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AKTIVITAS ANTIOKSIDAN PADA EKSTRAK ETANOL UBI UWI UNGU(Dioscorea alata L.) MENGGUNAKAN METODE DPPH SECARA SPEKTROFOTOMETRI UV-Vis

NANDA, PUTRI TARI 2026

Purple yam (Dioscorea alata L.) is one of the food crops that contains various secondary metabolites and has potential as a source of natural antioxidants. This study aimed to determine the antioxidant activity of the ethanol extract of purple yam (D...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA DELI TUA

FORMULASI DAN UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL DAUN KENOP (Gomphrena globosa L) PADA SEDIAAN KRIM ANTI AGING DENGAN MENGGUNAKAN METODE DPPH (2,2-Diphenyl-1-Picrylhydrazyl)

NURLIA FAZIRA 2026

Premature skin aging can be accelerated by free radicals, which cause oxidative stress and skin cell damage. Kenop leaf (Gomphrena globosa L.) contains secondary metabolites with antioxidant potential and can be developed as active ingredients in ant...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA

FORMULASI DAN UJI AKTIVITAS ANTIOKSIDAN SEDIAAN BODY BUTTER KOMBINASI VITAMIN E DAN DAUN PANDAN (Pandamus amaryllifolius) SEBAGAI PELEMBAP KULIT DENGAN METODE DPPH

LOKA, CINDY ALISYA VITA 2026

Ultraviolet (UV) radiation, air pollution, and various environmental factors can induce oxidative stress in the skin, thereby accelerating the aging process and reducing skin moisture. Consequently, the development of topical cosmetic formulations co...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA DELI TUA

PENETAPAN KANDUNGAN FENOLIK TOTAL DAN AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL DAUN TEH HIJAU (Camellia Sinensis L.) BERDASARKAN NILAI IC50 METODE DPPH

AULIA, FARADILLAH 2026

Green tea leaves (Camellia sinensis L.) contain secondary metabolites particularly phenolic compounds that have potential as natural antioxidants. This study is aimed to determine the total phenolic content and antioxidant activity of green tea leaf ...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA DELI TUA

UJI AKTIVITAS ANTIOKSIDAN FRAKSI N-HEKSANA DAN FRAKSI ETIL ASETAT DARI EKSTRAK ETANOL DAUN SAWO MANILA (Manilkara zapota L.) DENGAN METODE DPPH

KETAREN, MEYLISA FEBRIANA BR 2026

Manilkara zapota L. leaves are known to contain secondary metabolites with potential antioxidant properties. This study is aimed to evaluate the antioxidant activity of the n-hexane and ethyl acetate fractions of the ethanolic extract of Manilkara za...

Fakultas Farmasi, S1-Farmasi, institut kesehatan deli husada deli tua

FORMULASI DAN EVALUASI AKTIVITAS ANTIOKSIDAN FACE MIST BUAH BIT MERAH (BETA VULGARIS L.) DENGAN METODE DPPH

SAPRANIKI, ZAKIA MARWATI 2026

Red beetroot (*Beta vulgaris* L.) contains antioxidant compounds such as flavonoids and betalains, which have the potential to be utilized as active ingredients in cosmetic formulations. This study aimed to formulate an ethanolic extract of red beetr...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA

FORMULASI DAN EVALUASI SEDIAAN TONER WAJAH MENGANDUNG EKSTRAK DAUN PANDAN (PANDANUS AMARYLLIFOLIUS ROXB ) DAN UJI AKTIVITAS ANTIOKSIDAN SECARA IN VITRO MENGGUNAKAN METODE DPPH

SAGALA, NADRA RAIHANA 2026

Pandanus amaryllifolius Roxb. leaves were known to contain flavonoids, polyphenols, tannins, and alkaloids with potential natural antioxidant activity. The utilization of natural ingredients in cosmetic formulations was considered a safer alternative...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA

PERBANDINGAN AKTIVITAS ANTIOKSIDAN EKSTRAK BATANG DAUN PEPAYA (Carica papaya L.) MENGGUNAKAN METODE DPPH (2,2-DIPHENYL-1-PICRYLHYDRAZYL)

SIMANJUNTAK, WILDA NURITI BR 2026

Wilda Nuriti Br Simanjuntak, "Comparison of Antioxidant Activity of Papaya (Carica papaya L.) Stem and Leaf Extracts Using the DPPH Method," under the guidance of Dr. apt. Sofia Rahmi, S.Farm., M.Si. This study aimed to determine the antioxidant a...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA

PERBANDINGAN AKTIVITAS ANTIOKSIDAN EKSTRAK BATANG DAUN PEPAYA (Carica papaya L.) MENGGUNAKAN METODE DPPH (2,2-DIPHENYL-1-PICRYLHYDRAZYL

WILDA NURITI BR SIMANJUNTAK 2026

This study aimed to determine the antioxidant activity of papaya (Carica papaya L.) stem and leaf extracts using the DPPH method and to compare their activity with vitamin C as a positive control. The study was conducted experimentally through sample...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA

UJI AKTIVITAS ANTIOKSIDAN DAN NILAI SPF GEL TABIR SURYA EKSTRAK ETANOL DAUN SENGGANI (Melastoma malabathricum L.) DENGAN METODE DPPH SECARA IN VITRO MENGGUNAKAN SPEKTROFOTOMETRI UV-VISIBLE

SITUMORANG, ENDA PUTRI 2026

Excessive exposure to ultraviolet (UV) radiation can induce the formation of free radicals, increasing the risk of skin damage. Melastoma malabathricum L. leaves contain secondary metabolites with potential antioxidant and photoprotective properties....

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA DELI TUA

PROFIL FITOKIMIA EKSTRAK DAN FRAKSI DAUN MANGROVE (Rhizophora mucronata L.)BERDASARKAN KROMATOGRAFI LAPIS TIPIS DAN UJI AKTIVITAS ANTIOKSIDAN METODE DPPH

Viona Kha 2026

Rhizophora mucronata L. mangrove leaves contain various secondary metabolites, especially flavonoids and phenolic compounds, which have the potential as natural antioxidants. This study is aimed to identify secondary metabolite compounds and determin...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA

UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL DAUN MIMBA ( AZADIRACHTA INDICA A. JUSS ) DENGAN METODE DPPH MENGGUNAKAN SPEKTROFOTOMETRI UV-VIS

HARAHAP, ELSA SUSANTI 2026

Free radicals are molecules that have one or more unpaired electrons that can trigger cell damage. One of the natural sources of antioxidants that has the potential to ward off free radicals is neem leaves (Azadirachta indica A. Juss) because they co...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA

UJI ANTIOKSIDAN EKSTRAK ETANOL DAUN KARI (MURRAYA KOENIGII (L.) SPRENG) DENGAN METODE DPPH (2,2-DIPHENYL-1-PICRYHIDRAZYL) MENGGUNAKAN SPEKTROFOTOMETRI UV-VIS

LUBIS, RUWIYANA HAFIZAH 2026

This study aimed to test the antioxidant activity of ethanol extract of curry leaves (Murraya koenigii (L.) Spreng) using the 2,2-Diphenyl-1-picryhidrazyl (DPPH) method. This study was conducted experimentally with maceration extraction, and followed...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA DELI TUA

UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL DAN FRAKSI BIJI ALPUKAT (PERSEA AMERICANA MILL.) DENGAN METODE DPPH

GIOVANI MARIA ESTELLA SINAMBELA 2026

Free radicals are molecules containing unpaired electrons that can induce oxidative stress and contribute to the development of various degenerative diseases. One potential source of natural antioxidants is avocado seed (Persea americana Mill.), whic...

S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA DELI TUA

UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL DAUN TEBU HIJAU (Saccharum officinarum L.) MENGGUNAKAN METODE DPPH

SILITONGA, WIDIA GABRIELA 2026

Free radicals are unstable atoms because they have one or more unpaired electrons, making them highly reactive and potentially damaging to tissues. Antioxidants are compounds that can inhibit or neutralize free radical activity, thereby protecting bo...

Fakultas Farmasi, S1-Farmasi, INSTITUT KESEHATAN DELI HUSADA