Various diseases can be triggered by the condition of oxidative stress in the body. Oxidative stress is a condition that occurs in cells when free radicals are present in excess amounts. To reduce the negative effects and negative effects of these free radicals, the body needs antioxidants. The aim of this research is to know the antioxidant potential of black plum leaf extract (Syzigium cumini (L.) Skeel) using DPPH method. Based on the results of antioxidant potential testing in black plum leaf extract known that it has antioxidant content that is classified as very active with an IC 50 value of 8.85. The results of this study indicate that the leaves of black plum (Syzigium cumini (L.) Skeel have the potential to be developed as a source of natural antioxidants for humans.
Coix lacryma-jobi (Hanjeli) is known to posses anti-microbial properties. Therefore, phytochemical compounds of C. lacryma-jobi have been studied to produce novel antimicrobial agents as treatments against antibiotic-resistant bacteria.The objective of this study was to determine the phytochemical composition and antibacterial activity of the C. lacryma-jobi oil against Escherichia coli, Staphylococcus aureus, and Bacillus subtilis. The phytochemical composition of the oil was determined via gas chromatography mass spectrophotometry (GC-MS). Moreover, agar disk and agar well diffusion were employed to screen the antibacterial activity of the oil. An agar well diffusion test was implemented to determinate MIC's (minimum inhibitory concentrations). Dodecanoic acid, tetradecanoic acid, 2,3-dihydroxypropylester, 1,3-dioctanoin, N-methoxy-N-methyl-3,4-dihydro-2H-thiopyran-6-carboxamide, propanamide, 5-Amino-1-(quinolin-8-yl)-1,2,3triazole-4-carboxamide, and pyridine were identified in the C. lacryma-jobi oil. The MIC value of the oil was 0.031 g/L and the MBC of the oil was 0.125 g/L effective in all test bacteria. Dodecanoic acid displayed inhibitory activity against gram-positive and gram-negative bacteria. Therefore, our research demonstrated C. lacryma-jobi (Hanjeli) oil exhibited antibacterial activity against E. coli, S. aureus, and B. subtilis. These research suggest that C. lacryma-jobi root oil could be used for medicinal purposes; however clinical and in vivo tests must be performed to evaluate its potential as an antibacterial agent.
Radicals produced naturally in the body, can cause various diseases when present in large quantities. High levels of free radical compounds showed low antioxidant activity that leads to degeneration of the body cells, metabolic disorder, decreased immune response that trigger the emergence of a variety of degenerative diseases. Need extra antioxidants from outside the body in order to help prevent the adverse effects of free radicals, such as antioxidants derived from plants used as cooking ingredients or food ingredients. There are some herbal plants that are a source of natural antioxidants , which are also used as a spice, such as turmeric (Curcuma domestica), ginger (Zingiber offcinale), nutmeg (Myristica fragrans), paprika (Capsicum annum), lemongrass (Cymbopogon citratus), galangal (Alpinia galangal), onion (Allium cepa) and garlic (Allium sativum).
Penelitian ini bertujuan untuk membuat inventarisasi database antioksidan alami dalam level molekuler dari tanaman jamblang (Syzygium cumini) dengan pendekatan Gas Chromatography Mass Spectrometer (GCMS) sehingga dapat dijadikan dasar pengembangan S. cumini sebagai antioksidan alami alternatif untuk mencegah kerusakan sel, kanker dan menurunkan kejadian penyakit degeneratif. Penelitian ini difokuskan pada S. cumini sebagai salah satu tanaman berkhasiat obat yang sudah mulai diteliti dalam khasiatnya sebagai tanaman yang mengandung senyawa bioaktif. Kehadiran teknologi GCMS ditengah belum adanya database tanaman jamblang merupakan peluang alternatif untuk memperoleh metabolom. Database metabolom pada jamblang penting dimiliki untuk menjaga plasma nutfah dari ekploitasi berlebihan yang menyebabkan kepunahan organisme dan budidaya tanaman tersebut. Dengan adanya penelitian inventarisasi level molekuler senyawa antioksidan yang dikandung tanaman jamblang dapat meningkatkan aktivitas penelitian lanjut pemanfaatan tanaman jamblang yang bisa ditingkatkan dalam skala industri nantinya. Untuk menjawab tujuan penelitian ini dilakukan tahapan penelitian sebagai berikut, pada tahap awal dilakukan isolasi metabolom dari kulit buah tanaman jamblang dengan cara ekstraksi. Tahap kedua adalah metabolome analysis menggunakan GCMS. Keluaran dari penelitian ini adalah diperolehnya data tentang hasil GCMS yang memuat senyawa bioaktif yang terkandung pada kulit buah tanaman jamblang yang akan menjadi landasan pengembangan pemanfaatan kulit buah jamblang sebagai antioksidan alternatif pencegah penyakit degenerasi. Pada penelitian selanjutnya perlu dilakukan analisis yang sama pada bagian tanaman jamblang lain untuk melengkapi database yang sudah ada.This research aims to create an antioxidant inventory databases of the Jamblang (Syzygium cumini) plant by Gas Chromatography-Mass Spectrometer (GCMS) approach. This database can be used as the basis for the development of S. cumini as an alternative natural antioxidant to prevent cell damage, cancer and reduce disease incidence degenerative. This research is focused on S. cumini as one of the medicinal plants that have been studied in its usefulness as a plant containing the bioactive compound. The presence of GCMS technology amid the absence of Jamblang plant database is an alternative opportunity to obtain metabolome. The metabolome database in jamblang is important to keep the germplasm from excessive exploitation causing the extinction of the organism and the cultivation of the plant. Molecular level inventory of antioxidant compounds contained jamblang plants can increase research activities further utilization of jamblang plants that can be increased in the industrial scale later. To answer the purpose of this research carried out the following stages of research, in the early stages of metabolome isolation from the skin of jamblang fruit by way of extraction. The second stage is the metabolome analysis using GCMS. The output of this research is to obtain data about GCMS results that bioactive compounds contained in jamblang fruit skin that will become the foundation of the development of jamblang fruit skin as alternative antioxidant prevention of degeneration disease. In the next research needs to be done the same analysis on the jamblang plant to complete the existing database
Buasbuas (Premna pubescens) is a plant that is traditionally known to have medicinal properties. This study aims to determine the content of bioactive compounds contained in the petiole by Gas Chromatography Mass Spectrophotometer (GCMS) method. Preparation of ethanol extract of petiole using maceration method with 96% ethanol solvent. The study used gas chromatographic tools and mass spectra which were evaluated using MASSLAB program. The data obtained from the GCMS machine is then analyzed using the NCBI database pubchem software (https://pubchem.ncbi.nlm.nih.gov/). The results of this study indicate that the content of bioactive compounds on the petioles of buasbuas more than 50 libraries contains about 150 species of compounds with a range of RT and% area respectively 4.684 to 28.155 and 0.16 to 15.56%. The content of bioactive compounds shown this data indicates that very large potential of buasbuas plants to be explored and exploitation as a nutritious plant. The results of this study can be used as the foundation in the development program of the potential utilization of bioassemblance of buasbuas plants. In further research it is necessary to analyze the other parts of the plant and make comparisons to complete the available databases.
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