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illicium merrillianum/ثنائي أكسيد السيليكون
يتم حفظ الارتباط في الحافظة
10 النتائج
[Chemical constituents of Illicium burmanicum].
يمكن للمستخدمين المسجلين فقط ترجمة المقالات
الدخول التسجيل فى الموقع
Chemical constituents of ethyl acetate extract of Illicium burmanicum were isolated and purified by various chromatographic methods,including Silica gel, Sephadex LH-20, C18 reverse-phased silica gel, Preparative TLC and Preparative HPLC. Their structures were identified by spectral analysis
[Two new sesquiterpene lactones from the pericarp of Illicium macranthum].
يمكن للمستخدمين المسجلين فقط ترجمة المقالات
الدخول التسجيل فى الموقع
Silica gel column chromatography was used for the isolation and purification of the chemical constituents of the pericarp of Illicium macranthum. From dichloromethane-EtOAc (1:1) fraction and EtOAc fraction of the methanol extracts, eleven compounds were identified on the basis of chemical and
[Studies on chemical constituents of Illicium simonsii].
يمكن للمستخدمين المسجلين فقط ترجمة المقالات
الدخول التسجيل فى الموقع
OBJECTIVE
To study the chemical constituents of the Illicium simonsii.
METHODS
The stems and leaves of I. simonsii were extracted with 95% EtOH. The EtOH extract was dispersed in H2O and extracted with petroleum, CHCl3 and BuOH, successively. The CHCl3 and BuOH fractions were isolated and purified
A new sesquiterpene lactone from the fruits of Illicium henryi.
يمكن للمستخدمين المسجلين فقط ترجمة المقالات
الدخول التسجيل فى الموقع
OBJECTIVE
To study the chemical constituents of the fruits of Illicium henryi.
METHODS
Chromatographic separations on silica gel, Sephadex LH-20 gel and MCI gel were used to isolate the compounds. The structures were elucidated based on extensive spectroscopic data analyses.
RESULTS
Seven compounds
[Chemical constituents from roots of Illicium majus].
يمكن للمستخدمين المسجلين فقط ترجمة المقالات
الدخول التسجيل فى الموقع
Ten compounds, including seven sesquiterpenes, two phenols and one phenylpropanoid, were isolated from the roots of Illicium majus by means of silica gel, ODS, Sephadex LH-20, and preparative HPLC. On analysis of MS and NMR spectroscopic data , their structures were established as
[Chemical constituents from rhizomes of Illicium henryi].
يمكن للمستخدمين المسجلين فقط ترجمة المقالات
الدخول التسجيل فى الموقع
OBJECTIVE
To study the chemical constituents of Illicium henryi.
METHODS
Column chromatographic techniques using silica gel, Sephadex LH-20, Rp-8 and Rp-18 as packing materials were applied to isolate constituents. The structures of isolates were determined on the basis of spectroscopic data
[Investigation on seco-prezizaane sesquiterpenes from fruits of Illicium lanceolatum and their neuroprotection activity].
يمكن للمستخدمين المسجلين فقط ترجمة المقالات
الدخول التسجيل فى الموقع
Ten seco-prezizaane sesquiterpenes were isolated from the water-soluble fraction of the fruit of Illicium lanceolatum using the combined methods of silica gel column chromatography,Sephadex LH-20 column chromatography,and RP-preparative HPLC. They were elucidated as majusanol E(
A new phenylpropanoid glycoside from the fruits of Illicium simonsii.
يمكن للمستخدمين المسجلين فقط ترجمة المقالات
الدخول التسجيل فى الموقع
OBJECTIVE
To study the constituents and bioactivity of Illicium simonsii.
METHODS
The extracts of the fruits of Illicium simonsii were submitted to a combination of chromatographic materials, silica gel, ODS column chromatography and finally preparative HPLC to obtain eight compounds which were
[Analysis of volatile oil in Illicium verum fruit by on-line coupled packed capillary liquid chromatography/capillary gas chromatography].
يمكن للمستخدمين المسجلين فقط ترجمة المقالات
الدخول التسجيل فى الموقع
Volatile oil in Illicillm Verum Fruit was analyzed by on-line coupled packed capillary high performance liquid chromatography/capillary gas chromatography (micro-HPLC-CGC). A micro-HPLC column of 250 mm x 0.32 mm i.d. packed with 5 microm cyano-bonded silica stationary phase was used for group
Toxicity of the essential oil of Illicium difengpi stem bark and its constituent compounds towards two grain storage insects.
يمكن للمستخدمين المسجلين فقط ترجمة المقالات
الدخول التسجيل فى الموقع
During our screening program for new agrochemicals from Chinese medicinal herbs, the essential oil of Illicium difengpi stem bark was found to possess strong insecticidal activities against the maize weevil, Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae) and red flour beetle, Tribolium
قاعدة بيانات الأعشاب الطبية الأكثر اكتمالا التي يدعمها العلم
- يعمل في 55 لغة
- العلاجات العشبية مدعومة بالعلم
- التعرف على الأعشاب بالصورة
- خريطة GPS تفاعلية - ضع علامة على الأعشاب في الموقع (قريبًا)
- اقرأ المنشورات العلمية المتعلقة ببحثك
- البحث عن الأعشاب الطبية من آثارها
- نظّم اهتماماتك وابقَ على اطلاع دائم بأبحاث الأخبار والتجارب السريرية وبراءات الاختراع
اكتب أحد الأعراض أو المرض واقرأ عن الأعشاب التي قد تساعد ، واكتب عشبًا واطلع على الأمراض والأعراض التي تستخدم ضدها.
* تستند جميع المعلومات إلى البحوث العلمية المنشورة
