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alpha-Glucosidase inhibitors from the seeds of Syagrus romanzoffiana.
Hypoglycemic diterpenoids from Tinospora crispa.
- Sio-Hong Lam, Chi-Tun Ruan, Po-Hung Hsieh, M. Su, Shoei‐Sheng Lee
- ChemistryJournal of natural products
- 27 January 2012
Intraperitoneal injection of 4 and 6 showed significant lowering of plasma glucose levels in normal and streptozotocin-induced type 1 diabetic mice, accounting for the hypoglycemic effect of borapetoside C.
Chemical investigation of Phyllanthus reticulatus by HPLC-SPE-NMR and conventional methods.
- Sio-Hong Lam, Chen-Yu Wang, Chien-Kuang Chen, Shoei‐Sheng Lee
- Chemistry, MedicinePhytochemical analysis : PCA
- 1 May 2007
This study demonstrates that HPLC-SPE-NMR is very useful for thorough chemical investigation and also offers the advantages of saving time, plant materials and consumables over more conventional methods.
Borapetoside C from Tinospora crispa improves insulin sensitivity in diabetic mice.
Hypoglycemic action of borapetoside A from the plant Tinospora crispa in mice.
Rapid screening of lignans from Phyllanthus myrtifolius and stilbenoids from Syagrus romanzoffiana by HPLC-SPE-NMR.
- Chen-Yu Wang, Sio-Hong Lam, L. Tseng, Shoei‐Sheng Lee
- ChemistryPhytochemical analysis : PCA
- 1 July 2011
HPLC-SPE-NMR associated with HR-ESI/MS, which consumed only analytical amounts of partially purified mixtures, was demonstrated to be a good tool for rapid screening of both known and new natural products.
Investigation of Flavonoid Glycosides from Neolitsea Sericea var. Aurata via the General Method and HPLC‐SPE‐NMR
Six flavonoid rhamnosides(1-2,4-7) wereseparated fromthewater-solublenon-alkaloidalportion of the EtOH extract of the leaves ofNeolitsea sericea var. auratausing various chromatographic techniques…
Preparation of secolycorines against acetylcholinesterase.
Unusual stilbenoids and a stilbenolignan from seeds of Syagrus romanzoffiana.
Chemical Constituents of Vigna luteola and Their Anti-inflammatory Bioactivity
Seventy-three compounds were identified from the methanol extract of V. luteola, and among these, three new (1–3) were characterized by spectroscopic and mass spectrometric analyses. The isolated…