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The amount of water-soluble proteins in bud meristem of Larix sibirica L., Picea obovata L., and Abies sibirica L. was shown to increase by 2-3 times in autumn during development of low-temperature resistance. The fractional composition
of water-soluble proteins of the studied species and the amino-acid composition of groups of water-soluble proteins with different
molecular weight (MW) were similar. Nitrogen accumulated as aspartic acid, glycine, and alanine in high- and medium-molecular-weight
proteins. The peptides (MW < 5 kDa) typically had a high content of hydrophobic proline and hydrophilic tyrosine. 相似文献
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E. V. Van R. Kh. Shakhidoyatov N. K. Khidyrova N. I. Mukarramov Kh. M. Shakhidoyatov 《Chemistry of Natural Compounds》2009,45(6):775-778
The accumulation dynamics of polyprenols in leaves of 1-, 2-, and 3-year-old Althaea armeniaca growing in Tashkent were studied
according to vegetative phase. Optimal conditions for isolating the polyprenols were determined. It has been shown that the
content of polyprenols was highest during fruiting in the second year of growth. 相似文献
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Anita Kovács I. Csóka Magdolna Kónya E. Csányi A. Fehér I. Erős 《Journal of Thermal Analysis and Calorimetry》2005,82(2):491-497
Summary The properties of the inner and the external aqueous phases, were studied in w/o/w multiple emulsions with light microscopic image analysis and differential scanning calorimetry (DSC). The importance of multiple
emulsions lies in the presence of these aqueous phases, making them available for sustained, controlled drug delivery systems.
Differentiation of these two aqueous phases, studying the effect of manufacturing technology on droplet structure, quantitative
determination of phase volumes and any changes occurring during storage are essential when planning w/o/w emulsions. The present study uses microscopic observations combined with DSC measurements in order to identify the formed
structure, at developmental stage in case of different components, preparation methods, and stirring rates. These tools are
beneficial during manufacturing as in process controls, or to ensure product quality. 相似文献
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