Total Phenolic, Flavonoids Contents, and Antioxidant Activities in The Stems and Rhizomes of Java Cardamom as Affected by Shading and N Fertilizer Dosages
نویسندگان
چکیده
Java cardamom is an herbal medicinal plant known as the "queen of spices." This research aims to determine influence shading and nitrogen fertilizer dose on total phenolics, flavonoids, antioxidant activity stems rhizomes. The study employed a split-plot design with two factors: level (0, 25, 50, 75%) main plot dosage (N) 0.9, 1.36 g polybag-1) subplots. Twelve months after planting, rhizome stem dried powder were extracted using sonication-maceration technique ethanol solvent. 75% affected more outstanding production phenolics (1.65 ± 0.59 mg GAE g-1 DW), DPPH (4.95 0.50 µmol TEAC FRAP (8.94 2.56 DW) activities rhizomes cultivated 0 g/polybag N in comparison plants. Contrary activities, flavonoids at 0% polybag-1 increased concentration than results indicated that rhizome's phenolic content activities.
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ژورنال
عنوان ژورنال: Yüzüncü Y?l Üniversitesi Tar?m Bilimleri Dergisi
سال: 2023
ISSN: ['1308-7584', '1308-7576']
DOI: https://doi.org/10.29133/yyutbd.1193221