cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Suhartono
Contact Email
suhartono@usk.ac.id
Phone
-
Journal Mail Official
jurnal.natural@fmipa.unsyiah.ac.id
Editorial Address
Block A 2nd Floor FMIPA USK Jl. Tegk. Syech Abdurrauf No. 3, Banda Aceh, 23111, Indonesia
Location
Kab. aceh besar,
Aceh
INDONESIA
Jurnal Natural
Published by Universitas Syiah Kuala
ISSN : 14118513     EISSN : 25414062     DOI : https://doi.org/10.24815/jn
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Energy Immunology & microbiology Neuroscience Physics
Jurnal Natural (JN) aims to publish original research results and reviews on sciences and mathematics. Jurnal Natural (JN) encompasses a broad range of research topics in chemistry, pharmacy, biology, physics, mathematics, statistics, informatic and electronic.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 457 Documents
 39   40   41   42   43 
TRIGONELLA FOENUM : A REVIEW OF HYPOGLYCEMIC ACTIVITY Suryawati Suryawati; Safrida Safrida; Firdausa Sarah; Azizah Vonna; Vera Dewi Mulia
Jurnal Natural Volume 19 Number 3, October 2019
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v19i3.13405

Abstract

Treatment of diabetes mellitus is intended to reduce the risk of blindness, kidney failure, neuropathy and heart disease that can develop due to the chronic increase in the blood glucose level. The selected hypoglycemic agents should be effective, safe and readily available. The widely used agents work by interrupting enzymes responsible for glucose regulation. Those enzymes are α-amilase, α-glucosidase, dipeptidyl peptidase-IV, aldose reductase and angiotensin converting enzyme. A medicinal plant, fenugreek (Trigonella foenum-graecum) has been used as an antidiabetic folk medicine. This review provides information related to in vitro studies showing antihyperglycemic activity of fenugreek along with an in vivo study in animals. In addition, potential phytochemicals that have been isolated from this plant are described and play a role in the searching for the most potent agents for diabetes mellitus therapy.
SINTESIS MEMBRAN POLIURETAN BERBASIS MINYAK BIJI ALPUKAT (Avocado Seed Oil) DAN HEKSAMETILEN-1,6-DIISOSIANAT (HMDI) Fitriani Fitriani; Marlina Marlina; Khairan Khairan
Jurnal Natural Volume 16, Number 2, September 2016
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v16i2.5126

Abstract

This research aims to synthesize polyurethane membrace from avocado seed oil as a source of hydrixyl (-OH) and hexametylhene -1.6-dissocyanate (HDMI) as a source of isocynate (-NCO). The oil were extracted from avocado seeds at temperature of  60-80oC for 2 hours using n-hexane solvent. The results of FTIR spectrum analysis from avocado seed oil showed that there were -OH clusters absorption on the wavelength number of 3393.819 cm-1, thus this oil can be used to synthesize polyurethane membrane. The isocyanate composition, time and temperature during synthesis process of polyurethane membrane were varied. The polyurethane membrane were moulded in petri dishes, then heated up for 48 hours on the temperature of  70oC, and finally taken out from its mould. The characteristics of the polyurethane membrane from avocado seed oil are brown in colour, homogenous, elastic, solid, transparent and shaped like a membrane. The measurements from FTIR spectrum showed that the -NCO clusters are no longer present. This condition happened because there were no more absorption in the wavelength number of  2270 cm-1 . It can be concluded that the isocyanate has completely reacted during polymerization and the curing process, thus urethane was created in the 1699,965 cm-1 absorption which was the urethane C=O clusters absorption.
Types of plants that are used for postpartum care and conservation efforts in Singkil Subdistrict HASANUDDIN HASANUDDIN; ASIAH ASIAH; VIVERA RUSELLI PUSPA; WARDIAH WARDIAH; DEWI ANDAYANI
Jurnal Natural Volume 22 Number 2, June 2022
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v22i2.22869

Abstract

Inventory of postpartum care plants is a collection of types of plants used by the community in healing postpartum care. This study aims to find out the types, parts, and ways of processing plants used in postpartum care as well as conservation efforts made to plants that have the potential as postpartum care in Singkil District, Aceh Singkil Regency. The research was conducted in July until August 2020, and data collected using a qualitative descriptive method with structural observations and interviews. The data source taken was 50 respondents consisting of 10 physicians, 10 midwives, and 30 mothers who had given birth. Data analysis is done descriptively using a qualitative approach. The results of the study obtained 31 species of plants used for postpartum care, parts of plants used to consist of fruit, seeds, stems, flowers, leaves, tubers, and rhizomes, the processing was carried out by boiling and grinding.
THE EFFECT OF SOME OF COCONUT WATER CONCENTRATION IN ARTIFICIAL MEDIA TO CHRYSANTHEMUM GROWTH (Dendranthema grandiflora) BY IN VITRO Nurur Rahmy; Zairin Thomy; Yunita Yunita; Essy Harnelly
Jurnal Natural Volume 19 Number 2, June 2019
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v19i2.11541

Abstract

Artificial medium for in vitro culture is an alternative media to subtitute Murashige and Skoog (MS). Growmore added with organic substances as coconut water can be used as artificial medium. Coconut water can affect plant growth, so the research is to investigate the influence of coconut water in different concentration to chrysanth’s (Dendranthema grandiflora) growth should be done. The research was conducted in Laboratory of Molecular and Cell Biology, Department of Biology, Faculty of Mathematics and Natural Sciences, Syiah Kuala University Darussalam, Banda Aceh, from April until July 2013. The research was designed by using Randomized Block Design with sub sampling. Media act as group, while coconut water concentration as treatment. Observation was started from growing time up to a month after planting. The result showed that there was no significant different between using MS and artificial medium with different coconut water concentration to initiate shootlet.
The difference in leaves production, protein and calcium of Moringa oleifera under modification planting media, application of PGR and nitrogen SULISTIANI, RINI; YUSUF, MUKHTAR; SARAGIH, SYAIFUL AMRI
Jurnal Natural Volume 24 Number 1, February 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v24i1.32403

Abstract

Moringa has many ingredients of nutrients that are beneficial for food sources and nutrients that have not been widely cultivated. The nutritional content, benefits and high demand for Moringa abroad will open large opportunities for exporting Moringa flour. Foods full of nutrition will support the maintenance of good public health. For this reason, it is necessary to study and research cultivation techniques that produce high Moringa leaves and can be available sustainably. Production of Moringa leaves as a source of secondary metabolites can be increased by modifying the planting media and applying Plant Growth Regulator (PGR) and Nitrogen. The study used Split Split Plot Design with the main plot immersion by PGR, consisting of 3 types, namely: G1 (Fresh water), G2 (Coconut water), and G3 (GA3). The subplot was the treatment of planting media with two types: M (soil: sand: manure = 1:1:2); M (soil: sand: manure = 1:2:1). The sub subplots were N (urea) fertilizer, with four levels: N0 (0 g/plant); N1 (5 g/plant); N (10 g/plant); and N (15 g/plant). Each treatment combination goes over three times. The agronomic parameters observed were plant height, the number of leaves, fresh crop weight, and root volume, and the biochemical parameters observed were chlorophyll, protein, and calcium levels. The composition of the planting media caused significant differences in plant height at 4, 6, and 10 weeks after planting (WAP), the number of leaves at 4 WAP, and root length at 10 WAP. Growth Regulators significantly affected plant height at 4, 6, and 10 WAP, the number of leaves at 4 WAP, and root length at harvest. Nitrogen fertilization caused significant differences in plant height at 4, 6, and 10 WAP, volume, and root length at harvest (10 WAP). The combination of Planting media, PGR, and Nitrogen treatments caused significant differences in plant height at 4, 6, and 10 WAP and the number of leaves at 6 WAP. Laboratory analysis in this study showed high calcium and protein in Moringa leaves.
Development of Fourier transform infrared spectrophotometric method for identification and determination of marketed metamizole tablet preparation NERDY NERDY; EFFENDY DE LUX PUTRA; NILSYA FEBRIKA ZEBUA; CHRISTICA ILSANNA SURBAKTI; JIHAN SAFIRA
Jurnal Natural Volume 21 Number 1, February 2021
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v21i1.18318

Abstract

Metamizole is a nonsteroidal antiinflammatory drug (NSAID) that functions as an analgesic, antipyretic, and antiinflammatory. Examination of active substance contents is a requirement that must be met to ensure the quality of drug preparations. The aims of this study were to develop and validate the Fourier Transform Infrared spectrophotometric method for the quantitation of metamizole content in marketed tablet preparation. Identification and determination of metamizole contents by Fourier Transform Infrared spectrophotometric method used methanol solvent in the wavenumber range 4000 cm–1 to 650 cm–1. The results showed that the specific wavenumbers of metamizole were 1649.3 cm–1; 1623.3 cm–1; and 1589.7 cm–1; and the contents metamizole in marketed tablet preparation ranged from (97.954 ± 0.121)% to (104.541 ± 0.257)%. From the validation method, the recovery result is 100.129%; the relative standard deviation is 0.057%; the limit of detection is 2.09526 mg/mL; the limit of quantitation is 6.34928 mg/mL; and the range 40 mg/mL to 60 mg/mL. The quantitation of metamizole contents can be carried out by Fourier Transform Infrared spectrophotometric method with accurate and precise quantitation results.
ISOLATION OF ESSENSIAL OIL OF NUTMEG (Myristica fragrans Houtt) and ANTIOXIDANT ACTIVITY TEST WITH DPPH Binawati Ginting; Ratna Maira; Mustanir .; Hira Helwati; Lydia Septa Desiyana; Rohmat Mujahid
Jurnal Natural Volume 18, Number 1, February 2018
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v18i1.6604

Abstract

The essential oil of the nutmeg plant (Myristica fragrans Houtt) has been obtained from roots, bark, fruit, mace and seeds using Stahl steam distillation. Each essential oil have tested for antioxidant activity with DPPH. Antioxidant activity of essential oil from each nutmeg plant to DPPH with concentration 25, 50 and 100 ppm. Each essential oil did not show strong antioxidant activity but the result of nutmeg isolation had strong antioxidant activity with IC50 that was 80,555 ppm. Based on GC-MS analysis of essential oil of nutmeg isolate obtained myristicin compound with 96.52% area and time Retention 22.127. Myristicin is one of the main components of essential oils of nutmeg plants that play an important role as antioxidants. Keywords: Nutmeg plant (Myristica fragrans Houtt), Essential Oil, DPPH, Antioxidant radicalsREFERENCES Suryanti, Siti. 2014. Metabolit Sekunder Pada Tanaman dan Fungsinya. http://seputarduniasains.blogspot.com Diakses tanggal 2 juni 2015. Gupta, A. D., Bansal, V. K., Babu, V., Maithil, N. 2013. Chemistry, antioxidant and antimicrobial potential of nutmeg (Myristica fregrans Houtt) Journal of Genetic Engineering and Biotechnologyh 11:25-31. Rodianawati, I., Hastuti, P., Cahyanto, M. N. 2015. Nutmeg’s (Myristica fragrans Houtt) Oleoresin: Effect of Heating to Chemical Compositions and Antifungal Properties Procedia Food Science 3:244-254. Masyithah, Z. 2006. Pengaruh Volume dan Konsentrasi Pelarut pada Isolasi Trimiristin dari Limbah Buah Pala Jurnal Teknologi Proses 5(1) Januari; 64-67. Wibowo, S dan Komarayati, S. 2015. Sifat Fisiko Kimia Minyak Cupresus (Cupressus benthamii) Asal Aek Nauli, Parapat Sumatera Utara Jurnal Penelitian Hasil Hutan 33 (2) Juni 2015: 93-103. Nurdjannah, N. 2007. Teknologi Pengolahan Pala. Badan Penelitian dan Pengembangan Pertanian. Bogor. Hellen, M, Vargheese, T.N, Kumari, J, Abiramy, Sajina, Sree, J, 2012, Phytochemical Analysis and Anticancer Activity of Essential Oil From Myristica fragrans, International Journal of Current Pharmaceutical Review and Research. Chatterjee, S, Zareena Niaz, S. Gautam, Soumyakanti Adhikari, Prasad S. Variyar, Arun Sharma, 2007, Antioxidant Activity of Some Phenolic Constituents from Green Pepper (Piper nigrum L.) and Fresh Nutmeg Mace (Myristica fragrans) J. Food Chemistry 101, 515–523. Sulaiman, S. F and Kheng, L. O. 2012. Antioxidant and anti food-borne bacterial activities of extracts from leaf and different fruit parts of Myristica fragrans Houtt. Food Control 25:533-536.Akinboro, A, Kamaruzzaman, M. B, Asmawi, M. Z, Sulaiman, S. F, Sofiman, O. H. 2011. Antioxidans in Aqueous extract of Mirystica fragrans (Houtt) Suppress Mitosis and Cyclophosphamide-induce chromosomal aberrations in Allium cepa L. Cells, Journal of Zhejiang University-SCIENCE B (Biomedicine Biotechnology). ISSN 1673-1581 (Print); ISSN 1862-1783 (Online).www.zju.edu.cn/jzus; www.springerlink.comGinting, B., 2013, Aktifitas Antifungi Ektrak Daun Pala (Mirystica fragrans Houtt), Prosiding Seminar Nasional Kimia tahun 2013. Ginting, B, T. Barus, P, Simanjuntak, L. marpaung., 2013, Isolasi dan Sifat Antioksidan Total Flavonoid Daun Pala (Mirystica fragrans Houtt), Prosiding Seminar Nasional Kimia, Samarinda Ginting, B, T. Barus, P, Simanjuntak, L. marpaung.,2013, Isolasi dan Dan Penentuan Aktivitas Antioksidan  Total Alkaloid Daun Pala (Mirystica fragrans Houtt), Prosiding Seminar Nasional Yusuf Banseh Ginting, B, T. Barus, P, Simanjuntak, L. marpaung., 2016, Isolation and Identification of Flavonoid Compound from Nutmeg Leaves (Mirystica fragrans Houtt), Asian Journal Of Chemistry. Ginting, B., Mustanir., Helwati, H., Desiyana, L. S., Eralisa, Mujahid, R. 2017.  Antioxidant Activity Of N-Hexane Extract Of Nutmeg Plants From South Aceh Province. Jurnal Natural 17(1) Ramaswany, V. N., Varghese, A., Simon. 2011. An Investigation on Cytotoxic Ternatea L International Journal of Drug Discovery 3: 74-77. ISSN : 0975-4423. Guenther, E. 1987. Minyak Atsiri Jilid 1, terjemahan dari: Essensial oil. Penerjemah: Ketaren S, Universitas Indonesia Press, Jakarta.Harborne, J.B. 1987. Metode Fitokimia: Penentuan Cara Moderen Menganalisa Tumbuhan. Terjemahan dari Phytochemical Methods oleh Kosasih Padmawinata. ITB. Bandung.Sipahelut, S. G. 2012. Karakteristik Minyak Daging Buah Pala (Myristica fragrans Houtt) Melalui Beberapa Cara Pengeringan Dan Distilasi Journal Agroforestri 7(1) Maret 2012.Andini, V., Gupta, S., Chatterejee, S., Variyar, P.S and Sharma, A. 2015. Activity Guided Characterization of Antioxidant Components from Essential Oil of Nutmeg (Myristica fragrans). Vol 52; 221-230.Nagja, T., Vimal, K, Sanjeev, A. 2015. Myristica fragrans: A Comprehensive Review International Journal of Pharmacy and Pharmaceutical Sciences 8 (2).Isnindar., Wahyuono, S., Setyowati, E.P. 2011. Isolasi dan Identifikasi Senyawa Antioksidan Daun Kesemek (Diospyros kaki Thunb.) dengan Metode DPPH (2,2-difenil-1-pikrilhidrazil). Majalah Obat Tradisional. 16(3), 157-164.Ramy, M., Fayed, S.A and Mahmoud, G.I. 2010. Chemical Compositions, Antiviral and Activities of Seven Essential Oils. Journal of Applied Sciences Research. 6(1); 50-62.Indriaty, F., Assah, Y., Mamahani, S.N. 2015. Serbuk minuman berbasis daging buah pala. Baristand. Manado.Morita, T., Jinni, K., Kawagishi, H., Arimoto, Y., Suganuma, H., Inakuma, T, and Sigiyama, K. 2003. Hepatoprotective Effect or Myristicin from Nutmeg (Myristica fragrans) on Lipopolisaccaride/d-galactosamine-induced Liver Injury. J. Agric. Food Chem. 15(6):1.560-1.565.Syarifuddin, I., Kaimudin, M., Torry, R.F., dan Biantoro, R. 2014. Isolasi Trimiristin Minyak Pala Banda Serta Pemanfaatannya Sebagai Bahan Aktif Sabun Jurnal Riset Industri 8(1); 23-31.
IDENTIFICATION OF SUBSURFACE STRUCTURE USING SEISMIC REFRACTION METHOD AT JANTHO ACEH BESAR Muhammad Zikrilah; Didik Sugiyanto; Ibnu Rusydy
Jurnal Natural Volume 16, Number 2, September 2016
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v16i2.4916

Abstract

An identification of subsurface structure in the surrounding area of Aceh Besar regent’s office was conducted by using seismic refraction method. The aims of this study are to determine the velocity value between layers in order to describe thesubsurface layer model, to identify the types of rocks on each layer, and to analyze the depth of bedrock layer located in the subsurface. There are 4 tracks with spaces in between each geophone, and on each track, with the width of 3 m. The total spread on the track is 72 m and the farthest shoot point is 36 m from the farthest geophone point.
Virulence of conidia Beauveria bassiana (Bals.) as a bioinsecticide against Crocidolomia pavonana (F.) (Lepidoptera: Pyralidae) on broccoli plants MUHAMMAD SAYUTHI; ALFIAN RUSYDI; HASNAH HASNAH; NAILA EVI AZAHRA
Jurnal Natural Volume 22 Number 1, February 2022
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v22i1.22628

Abstract

Crocidolomia pavonana is an important pest of broccoli plants. Pest control is currently still using chemical pesticides that negatively impact the environment. It is hoped that Beauveria bassiana will become one of the environmentally friendly bioinsecticides. The research aimed to study the virulence level of conidia density of B. bassiana as a bioinsecticide against C. pavonana pests on broccoli plants. This experiment used a completely randomized design consisting of 5 treatments and four replications so that 20 experimental units were obtained. The Basic Plant Protection Laboratory and Plant Pest Science Laboratory Faculty of Agriculture, Syiah Kuala University as the research location, which was carried out from January to September 2021. The parameters observed were larval mortality, pupae formed, imago appeared, an incubation period of B. bassiana conidia, and average time of C. pavonana. The results showed that B. bassiana with conidia density of 108/mL distilled water was effective as a bioinsecticide against C. pavonana. The highest percentage of C. pavonana mortality observed at 6 Days After Application (DAA) occurred at a density of 108 conidia/mL of water (97.50%), and the lowest was at a density of 102 conidia/mL of distilled water (62.50%). The percentage of pupae formed was observed. At 7, DAA was 15% using a density of 102 conidia /mL aquadest. Produce 5%, a density of 104 conidia/mL of distilled water was used. The percentage of imago that appeared with a conidia density of 102/mL of distilled water killed at 14 DAA yielded 15%, and 5% resulted from a density of 104 conidia/mL of distilled water. The fastest incubation occurred at a density of 108 conidia/mL of distilled water with a time of 3.50 days. Death of C. pavonana at 3.03 days required conidia density of B. bassiana 102/mL of distilled water.
WINSTON-BATAN: A SEISMOLOGICAL GROUND-MOTION ANALYSIS CODE Yuliastuti Yuliastuti; Euis Etty A; Topan Setiadipura
Jurnal Natural Volume 18, Number 3, October 2018
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v18i3.12201

Abstract

A thorough understanding of an earthquake is very important to provide a descriptive knowledge and in the same time as a prescriptive knowledge for the future development. In particular, it is essential for site selection and structural design development of nuclear reactor and other critical facilities. Ground motion acceleration time history is an important raw information to understand the earthquake and specific geological condition of where the data is recorded. This paper presented the development of strong-motion analysis code, called Winston-BATAN, which able to interpret ground motion time history. The analysis scope of the code including the ground motion parameters such as peak ground acceleration, several additional seismic intensity parameters, strong motion duration, its frequency content via Fast Fourier Transformation and response spectra analysis. Being developed based on an open source Python programming language, Winston-BATAN is flexible for exploratory study to exploit the ground motion time history and easily improve to accommodate additional features. This code able to read input from PEER NGA type file or a simple time and acceleration data type of ground motion. Analysis results of Winston-BATAN shows a very good agreement compare to the results from the standard tools Seismosignal® 2018 Software, in addition flexibility of this code, in particular, to explore the response spectra from the ground motion time history is demonstrated.

Page 41 of 46 | Total Record : 457

 39   40   41   42   43 

Filter by Year

2010 2025


Reset
Filter By Issues
All Issue Volume 25 Number 3, October 2025 Volume 25 Number 2, June 2025 Volume 25 Number 1, February 2025 Volume 24 Number 3, October 2024 Volume 24 Number 2, June 2024 Volume 24 Number 1, February 2024 Volume 23 Number 3, October 2023 Volume 23 Number 2, June 2023 Volume 23 Number 1, February 2023 Volume 22 Number 3, October 2022 Volume 22 Number 2, June 2022 Volume 22 Number 1, February 2022 Volume 21 Number 3, October 2021 Volume 21 Number 2, June 2021 Volume 21 Number 1, February 2021 Volume 20 Number 3, October 2020 Volume 20 Number 2, June 2020 Volume 20 Number 1, February 2020 Volume 19 Number 3, October 2019 Volume 19 Number 2, June 2019 Volume 19, Number 1, February 2019 Volume 18, Number 3, October 2018 Volume 18, Number 2, June 2018 Volume 18, Number 1, February 2018 Volume 17, Number 2, September 2017 Volume 17, Number 1, March 2017 Volume 16, Number 2, September 2016 Volume 16, Number 1, March 2016 Volume 15, Number 2, September 2015 Volume 15, Number 1, March 2015 Volume 14, Number 2, September 2014 Volume 14, Number 1, March 2014 Volume 13, Number 2, September 2013 Volume 13, Number 1, March 2013 Volume 12, Number 2, September 2012 Volume 12, Number 1, March 2012 Volume 11, Number 2, September 2011 Template More Issue