The purpose of this study is to identify the effects of exercise training and oak tree wood vinegar ingestion on the blood lipids and antioxidant activities of rats. The subjects were 28 Sprague Dawley male rats, and they were assigned into four groups (n=7, respectively): the control group (CON), the exercise group (EXE), the vinegar ingestion group (VIN), and the vinegar ingestion and exercise training group (VINEXE). The diet was based on high fat and oral administration of oak tree wood vinegar. The rats that were not given oak tree wood vinegar were given the same amount of distilled water orally in order to maintain the same level of stress. They were exercise trained on motor-driven treadmills during a four-week session. Weight changes in the VINEXE were significantly inhibited in the later period of exercise, when compared to the CON (p<0.05). Fat increase was significantly suppressed in VIN and EXE (p<0.05), and a synergistic effect was discovered in the VINEXE (p<0.05). Glucose and ammonia levels were significantly reduced in the EXE, VIN, and VINEXE compared to the CON (p<0.05). In blood lipids, TC and LDL-C were significantly enhanced in the EXE, VIN, and VINEXE compared to the CON (p<0.05), while HDL-C was significantly improved in the EXE and VINEXE (p<0.05). Liver MDA contents showed significant changes in each group (p<0.05), and SOD activities were significantly enhanced in the VIN and the VINEXE when compared to other groups (p<0.05). Therefore, oak tree wood vinegar ingestion with exercise training for four weeks may result in inhibition of weight gain, improvement of blood lipids, and inhibition of lipid peroxidation, contributing to health promotion.
To compare pork quality from different pig species domesticated for Korean consumers, the meat quality characteristics of 5 different pure breeds of Landrace (L), Yorkshire (Y), Duroc (D), Berkshire (B), and Chester White (C) were determined from the 3 parts of loins, butts, and bellies. The fat content of loins was higher in breed D than in the other breeds, while that of butts and bellies was higher in breed B. The CIE color $a^*$ and $b^*$ values of the loins and butts from breed C were lower than those of the other breeds, but the color values of the belly part did not significantly differ by breed due to the high fat accumulation. The drip loss and cooking loss significantly differed depending on meat parts: breeds D and B were inferior in loins and butts but superior in bellies. The lipid oxidation of raw meat did not increase during the 7 d storage. The cooked butts of breed C had less thiobarbituric acid-reactive substances values than those of the other breeds at 7 d, and the cooked bellies of breeds D and B had less. Moreover, there were only minimal differences in fatty acid compositions by pork breed and part. From the view points of the physicochemical and organoleptic analysis of pork from different pig species, it is estimated that breed D had better meat quality in the loin part and breed B had better meat quality in the butt. The belly meat quality of breed C showed the least value. Although the meat quality of pig species differed depending on the parts and it was difficult to compare the meat quality of a part using the meat quality parameters of another part, the result of this study could provide basic information that can be used to improve the meat quality of different parts of pig species.
Kim, Chun dug;Ryu, Min Jung;Chun, Hyoung Sik;Choi, Geun Pyo;Hwang, Kwonteak
Food Science and Preservation
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v.24
no.7
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pp.992-999
/
2017
The purpose of this study was to investigate the effects of the Bambusae Caulis in liquamen (BCL) on blood circulation in animal models. Previous studies on BCL have shown effects on thrombolytic activity and angiotensin-converting enzyme (ACE) inhibitory activity. In the mouse model, the triglyceride content were 301.5 mg/dL in the high fat diet+BCL II 0.01% group, 289.2 mg/dL in the high fat diet+BCL II 0.05% group, which was significantly lower than the high fat diet group. The total cholesterol content was 311.9 mg/dL in high fat diet+BCL II 0.01% and 293.7 mg/dL in high fat diet+BCL II 0.01% 0.05%, respectively, which was significantly lower than the high fat diet group. The HDL-cholesterol level was 206.0 mg/dL for the high fat diet, 196.6 mg/dL for the high fat diet+BCL II, and 189.2 mg/dL for the high fat diet+BCL II. There was no significant difference between the 0.01% and 0.05% groups. The high-fat diet+0.05% group was significantly improved in the blood flow compare to the high fat diet and the high fat diet+0.01% group. Platelet aggregation inhibition ability was inhibited in the high fat diet+0.01% and 0.05% groups compared to the high fat diet group.
Ceramide, cholesterol and free fatty acids are the major intercellular lipids, maintaining the integrity of the skin barrier. However, the roles of these lipids in canine skin barrier function are little known. The aim of this study was to evaluate the repairing effects of 2% ceramide (CER), 2% cholesterol (CHO), 2% linoleic acid (LIN) and 2% intercellular lipid mixture (ILM) on damaged canine skin barrier by 1.25% sodium lauryl sulphate (SLS). Transepidermal water loss (TEWL), skin hydration, skin pH and skin thickness were assessed. Histological profiles and transmission electron microscopic (TEM) profiles were assessed on day 12. SLS effectively induced the canine skin barrier damage. TEWL was significantly decreased by topical application of CER and ILM in SLS and vehicle-treated skin on day 8 and 12, respectively (p < 0.05, p < 0.0 I). By end of the experiment all lipids significantly decreased the TEWL as compared with SLS and vehicle control, but CER and ILM more significantly decreased the TEWL than UN and CHO, respectively (p < 0.01). Skin hydration was significantly increased by CER and ILM during experimental periods (p < 0.01). Skin pH was significantly decreased by CER, LIN and ILM. In histological profiles, the thickness of the stratum corneum (SC) was significantly increased by the SC lipids as compared with vehicle and SLS (p < 0.01). Especially, CER and ILM showed more prominent improvement of barrier recovery. In TEM of the SC, SLS induced exfoliations of corneodesmosomes in the SC, and CER and ILM effectively protected exfoliations of corneodesmosomes on SLS-damaged canine skin. These results indicated that topical application of CER and ILM dramatically improved damaged-skin barrier function by SLS. Also, it was considered that the use of CER or ILM was recommended for the management of skin barrier dysfunction by irritant and inflammatory skin disorders such as atopic dermatitis.
To utilize the ascidian tunic as a natural pigment and dietary sources for rainbow trout (Oncorhynchus mykiss), juvenile were fed on experimental diets containing enzymatic hydrolysates of ascidian tunic treated with three commercial mined enzymes (ultrazyme, cellulase, viscozyme) for 12 weeks. From the results of feeding experiment, similar growth rate was checked in the enzymatic hydrolysis group compared with control, and those were a higher than of ascidian tunic powder group. The total acetone extractable pigment in muscle of the enzymatic hydrolysates group was lower than that of the ascidian extracts group and carophyll pink group until 8 weeks, but the level of those pigment of the enzymatic hydrolysates was similar to the ascidian extracts and carophyll pink group after 12 weeks. The lipid content was increased with the pigment concentration in the all experimental group. But the ascidian tunic pigment did not influence on the composition of the fatty acids in the muscle and liver. From the consideration of results for pigmentation, the enzymatic hydrolysates of ascidian tunic were suitable for both a natural pigment and dietary protein and carbohydrates sources as a substitute synthetic pigment for aquaculture use.
Journal of the Korean Society of Food Science and Nutrition
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v.36
no.8
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pp.1055-1061
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2007
Caesalpinia sappan L. is an indeciduous tree distributed in China, India, Miyanmar and Vietnam. Its heartwood has long been used in oriental folk medicines to treat diseases. In this study, antioxidative activities of Caesalpinia sappan L. and the effect of gamma irradiation on its chemical and biological properties were investigated. The ethyl acetate fraction (EtOAc fr.) of Caesalpinia sappan L. was irradiated with 100 kGy of gamma ray. The dark red color of EtOAc fr. was significantly (p<0.05) removed by irradiation (Hunter L and b values increased and a value decreased). The total phenolic content of EtOAc fr. was 865 mg/g and it was increased to 1195 mg/g by gamma irradiation. DPPH radical and superoxide anion radical scavenging activities and lipid peroxidation inhibitory activity of EtOAc fr. were very high and its activities were also increased by gamma irradiation. EtOAc fr. also inhibited the irradiation-induced DNA damage of lymphocyte as determined by comet assay. In conclusion, EtOAc fr. of Caesalpinia sappan L. extract showed high antioxidative activities in vitro. Furthermore, gamma irradiation on EtOAc fr. ameliorated the color and antioxidative properties. Therefore, it can be suggested that Caesalpinia sappan L. may be a good material for antioxidant function and gamma irradiation may be applied for the improvement of chemical and biological properties of Caesalpinia sappan L.
Journal of the Korean Society of Food Science and Nutrition
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v.38
no.11
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pp.1499-1505
/
2009
This study investigated the effect of improved liver function in rats administered with ethanol by kimchi lactic acid bacteria with high GABA producing capacity. Sprague-Dawley male rats were divided into four groups; normal diet control (NC), ethanol control (EC), ethanol+Lactobacillus sp. OPK2-59 normal powder (EL1), ethanol+Lactobacillus sp. OPK2-59 GABA powder (EL2) and fed for 6 weeks. Analysis showed that there were no significant differences in body weight and feed consumption among the groups during the experimental period. Also, there were no significant differences in organ weight among the groups. The test results showed total cholesterol and triglyceride in the blood concentration that were increased by ethanol administration were significantly lowered in EL2 group. Liver triglyceride was also significantly lowered in the EL2 group compared with the EC group. Serum GOT and GPT, and liver GOT levels were significantly lower in the EL2 group compared with the EC group. Serum ethanol concentration was lower in the EL1 and EL2 groups compared with the EC group. SOD activities in liver were significantly increased in the EL1 and EL2 groups compared with the EC group. These results suggest that Lactobacillus sp. OPK2-59 GABA powder improves lipid and enzyme profiles of rats administered with ethanol.
Purpose: The health risk of women increases after menopause. This study evaluated the effectiveness of a public health center-based nutrition education program for hypertension in women older than 50 years of age. Methods: The program included 8-week nutrition education and 8-week follow-up with keeping a health diary and nutrition counseling. The program was evaluated three times: before and after the nutrition education, and after the follow-up. The subjects were classified into hypertensives (n = 44) or normotensives (n = 71). Results: The rate of taking antihypertensive drugs in the hypertensive group was 86.4%. The systolic blood pressure decreased in the hypertensive and normotensive groups after nutrition education (p < 0.05). The body weight (p < 0.001), BMI (p < 0.001), waist circumference (p < 0.001), and percent body fat (p < 0.01) were also decreased after nutrition education in both groups. The hypertensive group showed an increase in HDL-cholesterol level (p < 0.001) and decreases in triglycerides (p < 0.01) and LDL-cholesterol (p < 0.05) levels after completion of the program. The normotensive group also displayed significant changes in HDL-cholesterol (p < 0.001) and triglycerides (p < 0.01). The dietary habits and nutrition knowledge on sodium and hypertension were improved in both groups (p < 0.001). The total score of dietary behavior related to the sodium intake was improved in the normotensive group (p < 0.001). The total score of the high sodium dish frequency questionnaire decreased in both groups after nutrition education and completion of the program compared to that before the program. Decreases in the consumption frequencies of noodles, pot stews and stews, Kimchi, and beverages were significant. The total self-efficacy score was increased in both groups by the program (p < 0.001). In particular, the hypertensive group showed improvement in all items. Conclusion: This public health center-based nutrition education program may contribute to the prevention and management of hypertension and chronic diseases in women over 50 years of age.
Purpose: Management of the metabolic risk factors in diabetes patients is essential for preventing or delaying diabetic complications. This study compared the levels of the metabolic risk factors in diabetes patients according to the income levels, and examined the secular trends in recent decades. Methods: The data from the Korea National Health and Nutrition Examination Survey 1998 ~ 2014 were used. The diabetes patients were divided into three groups based on their household income levels. General information was obtained through self-administered questionnaires, and the blood biomarkers and blood pressure data were obtained from a health examination. Multivariable linear regression models were used to compare the metabolic biomarker levels according to the household income levels, adjusting for potential confounding factors. Results: The fasting blood glucose, hemoglobin A1c, and blood lipid (total cholesterol, high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL) cholesterol, and triglyceride) levels were similar in the three groups. During the survey period of 16 years, the blood pressure showed a significant decreasing trend with time in all groups (p < 0.001). In contrast, the fasting blood glucose (p = 0.004), total cholesterol (p < 0.001), and LDL-cholesterol levels (p = 0.007) decreased significantly, and the HDL-cholesterol level (p < 0.001) increased significantly in the highest-income groups. In the lowest-income group, the fasting blood glucose (p = 0.02), total cholesterol (p < 0.001), and triglyceride (p = 0.003) levels showed a significant decreasing trend over time. On the other hand, the middle-income group showed no significant change in any of the metabolic risk factors except for blood pressure. Conclusion: The level of management of metabolic risk factors according to the income level of Korean diabetes patients was similar. On the other hand, the highest- and lowest-income groups showed positive trends of management of these factors during 16 years of observation, whereas the middle-income group did not show any improvement.
Journal of the Korean Applied Science and Technology
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v.36
no.2
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pp.371-382
/
2019
The aim of this study was to evaluate the physiological responses following acute and chronic Nurida-ball exercise to measure the relative exercise intensity and health-related fitness in middle-aged men. In study 1, eight middle-aged men carried out acute Nurida-ball exercise for 30 min. The physiological responses were normalized and compared with a graded treadmill exercise test (GXT) to evaluate the relative exercise intensity. In study 2, twelve middle-aged men were divided into two groups: Nurida-ball exercise group (NB, n=6) and control group (CON, n=6). NB group performed the Nurida-ball exercise for 8 weeks (30min/day, 3 days/week). And then, we measured the body composition, cardiovascular factors, blood lipid factors, and muscle damage markers to confirm the exercise efficiency. In study 1, the related exercise intensity of acute Nurida-ball is the range of GXT-HRpeak (55~85%) and $GXT-VO_2peak$(23~61%). The change in body fat-related factors was significantly lower in the NB compared to the CON group. Moreover, TC and LDL were decreased whereas BMC was increased in the NB group after Nurida-ball exercise. The change in VEpeak and performance time of GXT were significantly greater in the NB compared to the CON group. The performance time of GXT was increased in the NB group after Nurida-ball exercise. Our results indicated that Nurida-ball exercise would be effective equipment for the improvement of health-related fitness. Especially, Nurida-ball exercise can affect body composition and cardiovascular function, which might alleviate metabolic syndrome-related diseases in middle-aged men.
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