• 제목/요약/키워드: Triterpene glycoside

검색결과 18건 처리시간 0.019초

병풀 잎에서 triterpene glycosides의 시기별 함량변화 (Seasonal variations of triterpene glycosides contents in the leaf of Centella asiatica (L.) Urban)

  • 김옥태;김민영;김수정;김유정;김광수;안준철;김시욱;황백
    • 한국약용작물학회지
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    • 제10권5호
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    • pp.375-378
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    • 2002
  • 5월부터 10월까지 병풀의 지상부에 triterpene glycosides인 madecassoside와 asiaticoside의 시기별 함량변화를 조사하였다. 잎에서는 9월에 약 108.1 mg/g으로 가장 높은 수준의 함량을 보였다. 엽병에서는 19.02 mg/g으로 잎에서 보이는 수준보다는 낮은 수준을 나타냈다. 병풀의 triterpene glycosides는 잎에 주로 축적되며, 가장 적절한 병풀의 수확시기는 9월로 잠적 확인되었다.

병풀 지상부 조직에서 시기별 triterpene glycoside 함량 및 항산화활성 분석 (Analysis of Triterpene Glycoside Levels and Antioxidant Activity in the Different Shoot Tissues of Centella asiatica (L.) Urban)

  • 길영숙;신승미;이동열;정원민;;이신우;김윤희;구영민
    • 생명과학회지
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    • 제28권8호
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    • pp.917-922
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    • 2018
  • 본 연구에서는 약용식물인 병풀의 계절적 생육조건의 변화에 따른 다양한 지상부 조직에서 triterpene glycoside 함량을 조사하기 위해, 20% 에탄올, 메탄올, 물을 이용한 3가지 추출방법을 이용하여 HPLC 분석을 수행하였다. 메탄올 추출방법에서 triterpene glycoside의 추출효율이 가장 높았으며, 특히 madecassoside와 asiaticoside의 값이 계절적인 생육조건의 변화동안 높게 확인되었다. 본 연구에서는 추가적으로 항산화활성을 분석하였으며, ABTs 소거활성은 잎자루에서 높게 확인되었으며, DPPH 소거활성은 메탄올과 에탄올로 추출한 잎조직에서만 높은 결과를 보였다. 총 페놀 및 플라보노이드 함량은 잎 조직에서 사용된 물, 에탄올, 메탄올 추출에 의한 결과가 가장 높은 값을 보였다. 본 연구의 결과로서, 병풀 식물체의 잎 조직에서 계절적 생육 조건 동안 triterpene glycoside 및 항산화활성이 증가함은 병풀의 재배시 madecassoside 및 asiaticoside를 포함한 유용한 주요 대사물질들이 식물체내에서 항상성을 위해 유지되며, 이는 향후 보 다 구체적인 생리활성에 대한 연구가 필요할 것으로 생각되는 바이다.

복분자(覆盆子)의 Triterpene 배당체 (A Triterpene Glycoside in Berries of Rubus coreanus)

  • 김은;김영중
    • 생약학회지
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    • 제18권3호
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    • pp.188-190
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    • 1987
  • A triterpene glycoside was first isolated from berries of Rubus coreanus Miquel in the family of Rosaceae, which have been used as a tonic in chinese drug. The compound was identified as $28-{\beta}-D-glycopyranosyl$ ester of $2{\alpha},3{\beta},19{\alpha},23-tetrahydroxyurs-12-en-28-oic$ acid by IR, MS, $^{1}H-NMR$, $^{13}C-NMR$ spectra.

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Fomitoside K, a New Lanostane Triterpene Glycoside from the Fruiting Body of $Fomitopsis$ $nigra$

  • Lee, In-Kyoung;Jung, Jin-Young;Yeom, Ji-Hee;Ki, Dae-Won;Lee, Myeong-Seok;Yeo, Woon-Hyung;Yun, Bong-Sik
    • Mycobiology
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    • 제40권1호
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    • pp.76-78
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    • 2012
  • In an effort to identify the chemical constituents of fruiting bodies of $Fomitopsis$ $nigra$, a new lanostane triterpene glycoside, designated as fomitoside K, has been isolated from its methanolic extract. Its chemical structure was assigned on the basis of various spectroscopic studies.

A Novel Cycloartane Glycoside from Thalictrum uchiyamai

  • Choi, Young-Hee;Kim, Nan-Gyeong;Lee, Ihn-Ran
    • Archives of Pharmacal Research
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    • 제19권5호
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    • pp.429-431
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    • 1996
  • A new cycloartane glycoside (1) was isolated from the aerial part of Thalictrum uchiyamai Nakai (Ranunculaceae). On the basis of chemical and physicochemical evidence, the aglycone structure of this compound was characterized as 116, 25-dihydroxy-3, 24-diacetoxy-9, 19-cycloartane-29-oic acid, a new derivative of cycloartane triterpene. Also the oli-gosaccharide moiety of this glycoside were determined as 29-O-${alpha}$-L-rhanmnopyranosyl- ($1rightarrow2$)-[${beta}$-D-xylofuranosyl-($1rightarrow6$)-${beta}$-D-glucopyranose by application of HMBC technoque. Consequently, the structure of compound 1 was elucidated as 29-O-${alpha}$-L-rhanmnopyranosy-($1rightarrow2$)-[${beta}$-D-xylofuranosyl-($1rightarrow6$)-${beta}$-D-glucopyranosyl-16, 25-dihydroxy-3, 24-diacetoxy-9, 19-cycloartane-29-oic acid ester.

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A New Lupane-Triterpene Glycoside from the Leaves of Acanthopanax gracilistylus

  • Liu, Xiang-Qian;Chang, Seung-Yeup;Park, Sang-Yong;Nohara, Toshihiro;Yook, Chang-Soo
    • Archives of Pharmacal Research
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    • 제25권6호
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    • pp.831-836
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    • 2002
  • A new and two known lupane-triterpene glycosides were isolated from the hot MeOH fraction of the leaves of Acanthopanax gracilistylus W. W. Smith. Based on the physical properties and spectroscopic data, their chemical structures were determined as acankoreoside A (1), acankoreoside D (2), and $3{\alpha}-hydroxy-lup-23-al-20(29)-en-28-oic$ acid $28-O-{\alpha}-L-rhamnopyranosyl-(1{\rightarrow}4)-{$beta}-D-glucopyranosyl-(1{\rightarrow}6)-{\beta}-D-glucopyranosyl$ ester (3), respectively. To our best knowledge, compand 3 appears to be novel, which was named as wujiapioside A.

Synthesis of $^3H$-Labeled dammarane triterpene glycosides of Korean ginseng

  • Han, Byung-Hoon;Woo, Lin-Keun
    • Archives of Pharmacal Research
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    • 제1권1호
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    • pp.27-32
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    • 1978
  • A procedure of $^3H$-radio labeling synthesis for the dammarane triterpene glycosides of Korean ginseng was established by using the ginsenoside $Rg_1$ as starting material. The protons in $C-{11}$ and $C_{13}$ of the aglycone moiety of the glycoside were exchanged with tritium by keto-enol tautomerization of 12-keto-ginsenoside $Rg_1$ which was prepared by partial acetylation, Sarett oxidation and saponification, producing nona-acetate, nonaside $Rg_1$. The acety1-ketone and 12-keto-derivative of ginsenotritated ketone was reduced by metallic sodium and isoproponol to produce the end product $^3H$-ginsenoside $Rg_1$ with 3% radio-chemical recovery in one experiment.

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병풀 (Centella asiatica L. Urban) 식물체 배양을 이용한 Triterpene Glycoside 생산 (Production of Triterpene Glycosides from Whole Plant Cultures of Centella asiatica (L.) Urban)

  • 김옥태;김민영;박윤정;홍민희;안준철;오만호;황백
    • Journal of Plant Biotechnology
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    • 제29권4호
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    • pp.281-285
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    • 2002
  • 기내에서 병풀의 식물체 배양을 확립하였고 기본배지 설정 및 대량원소들, sucrose 농도가 triterpene glycoside (Made-cassoside와 Asiaticoside: M&A) 생산에 대한 영향을 조사하였다. 병풀 식물체가 각각의 배지에서 배양되었을 때, MS와 RCM배지는 각각 식물체 생장과 M&A 생산에 대해 가장 좋은 결과를 나타냈다. 하지만, M&A에 대해 가장 높은 생산성은 B5 배지로 나타내었다. B5 배지의 대량영양소인 KNO$_3$는 25 mM, NaH$_2$PO$_4$는 1 mM, CaC1$_2$는 1 mM 그리고 MgSO$_4$는 1~10 mM에서 M&A 생산이 최적을 이루거나 증가시켰다. Sucrose를 농도별로 처리했을 때, 6% sucrose 농도에서 가장 높은 M&A 생산을 얻을 수 있었다.

Antithrombotic activities of saponins from Ilex pubescens

  • Han, Yong-Nam;Baik, Soung-Kyung;Kim, Tae-Hee;Han, Byung-Hoon
    • Archives of Pharmacal Research
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    • 제10권2호
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    • pp.115-120
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    • 1987
  • Methanol extract of Ilex pubescens roots prolonged bleeding time threefold, and inhibited the generation of malondialdehyde released during platelet aggregation inducted by thrombin. Through several purification procedures, its saponin, named ilexoside, was proved to be responsible for the antithrombotic activities of the plant. Ilexosides A, -D and -J and 24-carboxypomolic acid showed strong inhibitory activities on platelet aggregation induced by thrombin.

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