Chemistry of Natural Compounds

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Production of cellulose-containing intermediates from the wood of broad-leaved and coniferous species using its treatment under the conditions of explosive autohydrolysis
Chemistry of Natural Compounds - Tập 34 - Trang 643-646 - 2013
A. A. Efremov, I. V. Krotova
The influence of the technological parameters of the process of explosive autohydrolysis of the wood of aspen, pine, and spruce on the yield and composition of cellulose-containing intermediates has been studied. It has been established that with a rise in temperature and an increase in the time of explosive autohydrolysis the yield of technical cellulose falls and the content of Kürschner cellulo...... hiện toàn bộ
The nature of the polar resin acids in fir oleoresins
Chemistry of Natural Compounds - Tập 22 Số 4 - Trang 488-489 - 1986
В. А. Ралдугин, O. V. Sudakova, V. I. Bol'shakova, N. I. Yaroshenko, É. N. Shmidt, V. A. Pentegova
Polysaccharides ofPlantago major
Chemistry of Natural Compounds - Tập 3 - Trang 65-67 - 1967
A. G. Gorin
1. The partial hydrolysis of the polysaccharide of the leaves ofPlantago major L. has given degraded pectic acid. 2. A study of the physicochemical properties and IR spectra of the polygalacturonide and the products of its periodate-nitric acid oxidation has shown that the galacturonic acid residues in degraded pectic acid are in the pyranose from and are linked by a-0-1-4 bonds.
Synthesis and Structural Studies of N-Heterocyclic Schiff Bases of Allobetulamine
Chemistry of Natural Compounds - - 2022
M. S. Denisov, М. В. Дмитриев, O. N. Gagarskikh, В. А. Глушков
Volatile Compounds of Strawberry Varieties
Chemistry of Natural Compounds - Tập 52 - Trang 507-509 - 2016
A. T. Oz, G. Baktemur, S. Paydas Kargi, E. Kafkas
A study of the products of the hydrolysis of the xylan ofMelilotus albus by endo-1 4-β-xylanase
Chemistry of Natural Compounds - Tập 16 - Trang 338-342 - 1980
M. S. Dudkin, N. A. Rodionova, I. S. Kazanskaya, I. V. Gorbacheva, E. I. Kozarez, N. A. Denisyuk
The enzymatic hydrolysis of a 4-0-methylglucuronoxylan of white sweetclover (Melilotus albus) by a highly purified homogeneous endo-1, 4-β-xylanase fromAspergillus niger 14 has shown that the enzyme hydrolyzes 97% of the polysaccharide in 72 h. Acidic and neutral oligosaccharides were found in the hydrolysate after the action of the enzyme. An investigation of the hexauronic acid isolated has show...... hiện toàn bộ
Chemical composition of Artemisia hippolyti
Chemistry of Natural Compounds - - 2013
G. A. Atazhanova, O. G. Ryazantsev, A. E. Esenbaeva, B. S. Temirgaziev, A. N. Kupriyanov, S. M. Adekenov
A comparison of the Björkmann lignins from larch and fir woods
Chemistry of Natural Compounds - Tập 3 - Trang 120-121 - 1967
I. L. Shapiro, Yu. S. Pilipchuk, R. Z. Pen
Study of the carbohydrate chains of panaxosides B′ and C, glycosides from the roots ofPanax ginseng
Chemistry of Natural Compounds - Tập 6 - Trang 312-315 - 1970
N. I. Uvarova, N. A. Ferens, G. I. Shaposhnikova, G. B. Elyakov
It has been found that panaxosides B′ and C are triosides containing two carbohydrate chains, in which the monosaccaride residues are connected by a 1 → 2 bond. The carbohydrate moiety of panaxoside B′ contains glucose and that of panaxoside C contains glucose and rhamnose (2:1).
Aspergicin, a new antibacterial alkaloid produced by mixed fermentation of two marine-derived mangrove epiphytic fungi
Chemistry of Natural Compounds - Tập 47 - Trang 767-769 - 2011
Feng Zhu, Guangying Chen, Xin Chen, Meizhen Huang, Xueqin Wan
A new alkaloid designated as aspergicin (1), together with a previous secondary metabolite, neoaspergillic acid (2), and a common compound, ergosterol (3), were isolated from the mixed cultured mycelia of two marine-derived mangrove epiphytic Aspergillus sp. fungi. Extensive application of 1D and 2D NMR techniques was made to characterize the structure and to establish the 1H and 13 C assignments ...... hiện toàn bộ
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