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Wyszukujesz frazę "Mucuna pruriens" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Extraction and optimization of Mucuna pruriens for dyeing of leather
Autorzy:
Sundari, N.
Powiązania:
https://bibliotekanauki.pl/articles/779092.pdf
Data publikacji:
2015
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
leaching
Mucuna pruriens
extraction
Box-Behnken design
dyeing of leather
Opis:
The present study reports on the leaching of natural pigment from Mucuna pruriens for dyeing of chrome tanned leather samples. The experiments were performed at temperature (30-70°C), time (30-90 min), feed to solvent ratio (1:3-1:7) and particle size (0.25-0.75 mm) using ethanol as solvent. The influence of process variables on percentage yield has been studied and the conditions were optimized using Box-Behnken design. The optimized conditions for intensified extraction was found to occur at a temperature of 60°C, extraction time of 1 hr, for a feed to solvent ratio of 1:5 and 0.75 mm particle size. The % yield under optimized conditions was found to be 47%. The extraction results were found to agree well with the statistical model (R2 = 0.9740). The colouring ability of extracted dye has been tested on wet blue goat leathers. The dyed leather exhibited a better colour value, strength and fastness properties as inferred from reflectance and visual assessment tests.
Źródło:
Polish Journal of Chemical Technology; 2015, 17, 2; 57-63
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mucuna pruriens-seed extract stimulating immune system in Litopenaeus vannamei against Vibrio harveyi
Autorzy:
Shanmugavel, G.
Krishnamoorthy, G.
Powiązania:
https://bibliotekanauki.pl/articles/1839790.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Mucuna pruriens
Vibriosis
Litopenaeus vannamei
immunostimulant
Vibrio harveyi
Opis:
Objective: To evaluate the immunostimulant (ISt) role of Mucuna pruriens-seed (Mp-seed) enriched with Artemia (Ar) in Litopenaeus vannamei (L. vannamei) infected by Vibrio harveyi (V. harveyi). Method: Fifteen shrimp (30±5g) were stocked per 250 L tank in 3 replicates and fed twice daily with Ar enriched with Mp-seed methanolic extracts at 100 ppm and 200 ppm for 21 days. Infected L. vannamei shows altered immunoparameter (IPM) and antioxidant enzyme status due to the V. harveyi infection induced stress. Results: Significantly increased (p<0.05) total haemocyte count, respiratory burst, phenoloxidase and superoxide dismutase activities were observed in shrimp fed with Mp enriched Ar diets compared to infected group. Supplementation of Mp enriched Ar in diet could enhance the immunity of shrimp against V. harveyi infection by reverses the antioxidant level. The histology of hepatopancreas (HPC) also shows Mp-fed groups has restores the normal structure. Conclusion: The study demonstrated that Mp enriched Ar in diet have a potentially role in ISt and an effective antioxidant by regulating infectious stress against vibriosis.
Źródło:
World News of Natural Sciences; 2021, 39; 95-112
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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