• 한국자원식물학회:학술대회논문집
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• 한국자원식물학회 2005년도 International Symposium & conference of the Plant Resources Society of Korea
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• pp.171-172
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• 2005

• 한국자원식물학회지
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• 제28권6호
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• pp.718-726
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• 2015

In this study, the inhibitory activities of fifty plant extracts on IgE-mediated degranulation in the rat basophilic leukemia cell line (RBL-2H3 cells) were measured; the release of interleukin (IL)-4 and β-hexosaminidase from IgE-sensitized cells treated with the plant extracts was measured; and the effects of the plant extracts on cell viability were tested. The results of the analysis of plant extracts at 20 μg/ml, including the aerial part of Magnolia sieboldii K. Koch, exhibited suppressive activities upon the release of IL-4. Furthermore, several plant extracts including methanol extracted from Lindera erythrocarpa Makino (aerial part) at the same concentration significantly inhibited the release of β-hexosaminidase. Twenty-six of the plant extracts, including methanol extract of Weigela subsessilis (Nakai) L. H. Bailey (branch), showed a cell proliferation effect of over 80% at 100 μg/ml. In conclusion, the results suggest that the leaf/stem of Geum japonicum Thunb. and the stamen/ovary of Nelumbo nucifera Gaertn., which exhibited effective inhibition on β-hexosaminidase release and IL-4 release from mast cells and showed high cell viability, could be useful candidates as anti-allergy materials.

• 식물병연구
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• 제24권4호
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• pp.292-301
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• 2018

Alternaria leaf spot disease has been a concern during a tomato production in greenhouse. In vitro antifungal activities of vapours of four plant essential oils, cinnamon oil, fennel oil, origanum oil and thyme oil, were investigated during in vitro conidial germination and mycelial growth of Alternaria alternata causing the tomato leaf spots to find eco-friendly alternatives for chemical fungicides. The four plant essential oils showed different antifungal activities against in vitro conidial germination of A. alternata in dose-dependent manners, and cinnamon oil vapour was most effective to suppress the conidial germination. The four plant essential oils showed similar antifungal activities against the in vitro mycelial growth of A. alternata in dose-dependent manners, but low doses of thyme oil vapour slightly increased in vitro mycelial growth of A. alternata. Necrotic lesions on the A. alternata-inoculated tomato leaves were reduced differently depending on kinds and concentrations of plant essential oils. Delayed conidial germination and germ-tube elongation of A. alternata were found on the tomato leaves treated with cinnamon oil and origanum oil vapours at 6 hpi. These results suggest that volatiles from cinnamon oil and origanum oil can be provided as alternatives to manage Alternaria leaf spot during the tomato production eco-friendly.

• 인간식물환경학회지
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• 제24권6호
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• pp.595-608
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• 2021

Background and objective: For effective horticultural education, it is required to develop kits for practice. In this study, we developed a horticultural kit for germination that introduces storytelling, characterization, and assembly, and investigated the educational effects of using it to study its educational differentiation and usefulness. Methods: First, we developed a seed germination kit for learning. It consists of three components: the kit main frame for hydroponics, the activity sheet for storytelling, and the instruction manual. It is made into an acrylic assembly in consideration of the ease of delivery for contactless learning. Second, we developed two programs, each using a germination kit for horticultural education (experimental group) and a general germination kit program (control group). At this time, the class consists of pre-questionnaire, the 1st and 2nd classes, observation log writing (total six times for two weeks), the 3rd class, and post-questionnaire. The experimental group and control group were separately executed. Third, the application results were compared and analyzed before and after class. As a quantification questionnaire, the effects before and after class were compared through t-test with a questionnaire on program satisfaction and attitude change toward plants. The quantitative results were analyzed through observation activity sheets and effects before and after the class were analyzed through t-test with quantification and language coding. Results: The effect of horticulture education using the developed kit was estimated by a quantification questionnaire. Both the program satisfaction and the change in attitude toward plants showed high in the experimental group, and this difference was statistically significant (p < .05). As a result of analyzing the observation paper with a qualitative questionnaire, various cognitive and affective expressions appeared in the experimental group as well as the contents of the observation paper. The number of syllables and various qualitative expressions appeared, and these differences were also statistically significant (p < .05). Conclusion: Compared to general germination activities, it was found that the germination activities using storytelling-based horticultural kits would be effective for contactless classes in the post-COVID-19 era and in increasing the educational effect of horticultural activities.

• 인간식물환경학회지
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• 제23권3호
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• pp.321-332
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• 2020

Background and objective: The concept of 'money' in the numbers and operations domain is a fundamentally necessary domain of economic life. This study was conducted to examine the effects of a horticulture-mathematics integration program on mathematical attitude and money calculating ability of high school students with intellectual disabilities. Methods: We analyzed the changes in the mathematical attitude and money calculating ability of students with mild intellectual disabilities in S special school in the city of D, Republic of Korea, with 12 students in the control group and 12 students in the experimental group, from August 27 to October 29, 2019. Results: The results of the comparison showed no statistically significant changes in the three items of mathematical attitude for the control group, while the experimental group, which took part in the horticulture-mathematics integration program, showed statistically significant differences across all three items, such as self-concept about the subject (p = .003), attitude toward the subject (p = .004), and study habit related to the subject (p = .012). The horticulture-mathematics integration program, which was developed by integrating horticultural activities and the mathematics curriculum, used plants and horticultural activities to provide students with positive experiences in mathematics. These included the sense of closeness, curiosity, interest, attention, and enjoyment, leading to positive changes in mathematical attitude. In terms of money calculating ability, both the control group and experimental group showed statistical differences across the three items, but the experimental group showed greater degrees of increase, 15.0 or more, in the scores compared to the control group. Conclusion: These results suggest that utilizing horticultural materials as a part of purchase learning programs with elements of money calculation chapters in the mathematics curriculum could lead to the improvement of students' ability in money calculation. These positive changes are thought to be related to the high degrees of interest in horticulture among students, which led to active participation in the program and enabled the simple and repeated purchase activities in the program to generate positive changes in the money calculation ability of the students.

• 인간식물환경학회지
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• 제24권6호
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• pp.573-584
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• 2021

Background and objective: This study was conducted with 10 men and women in their 50s-60s to investigate the effect of agro-healing activities on the improvement of mental health. Methods: The experimental group participated in total 8 sessions of agro-healing activities, once a week for 2 hours each, at a care farm in Wanju-gun. Physiological measurements were taken with an electroencephalogram (EEG), Salivettes samples, and blood pressure before and after the activities. Results: As a result of analyzing the changes in brainwaves of the experimental group before and after agro-healing activities, relative slow alpha (RSA), relative fast alpha (RFA), and ratio of alpha to high beta (RAHB), the indices of stability and relaxation, increased after the program with statistical significance. Also, the ratio of SMR to theta (RST) of the attention index increased on the right frontal lobes, temporal lobes, and left occipital lobes, and relative low beta (RLB) increasd on the frontal lobes, temporal lobes, and occipital lobes after the program with statistical significance. The sympathetic nervous system activity, which is a stress index, decreased after the program, whereas the parasympathetic nervous system activity, which is a relaxation index, increased, showing statistical significance (p < .05). As a result of analyzing the changes in blood pressure after the program, systolic blood pressure and diastolic blood pressure decreased from prehypertension to normal blood pressure, showing statistical significance. SThese results indicate that participating in agro-healing activities at a care farm for the 50-60s helps reduce stress and improve stability and relaxation as well as attention. Conclusion: Thus, developing and applying customized agro-healing programs for participants will have a positive effect on brain activity and psychophysiological improvement by relieving tension and stress. However, there are limitations in generalizing the results of this study since most of agro-healing farms have low accessibility that leads to a low level of participants.

• 인간식물환경학회지
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• 제22권4호
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• pp.333-340
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• 2019

This study was conducted to find out the effects of plant cultivation activities in the village gardening program hosted by Gyeonggi-do on the psychology and physiology of participants. This study conducted a survey on 20 villagers aged 57.70±9.23 on average and collected their saliva before Session 1 and after the final Session 10. The experiment was conducted by carrying out the village gardening program once a week for total 10 weeks. Psychological assessment was conducted by measuring the level of plant cultivation experience, four elements (repose, fascination, coherence, legibility) of the Perceived Restorativeness Scale (PRS) and stress levels, and also conducting the Wilcoxon paired signed ranks test. As the result of comparatively analyzing the saliva collected before and after the program, the total cortisol level, which is a stress hormone, decreased with statistical significance after the program (t=14.521, p<.001). The level of plant cultivation activities increased with statistical significance after the program, and the PRS increased with statistical significance in the three elements of repose, fascination and legibility excluding coherence. In addition, as the result of examining the change in the stress level of participants with the sum of all item scores, it was found that the stress level decreased with statistical significance (p<.05) from 17.65 points to 15.30 points after the program. Hence, plant cultivation activities in the village community have positive effects such as attention restoration or stress relief. In addition, the activities can also contribute to mental connection and healthcare of residents.

• 농업생명과학연구
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• 제46권6호
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• pp.87-96
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• 2012

본 연구는 사회복귀를 예정하고 있는 수형자들의 원예치료 및 원예활동에 대한 요구와 선호도를 조사하여 사회복귀예정 수형자를 대상으로 한 교정 교화 원예치료프로그램 개발을 위한 식물 및 원예활동에 대한 기초 자료를 마련하기 위하여 수행되었다. 설문지 분석 결과, 남성, 40대, 고졸이하가 가장 많았고 사기에 기독교가 가장 많았다. 교정 교화프로그램으로써 원예치료가 제공되는 것에 대해서 바람직하다는 의견이 약 70%, 교정 교화프로그램으로써 원예치료가 제공되었을 때 60% 이상이 참여할 의사가 있다고 밝혔다. 원예활동 경험은 없는 사람이 많았고, '산책, 견학, 여행 등의 식물감상활동'을 가장 선호하고 다음으로 '실내외에서 식물 가꾸기', '식물을 이용한 장식 및 공예활동' 순이었다. 선호하는 식물은 화훼를 가장 선호했고, 화훼식물 중에서는 '난초류'를, 채소식물 중에서는 '열매채소'를, 열매채소 중에서는 '토마토'를 가장 선호하는 것으로 나타났다.

• 생명과학회지
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• 제29권1호
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• pp.69-75
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• 2019

로즈마리(Rosmarinus officinalis L.)는 식품소재로서 널리 사용되고 있으며 다양한 생리활성이 보고되어 있다. 그러나 극성이 다른 용매 추출물의 상호작용과 생리활성에 관한 연구는 잘 정립되어서 보고되지 않았다. 따라서 본 연구에서는 로즈마리 분말을 hexane, EtOAc, MeOH 그리고 95%, 70%, 50% 또는 25% EtOH 및 물로 추출한 다음, 각각의 용매 추출물의 항산화, 항비만, 항 ${\alpha}$-glucosidase 활성 및 미백효과 등을 조사하기 위해 수행되었다. 로즈마리 추출물의 항산화 및 tyrosinase 저해 효과는 비교적 극성이 높은 50% EtOH, 25% EtOH 및 증류수 추출물이 가장 효과가 좋았다. 그러나 ${\alpha}$-glucosidase 활성억제는 EtOH의 농도가 높은 50~95%와 MeOH 추출물에서 효과가 가장 좋았다. 지방세포의 분화억제는 70% EtOH로 처리시에 가장 효과가 좋았으며, EtOH의 농도가 70% 보다 증가하거나 감소하였을 경우에는 농도에 비례하여 감소하였다. 본 실험의 결과 최적의 추출용매는 항산화, tyrosinase 저해, ${\alpha}$-glucosidase 활성억제 및 지방세포의 분화 억제 등의 질환에 따라서 차이가 있었다. 이러한 추출용매를 고려하면 추출용매에 따라서 최적의 생리활성 성분의 종류와 함량이 차이가 있고 이로 인하여 생리활성 효과도 달라진 것으로 생각된다.

• 농업생명과학연구
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• 제46권3호
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• pp.11-17
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• 2012

본 연구는 공동생활시설에서 거주하는 지적장애인을 대상으로 원예치료가 일상생활동작 및 대인관계 향상에 미치는 영향에 대해 알아보고자 하였다. 원예치료대상자는 제주시 용담동 J시설에 거주하는 지적장애인 대조군 8명, 실험군 8명 이었다. 원예치료 프로그램은 2009년 3월부터 2009년 7월 중순까지 주 1회 2시간씩 총 20회 실시하였다. 일상생활동작 평가 결과 대조군의 경우 식사동작을 제외하고 모든 항목의 기능이 실험기간 동안 변화가 없거나 오히려 떨어졌다. 실험군의 경우 대조구와는 반대로 원예치료에 의해서 이동동작을 제외한 일상생활동작평가의 모든 항목이 유의하게 향상되었다. 대인관계 평가 결과 대조군은 실험 전 42.25점에서 실험 후에도 42.25점으로 변화가 없었으나, 실험군의 경우 대조구와는 달리 실험 전 41.75점에서 실험 후 50.37점으로 8.62점이 증가하여 99% 수준에서 고도로 유의한 변화를 보였다. 그룹활동 평가 결과 신체적 지각적 능력, 사회적 교류, 인지능력, 감정상태, 직업적 관심이 통계적으로 고도로 유의하게(99%) 향상되었다. 이상의 결과로부터 원예치료 프로그램이 공동 생활시설내 지적 장애인들의 일상생활동작 및 대인관계 향상에 효과적인 것으로 나타났다.