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Dewi, Yossie Kharisma
Universitas Riau
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Social Sciences Other

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Journal : Jurnal Teknologi Pertanian Andalas

 1 
AKTIVITAS ANTIOKSIDAN DAN MUTU TEH HERBAL DAUN MANGGA BERDASARKAN LETAK DAUN PADA RANTING Muhammad Zikmi Pulungan; Faizah Hamzah; Noviar Harun; Yossie Kharisma Dewi
Jurnal Teknologi Pertanian Andalas Vol 26, No 2 (2022)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jtpa.26.2.248-253.2022

Abstract

This study aims to obtain antioxidant activity and the best quality of mango leaves herbal tea based on the location of the leaves on branches. The research has been experimentally using a completely randomized design (CRD) with 4 treatments and 4 replications, so that 16 experimental units obtained. The treatments used were P1: Leaf shoots, P2: Young mango leaves (numbers 1-3 after the shoot), P3: Old mango leaves (numbers 4-6 after shoots) and P4: Oldest mango leaves (numbers 7-9 after shoots). Observations made on mango leaf herbal tea were water content, ash content, total phenol, antioxidant activity and sensory assessment. The data obtained from the observation analyzed statistically using analysis of variance (ANOVA) with IBM SPSS software version 23. The results showed that the best treatment for mango leaf herbal tea based on the location of the leaves on the selected branches was the P1 (leaf shoot) treatment because it had very strong antioxidant activity. The antioxidant activity of P1 treatment with IC50 value was 25,91ppm, total phenol was 25.90%, water content was 9.95%, and ash content was 2.42%, with a descriptive green-yellow color, slightly mango leaf-scented and slightly bitter taste.
KARAKTERISTIK GEL HAND SANITIZER BERBAHAN DASAR EKSTRAK LIMBAH KULIT NANAS DAN SERAI WANGI Yossie Kharisma Dewi; Yanti Nopiani; Vonny Setiaries Johan; Edo Saputra; Muhammad Idhamsyah; Putri Ayuni
Jurnal Teknologi Pertanian Andalas Vol 27, No 1 (2023)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jtpa.27.1.45-53.2023

Abstract

Limbah kulit nanas mengandung senyawa flavonoid, tanin, dan saponin serta mengandung senyawa yang berpotensi sebagai antibakteri. Serai wangi juga memiliki komponen senyawa utama yang terdiri dari sitronellal, sitronellol, dan geraniol yang memiliki kemampuan aktivitas antibakteri. Penelitian ini bertujuan untuk mengetahui keefektifitasan serta memperoleh rasio terbaik limbah kulit nanas dengan campuran ekstrak serai wangi sebagai bahan aktif antibakteri pengganti alkohol dalam bentuk gel hand sanitizer. Hasil penelitian menunjukkan bahwa rasio ekstrak kulit nanas dan ekstrak serai wangi berpengaruh nyata terhadap karakteristik dan aktivitas antibakteri gel hand sanitizer yang dihasilkan. Perlakuan terbaik dalam penelitian ini adalah KNSW4 (ekstrak kulit nanas 75% : 25% ekstrak serai wangi) memberikan karakteristik fisikokimia gel hand sanitizer dengan nilai viskositas 333,10 cP, densitas 1,07 g/mL, homogenitas yang baik, pH 3,6, dan daya sebar 7,98 cm. Uji organoleptik menunjukkan hand sanitizer yang dihasilkan memiliki warna cokelat kekuningan, agak beraroma serai wangi, tekstur agak lengket dan secara keseluruhan agak disukai oleh panelis. Hasil penelitian ini diharapkan dapat menjadi inovasi bagi masyarakat dalam pemanfaatan limbah kulit nanas dan serai wangi sebagai bahan baku gel hand sanitizer alami. 
Co-Authors Agustina, Hylda Putri Ahmad Ibrahim Roni Surya Hasibuan Andry Kurniawan, Mhd Angga Pramana Anthony Hamzah Apriani, Imelda Nur AR, Nur Hasnah Arya Dika Ayu Diana Ayu Lestari P, Putri Dewi Fortuna Ayu Edo Saputra Erpiani Siregar EVY ROSSI Fadhilah, Tiyah Faizah Hamzah Faizah Hamzah Fajar Restuhadi Firmansyah, M. Hafiddin Fortuna Ayu, Dewi Gussamwang, Muhammad Hamzah, Farida Hanum Hanum Hamzah, Farida Harahap, Hamdan Fauzi Harvey, Edwardo Hasnah, Nur Imelda Yunita Lestari, Ririn Puji Mhd Andry Kurniawan Muhammad Idhamsyah Muhammad Zikmi Pulungan Mutiara, Elisa Nopiani, Yanti Noviar Harun Noviar Harun Nugroho, Wahyu Satrio Nur Hasnah AR Putra, M. Hidayatullah Setia Dharma Putri Ayuni Putri, Cahya Dwi Putri, Desi Septia Putri, Rindika Agustalisma Rahmadini Payla Juarsa Raswen Efendi Resdati Riftyan, Emma Rossi, Evy S Siswanto Sayuti, Kesuma Shanti Fiftriani Shanti Fitriani Simarmata, Robinson Tua B Siswanto Susanti, Dewi Susi Theresia Meilaxty Rumapea Tuty Anggraini Usman Pato USMAN PATO Va, Hanny Sc Vonny Setiaries Johan Vorensi, Vikky Wike Rahfani Yelmira Zalfiatri Yusmarini Yusmarini Yusni Maulida