Results 141 to 150 of about 1,445 (187)
Characterization of cis-polyisoprene produced in Periploca sepium, a novel promising alternative source of natural rubber. [PDF]
Commun BiolYong J +5 more
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Caracterización de argentatinas en guayule (Parthenium argentatum A. Gray)
En la actualidad, la búsqueda de nuevas fuentes de caucho es necesaria debido a su elevada demanda y a que su suministro a medio plazo no está garantizado. Por ello, el arbusto conocido como guayule (Parthenium argentatum A. Gray) se está estudiando para suplir la demanda requerida.
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Optimizing boron application methods and dosages to enhance jute (Corchorus olitorius) seed yield and quality under sub-tropical climate. [PDF]
HeliyonKumar T +6 more
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Triterpenoids from Parthenium argentatum x P. tomentosa
Phytochemistry, 2002Four tetracyclic triterpenoids and lupeol were isolated from the hybrid Parthenium argentatum x P. tomentosa. The new triterpenoids were identified as 16, 24-epoxy-3 alpha-hydroxylanost-8-ene (argentatin E); 16, 24-epoxy-25-hydroxycycloart-1, 11, 22-trien-3-one (argentatin F); 16,24-dihydroxycycloart-20, 25-dien-3-one (argentatin G) and 16, 24 ...
Galal T, Maatooq +4 more
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Micropropagation of Guayule (Parthenium argentatum)
1992Guayule is a member of the family Compositae, and belongs to the genus Parthenium (Fig. 1). It is a rubber-producing shrub, native to a semi-arid area in north-central Mexico and southwestern Texas, USA. The plant, with chromosome numbers of 2n = 36 to 108 or more, has narrow leaves, covered in a drought-protecting white wax, that alternate along the ...
Huizhu Xu, Minzhi Qian
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Parthenain, a protease from Parthenium argentatum
Phytochemistry, 1988Abstract A homogeneous protease, parthenain, was isolated from Parthenium argentatum . The enzyme has serine at the active site and a dependence on free histidine residues. It is a glycoprotein of M r , about 63 000 and is composed of a single unit of pI 4.6. The enzyme has a preference for neutrally charged amino acid residues in oxidized insulin
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Notes on Parthenium Argentatum A. Gray (Asteraceae)
Indian Journal of Forestry, 2014Parthenium argentatum A. Gray, an introduced species is reported on the basis of herbarium specimens prepared from cultivated plant. A brief description alongwith distribution, ecological observation, illustration, photographs, etc. are provided herewith to facilitate easy identification of the species.
Jeetendra Vaishya +2 more
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Antifungal eudesmanoids from Parthenium argentatum x P. tomentosa
Phytochemistry, 1996Abstract Investigation of guayule resin for antifungal activity has led to the isolation and characterization of six eudesmane-type sesquiterpenoids, five of which are new: 2-methoxy-eudesma-1,4,6-trien-3-one (argentone); 2-methoxy-15-nor-eudesma-1,4,6-trien-3-one (15-nor-argentone); 2-methoxy-15-hydroxy-eudesma-1,4,6-trien-3-one (15-hydroxy ...
Galal T. Maatooq +4 more
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Parthenium species of potential use in the improvement of guayule, Parthenium argentatum
Journal of Arid Environments, 1986Guayule, Parthenium argentatum, a desert shrub indigenous to Mexico, has been used at various times in the past for the production of natural rubber. A revived interest in this plant as a rubber source has led to attempts to domesticate it and develop improved varieties.
V.B. Youngner +3 more
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