Kim, Jeong-Yeon;Choi, Kwang-Jin;Kang, Chin-Yang;Choi, Won-Cheon;Choi, Il-Sook;Shin, Kyung-Ok
The Korean Journal of Food And Nutrition
/
v.33
no.2
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pp.194-203
/
2020
The purpose of this study was to develop a functional senior mixed soymilk for seniors and to provide functional senior-mixed soymilk to prevent disease outbreaks. The isoflavone content of senior soymilk was 0.15±0.01 mg/g. The β-glucan content of senior soymilk was 9.82±0.01 mg/g. The weight gain of mice were significantly higher in the high-fat diet group than in the other groups. The serum triglyceride content was high at 102.67±40.61 mg/dL in the high-fat diet group, but significantly lower at 83.00±42.43 mg/dL in the 20% senior soymilk group. Thus, the results of this study comprehensively suggest that food intake should be ingested for each life cycle with reference to the dietary reference intakes for Koreans. In particular, the elderly in their 50s and older are deficient in protein and weakened immune capacity, so it is imperative that they maintain their health through various foods such as soymilk, which is evenly nutritious.
With the aim of investigating the differences in the quality traits of breast meat between spent hen and broiler chicken, the physicochemical characteristics, fatty acid profile and sensory attributes of breast meat from the two chicken types were assessed. A higher protein content and a lower moisture content were found in breast of spent hen compared to that of commercial broilers (P<0.05). No significant differences in crude fat and ash contents were detected between commercial broilers and the older spent hens (P>0.05). Spent hens showed a significantly lower pH value than did commercial broilers. Spent hen meat had a higher $L^*$ value than broiler chicken meat did (P<0.05). However, $a^*$ and $b^*$ values of breast meat were similar between spent hens and commercial broilers. Water holding capacity values measured in the breast meat were comparable between the two types of chicken used in this study (P>0.05). However, spent hen meat showed a higher cooking loss value than did broiler meat (P<0.05). Total polyunsaturated fatty acid content was significantly higher in spent hen meat compared to broiler meat, in particular eicosapentaenoic acid and docosahexaenoic acid. Nevertheless, sensory characteristics of breast meat were comparable between spent hen and broiler chicken. This information can help consumers to understand better the nutritive value and important quality traits of breast meat from commercial broilers and spent hens.
This study was conducted in order to identify the relationship between psychological factors, such as depression and self-esteem, and nutritional status, such as nutritional risk index and nutrient intake, among the elderly in Chunnam Province. The participants were 119 elderly individuals over the age of 65 years who visited the Senior Welfare Center in Chunnam province between January 29 and February 2, 2007. This study was conducted using a structured questionnaire that included, the Center for Epidemiologic Studies Depression Scale (CES-D), General Self Efficacy Scale (GSES), Nutritional Screening Initiative Checklist (NSI checklist), questions pertaining to the general characteristics of the participants and an estimation of nutrient intake using the 24-hour recall method. Data were analyzed by the SPSS program. Analysis of the participant's CES-D scores revealed that 43.7% of the subjects were normal and 56.3% had more than mild depression. The mean GSES score was 45.9 for the entire group of subjects (51.9 for men, 43.6 for women). The mean nutritional risk index value was 4.30 (5.03 for men, 4.01 for women). Analysis of the participant's scores on the NSI checklist revealed that 69.7% of the subjects were normal and 30.3% exhibited a moderate nutritional risk. The CES-D was positively correlated with the NSI checklist (p < 0.05) but negatively correlated with nutrient intake. However, the GSES was negatively correlated with the NSI checklist (p < 0.05), but positively correlated with nutrient intake (P < 0.01 for protein, calcium, phosphorus, zinc etc.). The results of this study indicate that it is necessary to manage psychological factors, including depression and self-esteem, in the elderly in order to decrease their nutritional risk and increase their nutrient intake.
The Journal of the Korean bone and joint tumor society
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v.14
no.2
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pp.106-118
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2008
Purpose: Disturbed cell cycle regulatory proteins are key events underlying the development and/or progression of human malignancies. The aim of this study is to evaluate the protein expression status involved in G1/S cell cycle in human soft tissue sarcoma. Materials and Methods: We simultaneously evaluated the expression of Cyclin D1, Cyclin E, CDK4, CDK2, p16, p27, Rb, E2F1, p53 and Ki-67 by immunohistochemistry in 43 cases of soft tissue sarcoma Results: The Cyclin D1, Cyclin E, CDK4, CDK2, E2F1, and p53 were expressed in 25 (58.1%), 18 (41.9%), 13 (30.2%), 33 (76.7%), 20 (46.5%), and 18 cases (41.9%). The p16, p27, and Rb expressions were decreased in 26 (60.5%), 22 (51.2%) and 19 cases (44.2%). All of the cases showed alterations of more than one out of the above proteins. The increased Cyclin E expression and Ki-67 labeling index (LI) were significantly associated with histologic grade. The Cyclin E and E2F-1 expressions were increased in relapsed cases and the CDK4 expression was increased in cases of metastasis. Conclusion: Alterations of G1/S cell cycle regulatory proteins may play an important role in the tumoriogensis of soft tissue sarcomas. Our results suggest that increased expressions of Cyclin E, E2F1, and CDK4 were associated with tumor relapse or metastasis and could be considered as parameters of prognosis of soft tissue sarcoma.
Kim, Hee-Taek;Kim, Tae-Jun;Kim, Ee-Hwa;Kwak, Byeong-Mun
The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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v.33
no.4
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pp.32-43
/
2020
Objectives : The aim of this study was to investigate the anti-oxidant and anti-aging effect of the seed of Camellia japonica L. extracted by supercritical CO2. Methods : The cell viability was performed by MTT assay. Nitric oxide (NO) production was performed by NO assay. The anti-oxidant effect was performed by beta-carotene bleaching assay and the intracellular proteome was analyzed expression of each 15 proteins by 2-D electrophoresis. Results : Fatty acid analysis of extract from Camellia japonica L. has shown oleic acid was 84%. And the antioxidant effect was about 186% compared with alpha-tocoperol(0.1%) by beta carotene bleaching assay. In 2D PAGE analysis, fifteen protein changes in five mechanisms which was collagen synthesis pathway, MMPs, ECM-cell interaction, cytokine, antioxidant enzymes were analyzed. Conclusions : On this study extract from seed of Camellia japonica L. by supercritical extraction could be used as a antioxidant and antiaging substance for the skin.
Eight varieties of soybeans grown in Korea were investigated to compare chemical composition, protein dispersibility index (PDI) and some properties of soybean sprouts and tofu. The range of protein contents was $37.80{\sim}40.43%$ where the Kyungdong 3 was the highest and Suwon 157 was the lowest, while the Bokwang was the lowest in lipid contents. The range of PDI was $71.6{\sim}95.3%$ where the Kyungdong 3 was the highest and Suwon 162 was the lowest. The Kyungdong 3, Suwon 160 and Suwon 162 were significantly fast in growth rate of soybean sprout roots and the 100% of germination. The Kyungdong 3 was the highest in tofu yield and Suwon 146 was the highest in hardness. The organoleptic properties of tofu showed that $L{\times}2.3$ and Suwon 162 was relatively high in cooked beany odor, while the Suwon 146 were the highest in elasticity and hardness. Even though Kyungdong 3 was found as the best for tofu and soybean sprouts processing, the black color of seed coat affected negatively on tofu color.
A strain producing ${\alpha}$-galactosidase and ${\beta}$-glucosidase was isolated from Kimchi. The isolated strain was identified as Weissella cibaria by 16S rDNA analysis and designated as Weissella cibaria K-M1-4. The enzyme activity of ${\alpha}$-galactosidase and ${\beta}$-glucosidase reached the maximum in the soy medium at $37^{\circ}C$ for 24 hr. The enzymes were purified by ethanol fractionation, DEAE sepharose fast flow, and sephacryl S-100HR column chromatography. ${\alpha}$-Galactosidase specific activity was shown by 576 Units/mg protein and the yield was 3.5% of the total activity of crude extracts. ${\beta}$-glucosidase specific activity was shown by 480 Units/mg protein and the yield was 2.9% of the total activity of crude extracts. The optimum temperature for ${\alpha}$-galactosidase was $60^{\circ}C$ and 43% of its original activity remained when it was treated at $80^{\circ}C$ for 30 min. For ${\alpha}$-galactosidase shows the optimum pH of 8.0 and is fairly stable between pH5.0 and pH9.0. The enzyme activity was increased in the presence of $Fe^{2+}$ and $Cu^{2+}$. The value of Km and Vmax for the enzyme were 0.98 mM and $1.81{\mu}$mole/min, respectively. The ${\beta}$-glucosidase has the optimum temperature of $50^{\circ}C$ and 46% of its original activity remained when it was treated at $80^{\circ}C$ for 30min. Its optimum pH of 7.0 and is fairly stable between pH5.0 and pH9.0. The enzyme activity was increased in the presence of $Fe^{2+},\;Co^{2+}$ and $Cu^{2+}$. The value of Km and Vmax for the enzyme were 1.24 mM and $6.81{\mu}$mole/min, respectively.
Wang, Kun;Nan, Xuemei;Zhao, Puyi;Liu, Wei;Drackley, James K.;Liu, Shijie;Zhang, Kaizhan;Bu, Dengpan
Asian-Australasian Journal of Animal Sciences
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v.31
no.5
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pp.677-685
/
2018
Objective: The objective of the present study was to determine ammonium chloride tolerance of lactating dairy cows, by examining effects of negative dietary cation anion difference (DCAD) induced by ruminal ammonium chloride infusion on performance, serum and urine minerals, serum metabolites and enzymes of lactating dairy cows. Methods: Four primiparous lactating Chinese Holstein cows fitted with ruminal cannulas were infused with increasing amounts (0, 150, 300, or 450 g/d) of ammonium chloride in a crossover design. The DCAD of the base diet was 279 mEq/kg dry matter (DM) using the DCAD formula (Na + K - Cl - S)/kg of DM. Ammonium chloride infusion added the equivalent of 0, 128, 330, and 536 mEq/kg DM of Cl in treatments. According to the different dry matter intakes (DMI), the resulting actual DCAD of the four treatments was 279, 151, -51, and -257 mEq/kg DM, respectively. Results: DMI decreased linearly as DCAD decreased. Yields of milk, 4% fat-corrected milk, energy-corrected milk, milk fat, and milk protein decreased linearly as DCAD decreased. Concentrations of milk protein and milk urea nitrogen increased linearly with decreasing DCAD. Concentration of Cl- in serum increased linearly and concentration of PO43- in serum increased quadratically as DCAD decreased. Urine pH decreased linearly and calculated urine volume increased linearly with decreasing DCAD. Linear increases in daily urinary excretion of $Cl^-$, $Ca^{2+}$, $PO_4{^{3-}}$, urea N, and ammonium were observed as DCAD decreased. Activities of alanine aminotransferase, aspartate aminotransferase, and ${\gamma}-glutamyl$ transferase in serum and urea N concentration in serum increased linearly as DCAD decreased. Conclusion: In conclusion, negative DCAD induced by ruminal ammonium chloride infusion resulted in a metabolic acidosis, had a negative influence on performance, and increased serum enzymes indicating potential liver and kidney damage in lactating dairy cows. Daily ammonium chloride intake by lactating dairy cows should not exceed 300 g, and 150 g/d per cow may be better.
The effect of feeding concentrate mixture devoid of grain on the performance of crossbred dairy cows was studied. Twelve crossbred cows of first/second lactation were randomly distributed into two equal groups. The animals of group 1 were fed on a concentrate mixture containing 30% maize grain whereas, the cows of group 2 were offered a concentrate mixture where grain was completely replaced with deoiled rice bran (DORB) and molasses. Wheat straw was given ad libitum to the cows of both the groups. The feeding was continued for 112 days. The intake of dry matter, CP and TDN were similar in both the groups. Digestibility of DM, OM, EE, NDF and ADF were also comparable between the groups. The average daily fat corrected milk (FCM) yield was 7.70 kg and 7.43 kg in group 1 and 2, respectively. The chemical composition of milk (protein, fat and total solids) also remained unaffected. The animals of both the groups gained 9-10 kg body weight which indicates that both the diets were nutritionally adequate and grain can be successfully replaced with DORB and molasses from the diet to sustain about 6-7 kg FCM production.
Inflammation is an innate immune response that protects the body from pathogens, toxins, and other dangers and is initiated by recognizing pathogen-associated molecular patterns or danger-associated molecular patterns by pattern-recognition receptors expressing on or in immune cells. Intracellular pattern-recognition receptors, including nucleotide-binding oligomerization domain-like receptors (NLRs), absent in melanoma 2, and cysteine aspartate-specific protease (caspase)-4/5/11 recognize various pathogen-associated molecular patterns and danger-associated molecular patterns and assemble protein complexes called "inflammasomes." These complexes induce inflammatory responses by activating a downstream effector, caspase-1, leading to gasdermin D-mediated pyroptosis and the secretion of proinflammatory cytokines, such as interleukin $(IL)-1{\beta}$ and IL-18. Ginsenosides are natural steroid glycosides and triterpene saponins found exclusively in the plant genus Panax. Various ginsenosides have been identified, and their abilities to regulate inflammatory responses have been evaluated. These studies have suggested a link between ginsenosides and inflammasome activation in inflammatory responses. Some types of ginsenosides, including Rh1, Rg3, Rb1, compound K, chikusetsu saponin IVa, Rg5, and Rg1, have been clearly demonstrated to inhibit inflammatory responses by suppressing the activation of various inflammasomes, including the NLRP3, NLRP1, and absent in melanoma 2 inflammasomes. Ginsenosides have also been shown to inhibit caspase-1 and to decrease the expression of $IL-1{\beta}$ and IL-18. Given this body of evidence, the functional relationship between ginsenosides and inflammasome activation provides new insight into the understanding of the molecular mechanisms of ginsenoside-mediated antiinflammatory actions. This relationship also has applications regarding the development of antiinflammatory remedies by ginsenoside-mediated targeting of inflammasomes, which could be used to prevent and treat inflammatory diseases.
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