase inhibitory activity as anti-inflammatory effect of water and ethanol extracts were 96% and 52% at a solid content of $200{\mu}g/mL$, respectively. The results show that extracts from OCS can be used as a functional resource with antioxidant, anti-gout, carbohydrate degradation inhibitory, whitening, anti-wrinkle, and anti-inflammatory activities.
Journal of the Korean Society of Food Science and Nutrition
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v.37
no.3
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pp.269-275
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2008
The avocado is a widely grown and consumed fruit that is high in nutrients and low in calories, sodium, and fats. In this study, antioxidant activities and induction of apoptosis by methanol extracts from sarcocarp, seed and peel of avocado were investigated in vitro. Contents of total polyphenols in methanol extracts from sarcocarp, seed and peel were 13.89, 137.12 and $223.45{\mu}g/mg$ respectively. Radical-scavenging activities of the methanol extracts were examined by using ${\alpha},{\alpha}$-diphenyl-${\beta}$-picrylhydrazyl (DPPH) radicals and 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) assay. The methanol extracts from the peel of avocado showed higher scavenging activities against DPPH, ABTS than those from sarcocarp and seed. Apoptosis in MDA-MB-231 cells mediated by the methanol extracts of avocado was associated with the increase of activation of caspase-3 and caspase-3 target protein, PARP. Therefore, with more researches on identification and action mechanism of active compounds, the methanol extracts from peel and seed of avocado is expected to be a natural source for the developments of functional food and medical agents to prevent human breast cancer.
Journal of the Society of Cosmetic Scientists of Korea
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v.43
no.3
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pp.211-221
/
2017
This study was performed to investigate the functional properties and characteristics of Dolnamul (Sedum sarmentosum) as a cosmetic ingredient. Lyophilized sedum powder was extracted with ethanol and stored at $-20^{\circ}C$ for the following experiments. Total polyphenol compounds of the ethanol extract of sedum (SE) was $27.98{\pm}0.34g/kg$(dry weight): epicatechin ($162.14{\pm}5.07mg/kg$), epigallocatechin ($55.99{\pm}2.49mg/kg$), and kaempferol ($47.96{\pm}3.02mg/kg$) were contained in the SE. The SE had organic radical scavenging capacity ($78.43{\pm}1.08%$) and metal reducing power (FRAP value $2.54{\pm}0.12$). FTC and TBARS assays confirmed that the SE inhibited the early stage of lipid peroxidation ($62.03{\pm}0.38%$) as well as the final stage of lipid peroxidation ($55.36{\pm}2.05%$), respectively. The SE (5 mg/mL, dry weight) was proved to have antibacterial effect on the growth of Propionibacterium acnes. The inhibitory percentages of the SE on elastase and collagenase activities were $38.94{\pm}7.09%$ and $78.94{\pm}2.49%$, respectively. Compare to the control group, the SE treated group induced an increase of Col3A1 expression and collagen production ($58.11{\pm}1.07%$). The oil in water emulsion (0.5% SE adding group) showed pH 6.88 and 1.47 g/mL of density. The hardness changes of the SE adding emulsions were not detected during the stored periods at various temperatures ($-20-45^{\circ}C$) for four weeks. It is considered that the SE has antibacterial, antioxidant, and antiaging activities.
Choi, Dong Jun;Cho, Uk Min;Choi, Da Hee;Hwang, Hyung Seo
Journal of the Society of Cosmetic Scientists of Korea
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v.44
no.2
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pp.171-181
/
2018
Genistein is one of the representative isoflavone compounds isolated from soybeans and has been studied very well for its anti-aging and anti-inflammatory activity through previous studies. However, although genistein exhibits high solubility in organic solvents, it shows low bioavaility due to the low water solubility. In this study, we compared directly the functional difference between genistein and genistein cyclodextrin complex which has the improved water solubility and stability by cell based assay. Cell cytotoxicity experiment were carried out on RAW264.7 with CCK-8 assay and cytotoxicity was appeared from $10{\mu}g/mL$, thereby maximum concentration was set to $10{\mu}g/mL$ in all condition. We discovered that genistein CD complex suppressed NO production and iNOS expression as concentration dependent manner in the condition of LPS rather than genistein. Also, we could understand that genistein CD complex was able to down-regulate mRNA expression of anti-inflammatory cytokines such as $IL1-{\alpha}$, $IL1-{\beta}$, IL-6, and $TNF-{\alpha}$ as concentration dependent manner in the presence of LPS. In addition, we verified that genistein CD complex increased TEER of HaCaT human keratinocyte cells as concentration dependent pattern and stimulated cell division and migration rather than genistein in cell migration assay. Thus, it is expected that it can be used as an effective cosmetic raw material for improving atopic dermatitis or skin barrier if clinical studies on skin regeneration and skin barrier of the genistein CD complex are carried out.
Through the screening of marine natural compounds that inhibit cancer cell proliferation, we previously reported that pectenotoxin-2 (PTX-2) isolated from marine sponges exhibits selective cytotoxicity against several cell lines in p53-deficient tumor cells compared to those with functional p53. However, the molecular mechanisms of its anti-proliferative action on malignant cell growth are not completely known. To further explore the mechanisms of its anti-cancer activity and to test whether the status of p53 in liver cancer cells correlates with their chemo-sensitivities to PTX-2, we used two well-known hepatocarcinoma cell lines, p53-deficient Hep3B and p53-wild type HepG2. We have demonstrated that PTX-2 markedly inhibits Hep3B cell growth and induces apoptosis whereas HepG2 cells are much more resistant to PTX-2 suggesting that PTX-2 seems to act by p53-independent cytotoxic mechanism. The apoptosis induced by PTX-2 in Hep3B cells was associated with the modulation of DNA fragmentation factor (DFF) family proteins, up-regulation of pro-apoptotic Bcl-2 family members such as Bax and Bcl-xS and activation of caspases (caspase-3, -8 and -9). Blockade of the caspase-3 activity by caspase-3 inhibitor, z-DEVD-fmk, prevented the PTX-2-induced growth inhibition in Hep3B cells. Moreover, treatment with PTX-2 also induced phosphorylation of AKT and extracellular-signal regulating kinase (ERK), but not c-Jun N-terminal kinase (JNK) and p38 mitogen-activated protein kinase (MARK). Specific inhibitors of PI3K inhibitor (LY294002) and ERK1/2 inhibitor (PD98059) significantly blocks PTX-2-induced-anti-proliferative effects, whereas a JNK inhibitor (SP600125) and a p38 MAPK inhibitor (SB203580) have no significant effects demonstrating that the pro-apoptotic effect of PTX-2 mediated through activation of AKT and ERK signal pathway in Hep3B cells.
This study examined the antioxidant activity of the dark purple rice seeds from the rice line, MGI079, derived from insertional mutagenesis. The contents of polyphenolic compounds were 1.3 and 1.9-fold higher in the MGI079-2-1 and MGI079-2-6 rice lines than in the donor cultivar MGI079. Flavonoid contents were 6.4-fold higher in the MGI079-2-1 line. The MGI079-2-1 line showed a 24.4-fold higher activity in DPPH free radical scavenging compared to the MGI079 line. The anthocyanin content of the MGI079-2-6 line was more than 106.4-fold higher than the MGI079 line and 1.4-fold higher than the Heugnam line. Anthocyanin content in colored rice grains was negatively correlated with Hunter's L, a, and b values, with the correlation coefficients of $-5.64^{**}$, $5.21^{**}$ and -1.15, respectively. The grain length/width of a mutant of MGI079 segregated to a medium and bold type compared to the medium type of MGI079. However, the 1,000 grain weight was decreased to 13.6~19.6 g compared to 19.8 g for MGI079. Amylose content of the endosperm was 5.6~23.8% higher than in the MGI079 line. The grain of mutants of MGI079 was distinguished by its starch characteristics. The higher antioxidant activity of the MGI079-2-1 and MGI079-2-6 lines indicated functional characteristics associated with high-value resources, so future breeding should focus on the development of pigments in colored rice in new varieties.
The study was carried out to analyze the relationship between analysis of antioxidant activity and the level of functional components according to particle size of corn silk. Particle size was classified into 5 groups. By particle size distribution and color difference, the total phenol content and DPPH radical scavenging activity were observed. The particle sizes of corn silk were $199.17{\mu}m$, $178.27{\mu}m$, $85.48{\mu}m$, $27.4{\mu}m$ and $20.97{\mu}m$, respectively. The lightness of colored pigments was increased when the particle size was decreased. The contents of free sugar (fructose, glucose, galactose, sucrose, and maltose) of corn silk were analyzed using a HPLC. The total phenol contents by the particle sizes of corn silk were 2.01 mg/g, 2.02 mg/g, 2.06 mg/g, 2.26 mg/g and 2.26 mg/g, respectively. DPPH radical scavenging activities of samples were 21.00%, 21.75%, 22.90%, 24.35% and 23.67%, respectively. Antioxidative activities of Trolox and Fe(II) in corn silk were measured by ferric reducing antioxidant power (FRAP) assay and Trolox equivalent antioxidant capacity (TEAC) assay. TEAC values of samples were $2.36{\mu}mol$ TE / g dw, $2.81{\mu}mol$ TE / g dw, $3.20{\mu}mol$ TE / g dw, $3.36{\mu}mol$ TE / g dw, and $3.44{\mu}mol$ TE / g dw, respectively. FRAP values of samples were $11.67{\mu}mol$ Fe(II) / g dw, $12.80{\mu}mol$ Fe(II) / g dw, $13.43{\mu}mol$ Fe(II) / g dw, $13.85{\mu}mol$ Fe(II) / g dw and $15.95{\mu}mol$ Fe(II) / g dw, respectively. Total phenolic content and antioxidantive activities based on FRAP assay and TEAC assay were increased with decreasing particle size. In addition, DPPH radical scavenging activity was also increased. A significant correlation was also noted between DPPH radical scavenging activities and the content of phenolic compounds.
This study was carried out to evaluate the chemical properties and functional characteristics, such as general composition and bioactivity compounds contents of fresh and blanched (at $95^{\circ}C$, for 5min) garlic shoot from Namhae. Also, evaluated antioxidant and antimicrobial activities of water and ethanol extract of fresh and blanched garlic shoot. The moisture content of fresh garlic steam was $ 85.14{\pm}0.35%$, crude protein and crude lipid were $0.79{\pm}0.26%$ and $2.96{\pm}0.03%$ respectively. Vitamin C content was higher in fresh garlic shoot ($7.07{\pm}0.84mg/100g$) than blanched. Total phenol and total chlorophyll contents were respectively $16.93{\pm}1.17mM/g$ and $6.70{\pm}0.46mg/g$ in fresh garlic shoot. Allicin content of blanched garlic shoot was $128.63{\pm}1.59mM/g$. This content was 1.82 times higher than the fresh garlic shoot. Total pyruvate content was higher in fresh garlic shoot ($24.63{\pm}1.59mM/g$), but thiosulfinate was higher in fresh garlic shoot. Total flavonoide was the highest in water extract of blanched garlic shoot ($3.67{\pm}0.00mM/g$). ABTS radical scavenging activity of water extract form blanched garlic shoot was $85.09{\pm}0.28%$, which was higher than the other extracts. NO radical scavenging activity of ethanol extract from blanched garlic shoot was significantly higher than the extracts from fresh garlic shoot. Antibacterial activity to S. aureus, S. enterica, B. cereus and E. coli was only indicated in water extract of fresh garlic shoot.
Ha, Gi-Jeong;Lee, Yong-Ho;Kim, Nak-Ku;Shon, Gil-Man;Rho, Chi-Woong;Jeong, Hee-Rok;Heo, Ho-Jin;Jeong, Chang-Ho
Journal of agriculture & life science
/
v.46
no.4
/
pp.155-164
/
2012
The chemical components in different parts of Artemisia argyi was investigated to provide industrial possibilities as functional foods The analysis result of proximate composition in leaves, stems and roots of Artenisia argyi was substantially as follows. The crude protein contents were 19.87, 6.14 and 5.68%, the crude lipid contents were 4.56, 1.30 and 1.20%, the crude fiber contents were 16.80, 29.70 and 29.45%, respectively. The major mineral components in Artemisia argyi were potassium, calcium and magnesium. Contents of potassium and calcium in leaves were 4,270.24 and 617.64 mg/100 g, respectively, they were more than double the contents of root. Sucrose and glucose as main free sugars were detected in the leaves and roots. However, glucose and fructose were identified in the stem. Total amino acids showed 17 amino acids. Contents of total amino acid in the leaves was the highest as 4,864.11mg/100g, and the stems and roots showed 1,953.99 and 1,601.73mg/100g, respectively. The major amino acids in the leaves and stems were proline(963.91 and 407.52mg/100g) and aspartic acid(577.38 and 299.17mg/100g), respectively. Glutamic acid(206.34mg/100g) and arginine(193.23mg/100g) were main amino acids in the roots. The major fatty acids in all parts were linoleic acid($C_{18:2}$), behenic acid($C_{22:0}$), and palmitic acid($C_{16:0}$). Eupatilin(35.0mg/100g) and jaceosidin (107.63mg/100g) as physiological compounds contents were higher in leaves than other parts.
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