scholarly journals SKRINNING FITOKIMIA, UJI AKTIVITAS ANTIOKSIDAN DAN TABIR SURYA PADA TANAMAN JAGUNG (Zea mays L.)

PHARMACON ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 194
Author(s):  
David Albert Pangemanan ◽  
Edi Suryanto ◽  
Paulina V. Y. Yamlean
Keyword(s):  
Antioxidant Activity ◽  
Zea Mays ◽  
Zea Mays L ◽  
Total Phenolic ◽  
Flavonoid Compounds ◽  
A Value ◽  
Maximum Protection ◽  
Area North ◽  
Corn Plants ◽  
Corn Kernels

ABSTRACT Corn (Zea Mays L.) is widely developed in Indonesia. Corn kernels showed total phenolic and antioxidant activity. Antioxidants have the potential as photoprotectors, therefore, plants containing phenolic compounds can be used in the prevention of free radicals. For this reason, researcher is interested in further researching the phytochemical screening, antioxidant activity and sunscreen testing from extracts of stems, leaves, hair and leaf wrapping from corn (Zea mays L.). The samples used were corn plants (corn silk, corn leaves, corn stalks and leaf wrapping corn) originating from Kauditan area, North Minahasa. The results of the study showed that the leaf contained saponin and flavonoid compounds, the stem contained alkaloid and saponin compounds, the hair contained alkaloid and flavonoid compounds, and the leaf wrapping only contained alkaloid compounds. The highest to lowest total phenolic content values starting from the stem were 46.93 μg / mL, the leaf wrapping 37.76 μg / mL, the leaf 26.63 μg / mL and hair 14.49 μg / mL. The leaf has the highest antioxidant activity with a value of 72.81% followed by 62.87% stem then wrapping leaf 43.13%  and finally hair 29.14%. The SPF value of the stem was included in the ultra protection with a value of 16.117 followed by the leaves included in the maximum protection with an SPF value of 10.902. While the hair with SPF value of 0.6 and wrapping leaf with SPF value of 0.222 are included in the minimum protection. Keywords: Corn (Zea Mays L.), Sunscreen, Antioxidants, Phenol ABSTRAK Jagung (Zea Mays L.) banyak dikembangkan di Indonesia. Biji jagung menunjukkan kadar total fenolik dan aktivitas antioksidan. Antioksidan memiliki potensi sebagai fotoprotektor, oleh karena itu, tanaman yang mengandung senyawa fenolik dapat digunakan dalam pencegahan radikal bebas. Untuk itu peneliti tertarik untuk meneliti lebih lanjut tentang skrining fitokimia, uji aktivitas antioksidan dan tabir surya dari ekstrak batang, daun, rambut, dan daun pembungkus dari jagung (Zea mays L.). Sampel yang digunakan ialah tanaman jagung (rambut jagung, daun jagung, batang jagung dan daun pembungkus jagung) yang berasal dari daerah Kauditan, Minahasa Utara. Hasil dari penelitian menunjukkan daun mengandung senyawa saponin dan flavonoid, batang mengandung senyawa alkaloid dan saponin, rambut mengandung senyawa alkaloid dan flavonoid, dan daun pembungkus hanya mengandung senyawa alkaloid. Nilai kandungan total fenolik  yang paling tinggi sampai paling rendah dimulai dari batang sebesar 46.93 μg/mL, daun pembungkus 37.76 μg/mL, daun 26.63 μg/mL dan rambut 14.49 μg/mL. Daun memiliki aktivitas antioksidan yang paling tinggi dengan nilai 72.81% diikuti oleh batang 62.87% kemudian daun pembungkus 43.13% dan yang terakhir adalah rambut 29.14%. Nilai SPF batang termasuk dalam proteksi ultra dengan nilai 16,117 diikuti oleh daun yang termasuk dalam proteksi maksimal dengan nilai SPF 10,902. Sedangkan rambut dengan nilai SPF  0,6 dan daun pembungkus dengan nilai SPF 0,222 termasuk dalam proteksi minimal. Kata Kunci : Jagung (Zea Mays L.), Tabir Surya, Antioksidan, Fenol

scholarly journals Different Strategies to Obtain Corn (Zea mays L.) Germ Extracts with Enhanced Antioxidant Properties

2020 ◽  
Vol 15 (1) ◽  
pp. 1934578X2090356 ◽  
Author(s):  
Ilaria Burlini ◽  
Alessandro Grandini ◽  
Massimo Tacchini ◽  
Immacolata Maresca ◽  
Alessandra Guerrini ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Zea Mays ◽  
High Performance ◽  
Zea Mays L ◽  
Antioxidant Properties ◽  
Added Value ◽  
Total Phenolic ◽  
Array Detector ◽  
Dried Extract ◽  
By Products

Maize ( Zea mays L.) germs are by-products from the milling industry. The objective of this work was to compare the phenolic and lipophilic antioxidant fractions of yellow and white corn varieties, provided by Corn Valley S.r.l. (Piumbega, Mantova, Italy) and among the raw materials most processed by the company. The phenolic fraction, extracted with ultrasound-assisted extraction, alone and in combination with chemical and enzymatic hydrolyses, was analyzed with high-performance thin-layer chromatography and reversed-phase high-performance liquid chromatography-diode array detector. Among the various extraction techniques used, the combination of sonication and alkaline hydrolysis proved to be an effective method for the extraction of phenolic compounds from yellow and white germs, with the highest ferulic acid concentrations (636.54 ± 3.71 and 569.23 ± 1.69 mg FA/g dried extract, respectively), total phenolic contents (844.5 ± 64.6 and 742.8 ± 15.44 mg gallic acid equivalents/g dried extract, respectively), and the best antioxidant activity (14.33 ± 0.48 and 11.41 ± 1.1 µg/mL, respectively). The lipophilic fraction, extracted using supercritical carbon dioxide was analyzed by gas chromatography-mass spectrometry. The unsaponifiable fractions were found to be 2.41% ± 0.24% in yellow corn and 1.85% ± 0.08% in white corn; β-sitosterol, campesterol, and stigmasterol were identified as the main phytosterols characterizing both lipophilic extracts which showed the most effective antioxidant activity (1.29 ± 0.26 mg/mL and 1.33 ± 0.21 mg/mL, respectively) compared with the control. Finally, the phenolic and lipophilic extracts obtained from maize by-products may be reintroduced into the health-oriented market as extracts enriched of high-added value biomolecules with antioxidant activity both as active molecules and as additives of natural origin.

scholarly journals Potensi Antioksidan dan Tabir Surya Ekstrak dan Sediaan Krim Rambut Jagung (Zea mays L.)

2021 ◽  
Vol 3 (2) ◽  
pp. 233-245
Author(s):  
Indah Mahendra Wardani ◽  
Rissa Laila Vifta
Keyword(s):  
Antioxidant Activity ◽  
Zea Mays ◽  
Visible Light ◽  
Electromagnetic Radiation ◽  
Zea Mays L ◽  
Sun Exposure ◽  
Skin Damage ◽  
Corn Silk ◽  
Maximum Protection ◽  
Hair Extract

Sunlight emits electromagnetic radiation consisting of infrared, visible light, and UV radiation. High sun exposure can have an impact on skin damage. Corn silk is a waste from the cultivation of corn crops whose utilization is still very limited. Corn silk extract contains phenolic, flavonoids, and carotenoids that are efficacious as antioxidants and sunscreens. This study aims to find out the potential of antioxidants and sunscreens in corn silk extract and cream. This study by reviewing 5 articles consisting of 1 international article and 4 accredited National articles that discuss the activity of antioxidants and sunscreens both extracts and corn silk cream (Zea mays L.) published in 2011-2021. The results of the study of the five articles show that the compounds contained in corn hair extract that have antioxidant activity and sunscreen are phenolic, flavonoid, and carotenoids. Corn hair extract (Zea mays L.) has a very strong antioxidant activity category and has activity as an ultra protection category sunscreen. Corn silk cream have a very weak antioxidant activity and have maximum protection sunscreen activity. Both of corn silk extract and cream have antioxidant and sunscreen activity in the presence of secondary metabolite compounds phenolic, flavonoid, and carotene. ABSTRAK Sinar matahari memancarkan radiasi elektromagnetik yang terdiri dari inframerah, cahaya tampak, dan radiasi sinar UV. Paparan sinar matahari yang tinggi dapat berdampak pada kerusakan kulit. Rambut jagung merupakan limbah hasil budidaya tanaman jagung yang pemanfaatannya masih sangat terbatas. Rambut jagung mengandung fenolik, flavonoid, dan karotenoid yang berkhasiat sebagai antioksidan dan tabir surya. Penelitian ini dilakukan untuk mengetahui potensi antioksidan dan tabir surya pada ekstrak dan krim rambut jagung. Penelitian ini dilakukan dengan mengkaji sebanyak 5 artikel yang terdiri dari 1 artikel Internasional dan 4 artikel Nasional terakreditasi yang membahas aktivitas antioksidan dan tabir surya baik ekstrak maupun dalam bentuk sediaan krim rambut jagung (Zea mays L.) yang dipublikasikan tahun 2011-2021. Hasil studi dari kelima artikel menunjukkan bahwa senyawa yang terkandung dalam ekstrak rambut jagung yang memiliki aktivitas antioksidan dan tabir surya adalah fenolik, flavonoid, dan karotenoid. Ekstrak rambut jagung (Zea mays L.) memiliki aktivitas antioksidan kategori sangat kuat dan memiliki aktivitas sebagai tabir surya kategori proteksi ultra. Sediaan krim rambut jagung memiliki aktivitas antioksidan kategori sangat lemah dan memiliki aktivitas tabir surya kategori proteksi maksimal. Ekstrak maupun sediaan krim rambut jagung memiliki aktivitas baik antioksidan maupun tabir surya dengan adanya kandungan senyawa metabolit sekunder fenolik, flavonoid, dan karoten.

scholarly journals Measuring antioxidant activity in yellow corn (Zea mays L.) inbreds from three different geographic regions

2021 ◽  
Vol 64 (1) ◽  
Author(s):  
Hwan-Hee Bae ◽  
Gibum Yi ◽  
Young Sam Go ◽  
Jun Young Ha ◽  
Yuchan Choi ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Zea Mays ◽  
Human Consumption ◽  
Easy Method ◽  
Tropical Regions ◽  
Kernel Color ◽  
Nutritional Components ◽  
Yellow Corn ◽  
Corn Inbred ◽  
Corn Kernels

AbstractCorn (Zea mays L.) provides a major source of calories for human consumption and therefore, the nutritional components of corn have a large impact on human health. For example, corn kernels contain antioxidants, such as polyphenols (including anthocyanins and other flavonoids) and carotenoids. Such compounds represent useful targets for biofortification breeding. In this study, we used 34 corn inbred lines from three different regions (East Asia, Southern Asia, and subtropical regions) and 11 F1 hybrids derived from the inbreds to investigate antioxidant activity in yellow corn. We compared different methods for measuring antioxidant activity to test their consistency and to determine whether color could be used as an indicator of antioxidant activity. We also measured carotenoid levels in yellow corn. No difference in antioxidant activity was detected between inbred corn lines from temperate vs. tropical regions. We determined that carotenoid is a major contributor to antioxidant activity in yellow corn and that kernel color, especially yellowness, could be used as an indicator of antioxidant activity in yellow corn. These findings lay the foundation for the biofortification of yellow corn by providing information about the correlations among kernel color, carotenoid contents, and antioxidant activity and by identifying an easy method to assess antioxidant activity in yellow corn.

scholarly journals Nitric Oxide as an Attenuator of Ecophysiological Changes in Corn (Zea mays L.) Plants Submitted to Copper Toxicity

2021 ◽  
Vol 8 (4) ◽  
pp. 735
Author(s):  
Ana Ecidia de Araújo Brito ◽  
Jessica Suellen Silva Teixeira ◽  
Diana Jhulia Palheta de Sousa ◽  
Evelyn Fátima Lima de Souza ◽  
Gabriel Ito dos Santos Teixeira ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Zea Mays ◽  
Sodium Nitroprusside ◽  
Zea Mays L ◽  
Copper Toxicity ◽  
Maximum Activity ◽  
Nitric Oxide Donor ◽  
Water Control ◽  
Ps Ii ◽  
Corn Plants

The aim of this work was to evaluate the attenuating effect of the nitric oxide donor (sodium nitroprusside-NPS) on the ecophysiological responses of corn plants (Zea mays L.) submitted to copper toxicity. The corn seeds of the K9606 VIP3 variety were soaked for 48 hours in Germitest with solution containing treatment with sodium nitroprusside Na2 [Fe (CN) 5 NO] 2H2O (0, 200 and 300µM), sodium ferrocyanide Na4Fe (CN) 6 ( 300, 100 and 0 µM) respectively and deionized water (control), sown in buckets with 15 kg of soil incubated for 50 days containing copper concentrations CuSO4.5H2O (0, 60 and 200 mg kg-1). The design consisted of randomized blocks with 12 treatments and 4 repetitions, making a total of 48 plants. in ecophysiological variables: height, leaf area and number of leaves, stem diameter increased by 32, 66% and 11.29% in the treatments with 60 mg kg-1 of copper and 200 mg kg-1 of copper, respectively. There was no effect of treatments on the chlorophyll content measured by the SPAD index and gas exchange. The chlorophyll a fluorescence variables indicate that the concentration of 200 mg kg-1 of copper caused damage to the structure of the PS II reaction center complexes and indicate a slightly protective effect of nitric oxide-NO present in sodium nitroprusside and cyanide present in sodium ferrocyanide, reflecting a smooth functioning of the maximum activity of photosystem II and the electron transport chain.

scholarly journals Biologi Stenocranus pacificus Kirkaldy (Hemiptera: Delphacidae) pada tanaman jagung (Zea mays L.) di rumah kasa

2020 ◽  
Vol 17 (2) ◽  
pp. 104
Author(s):  
Dosma Ulina Simbolon ◽  
Maryani Cyccu Tobing ◽  
Darma Bakti
Keyword(s):  
Zea Mays ◽  
Life Cycle ◽  
Sex Ratio ◽  
Zea Mays L ◽  
Instar Nymph ◽  
Fourth Instar ◽  
The Third ◽  
First Instar ◽  
Corn Plants ◽  
North Sumatra

<p><em>Stenocranus pacificus </em>Kirkaldy (Hemiptera: Delphacidae) is destructive pest on corn plants in South Lampung and it has been reported to cause corn damages in North Sumatra. The  objective of this research was to study some aspects biology of <em>S. pacificus</em> on corn plants in screenhouse. The research was conducted by observing the biology of <em>S. pacificus</em> that was reared on corn plants in screenhouse.<em> </em>The results showed that life cycle of <em>S. pacificus </em>was 38–47 (41,60 ± 3,19) days: egg was 9–11 (10,20 ± 0,79) days, the first instar nymph was 3–4 (3,70 ± 0,48) days, the second instar nymph was 3–4 (3,90 ± 0,32) days, the third instar nymph was 3–4 (3,70 ± 0,48) days, the fourth instar nymph was 3–4 (3,80 ± 0,42) days, and the fifth instar nymph was 3–4 (3,60 ± 0,52) days. Age of female was 13–17 (15,30 ± 1,34) days. It was longer than age of male which was 8–12 (10,10 ± 1,20) days. Female could produce 181–214 (197,60 ± 11,64) eggs during its life. The sex ratio was 1:1,98.</p>

Relationships Between Yield and Crown Disease of Sweet Corn Grown in the Willamette Valley of Oregon

2009 ◽  
Vol 10 (1) ◽  
pp. 9
Author(s):  
Nathan L. Miller ◽  
Cynthia M. Ocamb
Keyword(s):  
Zea Mays ◽  
Image Analysis ◽  
Regression Analysis ◽  
Root Rot ◽  
Zea Mays L ◽  
Sweet Corn ◽  
Analysis Program ◽  
Willamette Valley ◽  
Nodal Roots ◽  
Corn Plants

Sweet corn (Zea mays L.) yields in the Willamette Valley of Oregon declined during the 1990s. Severe root rot affected some plants shortly before harvest, but was absent in other plants that showed secondary symptoms of reduced ear yield and leaf death; necrosis of stalk nodes and crown tissues was found instead. Studies were done to determine if there is a relationship among yield and necrosis of crowns, stalk nodes, nodal roots, radicles, or sub-crown internodes. An image analysis program was used to quantify the grayscale value of crown and node tissues. Regression analysis indicates that plants with darker crown tissues have lower ear weights. Rots of the nodal roots, radicle, or sub-crown internode were poor predictors of ear weight at harvest. When either Fusarium oxysporum or F. verticillioides were isolated from crowns of commercial sweet corn plants, these crowns had significantly darker grayscale values than those from which neither species was isolated; ear weights were also lower when F. oxysporum was isolated from the crown or a stalk node. Accepted for publication 13 July 2009. Published 31 August 2009.

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