Hydrothermal Extraction of Valuable Components from Leaves and Petioles from Paulownia elongata x fortunei

2020 ◽  
Author(s):  
Paula Rodríguez-Seoane ◽  
Cristina del Pozo ◽  
Neus Puy ◽  
Jordi Bartrolí ◽  
Herminia Domínguez
Keyword(s):  
Hydrothermal Extraction ◽  
Paulownia Elongata

scholarly journals Natural Antimicrobials from Cloudberry (Rubus chamaemorus) Seeds by Sanding and Hydrothermal Extraction

2021 ◽  
Author(s):  
Riitta Puupponen-Pimiä ◽  
Liisa Nohynek ◽  
Jussi Suvanto ◽  
Juha-Pekka Salminen ◽  
Tuulikki Seppänen-Laakso ◽  
...  
Keyword(s):  
Natural Antimicrobials ◽  
Rubus Chamaemorus ◽  
Hydrothermal Extraction

Optimizing plant regeneration and genetic transformation of Paulownia elongata

2021 ◽  
pp. 101970
Author(s):  
Richa Bajaj ◽  
Lani M. Irvin ◽  
Brajesh Nanda Vaidya ◽  
Sadanand A. Dhekney ◽  
Nirmal Joshee
Keyword(s):  
Plant Regeneration ◽  
Genetic Transformation ◽  
Paulownia Elongata

scholarly journals Transcriptomic profiling of Paulownia elongata in response to heat stress

Plant Gene ◽  
2021 ◽  
pp. 100330
Author(s):  
Neerja Katiyar ◽  
Niveditha Ramadoss ◽  
Dinesh Gupta ◽  
Suman B. Pakala ◽  
Kerry Cooper ◽  
...  
Keyword(s):  
Heat Stress ◽  
Transcriptomic Profiling ◽  
Paulownia Elongata

scholarly journals The research of some physical properties of wood Paulownia elongata and Paulownia fortuneii

2003 ◽  
pp. 211-221
Author(s):  
Borislav Soskic ◽  
Aleksandar Lovric ◽  
Boda Vukovojac
Keyword(s):  
Physical Properties ◽  
Wood Species ◽  
Tension Wood ◽  
Wood Products ◽  
Similar Species ◽  
Study Material ◽  
Hygroscopic Moisture ◽  
Study Results ◽  
Shrinkage And Swelling ◽  
Paulownia Elongata

The density, shrinkage and swelling of Paulownia elongata and P. fortuneii wood were researched. The study material was provided by Boda Vukovojac, B. Sc., who established the Paulownia plantation and sample plots on the territory of the Municipality Bela Crkva. The study results show the differences between the analyzed properties of these two species. The study results were also compared with the results of the similar species of wood. The data shows that the study wood can be used in wood products that are not subject to great loads during exploitation. Further study should investigate the liability of these wood species to form tension wood and deformations in the conditions of variable hygroscopic moisture.

scholarly journals Contents of the heavy metals nickel and lead in leaves of Paulownia elongata S.Y. Hu and Paulownia fortunei Hems. in Serbia

2009 ◽  
Vol 61 (4) ◽  
pp. 827-834 ◽  
Author(s):  
Dragica Stankovic ◽  
Ruzica Igic ◽  
Mirjana Sijacic-Nikolic ◽  
Dragica Vilotic ◽  
Slobodanka Pajevic
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Metal Pollution ◽  
Heavy Metal Pollution ◽  
Experimental Plot ◽  
Protection Zones ◽  
Pollution Research ◽  
Paulownia Fortunei ◽  
Urban Conditions ◽  
Paulownia Elongata

A comparative study was carried out on the capabilities of the two species Paulownia elongata S. Y. Hu and Paulownia fortunei Hems. as biomonitors of atmospheric (and soil) heavy-metal pollution. Research on content of the heavy metals nickel (Ni) and lead (Pb) in leaves of the species Paulownia elongata growing under urban and suburban conditions with the comparison to the concentration of these elements in leaves of the species Paulownia elongata and Paulownia fortunei on an experimental plot in Bela Crkva showed average nickel concentrations of 2.7 ?g/g on the experimental plot in Bela Crkva, Serbia, twice as low as the concentrations measured under extreme urban conditions (6.62 ?g/g, or 4.54 ?g/g in the immediate vicinity of suburban traffic lines). Inasmuch as Paulownia elongata endures urban conditions well, it can be recommended for cultivation in parks, tree alleys, and wind-protection zones along urban and regional traffic lines.

scholarly journals The influence of surface finishing of Paulownia Siebold et Zucc. on the mechanical properties of lacquered surface

2010 ◽  
pp. 7-23
Author(s):  
Milan Jaic ◽  
Jovan Dobic ◽  
Tanja Palija
Keyword(s):  
Mechanical Properties ◽  
Abrasion Resistance ◽  
Scratch Resistance ◽  
Surface Finishing ◽  
Coating Application ◽  
Acrylic Coating ◽  
Acrylic Coatings ◽  
Paulownia Fortunei ◽  
Free Falling ◽  
Paulownia Elongata

This paper presents the research of influence of sanding, staining and the use of polyurethane and acrylic coating on the adhesion, scratch resistance and abrasion resistance of the coating. Objective was to determine the most important mechanical properties of lacquered surfaces, considering the application of Paulownia elongata and Paulownia fortunei, by using different systems of surface finishing. Cross cut method was used for measurement of adhesion. More accurate view of coating adhesion was obtained by measuring the scratch resistance. Abrasion resistance was tested by the method of free falling of abrasive particles. The applied system of sanding had no effect on the examined mechanical properties. Stained samples lacquered with PU coating showed better adhesion to the non-stained samples. Impact of staining on scratch resistance is not established. Stained samples showed greater resistance to abrasion for both wood species. Samples lacquered with PU coating showed the higher values of mechanical properties compared with samples lacquered with UV acrylic coating. Application of PU coating for surface finishing of Paulownia elongata and Paulownia fortunei is more adequate than the application of UV acrylic coatings, from the point of scratch resistance and abrasion resistance.

scholarly journals Microwave-assisted hydrothermal extraction of non-structural carbohydrates and hemicelluloses from tobacco biomass

2019 ◽  
Vol 223 ◽  
pp. 115043 ◽  
Author(s):  
Yuan Yuan ◽  
Ping Zou ◽  
Jinhui Zhou ◽  
Yuting Geng ◽  
Jiajun Fan ◽  
...  
Keyword(s):  
Microwave Assisted ◽  
Hydrothermal Extraction

Hydrothermal extraction of aluminum from solutions of storage tanks of PO Mayak

2014 ◽  
Vol 48 (4) ◽  
pp. 509-517
Author(s):  
P. V. Kozlov ◽  
M. B. Remizov ◽  
A. A. Kazadaev ◽  
V. A. Orlova ◽  
D. D. Galuzin ◽  
...  
Keyword(s):  
Storage Tanks ◽  
Hydrothermal Extraction

scholarly journals The Effect of Operating Conditions on Curcumin Extracted from Turmeric by Hydrothermal Extraction

2019 ◽  
Vol 125 ◽  
pp. 19001
Author(s):  
Mohamad Endy Yulianto ◽  
Rizka Amalia ◽  
Vita Paramita ◽  
Indah Hartati ◽  
Nissa Ayu Maulinda ◽  
...  
Keyword(s):  
High Efficiency ◽  
Economic Value ◽  
Bioactive Compound ◽  
Extraction Process ◽  
Operating Conditions ◽  
Extraction Temperature ◽  
Liquid Ratio ◽  
High Concentration ◽  
Solid Liquid ◽  
Hydrothermal Extraction

Turmeric has a bioactive compound namely curcuminoid. It has many pharmacology effects such as anticancer, antidiabetic, antioxidant, hypolipidemic, anti-inflammatory, antimicrobial, antifertility, anti-venom, anti-coagulant, anti-HIV hepatoprotective, nephroprotective, and anticoagulant properties. To increase the economic value of turmeric, it is necessary to develop a hydrothermal extraction process of turmeric’s active compound. The advantages of hydrothermal extraction were inexpensive, abundant availability, high purity, non-toxic, and easy to handle. This research aims to study the effect of operating conditions : temperature (130-150oC), time (10-40 minutes) and solid:liquid ratio (1:10 and 1:12) on the bioactive compounds of turmeric extracted from hydrothermal extraction process. Generally, high extraction yield was obtained at higher extraction temperature (140 and 150oC). Under these conditions, with a lower solid : liquid ratio (1:10), high concentration of curcumin is produced. Further, a higher solid : liquid ratio will likely produce the opposite result, except when it operates at low extraction temperature. The high temperature of the pressurized liquid water can reduce the viscosity and surface tension of water so it will increase the diffusion rates and absorption. The higher the solid:liquid ratio, the greater the different concentration between interior and exterior cell, which promote the high efficiency of diffusion process.

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