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All Journal Konversi Sains Natural: Journal of Biology and Chemistry Jurnal Pelayanan dan Pengabdian Masyarakat (Pamas) Jurnal Pengabdian Ilung (Inovasi Lahan Basah Unggul) Jurnal Ilmiah Berkala: Sains dan Terapan Kimia Jurnal Natural Scientiae
Azidi Irwan
Program Studi Kimia FMIPA Universitas Lambung Mangkurat Jl. A. Yani Km 36 Banjarbaru, Kalimantan Selatan
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Journal : Jurnal Natural Scientiae

 1 
EKSTRAKSI DAN KARAKTERISASI MINYAK ATSIRI DARI DAUN LIMAU KUIT DENGAN METODE DISTILASI UAP–AIR DAN KONDENSOR BOLA TERMODIFIKASI SERTA ANALISIS KOMPOSISINYA MENGGUNAKAN GC-MS Veronika Lasmaida Panjaitan; Azidi Irwan
Jurnal Natural Scientiae Vol 3, No 1 (2023)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jns.v3i1.8289

Abstract

Limau kuit is a typical orange from South Kalimantan which is used by the Banjar people in some certain local culinary. This experiment is explorative research that aims to determine the yield of essential oils obtained by hydrosteam distillation method with ball condenser (type of Allihn) cooling, to determine the characterization of the oil comprising specific gravity, refractive index, optical ratation, solubility in alcohol, the composition of using GC-MS. The leaves of limau kuit were air-dried for one week to decrease the water content and then were cut into smaller pieces about 5 mm in size. A 2.050 grams of the sample lay into the tray of the distillation kettle which was filled with adequate water. The distillation was carried out for about 6 hours and 50-60oC in temperature. The results showed that the performed extraction yielded 0.59%-(v/w) or 0.52%-(w/w) of oils. The oil values of specifie graviry, refractive index, optical ratation, and solubility in alcohol 90% were 0.8285, 1.472, (-)1.90, and 1:4 respectively. The CG-MS analysis showed 31 chemical compounds of the oils and these were five the dominants: γ-terpinene (24,19%), followed by prehnitene (18,26%), (+)-4-carene (8,53%), β-cis-ocymene (7,20%), and β-pinene (5,46%) respectively.
PENGARUH PEMBERIAN PUPUK NPK TERHADAP PERUBAHAN INTENSITAS WARNA RELATIF AIR YANG DILEWATKAN PADA TANAH GAMBUT SECARA IN VITRO Azidi Irwan; Rahmat Yunus
Jurnal Natural Scientiae Vol 2, No 1 (2022): Mei 2022
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jns.v2i1.5020

Abstract

Telah dilakukan penelitian tentang pengaruh pemberian pupuk NPK terhadap perubahan intensitas warna relatif air yang dilewatkan pada tanah gambut secara in vitro. Penelitian dilakukan dengan cara melewatkan air pada tanah gambut yang telah dicampurkan dengan pupuk NPK dengan variasi konsentrasi 0; 1; 5; 10, dan 20% (b/b) dengan berat total 100 gram dalam sebuah kolom, kecepatan aliran air sebesar 1 mL/menit. Air yang keluar dari kolom ditampung setiap interval 8 jam selama 7 hari pengamatan dan diambil datanya berupa nilai pH dan absorbans. Nilai pH larutan pupuk NPK murni dalam air dengan konsentrasi 10, 20, 30, 40, dan 50% juga diamati sebagai pembanding, diperoleh pH larutan yang kontinyu menurun, yaitu berturut-turut 5,122; 4,821; 4,622; 4,566; dan 4,492. Pada air sampel sebaliknya ditunjukkan naiknya konsentrasi pupuk NPK pada tanah menyebabkan rerata pH air sampel yang dihasilkan cenderung mengalami peningkatan, yaitu berturut-turut 5.47; 5.40; 5,86; 5,71, dan 5,83. Larutan kemudian diukur nilai absorbansinya menggunakan spektrofotometer UV-Vis pada  344 nm. Hasilnya menunjukkan perubahan intensitas relatif warna air tertinggi terjadi pada konsentrasi 10% (b/b) pada interval waktu 24 jam, yaitu sebesar 359%. Hasil spektra FTIR pada endapan sampel menunjukkan lima buah puncak dominan untuk gugus fungsi –OH, –NH, –COOH, –C=N, dan O–CH3.Kata kunci: tanah gambut, pupuk NPK, intensitas warna air.
Karakteristik dan Komposisi Minyak Atsiri dari Sampel Gabungan Daun-Ranting Limau Kuit Asal Astambul dan Aranio Fitria, Delfa Nayla; Irwan, Azidi; Abdullah, Abdullah
Jurnal Natural Scientiae Vol 4, No 1 (2024): Mei 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jns.v4i1.11752

Abstract

Limau kuit is believed to be a local orange from South Kalimantan. Limau kuit has a distinctive aroma different from other oranges and is thought from its essential oil. The essential oil from limau kuit has the potential to be extracted and produced into valuable goods. Limau kuit essential oil from a combination of leaves and twigs has never been reported before. The composition of essential oils is influenced by genetic and environmental factors. The region producing limau kuit in Kabupaten Banjar is in Kecamatan Astambul and Kecamatan Aranio. These places geographically have different conditions, especially the altitude of the location, so it is thought to have a difference in the essential oils. This research aims to obtain essential oil from the leaves and twigs of limau kuit by hydrosteam distillation and determine the characteristics and composition of each plant's origin. Hydrosteam distillation was carried out for 6 hours at 60-70 °C. The essential oil of leaves and twigs of limau kuit is transparent pale yellow and has an aroma similar to the source with an average yield of 0.6027% (v/w) or 0.5062% (w/w). The specific gravity, refractive index, optical rotation, and solubility in alcohol, respectively, of Astambul essential oil are 0.8540; 1.4792; (-14.05); and 1:6; and Aranio 0.8495; 1.4792; (+)0.16, and 1:7. Based on the results of GC-MS analysis, the components of Astambul and Aranio essential oils overall tend to be the same with a difference of 25%. Number of compounds in essential oil from Astambul was 32, while from Aranio was 38. The three main compounds in essential oils from Astambul and Aranio are g-terpinene, o-cymene, and (+)-bicyclogermacrene, with the respective %area in Astambul essential oil, was 25%; 13.22%, and 6.38%; and Aranio was 22.43%; 11.68%; and 5.88%.KEYWORD : Limau kuit leaves-twigs; essential oil; hydrosteam distillation; Astambul; Aranio.
Co-Authors Abdullah Abdullah Abdullah Abdullah Adi Maulana Ahmad Budi Junaidi Aminonatalina Aminonatalina Arief Rahmad Maulana Akbar Asmianoor Latifah Aulia Azizah Ayu Savitri Bambang Sugiyanto Sugiyanto Dahlena Ariyani Dewi Umaningrum Dwi Rasy Mujiyanti Fitria, Delfa Nayla Idris, Muddatstsir Kamilia Mustikasari Karlini Karlini Maria Dewi Astuti Ma’rifatul Mahmudah Muhammad Agus Muljanto Muktiningsih Nurjayadi Munadi Munadi Nasution, Annio Indah Lestari Noer Komari Nur ‘Azah Oni Soesanto Soesanto Paola Anna Elena Bianchi Radna Nurmasari Rahmat Eko Sanjaya Rahmat Rahmat Yunus Rahmat Yunus Rahmat Yunus Rahmat Yunus Yunus Randy Saputra Risnu Aritofa Rizki Fitria Rodiansono Rodiansono Rusdiana Rusdiana Rusdiana Rusdiana Soesanto, Oni sunardi sunardi Sunardi Sunardi Sunardi, Ph.D., Sunardi Susilo, Tanto Budi Taufiqur Rohman Umi Baroroh Lili Utami Uripto Trisno Santoso Veronika Lasmaida Panjaitan Wiwin Tyas Istikowati Yenny Era Nova Yudha Adi Pratama Putra Yunita Yunita Zakiyatir Rahmi