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All Journal Pharma Xplore : Jurnal Sains dan Ilmu Farmasi
Irma Erika Herawati
Program Studi Profesi Pendidikan Apoteker, Sekolah Tinggi Farmasi Indonesia, Bandung, Jawa Barat, Indonesia.
Medicine & Pharmacology

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Total Tanin, Fenol, Falvonoid, dan Antosianin Ekstrak Biji Kedelai Hitam (Glycine soja (L.) Merr.) dan Biji Kedelai Kuning (Glycine max(L.) Merr.) Irma Erika Herawati; Siti Uswatun Hasanah; Hesty Nuur Hanifah; Lisna Dewi; Ita Inayah
Pharma Xplore : Jurnal Sains dan Ilmu Farmasi Vol 10 No 2 (2025): Pharma Xplore : Jurnal Sains dan Ilmu Farmasi
Publisher : Fakultas Farmasi Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/6d94jh93

Abstract

Soybeans were a unique type of legume because they contained important secondary metabolites, such as polyphenol compounds. Phenolic compounds were classified into several groups, including phenolic acids, flavonoids, tannins, and stilbenes, which had a common structure with multiple hydroxyl groups attached to a benzene ring. Epidemiological studies and meta-analysis data provided strong evidence that long-term consumption of polyphenol-rich products could help protect against cancer, cardiovascular diseases, diabetes, obesity, osteoporosis, and neurodegenerative diseases. The aim of this study was to analyze the flavonoid, phenol, tannin, and anthocyanin content in commercially available yellow and black soybean extracts. The extraction process was carried out using the maceration method. The total tannin and phenol content was determined using the Folin-Ciocalteu method, with tannic acid and gallic acid as standards. The total flavonoid content was measured using the AlCl₃ method with quercetin as the standard. Anthocyanin content was analyzed using the pH differential method. All measurements were conducted using a UV-Visible spectrophotometer. The results showed differences in the tannin, phenol, flavonoid, and anthocyanin content between black and yellow soybeans. Black soybeans had higher levels, with 0.074 mg/g (total tannin), 244 mg GAE/g (total phenol), 20.9 mg QE/g (total flavonoid), and 2.189 mg/100 mL (anthocyanin content).
An AKTIVITAS ANTIOKSIDAN DAN FOTOPROTEKSI DARI EKSTRAK SERTA FRAKSI DAUN JARUM TUJUH BILAH (Pereskia bleo (Kunth)D.C) Irma Erika Herawati; Ginayanti Hadisoebroto; Ita Inayah; Lisna Dewi; Syulastri Effendi; Syumillah Saepudin
Pharma Xplore : Jurnal Sains dan Ilmu Farmasi Vol 10 No 2 (2025): Pharma Xplore : Jurnal Sains dan Ilmu Farmasi
Publisher : Fakultas Farmasi Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/22pa7716

Abstract

Pereskia bleo (Kunth) D.C, commonly known as “jarum tujuh bilah,” is a plant widely found in Indonesia with elliptic to oblong-shaped leaves. This plant is traditionally recognized for its therapeutic properties, including treatments for rheumatism, inflammation, gastric disorders, ulcers, diabetes, hypertension, and as a body revitalizer. The leaves of this plant are known to contain various secondary metabolites, such as alkaloids, tannins, saponins, flavonoids, steroids, and phenolic compounds. These constituents exhibit antioxidant activity and the ability to absorb ultraviolet radiation, indicating potential as a natural sunscreen agent. This study aims to evaluate the antioxidant and photoprotective activities of the extract and fractions of P. bleo leaves through in vitro assays using UV-Vis spectrophotometry. Extraction was conducted via maceration using 70% ethanol as the solvent, followed by liquid–liquid fractionation with solvents of varying polarities: distilled water, n-hexane, and ethyl acetate. The results demonstrated that the ethanolic extract exhibited strong antioxidant activity with an IC₅₀ value of 41.5 ppm and an antioxidant activity index (AAI) of 0.963. The highest photoprotective activity was observed in the ethyl acetate fraction, with an SPF value of 73.229 (categorized as ultra protection) and an erythema transmission percentage of 0.034797 (indicative of effective sunblock activity)
Co-Authors Ginayanti Hadisoebroto Hesty Nuur Hanifah Ita Inayah Ita Inayah Lisna Dewi Lisna Dewi Siti Uswatun Hasanah Syulastri Effendi Syumillah Saepudin