Institute of Natural Fibres and Medicinal Plants

Poznań, Poland

Institute of Natural Fibres and Medicinal Plants

Poznań, Poland
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Ozarowski M.,Poznan University of Medical Sciences | Ozarowski M.,Institute of Natural Fibres and Medicinal Plants | Thiem B.,Poznan University of Medical Sciences
Brazilian Journal of Pharmacognosy | Year: 2013

Micropropagation of Passiflora species and its hybrids may play an important role in the production of healthy and disease-free plants which can be a source of medicinal herbal products, nutritional fruits and ornamental flowers. The rapid multiplication of elite plants to obtain pharmacognostic material, containing valuable flavonoid C-glycosides, is possible by usingcontrolled in vitro conditions, constituents of the medium and the interactions of plant growth regulators (1-naphtaleneacetic acid, benzyladenine, gibberellin GA3,kinetin, indole-3-acetyl-L-aspartic acid, indole-3-butyric acid, thidiazuron) and influencing various chemical additives (silver nitrate, coconut water, activated charcoal). Investigations of specific requirements during stages of micropropagation, such as the establishment of primary cultures (including type of explants, age of donor plant), shoot multiplication (by direct and indirect organogenesis and embryogenesis), rooting and acclimatization of regenerated plants are summarized in this review. The following species were recently studied for micropropagation: P. alata, P. caerulea, P. cincinnata, P. edulis, P. foetida, P. setacea, P. suberosa. It seems that for awide range of applications of in vitro clones of Passiflora, interdisciplinary studies including genetic and phytochemical aspects are needed. © 2013 Brazilian Society of Pharmacognosy.

Bocianowski J.,University of Life Sciences in Poznań | Seidler-Lozykowska K.,Institute of Natural Fibres and Medicinal Plants
Industrial Crops and Products | Year: 2012

Application of molecular markers makes the selection process much more effective. Marker assisted selection is an important tool for plant breeders to increase the efficiency of a breeding process, especially for multigenic traits, highly influenced by the environment. In this paper the relationships between RAPD markers and 22 quantitative traits of caraway (Carum carvi L.) were analyzed. Significant associations of 44 markers with at least one trait in 2004 as well as 48 in 2005 were found on the basis of regression analysis. The proportion of total phenotypic variances of individual trait explained by the marker ranged from 13.8% to 47.6%. © 2011 Elsevier B.V.

Seidler-Lozykowska K.,Institute of Natural Fibres and Medicinal Plants | Bocianowski J.,University of Life Sciences in Poznań
Industrial Crops and Products | Year: 2012

In the experiments done in 2008 and 2009, 23 selected caraway genotypes originating from European botanical gardens (18), cv. " Kończewicki" and our own breeding strains were tested. The obtained results showed that objects of the caraway collection varied in terms of all the tested morphological traits. The plant height ranged from 71.5. cm (Reykjawik) to 107.8. cm (cv. " Kończewicki" ). The number of branches on the main stem was from 5.3 (Reykjawik) to 10.0 (Jena). The number of lateral shoots ranged from 9.8 (Reykjawik) to 21.5 (strain 9/10). The leaf length was from 11.9. cm (Lousanne) to 29.1. cm (cv. " Kończewicki" ). The number of umbels per plant varied from 91.4 (Reykjawik) to 251.9 (strain 9/10). The fruit yield ranged from 14.2. g (Reykjawik) to 48.5. g (cv. " Kończewicki" ). The weight of 1000 seeds was from 1.81. g (Salzburg) to 3.31. g (strain 9/1). The following morphological traits such as the number of umbels per plant, the number of lateral shoots per plant and weight of a thousand seeds had positive effect on fruit yield. The multidimensional analysis of the tested traits compared caraway objects in respect of eight morphological traits and yield simultaneously. These valuation of caraway genotypes will make it possible to choose the appropriate genotypes for further breeding program. © 2011 Elsevier B.V.

Zubek S.,Jagiellonian University | Mielcarek S.,Institute of Natural Fibres and Medicinal Plants | Turnau K.,Jagiellonian University
Mycorrhiza | Year: 2012

Hypericum perforatum L. (St. John's-wort, Hypericaceae) is a valuable medicinal plant species cultivated for pharmaceutical purposes. Although the chemical composition and pharmacological activities of H. perforatum have been well studied, no data are available concerning the influence of arbuscular mycorrhizal fungi (AMF) on this important herb. A laboratory experiment was therefore conducted in order to test three AMF inocula on H. perforatum with a view to show whether AMF could influence plant vitality (biomass and photosynthetic activity) and the production of the most valuable secondary metabolites, namely anthraquinone derivatives (hypericin and pseudohypericin) as well as the prenylated phloroglucinol-hyperforin. The following treatments were prepared: (1) control-sterile soil without AMF inoculation, (2) Rhizophagus intraradices (syn. Glomus intraradices), (3) Funneliformis mosseae (syn. Glomus mosseae), and (4) an AMF Mix which contained: Funneliformis constrictum (syn. Glomus constrictum), Funneliformis geosporum (syn. Glomus geosporum), F. mosseae, and R. intraradices. The application of R. intraradices inoculum resulted in the highest mycorrhizal colonization, whereas the lowest values of mycorrhizal parameters were detected in the AMF Mix. There were no statistically significant differences in H. perforatum shoot mass in any of the treatments. However, we found AMF species specificity in the stimulation of H. perforatum photosynthetic activity and the production of secondary metabolites. Inoculation with the AMF Mix resulted in higher photosynthetic performance index (PI total) values in comparison to all the other treatments. The plants inoculated with R. intraradices and the AMF Mix were characterized by a higher concentration of hypericin and pseudohypericin in the shoots. However, no differences in the content of these metabolites were detected after the application of F. mosseae. In the case of hyperforin, no significant differences were found between the control plants and those inoculated with any of the AMF applied. The enhanced content of anthraquinone derivatives and, at the same time, better plant vitality suggest that the improved production of these metabolites was a result of the positive effect of the applied AMF strains on H. perforatum. This could be due to improved mineral nutrition or to AMF-induced changes in the phytohormonal balance. Our results are promising from the biotechnological point of view, i. e. the future inoculation of H. perforatum with AMF in order to improve the quality of medicinal plant raw material obtained from cultivation. © 2011 The Author(s).

Walentowska J.,Institute of Natural Fibres and Medicinal Plants | Foksowicz-Flaczyk J.,Institute of Natural Fibres and Medicinal Plants
International Biodeterioration and Biodegradation | Year: 2013

The study was aimed at increasing the resistance of lignocellulosic textiles to bacteria and mould action using a biocide of plant origin. The biocide used in the study was thyme essential oil. This kind of oil is characterized by low toxicity for humans and the environment. The antimicrobial efficiency of thyme essential oil applied to linen-cotton blended fabric and linen fabric was evaluated by determining bacterial growth, degree of mould growth, and their impact on fabric strength. Thyme essential oil applied as 8% concentration in methanol to linen-cotton blended fabric showed very high antibacterial and antifungal activity - no mould growth and no significant loss of breaking force were observed. Microscopic evaluation of the tested fabrics was also performed by Scanning Electron Microscopy. Applying the eco-friendly biocide to fabrics containing natural fibres in the finishing process produces antimicrobial barrier properties. © 2012 Elsevier Ltd.

Seidler-Lozykowska K.,Institute of Natural Fibres and Medicinal Plants
Journal of Essential Oil Research | Year: 2010

In 1994-2003 samples of chamomile flowers were analyzed in order to determine the essential oil, α-bisabolol and chamazulene content. The correlation between changes in weather conditions and these active compound contents was estimated to understand the reason of significant differences over the years. The results showed different reactions of chamomile genotypes to weather conditions. High temperature and intensive insolation had a negative effect on the oil content, whereas it had a strongly positive effect on the α-bisabolol content. © 2010 Allured Business Media.

Czaplicki Z.,Institute of Natural Fibres and Medicinal Plants
Fibres and Textiles in Eastern Europe | Year: 2012

This paper reports on the structure and most significant parameters of wool from alpacas bred in Poland. The external and internal structures of the fibre were evaluated based on microscopic observations of the fibre surface and cross sections. It was determined that both the surfaces and cross sections of the alpaca fibres show differences when compared to wool fibres. The diameter, which is the most important fibre parameter, was measured using three methods (including the Laser-Scan method).Investigations were made on 15 samples taken from various alpacas from a herd of 120 animals. Depending on the investigation method used, certain differences in the fibre diameter were observed. An analysis showed that the results of measurements of alpaca wool diameter best correlate when using the scanning electron microscopy and Laser-Scan methods. Large variations in the fibre thickness of the various samples prove the non-uniformity of wool from the whole alpaca herd, indicating that alpacas are bred in an uncontrolled (random) way.

Foksowicz-Flaczyk J.,Institute of Natural Fibres and Medicinal Plants | Walentowska J.,Institute of Natural Fibres and Medicinal Plants
International Biodeterioration and Biodegradation | Year: 2013

This study aimed at improving the functionality of linen fabric by antimicrobial finishing with the use of ionic liquid, i.e., quaternary ammonium salt. Antimicrobial activity of ionic liquids strongly depends on their structure. An ammonium-based ionic liquid with nitrate anion named didecyldimethylammonium nitrate - [DDA][NO3] -was tested. The study included testing the susceptibility of linen fabric protected with this salt to the biodeterioration process with special attention paid to fungi resistance. Finished linen fabric was tested in relation to the action of five mildew mixtures. The degree of microorganism growth and its effect on physical-mechanical properties of the fabrics were evaluated. The antimicrobial effectiveness of ionic liquid applied to linen fabric was determined by the use of SEM. Applying this biocide in the finishing processes of natural textile materials allows the attainment of antimicrobial barrier properties. © 2012 Elsevier Ltd.

Zimniewska M.,Institute of Natural Fibres and Medicinal Plants
Fibres and Textiles in Eastern Europe | Year: 2015

This paper describes the examination of raw flax fibres in terms of their antioxidant activity. Fibres originating from five varieties of flax plants cultivated in Poland: Artemida, Modran, Sara, Nike and Luna were extracted with the application of different methods: dew retting and water retting. The extraction method has an influence on the fibre chemical composition, resulting in different levels of fibre antioxidant properties. The antioxidant activity of flax fibres was evaluated with the application of ferric ion reducing antioxidant power (FRAP). The results of the study indicated differences in the bioactivity of flax fibres linked with the method of their extraction applied as well as the lignin and phenolic acid content in the fibre chemical composition. © 2015, Institute of Biopolymers and Chemical Fibres. All rights reserved.

Konczewicz W.,Institute of Natural Fibres and Medicinal Plants
Textile Research Journal | Year: 2015

The study presents physical phenomena that occur in the physical–mechanical process of degumming of fiber from flax straw. Moreover, the effect of liquid flow through the straw has been determined by analysis of the mass exchange (motion) according to the principles of fluid mechanics.It was shown that conditions of the degumming process, especially the temperature, have a significant effect on acceleration of the mass exchange.The analyses of the results indicated that the developed model laboratory device allowed for evaluation of the mechanism of mass exchange by slow laminar liquid flow. The evaluation of the degumming process with convective mass motion at a higher speed of liquid flow was based on model tests of hydrodynamic washing of three types of gels: fruit pectin, animal gelatin and starch from linen fabrics. It was shown that temperature is a decisive factor affecting the washing out of gels. Better washing out was achieved by using diffusive penetration of water into the gel structure at the initial phase of the process. Using the dynamic washing out of the gels with a water stream of high flow speed (at the m/s range) shortened considerably the washing time. © The Author(s) 2014 Reprints and permissions:

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