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Wyświetlanie 1-10 z 193
Tytuł:
Pollen morphology of Polish native species of the Rosa genus (Rosaceae) and its relation to systematics
Autorzy:
Wronska-Pilarek, D.
Tematy:
pollen morphology
Polish species
native species
Rosa
Rosaceae
systematics
Caninae
Gallicanae
taxonomy
Rosa agrestis
Rosa canina
Rosa dumalis
Rosa gallica
Rosa inodora
Rosa jundzillii
Rosa kostrakiewiczii
Rosa majalis
Rosa micrantha
Rosa mollis
Rosa pendulina
Rosa rubiginosa
Rosa sherardii
Rosa tomentosa
Rosa villosa
Rosa zalana
Pokaż więcej
Wydawca:
Polskie Towarzystwo Botaniczne
Powiązania:
https://bibliotekanauki.pl/articles/57587.pdf  Link otwiera się w nowym oknie
Opis:
The morphology of pollen grains of 16 species from the Rosa L. genus were studied (i.e. R. agrestis, R. canina, R. dumalis, R. gallica, R. inodora, R. jundzillii, R. kostrakiewiczii, R. majalis, R. micrantha, R. mollis, R. pendulina, R. rubiginosa, R. sherardii, R. tomentosa, R. villosa, and R. zalana). The material came from 16 native localities of those species in Poland. The measurements are based on at least 30-50 randomly selected, fully developed pollen grains per specimen. In total, 500 pollen grains were examined. They were analysed for 13 quantitative features of pollen grains and exine sculpturing and the following qualitative traits: outline, shape, "operculum" structure. The diagnostic features of pollen grains of studied species were: length of polar and equatorial axes and length of ectocolpi. The above-mentioned pollen grain morphological features make isolation of one species possible: R. gallica. R. gallica is distinguished for its highest values of the length of polar and equatorial axes, and the length of ectocolpi. The obtained analytical results of operculum and exine sculpture features, considered as diagnostic, corroborated only slightly their priority significance for the isolation of the examined species and sections. The collected data failed to confirm fully the current taxonomical division of the Rosa genus into sections (only section Gallicanae from R. gallica is isolated) as well as consanguinity relationships between the examined species from the Caninae section. On the dendrogram, both species closely related with each other as well as those from other developmental lines were found in the same group. These equivocal results are by no means surprising because the Caninae section is the most polymorphic group in the Rosa genus, and contemporary Caninae are of the nature of a swarm of R. canina hybrids as a link combining all taxons of the section.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphological and biochemical diversity in fruits of unsprayed Rosa canina and Rosa dumalis ecotypes found in different agroecological conditions
Autorzy:
Szopa, Agnieszka
Ercisli, Sezai
Karatas, Neva
Bozhuyuk, Mehmet Ramazan
Ekiert, Halina
Elansary, Hosam O.
Opis:
The Rosa is one of the most diverse genera in the plant kingdom and, in particular, its fruits have been used for multiple purposes in different parts of the world for centuries. Within the genus, Rosa canina and Rosa dumalis are, economically, the most important species and dominate Rosa fruit production. In this study, some important fruit and shrub traits of ten Rosa canina and ten Rosa dumalis ecotypes collected from rural areas of Kars province, located in the east Anatolia region of Turkey were investigated. We found significant differences among ecotypes in most of the morphological and biochemical traits. The ecotypes were found between 1446–2210 m altitude. Fruit weight and fruit flesh ratio ranged from 2.95 g to 4.72 g and 62.55% to 74.42%, respectively. SSC (Soluble Solid Content), Vitamin C, total phenolic, total flavonoid, total carotenoid, and total anthocyanin content of the ecotypes ranged from 16.9–22.7%, 430–690 mg per 100 g FW (fresh weight), 390–532 mg gallic acid equivalent per 100 g FW, 0.88–2.04 mg per g FW, 6.83–15.17 mg per g FW and 3.62–7.81 mg cyanidin-3-glucoside equivalent per kg, respectively. Antioxidant activity was determined to be between 19.7–34.7 mg ascorbic acid equivalent per g fresh weight. Rosa ecotypes contained chlorogenic acid and rutin the most as phenolic compound. Our results indicated great diversity within both R. canina and R. dumalis fruits.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Fatty acids composition in fruits of wild rose species
Autorzy:
Nowak, R
Tematy:
Rosa rugosa
Rosaceae
wild rose
Rosa rubiginosa
rose
fatty acid
rose species
oil content
composition
fruit
Rosa dumalis
Pokaż więcej
Wydawca:
Polskie Towarzystwo Botaniczne
Powiązania:
https://bibliotekanauki.pl/articles/57682.pdf  Link otwiera się w nowym oknie
Opis:
The oil content and fatty acids profile of a number of Polish wild species of rose fruits were examined by GC. The total fatty acid contents ranged from 6.5% to 12.9% of dry mass in fruits. The composition of oils was similar in the investigated species. 17 components were identified. An average composition was estimated as follows: linoleic acid (44.4-55.7%), a-linolenic acid (18.6-31.4%), oleic acid (13.5-20.3%), palmitic acid (2.3-3.3%), stearic acid (1-2.5%), octadecenoic acid (0.38-0.72%), eicosenoic acid (0.3-0.7%), eicosadienoic acid (0-0.16%), erucic acid (0.03-0.17%) and minor fatty acids. The results indicate that rose fruits are a rich source of unsaturated fatty acids, especially in R. rubiginosa, R. rugosa and R. dumalis. There were statistically significant (p<0.05) differences in fatty acid compositions of some species. Fatty acids were suggested to have a potential chemotaxonomic value in this genus.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pollen morphology of Polish species of the genus Rosa - I. Rosa pendulina
Autorzy:
Wronska-Pilarek, D
Lira, J.
Tematy:
Rosa
Alpine rose
Rosa pendulina
Polish species
pollen morphology
variability
multivariate analysis
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Powiązania:
https://bibliotekanauki.pl/articles/40988.pdf  Link otwiera się w nowym oknie
Opis:
The morphology and variability of pollen of Rosa pendulina L. were studied. The material came from 10 native localities of this species. 300 pollen grains were examined. It was established that the diagnostic features of pollen grains of R. pendulina L. were: an elongated, narrow operculum, a poorly developed exine sculpture, long ectocolpi (a low value of the apocolpium index), and the predominance of grains elongated in shape. The results obtained usually correspond to data supplied by other palynologists. A statistical analysis of 10 quantitative grain characteristics showed their variability to be rather low. The highest variability was found to occur in two traits connected with d (the distance between the apices of two ectocolpi). Statistical studies revealed dependences among the grains from the 10 analysed localities
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An interesting locality of Rosa gallica in Major Poland
Interesujące stanowisko róży francuskiej Rosa gallica w Wielkopolsce
Autorzy:
Czarna, Aneta
Wydawca:
Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences
Zakład Ochrony Przyrody i Zasobów Naturalnych Polskiej Akademii Nauk
Powiązania:
Zieliński J. 1980. Rozmieszczenie róż w południowej Wielkopolsce. Fragm. Flor. et Geobot. 26, 1: 53-64.
Chrońmy Przyrodę Ojczystą
Let's protect Our Indigenous Nature
Jasiewicz A. 1981. Wykaz gatunków rzadkich i zagrożonych flory polskiej. Fragm. Flor. et Geob. 27, 3: 401-414.
Browicz K., Gostyńska M. 1963. Atlas rozmieszczenia drzew i krzewów w Polsce. PWN, 2: 5-6, Poznań.
Zieliński J. 1987. Flora Polski. PWN, 5: 44-46, Warszawa-Kraków.
Brzyski B. 1961. Orchis pallens L. i inne interesujące gatunki w dolinie Dunajca koło Wojnicza (pow. Brzesko). Fragm Flor. et Geobot. 2: 317-326.
Meusel H., Jäger E., Weinert E. 1965. Vergleichende Chorologie der zentraleuropäichen Flora. Karten. VEB. Gustav Fischer Verl. Jena.
Opis:
ISSN 0009-6172
21 cm ; ilustracje ; bibliografia na stronie 92
Dostawca treści:
RCIN - Repozytorium Cyfrowe Instytutów Naukowych
Książka
Tytuł:
Ellagic acid content in selected wild species of fruit roses
Autorzy:
Karczmarz, K.
Szmagara, A.
Stefaniak, E.A.
Tematy:
Rosa canina
Rosa moyesii
Rosa pendulina
wild species
wild rose
rose fruit
medicinal plant
ellagic acid
ellagic acid content
spectrofluorimetric method
Pokaż więcej
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Powiązania:
https://bibliotekanauki.pl/articles/12314979.pdf  Link otwiera się w nowym oknie
Opis:
Ellagic acid (EA) is a natural antioxidant, belonging to the group of polyphenolic compounds. It displays a broad spectrum of pro-health effects, ranging from the prevention of cancer to antiviral properties. It is present in many fruit from the rose family (Rosaceae): strawberries, raspberries, blackberries and walnuts as well as cranberries and grapes. The available literature states that the fruit of roses, in addition to their aesthetic and functional applications, also show therapeutic properties, which, among other things, are associated with a high content of polyphenols, including ellagic acid derivatives. The aim of this research was to determine the differences in the content of free ellagic acid in the fruit of selected rose species. The test material consisted of freeze-dried sublimation and ground fruit from the following species of roses: R. canina, R. moyesii, R. pendulina. The fruit was separated into two fractions: flesh and seeds. Quantitative analysis of free ellagic acid was carried out by spectrofluorimetry. The free EA was present both in the flesh and in the seeds of the studied species of roses. Its content in the mentioned fractions varied depending on the species. The flesh of R. pendulina was characterised by the highest level of EA in free form (247.72 μg·g–1 of dry weight). The seeds of R. moyesii proved to be the most abundant in free EA (105.69 μg·g–1 of dry weight).
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 193

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