BackgroundTo explore how self-disclosure leads to post-traumatic growth (PTG) in adults who have experienced traumatic events, this study identified the relationship between self-disclosure and post-traumatic growth in Korean adults. We examined a parallel multiple mediating model for this relationship.MethodsParticipants were 318 Korean male and female adult participants aged 20 years or older who had experienced trauma. We measured deliberate rumination, positive social responses, and the meaning of life as mediating variables.ResultsThe results revealed that the study variables positively correlated with PTG. Self-disclosure was positively correlated with deliberate rumination, positive social responses, and meaning of life. In the multiple mediating model, deliberate rumination, positive social responses, and meaning of life mediated the relationship between self-disclosure and PTG.ConclusionSelf-disclosure, deliberate rumination, positive social responses, and meaning of life play an important role in the growth of adults who have experienced traumatic events. The findings of this study should provide valuable information for future research and for mental health professionals who want to promote the PTG of their clients.
This study was conducted to compare biological activity of browning compounds from fresh, red and black garlic. Water soluble browning compounds were separated from fresh, red and black garlic by dialysis membrane. Antioxidation and other biological activities of freeze dried inner and outer parts from garlics were compared. pH of fresh and red garlic dialysis solutions were higher in inner part of membrane, but black garlic dialysis solution showed reverse tendency. Browning intensities of all tested samples were higher in outer part of dialysis solutions. In inner part dialysis solutions, contents of total phenol compounds were the lowest in red garlic while their contents were the highest in black garlic and thereafter, were the highest in inner part of dialysis solution made from red garlic. Flavonoids content was the highest in inner part of red garlic dialysis solution. Total pyruvate content was higher in outer part of fresh and red garlic dialysis solution which showed the opposite results in black garlic. Total thiosulfate content was the highest in black garlic, red garlic and fresh garlic in order. Antioxidant activities have some similarities among garlic products. DPPH radical scavenging activity was higher in inner part of fresh and black garlic and outer part of red garlic. Tyrosinase inhibition activity was higher in browning compounds of red garlic than fresh and black garlic. α-glucosidase inhibition activity of tested samples were higher in inner part of dialysis solution than outer part, and showed higher activity in red garlic than fresh garlic at low sample concentrations.Key words: red garlic, black garlic, browning compounds, dialysis, antioxidant activity † Corresponding author. E-mail: snakju@gnu.ac.kr †
This study tested the anti-obesity and hypolipidemic effects of red garlic extract in obese rats induced by a high fat diet over a period of 4 weeks. Red garlic extract of 15 brix was added in 1, 3, 5 and 7% ratios in diets. The obesity index and body fat content significantly decreased in rats fed a diet with over 3% red garlic extract compared to the control group. There was no significant difference in weight of visceral and epididymal fat in rats fed red garlic extract. Total lipid and triglyceride levels in serum were significantly decreased in a dose-dependent manner, and AI and CRF also fell. ALT and AST activities in groups fed red garlic extract were decreased compared to the control group. Total lipid level in liver tissue of the groups fed 5-7% red garlic extract exhibited a significant decrease compared to the control group. Total cholesterol and triglyceride levels in feces were significantly increased in rats fed a diet with over 5% red garlic extract. Lipid peroxide levels were significantly decreased in the groups fed diets with 5-7% red garlic and antioxidant activity in serum was significantly increased in the group fed a diet with 7% red garlic extract compared to the control group. Our results suggest that red garlic extract could have anti-obesity and hypolipidemic effects for suppressing obesity index and decreasing lipid profiles. IntroductionAs the choice for a high-calorie and high-fat diet increases due to the economic stability and affluence, so does the occurrence of metabolic disease caused by over-weight [27]. Obesity is the condition under which surplus energy is accumulated as lipids, which is attributable to the increase of energy intake and the decrease of consumption. From the balance is lost, obesity or hyperlipidemia develops, leading to a serious disease. In Korea, the social and economic cost incurred by the increase of obese population rises annually. Given that 40% of people who die by circulating system disease including atherosclerosis, cerebro-, cardio-vascular complications, hypertention, diabetes and functional depression of certain organs are obese, it is necessary to take a fundamental measure to improve the situation [47].Although the drug therapy proved to be effective as a behavior correction therapy used for the control of lipid metabolism in obese, it accompanies side-effects such as headaches, insomnia, and vomiting [29]. Thus, there is a growing attention on the way to improve obesity using phyto-nutrient that does not cause side-effects, among which garlic is known to effective for the control of lipid metabolism and obesity [1,16,24,31,51]. A major bioactive substances of garlic (Allium sativum L.) are an organic sulfur compounds containing allicin [11,18,22], which has the cardioprotective function among others [25]. Reportedly in Korea, the bioactive effect is elevated through the heat-treatment which turns fresh garlic into aged black garlic [22,46] supplemented with 5% red garlic extract, RG-7: supplemented with 7% red garlic extract. production of t...
Fruits are generally recommended for a balanced meal, as they are good sources of vitamins, minerals, and fiber, which may improve blood glucose control. However, fruits have simple sugars with a wide glycemic index (GI) range. The purpose of this study was to analyze the sugar content and composition and to determine the glycemic indices of the most frequently consumed fruits in Korea, including apple, tangerine, pear, water melon, persimmon, grape, oriental melon, and peach. The sugar content and composition of the fruits were analyzed by high performance anion-exchange chromatography (Dinonex model DX-600). The GI of the fruits was measured in 13 healthy subjects (seven females and six males) after permission was received from the University Hospital institutional review board (KHU-IRB 1114-06). The subjects consumed 50 g of glucose as a reference and carbohydrate portions of eight fruits. Blood samples were collected at 0, 30, 60, 90, and 120 min after consuming the fruits. The GI values for the fruits were calculated by expressing the increase in the area under the blood glucose response curve for each subject. As a result, the total sugar contents of 100 g fruits were: grape (13.9 g), apple (12.3 g), persimmon (11.9 g), oriental melon (11.2 g), watermelon (9.3 g), tangerine (8.9 g), peach (8.6 g), and pear (8.3 g). The GI values of the fruits were as follows: GI value of peach (56.5
The nutritional properties and biological activities of leaves and stems of Gaeddongssuk (Artemisia annua L.) were investigated. Contents of moisture, crude lipid and crude protein were significantly higher in the leaves, and then ash, crude fiber and mineral were significantly higher in the stems. Contents of total phenols and flavonoids of leaves were about 2 fold higher than those of stems. Antioxidant activity was significantly increased in a dose-dependent manner; also, water and ethanol extracts of leaves were stronger than those of stems. Especially, DPPH radical scavenging activity, reducing power and tyrosinase inhibition activity were significantly higher in leaves extracts than stems extracts of Gaeddongssuk. But, α-glucosidase inhibition activity was higher in stem than its leaves extract. In MTT assay by human breast adenocarcinoma cell line MCF-7 and MDA-MB-231, ethanol extracts of leaves showed the highest anticancer activity; the rates of growth inhibition were 76.26% and 52.59% on MCF-7 and MDA-MB-231 cells, at the concentration of 250 μg/mL, respectively. In conclusion, biological activities of extracts from Gaeddongssuk were dependent on the fiber, phenolic and flavonoid content.
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