• 생약학회지
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• 제2권1호
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• pp.41-42
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• 1971

Pale yellow microneedles$(m.p.\;228{\sim}230^{\cric})$ and colorless microneedles$(m.p.\;235{\sim}237^{\circ})$ were respectively obtained from the leaves of Cornus kousa $B_{UERGERI}$. These two substances were as iso-quercitrin and gallic acid by paper partition and thin-layer chromatographies and physicochemical tests.

• 농업생명과학연구
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• 제44권6호
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• pp.79-82
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• 2010

Three types of leaf domatia; Pocket (P), Tufts (T) and Tufts-Pocket (TP) were observed in the five species of Cornus namely; Cornus kousa, C. controversa, C. officinalis, C. walteri and C. alba. In C. walteri no tufts were observed, the domatia was just a well developed pocket one. In C. officinalis and C. kousa, tufts domatia of brownish color were observed but C. officinalis developed denser tufts than those observed in C. kousa. Unlike in C. kousa where the domatia covered about only 1/2 of the axil, in the C. officinalis tufts covered almost 3/4 of the axil. In both species the tufts domatia were located in the inner side of the leaf axil. In C. controversa and C. alba whitish colored tufts were observed covering Pockets and hence the Tuft Pocket domatia. In C. controversa the tufts were more than in C. alba but in both species the tufts were short and were located in the inner sides of the axil. Thus, based on these physiological features it was concluded that C. officinalis and C. kousa are sister species likewise C. controversa and C. alba while C. walteri belong to another lineage. The advancement of domatia (absence of tufts) in C. walteri suggests that they are the most advanced while C. officinalis and C. kousa the most primitive due to their possession of highly developed tufts and C. controversa and C. alba the intermediates.

• Applied Biological Chemistry
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• 제49권1호
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• pp.82-85
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• 2006

산딸나무 열매를 100% MeOH로 추출하고, 얻어진 추출물을 EtOAc, n-BuOH 및 물로 용매 분획 하였다. 이 중 EtOAc 분획으로부터 silica gel과 octadecyl silica gel(ODS) column chromatography를 반복하여 3종의sterol 화합물을 분리, 정제하였다. 각 화합물의 화학구조는 NMR, MS 및 IR 등의 스펙트럼 데이터를 해석하여, ${\beta}-sitosterol$(1), $stigmast-4-en-6{\beta}-ol-3-one$(2), daucosterol(3)으로 동정하였다. 이 화합물들은 산딸나무에서 처음 분리되었다.

• 한국환경과학회지
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• 제12권1호
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• pp.15-22
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• 2003

Fifteen major naturally populated habitats around the Mt. Halla, Jeju province for wild Cornus kousa are mostly located on the southeast side of the mountains at 850-1,550m in altitude at sea level and are in half sunney areas. More than 40.0% of the naturally populated area of Cornus kousa are edge of forest areas and 53.3% populate on the steep slope of the mountain in 0-5℃. The direction of the slop for about 40.0% of total populated areas is southeast. In the naturally populated areas, total of 64 taxa dividing into 42 families, 59 genera 56 species and 8 varieties have been shown, mostly Hydrangea petiolaris, Rubus oldhamii, Ilex crenata, Sasa quelpaertensis, Ligustrum obtusifolium. It is suggested that these areas are secondary forest in a typical deciduous forest in Mt. Halla where the second transition had been progressed after forest damage or environmental stress. The index of species diversity of plant groups in these areas is 1.286-4.238 based on the Shannon-Wiener's method.

• 한국자원식물학회지
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• 제19권4호
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• pp.509-514
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• 2006

외나로도 식물상을 조사하던 중 분홍색 포를 가진 산딸나무 개체를 발견하였다. 흰색 포를 가지는 일반 산딸나무 개체와 식별가능한 유전자 marker를 탐색하기 위하여 ISSR primer를 사용하였다. 50개의 primer 중 6개 primer에서 총 58개의 증폭산물을 관찰할 수 있었으며, primer당 평균 9.67개가 증폭되었다. UPGMA 방법에 의한 유집분석을 수행한 결과, 산딸나무 개체들은 포가 분홍색인 개체들과 흰색인 개체들이 따로 유집되었으며, 흰색인 개체들은 도서지역 개체들과 내륙지역 개체들로 유집되었다. 산딸나무 화색의 변이에 따른 유전적 다양성조사 결과, 특정 ISSR primer는 꽃이 없는 상태에서 변이 개체를 구분할 수 있는 유용한 marker로 사용될 수 있는 것으로 사려되었다.

• 한국약용작물학회지
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• 제10권5호
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• pp.327-332
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• 2002

This study was conducted to investigate the immuno-regulatory effect and apoptosis of L1210 and HL60 leukemia cells of methanol-extracts of Cornus kousa Burg(CKB). The proliferation of mouse splenocytes and thymocytes enhanced by the addition of $10\;{\mu}g/ml$ of CKB. CKB were administered p.o. once a day for 7 days in adult male BALB/c mice. CKB increased the splenic and thymic T lymphocytes, especially the number of $T_H$ cells markedly increased by the treatment of CKB. CKB treatment induced the apoptotic cell death in L1210 mouse leukemia and HL60 human leukemia cells. In addition, CKB also accelerated the phagocytic activity in peritoneal macrophages and increased the production of plaque forming cells. These results suggest that CKB have an various immuno-regulatory property.

• 한국산림과학회지
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• 제95권3호
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• pp.261-267
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• 2006

본 연구는 국내 자생 산딸나무 수종의 유전자원 보존 전략 수립을 위해 5개 집단의 지리적 위치에 따른 풍매차대 109가계의 포지에서 12가지 양적특성(생장 및 엽형) 변이를 조사하고 다변량분석을 실시하였다. Nested design에 의한 분산분석 결과 12가지 양적특성 모두에서 집단간 및 집단 내 가계 간에 유의적인 차이를 보였으며, 엽맥수와 상1/3폭 하1/3폭 특성은 총분산 가운데 집단이 차지하는 비율이, 다른 모든 형질들은 집단 내 가계가 차지하는 비율이 높은 것으로 나타났다. 12가지 양적특성들에 대한 집단간 유연관계는 거리지수 0.8에서 크게 3그룹으로 나뉘었으며, 유집군의 유형은 제2주성분까지가 전체 변이의 91.9%를 설명하였다. 각 인자별 기여도에 있어서는 제1주성분에서 최대엽폭, 엽맥수, 엽신/엽병길이 및 상1/3폭 하1/3폭 인자가, 제2주성분에서 수고, 근원경, 엽신, 상1/3폭, 엽병길이 및 엽병길이/엽맥수 인자가 높은 기여도를 나타냈다. 산딸나무 집단의 지리적 분포에 따른 경향은 나타나지 않았다.

• 한국조경학회지
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• 제32권2호
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• pp.120-129
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• 2004

This study was carried out to develop new varieties with early maturing and large fruit size in the Korean native dogwood (Cornus kousa) for woody landscape plants from native sites or cultivated area. The results are obtained as follows; We selected strains with early maturing and large fruit. size from the habitats from 2000 to 2003. ‘SKK 2-1’ had 4.0cm of fruit size while 2.0 cm of native variety. In addition, ‘SKK 2-2’, ‘SKK 2-3’, ‘SKK 2-4’, and ‘SKK 2-5’ with large fruit and early maturing were preliminary selected from the habitats. In the preliminary selections, ‘SKK 2-1’ was finally selected as new early maturing variety with large fruits in 2003. New early maturing variety with large fruit size, C. kousa var. ‘SKK 2-1’ was selected from 200 plants of 5-year-old seedlings in C. kousa in 5-12 Nung wean ri Goo sung myun Yong In, Kyung gi do, Korea in 2000. Their fruits were colorized in September 18, 20∼25 days earlier than October 7 of native varieties. Its fruit diameter is larger than 4cm. Its fruit weight was 5 times as heavy as native cultivars grown in Korea. This useful characters were still inherited after grafting. However, characteristics of growth, leaf, flower, and flowering period were not different from those of native varieties. Therefore, it was very promising landscape woody plant, having large fruits in early fall season. The rooting rate of Korean dogwood was high by the IBA treatment. The optimum date for softwood cutting was on June 25 ∼ July 25 when the rooting rate was more than 80%. In addition. Korean dogwood was easily propagated by grafting. Therefore, new early maturing variety with large fruits, C. kousa var. ‘SKK 2-1’ is easily propagated by softwood cutting or grafting and then is a promising cultivar as a woody landscape plant.

• Journal of Applied Biological Chemistry
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• 제50권3호
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• pp.144-147
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• 2007

Dried, unripe fruits of Cornus kousa Burg. were extracted with 80% aqueous MeOH and the concentrated extracts were partitioned between EtOAc and $H_2O$. From the EtOAc fraction, four flavonoids were isolated through repeated silica gel, ODS and Sephadex LH-20 column chromatographies followed by a preparative HPLC. Based on the spectroscopic data including NMR, MS and IR, the chemical structures of the compounds were determined as kaempferol (1), astragalin (2), hyperin (3) and isoquercitrin (4). These compounds were isolated for the first time from the fruits of this plant.

• 한국작물학회:학술대회논문집
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• 한국작물학회 2006년도 한국약용작물학회 공동춘계학술발표회
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• pp.554-555
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• 2006