SKRINING FITOKIMIA EKSTRAK ETANOL UMBI  BAWANG MERAH (Allium cepa L.)

Hasibuan, Ahmad Syukur; Edrianto, Vicky; Purba, Novandi

doi:10.35451/jfm.v2i2.357

Cited by 11 publications

(17 citation statements)

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“…Berdasar pada penelitian terdahulu oleh (Hasibuan et al, 2020), terdapat beberapa senyawa bioaktif di dalam bawang merah yaitu flavonoid, fenolik, saponin, steroid dan triterpenoid. Selain itu, menurut (Soebagio, 2003) terdapat senyawa bioaktif yakni polifenol, seskuiterpenoid, monoterpenoid serta kuinon di dalam bawang merah (Allium cepa L.).…”

Section: Pendahuluanunclassified

Determination of Total Phenolic, Total Flavonoid, and Antioxidant Activity of India Onion Extract

Hidayah

Anggarani²

2022

ijcs

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Degenerative diseases can be triggered by free radicals. The disease can be inhibited by antioxidant compounds that can neutralize and destroy free radicals. The content of antioxidant compounds can be found in the genus Allium, one of which is the Indian red onion. Knowing the antioxidant activity, total phenolics, and total flavonoids of Indian shallot extract was the aim of this study. The extraction process was carried out from three solvents, namely dichloromethane, ethyl acetate, and 96% ethanol, using the multilevel maceration method with different levels of polarity. The samples tested included testing antioxidant activity using the DPPH method, total phenolics using the Folin Ciocalteu method, and total flavonoids using the aluminum chloride calorimetric method. The results showed that there were no phenolic and flavonoid compounds that had the potential as antioxidants in the dichloromethane and ethyl acetate extracts. Total phenolics, total flavonoids, and IC50 values in the ethanol extract were 2,381 mg GAE/g extract, respectively; 0.330 mg QE/g extract, and 297.8689 ppm. The IC50 value obtained is classified as a weak antioxidant.

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Section: Pendahuluanunclassified

Determination of Total Phenolic, Total Flavonoid, and Antioxidant Activity of India Onion Extract

Hidayah

Anggarani²

2022

ijcs

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“…Sehingga peneliti ingin mengetahui senyawa metabolit sekunder dari ekstrak kulit bawang merah jika dilakukan ekstraksi dengan menggunakan 5 pelarut yang berbeda. Ekstraksi merupakan hal yang diperlukan sebagai proses pengambilan senyawa kimia dalam kulit bawang merah dengan menggunakan pelarut dan metode yang tepat [9]. Ekstrak tersebut kemudian akan dilakukan skrining fitokimia.…”

Section: Pendahuluanunclassified

“…Senyawa metabolit yang diamati adalah alkaloid, flavonoid, saponin, steroid, terpenoid, tannin. [9] 2.1.…”

Section: Metode Penelitianunclassified

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Identification of Secondary Metabolites of Onion Peels Extract (Allium cepa L.) of Various Solvent

Suryandari¹,

Kusumo²

2022

Pharmasci

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Onion peels (Allium cepa L.) is often disposed of without being used and ends up as waste in markets that can pollute the environment. Onion peels can potentially be developed for treatment as an anti-cancer because of its phytochemical compounds. Previous studies have shown that secondary metabolites found in onion peels using different solvents produce different secondary metabolites. So the purpose of this study was to find out the secondary metabolite compounds from onion peels extract (Allium cepa L.) qualitatively when extracted using 5 different solvents. This research was conducted using a phytochemical screening method on the onion peels extract (Allium cepa L.). n-Hexane, Ethyl Acetate, Acetone, Ethanol 96%, and Chloroform were used in the maceration extraction method separately. The results showed that the yield value was 0.96%; 2.66%; 3.90%; 4.80%; 1.62%. The results showed that acetone, ethanol, and chloroform extracts of onion peels extract (Allium cepa L.) contained alkaloids, flavonoids, saponins, steroids, terpenoids, and tannins. Meanwhile, the ethyl acetate extract of onion peels contains alkaloids, flavonoids, steroids, terpenoids, and tannins. Lastly, the n-hexane extract of the onion peels only contains steroids and terpenoids. So it can be concluded that secondary metabolites in onion peels extract contain alkaloids, flavonoids, saponins, steroids, terpenoids, and tannins.

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“…Berdasarkan penelitian terdahulu oleh Hasibuan et al [1] Terdapat beberapa senyawa bioaktif di dalam bawang merah yaitu flavonoid, fenolik, saponin, steroid, dan triterpenoid. Selain itu, menurut Soebagio [2] Terdapat senyawa bioaktif yakni polifenol, seskuiterpenoid, monoterpenoid, serta kuinon di dalam bawang merah (Allium cepa L.).…”

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KANDUNGAN SENYAWA BIOAKTIF DAN AKTIVITAS ANTIOKSIDAN BAWANG MERAH NGANJUK (Allium Cepa L.)

Hikmah¹,

Anggarani²

2021

UJC

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Nganjuk, Jawa timur adalah daerah penghasil bawang merah, namun potensinya sebagai tanaman obat dan kosmetik belum banyak dikembangkan terutama dalam pemanfaatan senyawa bioaktifnya. Kandungan senyawa bioaktif dinilai berpotensi sebagai zat antioksidan. Tujuan penelitian ini adalah untuk mengetahui senyawa bioaktif dan aktivitas antioksidan dari bawang merah Nganjuk. Ekstraksi sampel menggunakan metode maserasi bertingkat dengan tiga jenis pelarut sesuai kepolarannya, yaitu etanol (polar), etil asetat (semi polar), dan diklorometana (non polar). Jenis pengujian sampel yang dilakukan ialah analisis senyawa bioaktif dan penentuan aktivitas antioksidan menggunakan metode DPPH. Kadar flavonoid menggunakan metode AlCl3 dan untuk penentuan kadar fenolik menggunakan metode Folin Ciocalteu. Hasil penelitian menunjukkan bahwa ekstrak bawang merah Nganjuk mengandung senyawa bioaktif flavonoid, fenolik, saponin, triterpenoid, dan kuinon. Kadar total flavonoid dan fenolik yang didapat rendah yakni secara berturut-turut sebesar 0,881% dan 0,966%. Aktivitas antioksidan ditunjukkan pada nilai IC50 pada ekstrak etanol, etil asetat, dan diklorometana berturut-turut yaitu 384,0341 ppm; 5336,7889 ppm; 884,2754 ppm. Hasil tersebut menunjukkan bahwa aktivitas antioksidan bawang merah Nganjuk sangat lemah karena nilai IC50 >200 ppm. Kata kunci : bawang merah nganjuk, senyawa bioaktif, aktivitas antioksidan

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SKRINING FITOKIMIA EKSTRAK ETANOL UMBI BAWANG MERAH (Allium cepa L.)

Cited by 11 publications

References 0 publications

Determination of Total Phenolic, Total Flavonoid, and Antioxidant Activity of India Onion Extract

Determination of Total Phenolic, Total Flavonoid, and Antioxidant Activity of India Onion Extract

Identification of Secondary Metabolites of Onion Peels Extract (Allium cepa L.) of Various Solvent

KANDUNGAN SENYAWA BIOAKTIF DAN AKTIVITAS ANTIOKSIDAN BAWANG MERAH NGANJUK (Allium Cepa L.)

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