Enhancement of antioxidant activity of kencur rhizome in the shade by potassium fertilizer

Zaini, F; Friska, AR R; Mustika, Dewi; Tyasmoro, Setyono Yudo; Saitama, Akbar; Zaini, Akbar Hidayatullah; Widaryanto, Eko

doi:10.1088/1755-1315/913/1/012006

Cited by 2 publications

(3 citation statements)

References 3 publications

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“…In response to increased oxidative stress, plants produce and accumulate more antioxidants (Kasote et al, 2015). Zaini et al (2021) reported that the antioxidant activity of kencur rhizomes was higher in the 25% shade than in the 50% shade. However, Khusni et al (2018) reported that the provision of 70% shade was the best shade for producing the highest antioxidant activity compared to other treatments on red spinach (Alternanthera amoena Voss.…”

Section: Discussionmentioning

confidence: 99%

Total Phenolic, Flavonoids Contents, and Antioxidant Activities in The Stems and Rhizomes of Java Cardamom as Affected by Shading and N Fertilizer Dosages

ARİSTA¹,

Priosoeryanto²,

Nurcholis³

2023

Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi

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Java cardamom is an herbal medicinal plant known as the "queen of spices." This research aims to determine the influence of shading and nitrogen fertilizer dose on the total phenolics, flavonoids, and antioxidant activity of Java cardamom stems and rhizomes. The study employed a split-plot design with two factors: the level of shading (0, 25, 50, and 75%) as the main plot and the dosage of nitrogen (N) fertilizer (0, 0.9, and 1.36 g polybag-1) as the subplots. Twelve months after planting, the rhizome and stem dried powder were extracted using the sonication-maceration technique with ethanol as the solvent. The 75% shading affected the more outstanding production of total phenolics (1.65 ± 0.59 mg GAE g-1 DW), DPPH antioxidant (4.95 ± 0.50 µmol TEAC g-1 DW), and FRAP antioxidant (8.94 ± 2.56 µmol TEAC g-1 DW) activities of the rhizomes cultivated with 0 g/polybag N in comparison to the stems of the plants. Contrary to phenolics and antioxidant activities, total flavonoids cultivated at 0% shading with 1.36 g polybag-1 N of the stems increased concentration than the rhizomes. The results indicated that the 75% shading affected the Java cardamom rhizome's phenolic content and antioxidant activities.

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Section: Discussionmentioning

confidence: 99%

Total Phenolic, Flavonoids Contents, and Antioxidant Activities in The Stems and Rhizomes of Java Cardamom as Affected by Shading and N Fertilizer Dosages

ARİSTA¹,

Priosoeryanto²,

Nurcholis³

2023

Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi

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“…This is because kencur plant is suitable for cultivation under the shade rather than in open conditions. 5 The increase in the growth rate of kencur also occurred along with the addition of sulfur fertilizer. Sulfur nutrients play an important role for plants, which they use for growth and crop production.…”

Section: Effect Of Shade and Sulfur Fertilizer On Crop Growth Rate Of...mentioning

confidence: 99%

“…Shade has an impact on kencur rhizome production, particularly on the amount of high-nutrient content. 5…”

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confidence: 99%

Optimization Growth, Yield and Secondary Metabolites Quality of Kencur (Kaempferia galanga L.) with Various Levels of Shade and Sulfur Fertilizer

2023

TJNPR

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Kencur (Kaempferia galanga L.) belongs to the Zingiberaceae family and has a high economic value. One way to obtain high quality of kencur rhizome and its yield is by using the genotype. Kencur rhizome contains a variety of chemical compounds such as ethyl p-methoxycinnamate (EPMC), eucalyptol, carvone, pentadecane and metal cinnamate. 1 EPMC compounds have many uses particularly as a cosmetics ingredient because they can protect the skin from sunlight and can be used as raw materials for perfumes. In addition, the compounds in kencur rhizome are widely used as natural remedies for digestive disorders, respiratory tract and as cosmetics raw materials. 2 The distribution of kencur in Indonesia is divided into 2 types based on the origin of accessions, namely highland accessions and lowland accessions. Altitude also influences the environmental factors affecting plant growth, especially temperature and light intensity. 3 Light intensity according to the plant species' needs can be classified into minimum, optimum and maximum. 4 The use of shade is suitable to reduce the stress of high light intensity. Shade has an impact on kencur rhizome production, particularly on the amount of high-nutrient content. 5

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Enhancement of antioxidant activity of kencur rhizome in the shade by potassium fertilizer

Cited by 2 publications

References 3 publications

Total Phenolic, Flavonoids Contents, and Antioxidant Activities in The Stems and Rhizomes of Java Cardamom as Affected by Shading and N Fertilizer Dosages

Total Phenolic, Flavonoids Contents, and Antioxidant Activities in The Stems and Rhizomes of Java Cardamom as Affected by Shading and N Fertilizer Dosages

Optimization Growth, Yield and Secondary Metabolites Quality of Kencur (Kaempferia galanga L.) with Various Levels of Shade and Sulfur Fertilizer

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