The extracted phenolic compounds from Cornus kousa fruit for biological activities as functional resources were examined. The phenolic compounds which were extracted with water and 40% ethanol from Cornus kousa fruit were $7.04{\pm}0.27$ and $4.47{\pm}0.18mg/g$, respectively. The 1,1-diphenyl-2-picrylhydrazyl free radical scavenging activity of water and ethanol extracts were 84% and 86% at $50{\mu}g/mL$phenolics, respectively. The 2,2'-Azinobis-(3-ethylbenzothiazoline-6-sulfonic acid radical decolorization activity of water and ethanol extracts were 84 and 95% at $100{\mu}g/mL$ phenolics, respectively. Antioxidant protection factor in water and ethanol extracts at $50{\mu}g/mL$ phenolics were 1.93 and 1.82 PF, respectively. Thiobarbituric acid reactive substance were 69% in water extracts and 89% in ethanol extracts at $150{\mu}g/mL$ phenolics. The inhibition activity on xanthine oxidase in water and ethanol extracts was 34 and 60%, respectively. The inhibition activity on ${\alpha}$-glucosidase was 29% in water extracts and 87% in ethanol extracts. The tyrosinase inhibitory activity was 19% in ethanol extracts. The collagenase inhibition activity of anti-wrinkle effect showed an excellent wrinkle improvement effect as 53% in water extracts and 77% in ethanol extracts at $200{\mu}g/mL$ phenolics. The hyaluronidase inhibition activity as antiinflammation effect of water extracts was confirmed to 34% of inhibition at $200{\mu}g/mL$ phenolic. The results can be expected extracts from Cornus kousa fruit to use as functional resource for antioxidant, antigout, inhibitor of carbohydrate degradation, antiwrinkle activity and antiinflammation activity.
The biological activities of water and ethanol extracts from different fruit parts, such as peel, flesh, and placenta of oriental melon were investigated. The total phenolic concentration of water extract was the highest such as 151.64 ${\mu}g/g$ in the peel, also that of ethanol extract was 224.77 ${\mu}g/g$ in the peel, respectively. The total flavonoid content in the water and ethanol extracts were high such as 45.53 ${\mu}g/g$ and 67.16 ${\mu}g/g$ of peel, respectively. In the physiological activities, DPPH in the water and ethanol extracts were high such as 25.0% and 83.3% of peel in 1% concentration. Extract of peel was higher than those of flesh and placenta. ABTS in the water extracts was 79.2% of peel, 57.6% of flesh and 74.0% of placenta in 1% concentration. Ethanol extracts was 99.9% of peel, 52.1% of flesh and 41.2% of placenta in 1% concentration. In addition, xanthine oxidase inhibitory activity and ${\alpha}$-Glucosidase inhibition activity of the peel of water and ethanol extracts appeared to be higher than those of placenta and flesh. This study showed that the antioxidant and ${\alpha}$-Glucosidase inhibition activity of peel extracts were higher than those of placenta and flesh. Also, the antimicrobial effect of ethanol extract from different fruit parts was shown only on Streptococcus agalactiae.
Kim, Ji Hye;Song, Hana;Ko, Hee Chul;Lee, Ju Yeop;Jang, Mi Gyeong;Kim, Se Jae
Journal of Life Science
/
v.27
no.6
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pp.640-645
/
2017
Clerodendrum trichotomum (CT) leaves and stems have been used in folk medicine for their anti-hypertension, arthritis, rheumatism, and anti-inflammatory properties. This study was performed to evaluate the potential of CT as an anti-oxidant and anti-inflammatory agent. CT leaves were extracted using 70% ethanol (EtOH). Then, using this extract, a hexane, chloroform ($CHCl_3$), ethyl acetate (EtOAc), and n-butanol (BuOH) fraction was prepared. The polyphenol contents were higher in the EtOAc fraction ($78.08{\mu}g/mg$) and BuOH fraction ($77.54{\mu}g/mg$) compared to the other fractions. Also, these two fractions exhibited strong 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2'-azino-bis-(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) radical scavenging activities. Xanthine oxidase inhibitory activities were higher in the $CHCl_3$ fraction ($IC_{50}=4.43{\mu}g/ml$) and EtOAc fraction ($IC_{50}=5.69{\mu}g/ml$). Moreover, the EtOAc fraction effectively inhibited nitric oxide (NO) production in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells ($IC_{50}=18.87{\mu}g/ml$). Thus, we investigated the effects of the EtOAc fraction on the expression of pro-inflammatory cytokines, inducible nitric oxide synthase (iNOS), and cyclooxygenase-2 (COX-2) in LPS-stimulated RAW 264.7 cells. The treatment of the EtOAc fraction ($100{\mu}g/ml$) effectively decreased the levels of the tumor necrosis factor ${\alpha}$ ($TNF-{\alpha}$) and interleukin-6 (IL-6), and the expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2). These results suggest the potential for CT extract and fractions as promising anti-oxidant and anti-inflammatory agents.
This study was conducted in order to analyze the polyphenol contents and antioxidant activities of hot-water extracts of Aster scaber in the wild field and cultivated field, and through the drying methods for the comparison on the quality characteristics of Aster scaber, according to cultivation and drying methods, and the development of functional materials. The extraction yield was higher in the Aster scaber cultivated field than those of the Aster scaber in the wild field, and high from the dried Aster scaber. The total polyphenol and flavonoid contents of Aster scaber hot-water extracts from the wild field were higher than those in the cultivated field. The total polyphenol contents were high in the extract of blanched and dried Aster scaber, and the flavonoid content was high in the non-treated Aster scaber. The electron donating ability (EDA) values of Aster scaber hot-water extracts were increased along with the increase of extract concentration, while the EDA of the blanched and dried Aster scaber extracts was higher than the other extracts. Furthermore, the SOD-like activity was increased by the extract concentration, and was high in the extract of the non-treated Aster scaber. The nitrite scavenging ability in pH 1.2 was high in the non-treated, blanched, dried, and natural dried Aster scaber. The xanthine oxidase inhibitory activities were increased through the increase of extract concentrations, and higher in the hot-water extract from Aster scaber in the wild field (WRA) than those in the other extracts. The inhibition of tyrosinase and reduction of power were increased by the increased extract concentration, and high in the extracts of blanched and dried Aster scaber. The reduced power was higher in the Aster scaber hot-water extracts of cultivated field, and was higher in the extracts of blanched and dried Aster scaber than those in the extracts dried through the use of other drying methods. Aster scaber has a high content of polyphenol and flavonoid, and antioxidant activities, which were developed as functional materials.
Journal of the Korean Society of Food Science and Nutrition
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v.41
no.5
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pp.706-713
/
2012
This study was carried out to investigate the contents of monacolin K and citrinin, along with the sensory quality and antioxidant activity of mulberry leaf tea fermented by $Monascus$$pilsous$ (FMM). Total monacolin K content of FMM was 0.058%, but citrinin was not detected. Redness of brewed FMM was remarkably higher than that of unfermented mulberry leaf tea (UFM). In sensory evaluation of brewed FMM, while astringent taste and savory taste were lower, flavor, color, and overall acceptability were significantly higher than those of UFM. Total polyphenol contents of UFM and FMM were 83.1 and 23.61 mg/g (dry basis), total flavonoid contents of UFM and FMM were 17.96 and 3.99 mg/g (dry basis), respectively. Xanthine oxidase (XO) inhibitory activity and superoxide dismutase (SOD)-like activity of FMM were lower than those of UFM. Electron-donating ability and ferric-reducing antioxidant power of FMM were slightly lower than those of UFM. However, the antioxidant activities of FMM per polyphenol content were markedly higher than those of UFM. These results suggest that FMM may scavenge excessive reactive oxygen spices (ROS) via inhibition of XO and SOD-like activity. Furthermore, FMM demonstrated relatively higher acceptability and antioxidant ability along with functionality of $Hongguk$ (red yeast rice), and therefore could be utilized to prevent various ROS-induced diseases.
This study was carried out to determine the biological activity of Acanthopanax sessiliflorum fruit extracts. The phenolic compound contents of the extracts were 21.4 and 15.8 mg/g in hot water and 60% ethanol extracts. The total anti-oxidant activities of the water and the 60% ethanol extracts at a 200 ${\mu}g/mL$ phenolic concent ration were at $92.4{\pm}0.8$ and $89.2{\pm}1.1%$ in terms of the DPPH radical scavenging activity, $98.3{\pm}1.1$ and $96.5{\pm}3.5%$ in terms of the ABTS radical decolorization, $2.0{\pm}0.6$ and $1.2{\pm}2.8$ PF in terms of the anti-oxidant protection factor, and $66.3{\pm}0.8$ and $61.4{\pm}2.3%$ in terms of the TBARs inhibitory activity. The activities that inhibited the angiotensin-converting enzyme and xanthin oxidase were at $85.1{\pm}3.2$ and 0% in the water extracts and $59.3{\pm}1.5$ and $9.5{\pm}0.8%$ in the 60% ethanol extracts at the 200 ${\mu}g/mL$ phenolic concentration. The tyrosinase and elastase inhibitory activities were at $56.6{\pm}1.8$ and $53.1{\pm}1.1%$ in the water extracts and $33.7{\pm}2.2$ and $22.4{\pm}3.1%$ in the 60% ethanol extracts. The astringent effect of the water and the 60% ethanol extracts were at $50.5{\pm}0.9$ and $11.5{\pm}4.1%$.
Journal of the Korean Society of Food Science and Nutrition
/
v.43
no.3
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pp.389-396
/
2014
The physiological properties of 70% ethanol extracts from Portulaca oleracea with different extraction methods (reflux extraction, RE; autoclave extraction, AE; low temperature high pressure extraction, LTPE) were investigated. The freeze-dried powder yields of RE, AE, and LTPE were 33.78%, 30.80%, and 11.05%, respectively. The color values of L and b were higher in LTPE, and the chroma values were higher in AE and LTPE compared to RE. The total polyphenolics and proanthocyanidin contents in LTPE were significantly higher than in other extracts. The amount of substances related to flavonoids contents was highest in RE (4.30 mg/g), followed by AE (4.06 mg/g), and LTPE (4.00 mg/g). DPPH radical scavenging ability with a concentration of 500 mg% (w/v) were in the following order; LTPE (88.87%)> RE (83.84%)> AE (80.67%). Further, the reducing power, ABTS radical scavenging ability, and nitrite scavenging activity was observed in the same tendency as seen with the DPPH radical scavenging ability. However, the ferrous ion chelating activity of RE (85.45%) and AE (83.88%) was significantly higher than that of LTPE (75.60%). ${\alpha}$-Glucosidase inhibitory activities of RE and LTPE with a concentration of 100 mg% were significantly higher than AE. Xanthine oxidase, and acetylcholinesterase inhibitory activities of LTPE were higher than the other extracts. These results suggest that the extracts from Portulaca oleracea have the potential to act as functional materials, and components of Portulaca oleracea could be effective in the prevention of Alzheimer's disease, and may be used to develop various functional food products.
Journal of the Korean Society of Food Science and Nutrition
/
v.41
no.10
/
pp.1388-1394
/
2012
The physiological functionalities of 70% ethanol extracts (EE) from Cudrania tricuspidata fruit (ECFD, EE of C. tricuspidata subjected to freeze-drying; ECHD, EE of C. tricuspidata subjected to heat air drying; ECID, EE of C. tricuspidata subjected to infrared drying) were investigated. Yields of freeze-dried powders of ECFD, ECHD, and ECID were 51.50%, 53.91%, and 56.14%, respectively. Color $L^*$, $a^*$, $b^*$, and $H^{\circ}$ values of ECHD and ECID decreased. Dried ECHD and ECID had relatively higher contents of total polyphenolics and flavonoids than ECFD. Electron donating abilities at a concentration of 10 mg/mL (w/v) were in order of ECID (62.37%) >ECHD (80.17%)>ECFD (77.80%). Reducing powers ($OD_{700}$) of ECFD, ECHD, and ECID were 0.75, 1.70, and 1.89, respectively. Additionally, ABTS radical scavenging ability of ECID was the highest with a value of 62.37% at a concentration of 10 mg/mL (w/v). Nitrite scavenging activities of ECFD, ECHD, and ECID at a concentration of 10 mg/mL (w/v) were 28.76%, 30.69%, and 41.64%, respectively. SOD (superoxide dismutase)-like activities at 5 mg/mL (w/v) were in the order ECFD (891.93 mUnits)>ECHD (723.02 mUnits)>EFID (611.97 mUnits). Whereas ferrous ion chelating activity of ECFD (52.36%) and ECID (47.16%) was significantly higher than that of ECHD (30.04%). ACE inhibitory and xanthine oxidase (XO) inhibitory activities of ECHD and ECID at a concentration of 1 mg/mL (w/v) were higher than those of ECFD. In conclusion, we provided experimental evidence that extracts of pre-dried C. tricuspidata exhibit increased physiological functionalities. Further, infrared drying technique is the best method for enhancement of antioxidant activity of C. tricuspidata fruit.
Kim, Dong-hyun;Ahn, Hyun-jin;Chiang, Shuen-cheng;Lee, Beom-joon;Jung, Sung-ki;Jung, Hee-jae
The Journal of Internal Korean Medicine
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v.36
no.3
/
pp.236-251
/
2015
Objectives: To investigate the anti-inflammatory, analgesic, anti-pyretic and anti-histamine activities of 20 herbal medicines to test their efficacy in common cold treatment. Methods: For all experiments, the herbal medicines were extracted with 80% ethanol and freeze-dried. To determine the anti-oxidative properties, we tested DPPH-free radical-scavenging activity and xanthine oxidase inhibitory activity. To determine anti-inflammatory and analgesic potential, we investigated acetic acid-induced vascular permeability and writhing test in ICR mice. For anti-pyretic activities, an LPS-induced pyrexia study was conducted in rabbits. To evaluate the anti-histamine activity, we examined compound 48/80-induced systemic anaphylaxis in ICR mice and the release of β-hexosaminidase on rat basophilic leukemia (RBL-2H3) cells. Results: Ephedrae herba, Forsythiae fructus, Cinnamomi ramulus, and Cimicifugae rhizome showed potent free-radical scavenging activities. Gentianae macrophyllae radix inhibited acetic acid-induced vascular permeability. Schizonepetae spica and Cimicifugae rhizome inhibited acetic acid. Cinnamomi ramulus and Angelicae decursivae radix inhibited LPS-induced pyrexia. Angeliace dahuricae radix and Asari radix inhibited compound 48/80. Scutellariae radix, Cinnamomi ramulus, Ephedrae herba, and Zingiberis rhizoma crudus potently inhibited the release of β-hexosaminidase. Conclusions: We examined the anti-inflammatory, analgesic, anti-pyretic and anti-histamine activities of 20 herbal medicines;We examined the anti-inflammatory, analgesic, anti-pyretic and anti-histamine activities of 20 herbal medicines Codonopsis pilosulae radix, Zingiberis rhizoma crudus, and Cinnamomi ramulus showed novel efficacy. These results suggest that some of herbal medicines may be very effective in treating common cold.
Physiological functionality of browned oak mushroom was evaluated with focusing its electron-donating ability to DPPH radicals, scavenging ability to superoxide radicals and hydroxyl radicals, and inhibitory activity on lipid peroxidation. The results showed that overall antioxidative activities of browned oak mushroom were superior to those of raw oak mushroom with marketable quality, implying possible involvement of resultant browning reaction products in an increment of antioxidativity. The increased radical-scavenging ability was suggested to mainly be exerted by direct quenching of both superoxide and hydroxyl radicals, not by inhibition of xanthine oxidase activity and $Fe^{2+}$ chelation, respectively. Collectively, these results indicate a possible use of unmarketable browned mushroom as a material for manufacturing various processed functional foods.
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