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All Journal Jurnal AGROTEKNOLOGI Rekayasa Mesin Pembangunan Pedesaan agriTECH Berdikari: Jurnal Pengabdian Masyarakat Indonesia Performance Jurnal Litbang Provinsi Jawa Tengah Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Media Ekonomi Indonesian Journal of Food Technology Eko-Regional: Jurnal Pembangunan Ekonomi Wilayah Eko-Regional: Jurnal Pembangunan Ekonomi Wilayah
Mustaufik
Jurusan Teknologi Pertanian Universitas Jenderal Soedinnan, Purwokerto
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Pengaruh Spesies Zingiberaceae (Jahe, Temulawak, Kunyit, dan Kunyit Putih) dan Keetbalan Isiran Sebelum Pengeringan terhadap Kadar dan Aktivitas Antioksidan Ekstrak Aseton yang Dihasilkan Aisyah Tri Septiana; Mustaufik Mustaufik; Hidayah Dwiyanti; Deddy Muchtadi; Fransiska Zakaria; Maria Menu Ola
agriTECH Vol 26, No 2 (2006)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1468.305 KB) | DOI: 10.22146/agritech.9473

Abstract

This research was aimed to determine the influence ofzingiberaceae species and the influence ofslice thickness before drying process by using cabinet dryer to the antioxidant content (total phenolics and curcumin) and antioxidant activity (absorbance of peroxide and malonaldehide ). The results of the research showed that total phenolics of turmeric extract (216.57 ppm) and temulawak (190.41 ppm) > ginger (127,97 ppm) > white turmeric extract (31,13 ppm), where as curcumin content of turmeric (55,93 ppm) and temulawak extract (48,95 ppm) > white turmeric (6,51 ppm) and ginger extract (4,67 ppm). The antioxidant activity that is indicated peroxide and malonaldehide forming from 1 inoleic acid which is supplemented to temulawak extract, turmeric, and ginger extract > white turmeric extract. Turmeric, temulawak, and ginger extract had the antioxidant activity higher than tocopherol, where as white turmeric had lower antioxidant activity than a tocopherol. The slicing sample with slice size of 4 mm before drying process with cabinet dryer had rate and antioxidant activity better than that of 2 mm. The total phenolics of zingiberaceae extract with slice size of 4 mm (161,86 ppm) > 2 mm (121,18 ppm), and the curcumin content of zingiberaceae extract with slice of 4 mm (34,58 ppm) > 2 mm (23,45 ppm). The slice of 4 mm had a relatff higher value than the slice of 2 mm to the antioxidant activity zingiberaceae extract that is indicated peroxide and malonaldehide formation.
Pengaruh Penambahan Rempah dan Bentuk Minuman terhadap Aktivitas Antioksidan Berbagai Minuman Tradisional Indonesia Aisyah Tri Septiana; Mohammad Samsi; Mustaufik Mustaufik
agriTECH Vol 37, No 1 (2017)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (549.174 KB) | DOI: 10.22146/agritech.17001

Abstract

Indonesia traditional beverages such as minuman jahe, kunyit asam, beras kencur, and minuman temulawak are usually made with the addition of spices. They can be served in the form of  liquid or powder. This research was aimed to study the effect of  the beverage type, addition of spices, and the form of product on their antioxidant activity. The type of sugar used in this study was palm sugar juice. Total phenolic contents were measured to  indicate the level of antioxidants. Measurement of antioxidant  activity was conducted by analyzing malonaldehyde from linoleic  acid and capturing capacity of DPPH radical. The results showed  that Indonesian traditional beverage could inhibit the oxidation of linoleic acid and capture free radicals. Free radical capturing  capacity of curcuma beverage greater than other beverages, but  the malonaldehyde (MDA) inhibitor effect was not different. Total phenolic content of curcuma tended to be higher than the other traditional beverages. The addition of spices could raise the level  of total phenolic content in beverages and increase free radical  trapping capacity. Drying the beverages into powder could reduce the levels of total phenolic content and but did not reduce the  antioxidant activity. ABSTRAKMinuman tradisional Indonesia seperti minuman jahe, kunyit  asam, beras kencur, dan minuman temulawak biasanya dibuat  dengan tambahan berbagai rempah. Minuman tersebut dapat  disajikan dalam bentuk cair maupun serbuk. Penelitian ini  bertujuan untuk mengetahui pengaruh jenis minuman,  penambahan rempah tambahan, dan bentuk minuman terhadap aktivitas antioksidan minuman. Jenis gula yang ditambahkan  adalah gula nira. Jenis antioksidan yang diuji adalah total fenolik. Pengukuran aktivitas antioksidan dilakukan dengan uji  penghambatan malonaldehid dan kapasitas penangkapan radikal  DPPH. Hasil penelitian menunjukkan bahwa minuman  tradisional Indonesia dapat menghambat oksidasi asam linoleat dan menangkap radikal bebas. Kapasitas penangkapan radikal  bebas oleh minuman temulawak lebih besar dibandingkan  minuman yang lain tetapi kemampuan penghambatan  malonaldehid (MDA) oleh minumaan tradisional tidak berbeda.  Total fenolik minuman temulawak cenderung lebih besar  dibandingkan minuman tradisional yang lain. Penambahan  rempah-rempah dapat meningkatkan kadar total fenolik  minuman dan meningkatkan kapasitas penangkapan radikal  bebas. Pembuatan minuman serbuk pada penelitian ini dapat  menurunkan kadar total fenolik tetapi tidak menurunkan aktivitas antioksidan.
Co-Authors A.A. Ketut Agung Cahyawan W Aisyah Tri Septiana Aisyah Tri Septiana Andrian Andrian Budi S Budi Sustriawan Deddy Muchtadi Eka Safitri Elza, Livianinda Erminawati Erminawati Fitri Amalinda Harahap Fransiska Zakaria Hidayah Dwiyanti Hitapriya , Adeka Sangtraga Ike Sitoresmi Isti Handayan Isti Handayani Khasanah, Jannata Utswatun Laeli Budiarti Maria Menu Ola Masrukhi Mela, Ervina Mohammad Samsi Nur Aini Pepita Haryanti Prasetyo, Kunandar Ramadani, Nurista Riski Ritonga, Abdul Mukhlis Rumpoko Wicaksono S, Budi Suliyanto . Ulfah Nurdiani Wahyu Adhi Saputro Weni Novandari