Kim, Jun-Han;Kim, Jong-Kuk;Kang, Woo-Won;Ha, Young-Sun;Choi, Sang-Won;Moon, Kwang-Deog
Journal of the Korean Society of Food Science and Nutrition
/
v.32
no.5
/
pp.733-738
/
2003
Chemical compositions and DPPH radical scavenger activity in different sections of safflower (Carthamus tinctorious L.) were investigated. Protein contained 28.39% in sprout and fat contained 20.47% in seed, respectively. Linoleic acid as predominant unsaturated fatty acid of safflower contained 80.01% in sprout and 78.27% in seed. Glucose contained 1253.6mg% in sprout and fructose contained 970.7mg% in sprout. Sucrose contained 912.0mg% in flower bud. Succinic acid was included 2795.3 mg% in flower, malic acid was included 2054.8mg% in leaf. K as minerals contained 2826.8mg% in leaf and 2613,6 mg% in sprout, Ca contained 1999.8mg% in leaf and 1160.9mg% in sprout. Total phenolics contained 5.8%, 4.7%, 4.4% in flower, sprout and leaf, and total flavonoid contained 6.5%, 2.5%, 2.0% in flower, sprout and leaf, respectively Serotonin-I (Ν- [2- (5-hydroxy - l Η- indol -3- yl)ethyl] ferulamide) as serotonin compounds was determined 147.7mg% in seed, serotonin - II (Ν-[2-(5-hydroxy-lΗ-indo-1-3yl )ethyl]-p-coumaramide) was determined 155.4 mg% in seed. Acacetin as flavonoid compounds was contained 116.5mg% in seed. Luteolin as flavonoid compounds was identified 388.3mg% in sprout, luteolin 7-glucoside was determined 692.3mg% in leaf, respectively. DPPH radical scavenger activity was measured by DPPH method, it was shown higher 114.2% in ethanol extract of flower and 113.6% in ethanol extract of leaf than 88.05% of 100 ppm BHA as chemical antioxidant.
Antioxidative function of uncooked powdered food (Sangsik) was evaluated in rats consuming nutritionally unbalanced diet including 1% cholesterol, high proportion of animal lipids (lard : soybean oil : 8 . 2) , sub-optimal levels of vitamin and mineral mixture along with 0.5% ethanol in drinking water. The uncooked powdered food tested in the present study was a mixture composed of 42 kinds of plant foods (cereals, legumes, seaweeds, vegetables, and fruits) supplemented with vitamins and minerals, and dietary fiber. Control rats were fed the semi-purified diet based on the AIN-93G composition, and nutritionally unbalanced rats were divided into 3 groups, and fed one of the following diets with 0.5% ethanol in drinking water for 5 weeks : unbalanced control diet (UC) ,20% Sangsik powder supplemented diet (S20), and 40% Sangsik powder supplemented diet (S40) . Food efficiency ratio was significantly higher in rats fed S40 compared to the value for rats fed UC (p < 0.05). Hepatic level of thiobarbituric acid reactive substances (TBARS) was significantly lower in rats fed UC compared to that for control rats (p < 0.05) , and was not influenced by dietary supplementation of the Sangsik powder. Hepatic superoxide dismutase (SOD) activity was significantly higher in rats fed UC compared to that for control rats (p < 0.05) , and significantly reduced in rats fed S20 or S40 compared to the value for unbalanced control rats. Feeding unbalanced control diet significantly reduced the ratio of hepatic GSH-Px + catalase/SOD activities compared to the value for control rats, and this decrease in the ratio of antioxidant enzyme activities was reversed by adding the Sangsik powder to the diet at 20% (p <0.05) . Based on the results of antioxidant enzyme activities, feeding uncooked powdered diet appears to provide a favorable environment for body's antioxidative defense mechanism. Serum levels of Fe and Cu were significantly lower in rats fed the Sangsik powder supplemented diets compared to the value for unbalanced control rats (p < 0.05) , and levels of Se, Mn, and Zn were also tended to be decreased by dietary supplementation of the Sangsik powder. These results postulate the possibility that ingredients used in the uncooked powdered food may decrease the bioavailability of trace elements in rats.
This study aimed to investigate the anti-inflammatory effect of the ethanol extract from Chondrus ocellatus Holmes (COHEE) in RAW 264.7 cells and in a mouse ear edema model, by measuring the production of lipopolysaccharide-induced inflammatory response mediators. There were no cytotoxic effects on the proliferation of macrophages treated with COHEE compared with the control. COHEE inhibited the production of nitric oxide and pro-inflammatory cytokines [interleukin (IL)-6, tumor necrosis factor-α, and IL-1β]. The extract also reduced the expression of inducible nitric oxide synthase, cyclooxygenase-2, nuclear factor-κB p65, and phosphorylated mitogen-activated protein kinase in a dose-dependent manner. In the croton-oil-induced ear edema model, COHEE decreased the formation of mouse ear edema at the highest dose compared with the control, and histological analysis revealed that the epidermal/dermal tissue thickness and mast cell numbers were reduced. Therefore, these results suggest that COHEE may be a promising topical anti-inflammatory therapeutic material through its action of modulating NF-κB and the MAPK signaling pathway.
Park, Joo-Won;Kang, Dong-Hwan;Lee, Bong-Han;Yoo, Kyung-Seun;Lee, Jae-Gu;Kim, Jae-Ho;Han, Choon
Journal of Korean Society of Environmental Engineers
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v.27
no.12
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pp.1347-1352
/
2005
[ $H_2S$ ] removal reaction using $Li_2ZrO_3/honeycomb$ has been carried out in a fixed bed reactor for the cleaning of syngas from the waste gasifier. $Li_2ZrO_3$ was synthesised using reagent-grade $Li_3CO_3$ and $ZrO_2$ with suitable amount of ethanol in a 1:1 ratio. And then $Li_2ZrO_3$ were calcined in air at $850{\sim}1000^{\circ}C$ for 14 h. The optimum condition of $H_2S$ removal reaction is around 20 wt% $Li_2ZrO_3$/honeycomb at 300 mL/min and $700^{\circ}C$. At this condition, removal amount of $H_2S$ was about 0.337 $g^{H_2S}/g^{sorbent}$. Addition of $K_2CO_3$, $Na_2CO_3$, NaCl and LiCl in the $Li_2ZrO_3$ remarkably improves the $H_2S$ removal capacity of modified $Li_2ZrO_3$/honeycomb up to 23%. Analyses of $Li_2ZrO_3/honeycomb$ sorbent by SEM and XRD showed that $Li_2ZrO_3$ was uniformly impregnated into honeycomb up to considerable amounts. Furthermore, the physicochemical properties of the sorbent did not vary much up to $1000^{\circ}C$.
Anticarcinogenicity of 12 kinds of colored rice cultivars was investigated in vitro with Ilpumbyeo as a control. Pigment and hexane fractions were prepared from the rice brans through extraction with 80% ethanol containing 0.5% TFA or n-hexane to use subsequent evaluation of their anticarcinogenic effect by determining inhibitory activity against DNA strand scission and tumor promotion, as well as antimutagenic activity using SOS chromotest system. Antimutagenic activity of the pigment fractions was revealed to decrease in order of LK1B4-12-1-1 > Sanghaehanghyulla > HP833-1-3-1-1 > Chokoto14 > Jagwangdo > Jajin > Kilmheugmi > Tiwan-Tsi-C > Heugjinmi > Linsia-Shoea-Dau > Suweon425 > Suweon415. The activity of the hexane fractions decreased in order of LK1B4-12-1-1 > Sanghaehyanghyulla>Ilpunibyeo > HP833-1-3-1-1 > Chokoto14 > Jagwangdo > Jajin > Linsia-Shoea-Dau >Tiwan-Tsi-C > Heugjinmi > Suweon425, Kilimheugmi > Suweon415. Results showed that inhibitory activity against DNA strand scission in the pigment fractions decreased in order of HP833-1-3-1-1 > Tiwan-Tsi-C > Jajin > Chokoto14 > Suweon425 > Heugjinmi > LK1B4-12-1-1 > Suweon415 > Jagwangdo > Kilimheugmi > Linsia-Shoea-Dau > Sanghaehyanghyulla. On the other hand, the activity of the hexane fractions decreased in order of LK1B4-12-1-1 > Suweon 415 > Kilimheugmi > Chokoto14 > Heugjinmi > Jajin > Suweon425 > Tiwan-Tsi-C > Sanghaehyanghyulla a Linsia-Shoea-Dau > Jagwangdo > HP833-1-3-1-1 > Ilpumbyeo. Experiment using the short-term assay for promotor substance showed that inhibitory activity contained in the pigment fractions against rumor promotor TPA decreased in order of Linsia-Shoea-Dau > Kilimheugmi > HP833-1-3-1-1, Suweon425 > Heugjinmi > Jajin > Chokoto14 > Sanghaehyanghylla > Suweon 415 > LK1B4-12-1-1 > Tiwan-Tsi-C > Jagwangdo.
The present study was performed to investigate antioxidant, anticancer, and antimicrobial activities of four Korean sweet potato variaties and to identify the changes in these biological activities under different cooking conditions. Total polyphenol content was 3.8-73.6 mg/g in 80% ethanol extracts of sweet potatoes. The polyphenol content was highest Sinjami variety (p < 0.05). Radical scavenging activity against DPPH and $ABTS^{{\cdot}+}$ was high in Sinjami (p < 0.05) and the ethanol extract from Sinjami also showed effective superoxide dismutase (SOD)-like activity, which decreased significantly by steaming and roasting (p < 0.05). Ethanol extracts from the four sweet potato variaties did not inhibit cancer cell growth in MCF-7 or HepG2 cells at concentrations of 1, 10, and $100\;{\mu}g$/mL. Of the investigated sweet potato variaties, only Sinjami exhibited strong antimicrobial activity against Escherichia coli, Staphylococcus aureus, and Salmonella typhimurium. The antimicrobial activity of Sinjami against E. coli, St. aureus, and S. typhimurium decreased following steaming and roasting (p < 0.05). These results indicate that the Sinjami Korean sweet potato had higher polyphenol content, radical scavenging activity, SOD-like activity, and antimicrobial activity than those of the other variaties and consuming raw Sinjami might be beneficial for maintenance of biological activities.
Journal of the Korean Society of Food Science and Nutrition
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v.33
no.4
/
pp.659-667
/
2004
Plantain has been used for antidiarrhea, antihemorrhage and the remedy of indigestion. Plantain was extracted with ethanol and fractionated systemically with n-hexane, chloroform, ethylacetate (EtOAC) and n-butanol. Antioxidant index (AI was expressed as induction period of oil containing various fractions/induction period of oil of 600 ppm) of EtOAC fraction was the highest among fractions in vitro. The protective effects of the EtOAC fraction of plantain (PE) administered 1 mL orally or intraduodenally on experimentally induced gastritis, gastric ulcer and gastric secretion were evaluated in rats. Sprague-Dawley rats weighing 250∼300 g were divided into 4 groups; negative control group (CON), PE 200 mg/kg treated group (PEL), PE 400 mg/kg treated group (PEH) and positive control group (cimetidine 100 mg/kg-CMT or omeprazol 100 mg/kg treated group-OMT), respectively, PE significantly suppressed HCl-ethanol induced gastric lesions and indomethacin-induced gastric ulcers (administered subcutaneouly) in rats. Specially PE 400 mg/kg showed significantly inhibitory effect, which was more potent than that of 100 mg/kg of commercial drug, cimetidine, and elevated an inhibitory effect to be close to the level in inhibitory ratio of omeprazol administered group in Shay's ucler. On gastric secretion in pylorus ligated rat, PE 200 mg/kg and 400 mg/kg decreased the gastric volume and acid output, but did not show an apparent effect on pepsin activity. In addition, PE 400 mg/kg depressed gastric ulcers induced by water immersion stress and duodenal ulcers induced by cysteamine administered subcutaneouly. These results suggest that the ethylacetate fraction of plantain can be used in prevention and treatment of experimentally induced gastric mucosal damage and ulcers.
Journal of the Korean Society of Food Science and Nutrition
/
v.37
no.9
/
pp.1174-1181
/
2008
Garlics were aged at 60, 70, 80, and $90^{\circ}C$ for 1, 3 and 6 days. Samples were analyzed for physico-chemical components and antioxidant activities, such as DPPH scavenging activity and reducing power of hot water and ethanol extracts. The Hunter L, a and b values were significantly lower in sample aged at higher temperature and for longer time. In initiation of aging, the share force was the lowest in sample aged at $90^{\circ}C(85.70{\pm}1.44\;kg/cm^2)$ and it increased for 6 days to $411.30{\pm}13.90\;kg/cm^2$ in aging. The pH of garlic was acidified at increasing aged temperature and periods. In sample aged for 6 days at $60^{\circ}C$ and $90^{\circ}C$, pH was 6.12 and 3.90, respectively. Contents of total phenolics and flavonoids also increased in sample aged at higher temperature and for longer time. Their contents increased about 3.5 and 9.1 times higher in sample aged for 6 days at $90^{\circ}C$ than sample aged for 6 days at $60^{\circ}C$, respectively. Total pyruvate contents were fluctuated by aging temperature and periods. DPPH scavenging activity was increased in sample aged at higher temperature and longer time. The highest activity of DPPH scavenging showed $87.48{\pm}0.20%$ in sample aged for 6 days at $90^{\circ}C$. Similar results were observed in reducing power activity. It was estimated that such increases in anti-oxidant activities in aged garlics may come from actions of phenolics, flavonoids and browning compounds in them.
Seo, Cho-Rong;Byun, Jong Seon;An, Jae Jin;Lee, JaeHwan;Hong, Joung-Woo;Jang, Sang Ho;Park, Kye Won
Journal of the Korean Society of Food Science and Nutrition
/
v.42
no.7
/
pp.1015-1021
/
2013
Glycyrrhiza inflata Batal, an important species of licorice, is one of the most widely used medicinal plants for over 4000 years. Glycyrrhiza plant species has been well known for its various therapeutic activities such as anti-inflammatory, anti-allergic, and anti-ulcer. The purpose of this study was to determine the effects of Glycyrrhiza inflata Batal ethanol extracts (GBE) on adipocyte and osteoblast differentiation. Mesenchymal C3H10T1/2 cells were treated with sub-cytotoxic doses of GBE, and its effects on adipocyte differentiation were assessed. We found that GBE dose-dependently increased lipid accumulation and also induced the expression of adipocyte markers, such as $PPAR{\gamma}$ and its target genes, aP2, and adiponectin, in C3H10T1/2 cells. Consistently, similar effects of GBE on lipid accumulation were also observed in preadipocyte 3T3-L1 cells that further supports the pro-adipogenic activities of GBE. We also investigated the effects of GBE on osteoblast differentiation of mesenchymal C3H10T1/2 cells. As a results, we found that GBE increased the activity of alkaline phosphatase in a dose-dependent manner and also promoted the expression of osteoblast markers, such as ALP and RUNX2, during osteoblast differentiation of C3H10T1/2 cells. Similar pro-osteogenic effects of GBE were also observed in preosteoblast MC3T3-E1 cells. Finally, our data show that a major bioactive compound found in Glycyrrhiza inflata Batal, licochalcone A (LA) but not glycyrrhizic acid (GA), can mediate the pro-adipogenic and pro-osteogenic effects of GBE. Taken together, this study provides data to show the possibility of GBE and its bioactive component LA as putative strategies for type 2 diabetes and bone diseases.
Lee, Yu Sung;Kim, Hong Jae;Jeong, Jin-Woo;Han, Min-Ho;Hong, Su Hyun;Choi, Yung Hyun;Park, Cheol
Journal of Life Science
/
v.28
no.4
/
pp.435-443
/
2018
AMP-activated protein kinase (AMPK) functions as a metabolic master through regulating and restoring cellular energy balance. In skeletal muscle, AMPK increases myofibril protein degradation through the expression of muscle-specific ubiquitin ligases. Mori Folium, the leaf of Morus alba, is a traditional medicinal herb with various pharmacological functions; however, the effects associated with muscle atrophy have not been fully identified. In this study, we confirmed the effects of AMPK activation by examining the effects of 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR), an activator of AMPK, on the induction of atrophy and expression of atrophy-related genes in C2C12 myotubes. We also investigated the effects of the ethanol extract of Mori Folium (EEMF) on the recovery of AICAR-induced muscle atrophy in C2C12 myotubes. It was found that exposure to AICAR resulted in the stimulation of Forkhead box O3a (FOXO3a); an up-regulation of muscle-specific ubiquitin ligases such as Muscle Atrophy F-box (MAFbx)/atrogin-1 and muscle RING finger-1 (MuRF1), and a down-regulation of muscle-specific transcription factors, such as MyoD and myogenin; with the activation of AMPK. In addition, AICAR without cytotoxicity indicated a decrease in diameter of C2C12 myotubes. However, treatment with EEMF significantly suppressed AICAR-induced muscle atrophy of C2C12 myotubes in a dose-dependent manner as confirmed by a decrease in myotube diameter, which is associated with a reversed stimulation of FOXO3a by the inhibition of AMPK activation. These results indicate that the activation of AMPK by AICAR induces muscle atrophy, and EEMF has preeminent effects on the inhibition of AICAR-induced muscle atrophy through the AMPK signaling pathway.
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