This study aimed to evaluate the nutritional composition of various edible and medicinal mushrooms and assess their potential as alternative food sources in response to increased meat consumption, which poses environmental and health risks. The crude protein, crude fat, carbohydrate, dietary fiber, and vitamin C contents of 17 edible and medicinal mushroom species, including Flammulina velutipes, Pleurotus ostreatus, Pleurotus eryngii, Agaricus bisporus, Lentinula edodes, and Wolfiporia extensa, were systematically analyzed. Pleurotus ostreatus‘Suhan 2’ and P. eryngii‘No. 2’ showed high crude protein and carbohydrate contents, suggesting excellent potential as alternative protein and energy sources. Flammulina velutipesvarieties ‘TO22’ and ‘Aram’ exhibited relatively high crude fat contents, whereas P. eryngii‘No. 2’ and P. ostreatus‘Suhan 2’ had high vitamin C levels, suggesting a beneficial role in immune enhancement. In contrast, the medicinal mushroom W. extensa had relatively low protein and dietary fiber contents, limiting its potential as an alternative protein source compared to the other edible mushrooms. Nonetheless, it may provide other health benefits. The present study provides foundational data for the utilization of mushrooms as sustainable alternative food resources, supporting efforts to mitigate environmental impacts of meat production and improve dietary health.

This study analyzed patent trends for technologies that convert horticultural crop residues into mushroom substrates and developed mycelium-based utilization technologies. Environmental pollution caused by disposable plastics and Styrofoam has increased. Therefore, the demand for innovative and eco-friendly solutions has substantially increased. Agricultural residues such as fruit pruning residues and citrus waste provide economically and environmentally viable alternatives to imported raw materials because of their rich cellulose and lignin contents. Recent studies have shown that substrates containing these residues can produce mushrooms of equivalent quality as conventional sawdust-based media, thereby reducing production costs and improving resource independence. In addition, mushroom mycelia have been developed as sustainable materials for non-animal leather, packaging, building, and insulation. A patent analysis of ECOVATIVE confirmed important innovations in processing, material mixing, and product applications. The results provide the foundation for building an integrated system for utilizing horticultural residue resources with mycelium-based materials, as well as offers strategic insights and future directions for the research and development of sustainable industrial materials. The results also demonstrate the potential of agricultural byproducts to reduce dependence on imported substrates, lower cultivation costs, and mitigate environmental impacts, ultimately contributing to a circular economy for the development of sustainable materials.

Oyster mushrooms were analyzed to confirm the effect of installing a convection fan on the uniformity of the environment inside the cultivation house, the quantity of fruiting bodies, and marketability for stable production. When using a convection fan, it was confirmed that the temperature, relative humidity, and CO2 concentration were maintained more uniformly than when not used.As for the characteristics of the fruiting bodies, the quantity per bottle was 177.3 g when using a convection fan, which was 17% higher than when not used, and the individual weight was 49% higher. In addition, the cap diameter, cap thickness, and stem thickness increased slightly in the convection fan treatment, and the stem length was shorter.

In this study, Pleurotus ostreatus were grown in bottles at temperatures set to 15°C, 20°C, and 25°C inside the cultivation room. Changes in temperature, CO2 concentration, and humidity inside the bottles were measured, and growth characteristics according to the temperature conditions were evaluated. CO2 concentration increased overall as the temperature increased and was particularly stable at 20°C, suggesting that 20°C is the optimal condition for the physiological respiration of P. ostreatus . While humidity was relatively constant at 15°C, it decreased over time at 20°C and was maintained at a stable level at 25°C, suggesting that water retention capacity may occur at high temperatures. As a result of the growth investigation, the yield per bottle and individual weight were the highest at 20°C, confirming that 20°C is the most suitable temperature condition for the growth of oyster mushrooms. At 25°C, the yield per bottle was maintained but the individual weight decreased and the color tended to change. These results suggest that the interaction between CO2 concentration, humidity, and temperature has a significant effect on the growth and quality of oyster mushrooms, and that it is effective to control the cultivation room temperature to 20°C for optimal growth.

Purpose: This study explored teachers’ experiences of practicing character education focusing on Juingonggwanbeop in elementary schools. The goal was to provide universal Juingong-gwanbeop character education programs for schools. Methods: This study used one-on-one in-depth interviews to collect data from teachers working at different elementary schools regarding their character education experiences. The collected data were analyzed using qualitative content analysis. Results: 5 themes and 16 sub-themes were derived from the analysis. The five themes included “Starting Juingong-gwanbeop character education for various reasons”, “Feeling joy when seeing students changing through Juingong-gwanbeop character education”, “Difficulties in managing Juingong-gwanbeop character education”, “Development and dissemination of standardized Juingong-gwanbeop character education programs”. Conclusion: The findings showed that both students and teachers experienced positive changes and growth in their school lives through Juingong-gwanbeop character education. The participants expressed a strong desire to develop universal programs and materials for teachers who have not been exposed to Juingong-gwanbeop.

이 연구는 상담자의 대리외상과 외상 후 성장간의 관계에서 마음챙김 과 그릿의 다중 매개효과를 검증하고자 하였다. 이에 선행연구를 토대로 대리외상과 외상 후 성장의 관계에서 마음챙김과 그릿의 부분매개 모형 과 마음챙김과 그릿의 완전매개 모형을 비교하였다. 국내 상담자 308명 을 대상으로 대리외상경험 질문지, 대리외상 척도, 마음챙김 척도, 그릿 척도, 한국판 외상 후 성장척도를 사용하였으며 SPSS Stastics 25.0을 이용한 기술통계와 상관분석, AMOS 24.0 프로그램을 이용한 구조방정 식으로 마음챙김과 그릿의 다중매개효과를 검증하였다. 그 결과, 완전매 개 모형이 최종 모형으로 선정되어 마음챙김과 그릿의 간접효과가 유의 한 것으로 나타났다(β= -.26, p <.001). 이는 상담자가 대리외상을 경험했 을 때, 마음챙김을 기반으로 그릿을 향상시킨다면 외상 후 성장에 이를 수 있음을 시사한다.

We compared the reproductive performance, non-productive performance, and milk composition performance of two groups of lactating cows that were either rice straw or tall fescue. We also compared and analyzed these parameters after the first parturition during the breeding period. The calving interval, artificial insemination, and duration from calving to conception were longer in the rice straw group than in the tall fescue group. The 305-day and peak milk yields were significantly higher in the tall fescue group than in the rice straw group (p<0.01). Milk fat content was significantly higher in the tall fescue group than in the rice straw group (p<0.001), but milk protein content was the same between the feeding groups. The difference in raw milk sales income between rice straw and tall fescue groups tended to increase as the number of lactations increased, but there was no effect of reduced feed costs. Analysis of the milk production and raw milk sales income of the surveyed farms revealed that the average milk production per head was significantly (p<0.05) higher in the tall fescue group than in the rice straw group, and raw milk sales income showed a similar tendency. Overall, these results provide important details to be considered when selecting feed as a way to reduce milk production and heifer raising costs. However, there remains a need for future follow-up studies exploring the relationship between feed choice and the management of heifers.

This study was conducted to selection and investigate appropriate conditions for mass production of antagonistic microbes to control cobweb disease caused by Cladobotryum mycophilum. A grampositive bacterium was isolated from spent substrate of Agaricus bisporus and showed significant antagonistic activity against Cladobotryum mycophilum. The bacterium was identified as Bacillus altitudinis. based on the cultural, biochemical and physiological characteristics, and 16S rRNA sequence. The isolate is saprophytic, but not parasitic nor pathogenic to cultivated mushroom whereas it showed strong inhibitory effects against C. mycophilum cells in vitro. The control efficacy of B. altitudinis HC7 against cobweb disease of C. mycophilum was up to 78.2% on Agaricus bisporus. The suppressive bacterium may be useful for the development of biocontrol system. To define the appropriate conditions for the mass production of the Bacillus altitudinis HC7, we have investigated appropriate culture conditions and effects of various nutrient source on the bacterial growth. The appropriate initial pH and temperature were determined as pH 6.0 and 30oC, respectively. The appropriate concentration of medium elements for the growth of pathogen inhibitor bacterium(Bacillus altitudinis HC7) was determined as follows: 3.0% soluble startch, 10% soytone, 1.0% (NH4)2HPO4, 1.0 mmol KCl, and 0.5% L-asparagine.

Previous researches have revealed that dental panoramic radiographs routinely taken in dental clinics can be useful to diagnose low bone density. The purpose of this study is to investigate the prevalence, awareness and treatment rate of low bone density of females utilizing dental panoramic images. Four-hundred-and-fifteen female patients(mean age 70.4 yrs ± 11.4 yrs) between the age of 50s to 90s, at Chonnam National University Dental Hospital were randomly selected for this study. The panoramic radiographs taken from the patients were reviewed for the purpose of interpreting suspected low bone density(SLBD) on the basis of mandibular cortex index. Awareness and treatment rates of osteoporosis were investigated based on electronic records using the past medical history. As a result, the prevalence rate was 42.17%(175 in 415), the osteoporosis-awareness rate 22.3%(39 in 175), and the treatment rate 87%(34 in 39), showing that the osteoporosis-awareness rate was low, but the treatment rate was relatively high. In conclusion, it can be suggested that osteoporosis-awareness rate by diagnosing SLBD with dental panoramic radiographs be increased to help patients to receive proper treatment.

본 연구는 동물매개 치유농장을 방문한 방문객의 특성을 분석하고, 이들 방문객을 대상으로 동물매개 치유농업의 활성화를 위한 속성별 중요도와 성취도를 조사하였다. 결과를 토대로 동물매개 치유농업 관련 전문가, 공무원, 연구원 등에게 정책수립과 연구 기초자료를 제공하고, 치유농장 품질인증제에 따른 수요자 맞춤 자료를 제공하고자 연구를 수행하였으며, 분석기법은 Importance-Performance Analysis (IPA)를 활용하였다. 분석결과 1사분면에서는 편의시설, 2사분면은 직원의 전문성, 3사분면은 동물 수의 적정성, 4사분면은 직원의 친절성이 도출되었다. 본 연구의 결과를 통해 도출된 속성에 적합한 방안을 적용하고 원활한 동물매개 치유농업 정책이 이루어지길 기대한다.

Given the recent increases in feed cost, the demand for rice straw has been increasing on dairy farms because it is cheaper than expensive imported forages. Therefore, it is necessary to study the effect of rice straw feeding on the growth and productivity of dairy heifers. This study compared how feeding tall fescue and rice straw affects the growth, age at first calving, and feed cost of heifers. we compared the growth, age at first calving, and feed cost for each group during the breeding period. Body height was higher in the tall fescue-fed group than in the rice straw-fed group (p<0.05). The length of the growing stage was significantly shorter in the tall fescue group than in the rice straw group (p<0.001) and the age at calving also showed a significant reduction in the tall fescue group compared to the rice straw group (p<0.001). However, the feed cost was lower in the rice straw group because of the difference in the unit price of forage (p<0.001). Based on these results, during the growing period, the rice straw group had delays in growth and the age at first calving compared to the tall fescue group, but also had reduced feed costs in the short term.

본 연구에서는 보육시설 내 식수인원 및 조리 종사자 근무현황에 따른 급식소 위생 관리수준을 평가하였다. 2021 년부터 2022년까지 풀무원푸드머스를 통해 식자재를 공급 받는 전국 199개 보육시설을 대상으로 61개 점검문항 중 평가결과에서 유의미한 일부 분석결과를 바탕으로 작성하 였다. 분석결과 식수인원이 적고, 조리 종사자가 적을수록 검수기록이 미 실시(P<0.05)되는 평가되었으며, 식수인원 이 적을수록 조리 종사자의 건강상태 확인이 미흡하고, 조 리 종사자가 적을수록 복장착용(P<0.05)이 미흡하였다. 또 한, 식수인원이 적은 보육시설일수록 소비기한 경과 식재 료 보관이 확인(P<0.05)되는 빈도 수가 높아 관리가 요구 되었으며, 가열조리 시 심부온도 측정기록은 미 실시(P<0.05) 되는 것으로 확인되었다. 그리고 식수인원이 적은 보육시 설일수록 조리시설의 유지관리가 미흡(P<0.05)하였다. ATP 측정결과에서는 식수인원이 적은 조리시설 종사자의 손과 도마에서 유의적으로 높은 ATP 수치가 검출(P<0.05)되었으 며, 조리종사자가 적을수록 근무 급식소의 도마에서 높은 ATP 수치(P<0.05)가 측정되었다. 분석결과를 종합해 볼 때 식수인원이 적은 보육시설일수록 조리운영을 위한 시설기반 관리가 부족하고, 위생관리가 미흡한 것으로 확인되었다. 따 라서 본 연구결과를 통해 식수인원 및 조리 종사자 수에 따 른 보육시설 급식소의 위생 관리수준을 판단하였으며, 향후 보육시설에 대한 국가 지원사업 선정 시 해당 연구결과가 기초자료로써 활용될 수 있을 것으로 사료된다.

본 연구에서는 고투과성 및 높은 염 제거율을 가지는 역삼투막의 성능향상을 위하여 다양한 첨가제 및 계면중합 시 경화 온도 및 시간에 따른 특성평가에 대한 연구가 수행되었다. 첨가제가 없는 막과 첨가제를 첨가한 막의 모폴로지는 모 두 “ridge-and-valley” 구조를 나타내어, 폴리아미드 층이 다공성 지지층 표면에 성공적으로 중합되었음을 확인하였다. 또한 2-Ethyl-1,3-hexanediol (EHD) 첨가함으로써 향상된 친수성과 수투과율 가졌으며, 이는 접촉각 측정을 통해서 확인되었다. 최 종적으로 97.78%와 98.7%의 NaCl 및 MgSO4 제거율과 3.31 L/(m2⋅h⋅bar)의 높은 수투과율을 가진 고투과성 계면중합막을 제조하였다.

파골세포양 거대세포형 미분화 암종은 췌장암의 1%만을 차지하는 흔치 않은 암종으로 알려져 있다. 저자들은 39세 남자에게서 진단된, 수술 및 항암치료를 시행한 1예를 소개하고자 한다.