+ Translate

Spectrophotometric determination of the spirostan aglycone pennogenin in polygonatum stenophyllum

, : Spectrophotometric determination of the spirostan aglycone pennogenin in polygonatum stenophyllum. Khimiya Prirodnykh Soedinenii (3): 332-336

Pennogenin and its glycosides, polygonatosides, were isolated from the Far Eastern species P. stenophyllum. Their spectrophotometric reactions with sulfuric acid and its aqueous solutions were studied. The reaction with 72% sulfuric acid was used to determine the content of glycoside-bearing pennogenin in roots of P. stenophyllum. The relative error of the determination did not exceed 3%.

(PDF 0-2 workdays service)

Order PDF Full Text


Click here to order any other PDF Full Text

Accession: 006460579

PDF Full Text: Submit

Submit PDF Full Text

No spam - Every submission is manually reviewed

Due to poor quality, we do not accept files from Researchgate

Submitted PDF Full Texts will always be free for everyone
(We only charge for PDFs that we need to acquire)

Select a PDF file:

Other references

Emmerson, P. J.; Clark, M. J.; Mansour, A.; Akil, H.; Woods, J. H.; Medzihradsky, F., 1996: Characterization of opioid agonist efficacy in a C-6 glioma cell line expressing the mu opioid receptor. In C-6 glioma cells stably expressing a homogeneous population of the cloned rat mu opioid receptor, the binding affinities of opioid agonists and subsequent activation of G protein were examined. Opioid receptor number in membranes of these cells...

Stalheim, O. H. V., 1971: Duration of immunity in cattle in response to a viable, avirulent Leptospira pomona vaccine. In two experiments, cattle were given 5 ml of an experimental vaccine consisting of cultures of viable avirulent Leptospira pomona. The vaccine did not cause fever or leptospiruria, and non-vaccinated cattle kept in close contact with vaccinated c...

Sumner Smith, M.; Zheng, Y.; Zhang, Y. P.; Twist, E. M.; Climie, S. C., 1995: Antiherpetic activities of N-alpha-acetyl-nona-D-arginine amide acetate. N-alpha-acetyl-nona-D-arginine amide acetate (ALX40-4C) was developed as a competitive inhibitor of the binding of the HIV Tat protein to its RNA target TAR, which is an intracellular interaction dependent on a short, arginine-rich sequence in Tat...

Mansour M.A., 1981: Metabolic changes induced in lipid metabolism of boskat rabbits by sublethal tetrodo toxication after alpha and beta blockers. The effects of the sublethal dose of tetrodotoxin (Pufferfish poison) on the serum levels of cholesterol, total lipids plasma free fatty acids, serum triglycerides and phospholipids were studied in boskat rabbits. It produced significant increase...

Pollack, Ian F.; Finkelstein, Sydney D.; Woods, Jeffrey; Burnham, Judith; Holmes, Emiko J.; Hamilton, Ronald L.; Yates, Allan J.; Boyett, James M.; Finlay, Jonathan L.; Sposto, Richard, 2002: Expression of p53 and prognosis in children with malignant gliomas. Background The prognosis of children with high-grade gliomas is uncertain, even when clinical and histologic findings are considered. We investigated whether mutations in the TP53 gene or the degree of expression of p53 protein in high-grade gliom...

Likhterman B.V.; Ezhova V.A.; Volkov E.S.; Kunitsyna L.A.; Iskrzhitskaya A.I.; Sokolov B.A.; Gol Dman R.N.; Kornienko E.G., 1968: Significance of bipolar iodine and procaine electrophoresis in combined sanitorium climate treatment of patients with beginning cerebral athero sclerosis. Voprosy Kurortologii Fizioterapii i Lechebnoi Fizicheskoi Kul'tury 33(5): 389-395

Lemelin, P., 1995: Testing models of primate origins Comparison of cheiridial proportions in didelphid marsupials. American Journal of Physical Anthropology 0(SUPPL 20): 133

Price, L. I., 1954: A presenYa de Ptero-sauria no Cretaceo superior do Estado da Paraiba. Notas Serv geol Brasil. 1953; 71: 1-10

Muralidharan, S., 2000: Organochlorine residues in the waters of Keoladeo National Park, Bharatpur, Rajasthan. Residue levels of BHC [HCH] and its isomers, DDT and its metabolites, and aldrin were measured in Keoladeo National Park, Rajasthan, India, during 1989-90. The total level of HCH was 0.004-0.58 p.p.b. in 1989 and 0.05-3.43 p.p.b. in 1990. alpha -...

Castele, Robert J.; Connors, Alfred F.; Altose, Murray D., 1985: Effects of changes in CO2 partial pressure on the sensation of respiratory drive. Journal of Applied Physiology 59: 47-51