본 연구는 설탕의 일부를 트레할로스로 치환하여 제조한 쌀식빵의 품질을 검토한 것이다. 쌀식빵의 맛과 품질을 새롭게 하고 노화 억제 효과가 있는 트레할로스를 설탕 사용량의 25%(Ts25), 50%(Ts50), 75%(Ts75)를 트레할로스로 각각 치환하여 제품을 제조한 다음 상온에서 0, 2, 4일간 저장하면서 경시변화를 확인하였다. 쌀식빵의 비체적은 트레할로스를 첨가한 쌀식빵의 경우 대조군의 97%로 약간 줄어든 결과를 보였으나 경시적인 변화는 감소률이 적은 것으로 나타났다. 수분함량 또한 0일차에는 대조군과 트레할로스 첨가 시료 간 차이가 없었지만 트레할로스 첨가 시료의 수분함량은 경시변화가 작아 보습 효과가 나타났다. 쌀식빵의 경도는 트레할로스를 첨가한 시료에서 대조군보다 유의적으로 낮아 트레할로스의 첨가는 쌀식빵 경도를 낮추어 주는 효과가 있음을 알 수 있었다. 관능검사 결과 쌀식빵의 맛은 대조군에 비해 Ts50의 시료가 가장 좋은 것으로 나타났으며 경시변화를 살펴보면 대조군의 경우 2일차, 4일차에서 크게 감소하였지만 트레할로스 첨가 시료는 맛의 감소가 적은 것으로 나타났다. 풍미와 질감, 전반적인 기호도에서도 트레할로스 첨가 시료가 대조군보다 전반적으로 좋다고 나타나 대조군에 비해 시간이 경과할수록 품질이 유지 또는 증가하는 것을 볼 수 있었다. 트레할로스 첨가는 품질 지속시간 증가에 따른 상품성을 기대할 수 있어 제과·제빵 관련 상품개발에 활용할 수 있을 것이다.

본 연구에서는 확산에 의해 발생하는 시멘트 방벽의 변질 과정을 반응성용질이동 모델링을 통해 장기간 동안 예측하고자 하였다. 모델링 결과 50,000년 후 시멘트의 변질은 30cm까지 진행되었다. pH는 13.0에서 11.86까지 감소하였으며 이는 알칼리 이온의 감소, 포틀랜다이트(portlandite)와 CSH (Calcium Silicale Hydrate)광물의 용해/침전반응에 의해 결정되고 있었다. 공극률 또한 portlandite와 의 용해에 의해 가장 큰 영향을 받고 있었으며 최고 약 0.3 점도 증가하였다. 우라늄의 용해도 역시 증가하고 있었으며 이는 pe의 증가에 기인하고 있었다. 본 연구 결과는 장기간의 시멘트 변질이 pH, pe, 공극률을 변화시킴으로서 핵종의 이동을 증가시킬 수 있음을 보여주고 있다.

Background : Teucrium veronicoides Maximowicz is a perennial plant affiliated to labiate. Ther e were many oil components such as methylchavicol, anethole, anisaldehyde, p-methoxycinnamal dehyde, 3-ocatanone and p-cymene. It has been used for indigestion, stomachache, vomit, diarrhe a in the chinese medicine field. Besides it used as medicine, it used increasingly as food additiv es, tea and air fresheners etc. This experiment was focused on plugs and planting date. That's why the plug plants are very useful for transplanting. It saves time and labor for farmer with well-management system. During the raised seeding time, they could has gotten plant health and maximum potential state. The planting date which would have something related to the growth of plug. Methods and Results : Plug plants raised in the greenhouse during 30 days. The interval of planting date was 10 days and five time planted in planting density of 60*30cm sized area with three repeat treatments. The first treatment was middle April. The last planting date was late May. Before planting period, the length of plant and the length of leaf were the highest at the middle April, respectively. The stem diameter was highest at late March. The number of leaf was the most in the late March and early April than other planting date. In the planting period, the length of plant was highest at early April. The stem diameter was also highest at that time. There were no differences on the length and the width of leaf. The number of leaf per plant was the most at the early May. The branches per plant and number of node per plant were the highest in middle April. In the respect of yield, early May had the highest dried yield than that of other treatments. It was 492.2kg/10a. The index of which was 122. The lowest was 317.2kg/10a in late May. Conclusion : About the characteristics on the growth and the yield of Teucrium veronicoides Maximowicz plug in accordance with the planting date, the yield of early May was the highest than that of other in this study. Therefore planting date of early May would have high possibility of optimum planting date.

Background : Schizonepeta tenuifolia Kitagawa is a herbaceous plant affiliated to labiate. It has many oil components which has antimicrobial activity for health with limonene, menthone, pulegon e, piperitenone, schizonepetoside A, schizonepetoside C, spatulenol. The planting area of which is com paratively small than other medicine crop as 5ha area and 15MT in the nation. The purpose of this study was to figure out the cause of characteristics on the planting life in accordance wit h the planting date used plugs. Plug plants are very useful for transplanting. It gives well-mana gement effects to the farmer such as time saving, convenience of planting, plant health, and ma ximum potential state during the raised time. Methods and Results : The number of treatment for planting date was five. Those are early May, middle May, late May, early July and middle July. The interval of the planting date was 10 days. And the raising seeding period was 30 days. During the raising seeding period, in late July treatment the length of plant and the stem diameter were the highest respectively. The number of stem was also the most in late July. In the planting period, the length of plant and the stem diameter were the highest at early May. There were no differences in the number of stem per plant. The length of ear and the width of ear were the highest at the early July. The number of ear per plant was the highest in the early May as 768.7. In the respect of yield, the weight of fresh body at early May was the highest as 587g per plant. The next higher weight of fresh body was middle May as 530.0g per plant than that of other planting date. Conclusion : The effect of planting date on the growth and the yield of Schizonepeta tenuifolia Kitagawa mainly focused to early May treatment. The earlier planting treatment was the better for planting it in this study.

Background : Senna tora L. is a herbaceous plant affiliated to legumes. It has many components good for health with emodin, chrysophanol, aloe-emodin, physicion, rhein, obtusin. It is believed to have many medicine effects, as well as to good for the eyes. This study carried to find ou t the difference of characteristics on the growth according to the planting date used plugs. Plu g plants are very useful for transplanting. It gives well-management effects to the farmer such a s time, plant health, and maximum potential state during the raised time. Methods and Results : Plug plants had 30 days in raising seeding. The planting date was five time. Fist planting date was late April. The last planting date was early July. In their raising seeding period they were taken care of in the green house. And after 30 days, they were planted on the ground in planting density of 50*40cm sized area with three repeat treatments. When the raising seeding period, the length of plant and the length of leaf were the highest at the middle May, respectively. The number of leaf per plant was highest in late May as 11. In the planting period, the length of plant was highest at early July. The lowest was the length of plant at late May. Except the stem diameter in early April, they were no differences among other treatments and the stem diameter was the highest in early April. The number of node per plant could be found the most in middle May and late April. The number of node per plant was the lowest in early July. In the respect of yield, middle May had the highest yield than that of other treatments. It was 849.0kg/10a. The lowest was 740.6kg/10a in the early May. Conclusion : About the characteristics on the growth of Senna tora L. according to the planting date, the yield of middle May was highest than that of other date in this study. The planting date of late May had also shown strong tendency of optimum planting date. Therefore middle May and late May of planting date would be optimum planting date.

Background : Chrysanthemum indicum L. is used in medicine, for bee, ornamental as multivoltinism plant resources. The purpose of this study was to evaluate methods of rooting promotion to make high quality medicinal plants, thereby increasing farm income. This study investigated the effects of different cuttage period, extraction site, shading degree, nursery tray for promoting cutting slips rooting in Chrysanthemum indicum L. Methods and Results : It is used New variety "Gamkuk 1" that were forstered in Gyeongsangnam-do Agricultural Research & Extension Services. Method of application with cuttage period were conducted under five condition; Around the middle of April, Toward the end of April, Early in May, Around the middle of May, Toward the end of May. Early in May plant length was longer than other cuttage period as 41.2%, 83.7% and are significant at significance level 0.05. Method of application with extraction site were conducted under three condition; 1 - 3 node, 4 - 6 node, 7 - 9 node. Leaf number in 1 - 3 node was more than other extration site as 19.4%, 33.6%. Also root length in 1 - 3 was more than other extration site as 10.5%, 23.2%. Method of application with shading degree were conducted under three condition; 50%, 70%, 90%. Plant length in 50 - 70% was longer than 90% shading degree as 23.8%, 24.2%. Also shading degree 50 - 70% had many root length and root number. Method of application with nursery tray were conducted under five condition; 72, 105, 128, 162, 200 tray. Plant length in 105, 128 tray was longer as 8.5 - 35.3% than other nursery tray and are significant at significance level 0.05. Conclusion : According to the results, Early in May, extraction site 1 - 3 node, shading degree 50 - 70%, nusery tray 105, 128 showed the highest growth on cutting slips root promotion in Chrysanthemum indicum L.

Background: Chrysanthemum indicum L. is used in medicine, for bee, ornamental as multivoltinism plant resources. Since ancient times, Chrysanthemum indicum L. had been widely used as drug and tea. From 2000, breeding began and the three varieties "Manhyang", "Geumhyang", Gamro" were developed so far. As demand has increased, growth traits of "Wonhyang" has been tested and fostered to report growth characteristics of "Wonhyang". Methods and Results: It is used New variety "Wonhyang" that were forstered in Gyeongsangnam-do Agricultural Research & Extension Services. After going through selection, proliferation and characteristics of CI0901, production performance test carried out in 2012~2013. As a result, it had named as "Gamkuk 4" in high quality, quantity and of strong in the disease. Local adaptability trial test carried out in 2014~2015. Conclusion: "Wonhyang" was a good growth in plant height, lengths of branches. Leaf color is light green, flower color is light yellow. Disease and pest resistance of "Wonhyang" is relatively better than "Manhyang". Since plant height is small and plant width is big, "Wonhyang" is available for medicine, food and landscaping. As a result of local adaptability trial test, Yield(131.1㎏/10a) of three region Hamyang,Hapcheon,Changnyeongis 10% higher than "Manhyang". Based on the results of this study, "Wonhyang" was to be registered for a new breed through the breed fostering council.