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    Wyświetlanie 1-2 z 2
    Tytuł:
    Analysis of content of steviosides as biologically active compounds in stevia (Stevia rebaudiana) and products manufactured on the basis of this plant
    Autorzy:
    Wojewoda, Aleksandra
    Wodyk, Tomasz
    Stępniowski, Daniel
    Cholewińska, Ewelina
    Stępniowska, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/1178241.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Stevia rebaudiana Bertoni
    rebaudioside A
    steviol glycosides
    stevioside
    Opis:
    Stevia rebaudiana Bertoni is a desirable sugar substitute due to the presence of natural sweeteners (steviol glycosides). In 2011 steviol glycosides from this plant were accepted by the European Food Safety Authority (EFSA) as a harmless sweetener added to foods.The plant contains 9 different steviol derivatives commonly referred to as steviol glycosides. The largest share among them are: stevioside and rebaudioside A (the main components responsible for the sweet taste of the plant), while the others are rebaudioside B, C, D, E, F, dulcoside A and B and steviolbioside. The highest concentration of these substances is observed in the leaves. Stevia leaves may differ in the content of steviosides depending on the source. Therefore, the aim of the study was to compare the content of steviosides in stevia leaves (Stevia rebaudiana) from different countries and in products produced on the basis of this plant. On the basis of stevia leaf analysis, it was shown that the content of steviol glycosides in stevia leaves - rebaudioside A and stevioside, depends on the place and conditions in which it is grown. In addition, the amount of these substances in products based on this plant was analyzed. The study showed that they can be a substitute for dried leaves provided that the recommended daily intake is not exceeded.
    Źródło:
    World Scientific News; 2018, 93; 132-141
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of biofertilizers on protein, moisture and ash content in relation to swelling property, water absorption capacity, mineral elements, total phenolic level of Stevia (Stevia rebaudiana Bert.) plant grown under acidic soil zone of South India
    Autorzy:
    Das, K.
    Dang, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/11022.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    biofertilizer
    protein
    moisture
    ash content
    swelling property
    physicochemical property
    phenol
    water absorption
    absorption capacity
    mineral element
    total phenolics level
    atomic absorption spectrometry
    stevia
    Stevia rebaudiana
    plant growth
    acid soil zone
    South India
    India
    Opis:
    The field experiment on Stevia rebaudiana (SR), (Family: Asteraceae) was carried out in acid soil zone of Shimoga (Karnataka) in the year 2009 and 2010 to investigate the influence of biofertilizers on protein, moisture and ash content in the dried Stevia leaf and their correlation with swelling property, water absorption capacity and mineral element contents. Results revealed that second harvested sample (August) in first year (2009) was better for all aspects than other harvested samples and the results showed significant increase in protein content (16.22 %), swelling index (SI) (5.10 % w/w), water absorption capacity (WAC) (4.91 ml/g) with the treatment T8 where three bio fertilizers were applied togetherly with simultaneous moisture content varied from 6.61 to 7.18 %. The significant higher correlations were observed (significant at 1 %) between protein content with SI (r = 0.99), WAC (r = 0.99) and SI with WAC (r = 0.98) in 2009 harvested samples. The ash content was higher in third harvested sample (13.54 %) in the year 2009 with simultaneous increased amount of Fe (6.19 mg/kg), Mn (1.24 mg/kg), Cu (0.72 mg/kg) and Zn (1.22 mg/kg) contents due to the residual effect of bio fertilizers. Nitrogen (0.74 mg/kg), P (0.40 mg/kg) and K (0.68 mg/kg) contents were higher during second harvested samples and thereafter decreased. Total phenolic content was also recorded highest (64.52 mg/g) with three bio fertilizers applied togetherly during year 2009 compared to the year 2010 (50.12 mg/g). The results suggest that the application of bio-fertilizers either single or more numbers in a balanced way may be beneficial in improving protein, phenol and mineral contents of stevia plant.
    Źródło:
    International Letters of Natural Sciences; 2014, 01
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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