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    Tytuł:
    Purification and Characterization of a Low Molecular Weight Neutral Non-Starch Polysaccharide from Panax ginseng by Enzymatic Hydrolysis
    Autorzy:
    Ying, Ying
    Ma, Chao
    Zhang, Yajie
    Li, Xiaoping
    Wu, Hongxin
    Powiązania:
    https://bibliotekanauki.pl/articles/16538536.pdf
    Data publikacji:
    2023-02-21
    Wydawca:
    Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
    Tematy:
    ginseng polysaccharide
    chromatographic separation
    monosaccharide composition
    structure analysis
    Opis:
    In this study, a novel neutral non-starch polysaccharide (GP1A) was extracted using hot water from ginseng roots. Chemical characteristics, monosaccharide compositions and structure of GP1A were investigated using scanning electron microscopy, gel permeation chromatography, X-ray diffraction, Fourier transform infrared spectroscopy, gas chromatography with mass spectrometer, one-dimensional and two-dimensional nuclear magnetic resonance. The results indicated that the lyophilized GP1A was a homogeneous polysaccharide with a low molecular weight of 1.03 kDa. The dominating monosaccharides of GP1A were D-glucose, D-galactose, D-mannose, D-xylose and D-arabinose. The structure analysis indicated the main chain residues sequence of GP1A was α-D-Glcp-(6→3)-α-D-Galp-(1→1)-α-D-Glcp-(3→4)-β-D-Manp-(2→2)-β-D-Arap with branch chains of α-D-Glcp substituted at α-D-Galp and β-D-Xylp substituted at β-D-Manp.
    Źródło:
    Polish Journal of Food and Nutrition Sciences; 2023, 73, 1; 70-79
    1230-0322
    2083-6007
    Pojawia się w:
    Polish Journal of Food and Nutrition Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of humic substances on results of the spectrophotometric (TPTZ) analysis of monosaccharides
    Autorzy:
    Grzybowski, W.
    Dudzinska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/48161.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    monosaccharide analysis
    aquatic substance
    humic substance
    spectrophotometry
    water
    Gdansk Gulf
    Opis:
    A spectrophotometric method of monosaccharide analysis was assessed with regard to its non-selectivity towards humic substances. Analysis of model solutions showed that it responds positively to both marine and terrestrial humics. The systematic error in monosaccharide analysis (in glucose equivalents) was 0.18–0.20mg per 1 mg of Aldrich humic acid and 0.11–0.12 mg per 1 mg of humic substances isolated from Gulf of Gdańsk water.
    Źródło:
    Oceanologia; 2004, 46, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prolongirovannye ehffekty opticheskogo izluchenija krasnogo diapazona v period prorastanija semjan
    Prolonged effect of optical radiation of a red range during the germination of seeds
    Autorzy:
    Pankova, O.
    Fesenko, A.
    Bezpalko, V.
    Lisichenko, N.
    Golovan, L.
    Romanova, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/76435.pdf
    Data publikacji:
    2015
    Wydawca:
    Komisja Motoryzacji i Energetyki Rolnictwa
    Tematy:
    seed treatment
    germination energy
    endosperm
    dynamics
    dry mass
    sprout
    starch
    monosaccharide
    Źródło:
    Motrol. Motoryzacja i Energetyka Rolnictwa; 2015, 17, 7
    1730-8658
    Pojawia się w:
    Motrol. Motoryzacja i Energetyka Rolnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Extraction, Chemical Composition and Antidiabetic Potential of Crude Polysaccharides from Centella asiatica (L.) Urban
    Autorzy:
    Li, Meng
    Shahid, Muhammad
    Zhang, Xiaobin
    Law, Douglas
    Mackeen, Mukram M.
    Teh, Arnida H.
    Najm, Ahmad A.
    Fazry, Shazrul
    Othman, Babul A.
    Powiązania:
    https://bibliotekanauki.pl/articles/31341117.pdf
    Data publikacji:
    2024-05-24
    Wydawca:
    Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
    Tematy:
    alcohol insoluble residue
    antidiabetic
    mineral elements
    monosaccharide composition
    response surface methodology
    Opis:
    The global prevalence of diabetes mellitus (DM) is escalating, posing a significant challenge to human healthcare systems. In the present study, mineral and monosaccharide compositions, and antidiabetic potential of polysaccharide fractions separated from Centella asiatica (L.) leaves (CAL) were assessed. Initial single-factor experiments identified key extraction parameters, further optimized through response surface methodology (RSM) with optimal conditions determined as a liquid-to-solid ratio of 24.43:1 (mL/g), extraction time of 60.76 min, and a temperature of 83.31℃. Alcohol insoluble residue (AIR) extraction yielded three crude polysaccharide fractions (P50, P70, and P90). P50 was obtained with the highest yield (14.31%) and exhibited the highest content of total sugars and uronic acids (68.01 and 24.28 g/100 g, respectively). Calcium, magnesium, and manganese were dominant minerals in P50 and P70. Monosaccharide composition analysis via high-performance liquid chromatography (HPLC) demonstrated enrichment of galacturonic acid, galactose, and arabinose in P50 and P70. Furthermore, both fractions (P50 and P70) exhibited dose-dependent inhibitory effects on α-amylase and α-glucosidase. At 5 mg/mL, P50 caused 68.3% α-amylase inhibition and 62.3% α-glucosidase inhibition, while P70 triggered 46.8% and 34.1% inhibition, respectively. In conclusion, this study is the first to provide valuable insights into optimizing CAL extraction conditions. Potential utilization of polysaccharide fractions obtained from CAL as components for formulating functional foods can be explored in the future.
    Źródło:
    Polish Journal of Food and Nutrition Sciences; 2024, 74, 2; 177-187
    1230-0322
    2083-6007
    Pojawia się w:
    Polish Journal of Food and Nutrition Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Monosaccharides in the water of the Gulf of Gdańsk
    Autorzy:
    Grzybowski, W.
    Maksymiuk, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/47542.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    organic matter
    saccharide
    monosaccharide
    sea water
    organic carbon
    Baltic Sea
    Gdansk Gulf
    Opis:
    The concentration of monosaccharides in samples collected in the Gulf of Gdańsk area was determined in water filtered through ∼0.8 μm pore size filters. Seawater concentrations ranged from about 0.2 to 1.1 mg C dm−3, the highest values being detected at the mouth of the river Vistula. Seasonality was detectable in the data distribution; the majority of autumn values lay within the 0.2–0.4 range while concentrations in the spring samples were higher and the values more widely scattered. Measurements of monosaccharide concentrations at selected points during the whole observation period showed that values increased from spring to autumn as much as 5-fold. Concomitant analyses in Vistula river water yielded concentrations from 0.4 to 1.2 mg C dm−3. These latter values were all higher than those recorded in seawater in the corresponding months.
    Źródło:
    Oceanologia; 2001, 43, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biochemical activity of di- and polyamines in the green alga Chlorella vulgaris Beijerinck [Chlorophyceae]
    Autorzy:
    Czerpak, R
    Bajguz, A.
    Piotrowska, A.
    Dobrogowska, R.
    Matejczyk, M.
    Wieslawski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/57046.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    spermine
    alga
    cell
    agmatine
    monosaccharide
    Chlorella vulgaris
    chlorophyll
    growth
    putrescine
    polyamine
    diamine
    protein
    spermidine
    Opis:
    This study concerns on the influence of diamines (agmatine, putrescine) and polyamines (spermine, spermidine) upon the growth and the content of chlorophyll a and b, monosaccharides and proteins in the cells of alga Chlorella vulgaris Beijerinck (Chlorophyceae). In the experiments agmatine, putrescine, spermine and spermidine in the range of concentrations 10-6-10-3 M were used. At the concentration 10-3 M and the 1st day of cultivation, they have a toxic effect on growth of the algae. It was found that di- and polyamines used within the range of concentration 10-6-10-4 M stimulate the growth and the contents of analysed biochemical parameters in the cells of C. vulgaris. The most stimulating influence on metabolism of the alga was demonstrated by spermidine and putrescine at concentration of 10-4 M. Agmatine and spermine were characterised by a lower biological activity than spermidine and putrescine demonstrated the most stimulating influence.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2003, 72, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Faba bean albumins glycation
    Autorzy:
    Kostyra, H.
    Darewicz, M.
    Smyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1371479.pdf
    Data publikacji:
    1992
    Wydawca:
    Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
    Tematy:
    glycotransferase
    food biotechnology
    albumin
    monosaccharide
    protein
    pepsin
    trypsin
    physiological condition
    faba bean
    enzymatic glycosylation
    glycation
    Źródło:
    Polish Journal of Food and Nutrition Sciences; 1992, 01, 4; 121-126
    1230-0322
    2083-6007
    Pojawia się w:
    Polish Journal of Food and Nutrition Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Carbohydrates in Colobanthus quitensis and Deschampsia antarctica
    Autorzy:
    Piotrowicz-Cieslak, A I
    Gielwanowska, I.
    Bochenek, A.
    Loro, P.
    Gorecki, R.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/59067.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    soluble sugar
    monosaccharide
    oligosaccharide
    carbohydrate
    cyclitol
    starch
    vegetative tissue
    Deschampsia antarctica
    sugar
    Colobanthus quitensis
    raffinose
    tissue
    galactosyl cyclitol
    Opis:
    Eight to nineteen ethanol-soluble carbohydrate components were identified in vegetative tissues of Colobanthus quitensis and Deschampsia antarctica. The analysed carbohydrates included: monosaccharides, cyclitols, galactosyl cyclitols, raffinose family oligosaccharides, lichnose family oligosaccharides, kestose family oligosaccharides. The analysed vegetative tissues accumulated from 447 to 139 mg/g d.m. soluble carbohydrates in Colobanthus quitensis, Deschampsia antarctica respectively. The raffinose family oligosaccharides constituted 53.3% in Colobanthus quitensis of the identified soluble carbohydrate component pool. Vegetative tissues accumulated starch in Colobanthus quitensis 20.6 mg/g d.m. and 261.6 mg/g d.m. in Deschampsia antarctica. Anatomical and ultrastructural observations of vegetative part of Colobanthus quitensis and Deschmpsia antarctica revealed the presence of various ergastic materials in intercellular spaces, cell walls and protoplasts. Various parts of these plants contain insoluble, PAS positive polysaccharides in intercellular spaces and in cell walls. Chloroplasts of analysed tissues contained starch. Less starch was visible in young, growing parts of shoots of Colobanthus quitensis and Deschmpsia antarctica, more starch appears in mature, differentiated parts.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of stimulatory effect of cytokinins adenine and urea derivatives on the level of some components in Wolffia arrhiza [L.] Wimm. [Lemnaceae]
    Autorzy:
    Piotrowska, A
    Czerpak, R.
    Adamowicz, J.
    Biedrzycka, A.
    Potocka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/57649.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    RNA
    biochemistry
    chlorophyll b
    monosaccharide
    nucleic acid
    cytokinin
    carotenoid
    plant hormone
    chlorophyll a
    Wolffia arrhiza
    protein
    total carotenoid
    DNA
    Opis:
    The effect of cytokinins with different chemical structures, adenine-type: N6-benzylaminopurine (BAP), N6-furfurylaminopurine (FAP) and derivative of urea - 1,3-diphenylurea (DPU) applied in optimal physiological concentrations of 10-6-10-4 M on the mixotrophic plant Wolffia arrhiza during the period of 20 days of culture, was examined. The cytokinin highest influence on the metabolites level in W. arrhiza fresh weight was demonstrated in the range of concentrations 10-6-10-5 M between the 5th and the 10th day of culture. Among used cytokinins, the highest stimulative effect on the content of water-soluble proteins can be attributed to DPU (181%), slightly lower to BAP (167%) and the lowest to FAP (113%) in comparison with the control culture (100%). BAP was found to exert the most stimulative activity on nucleic acids accumulation (DNA+RNA) to the maximum value (127%). FAP and DPU possessed weaker stimulative activity increasing the nucleic acid content to the level of 120% and 118%, properly. The content of monosaccharides was stimulated to the highest level of 174% in FAP treated plants, to 151% in case of BAP and in case of DPU to 144%. Whereas, the highest increase of the photosynthetic pigments content (chlorophyll a and b as well as total carotenoids) to the range of 123-146% in W. arrhiza culture in the presence of DPU, was observed. Under the influence of FAP the accumulation of photosynthetic pigments was stimulated less effectively to the range of 113-140%. When the plants grew with BAP the chlorophylls and carotenoids contents increased to the lowest values of 119-131%. On the other hand, the content of total carotenoids was stimulated only during the first days of culture, then between the 15th and the 20th day it was inhibited by all applied adenine and urea-type cytokinins to the value of 70%. The results indicate that there is no quantitative correlation between the structure of all analysed cytokinins and their influence on the biochemical responses of W. arrhiza.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of sunflower (Helianthus annuus L.) catch crop on content of selected components of nutritive value of sweet corn (Zea mays L. var. saccharata (Sturtev.) L.H. Bailey)
    Wpływ międzyplonu słonecznika (Helianthus annuus L.) na zawartość w kukurydzy cukrowej (Zea mays L. var. saccharata (Sturtev.) L.H. Bailey) wybranych elementów wartości odżywczej
    Autorzy:
    Zaniewicz-Bajkowska, A.
    Rosa, R.
    Kosterna, E.
    Franczuk, J.
    Buraczyńska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/11541918.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    sunflower
    Helianthus annuus
    catch crop
    component content
    nutritional value
    sweet corn
    Zea mays ssp.saccharata
    organic manure
    green manure
    dry matter
    ascorbic acid content
    sugar content
    monosaccharide content
    Opis:
    Organic manuring have significant influence on the sweet corn growth. Important element of sweet corn agrotechny can be catch crops cultivated on the ploughing down. A field experiment was carried out at the Zawady Experimental Farm near Siedlce. There was investigated the effect of green manures applied as sunflower catch crops on changes in the content of dry matter, ascorbic acid, total sugars and monosaccharides in sweet corn . The sunflower was sown at three dates: the 21st of July, 4th of August and 18th of August. The effects of catch crop green manures was compared to the effect of farmyard manure (40 t·ha-1) and the control. Sweet corn cultivated in control and after catch crops sown on the 18th of August content more dry matter in kernels then cultivated after farmyard manure. Catch crops sown on the 21st of July and 18th of August reduced ascorbic acid content in corn compared to farmyard manure and the catch crop sown on the 4th of August. Sweet corn cultivated following farmyard manure and catch crops sown on the 21st of July and 4th of August had a higher content of total sugars compared with corn following the sunflower catch crop sown on the 18th of August. An average content of monosaccharides in sweet corn after sunflower catch crop sown on the 21st of July was higher than in corn cultivated following farmyard manure.
    Na wzrost kukurydzy cukrowej istotny wpływ ma nawożenie organiczne. Ważnym elementem jej agrotechniki mogą być rośliny międzyplonowe uprawiane na przyoranie. Eksperyment przeprowadzono w RSD w Zawadach k. Siedlec. Badano wpływ nawozów zielonych ze słonecznika wysiewanego 21 lipca, 4 i 18 sierpnia na zawartość suchej masy, kwasu askorbinowego, cukrów ogółem i redukujących w kukurydzy cukrowej. Efekty stosowania nawozów zielonych porównano z obornikiem (40 t·ha-1) oraz obiektem kontrolnym. Kukurydza uprawiana w kontroli i po międzyplonie posianym 18 sierpnia charakteryzowała się wyższą zawartością suchej masy w ziarniakach od uprawianej po oborniku. Uprawa kukurydzy po międzyplonach posianych 21 lipca i 18 sierpnia wpłynęła na spadek ilości kwasu askorbinowego w ziarniakach w stosunku do uprawy po oborniku i międzyplonie posianym 4 sierpnia. Kukurydza uprawiana po oborniku oraz międzyplonach posianych 21 lipca i 4 sierpnia charakteryzowała się wyższą zawartością cukrów ogółem od uprawianej po międzyplonie posianym 18 sierpnia. Zawartość cukrów redukujących w kukurydzy po międzyplonie posianym 21 lipca była wyższa niż po oborniku.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2010, 09, 4; 53-62
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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