Jurnal Fakultas Farmasi Umi (Universitas Muslim Indonesia)
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Determination of Total Phenolic Content of The Stem Bark Extract of Nyirih (Xylocarpus granatum J. Koeing) Using UV - Vis Spectrophotometry Method
No full textNyirih is a plant from the Meliaceae family with the Latin name Xylocarpus granatum J.Koeing, this nyirih spreads in tropical waters and does not cluster in certain areas. This study aims to determine the total phenolic content of the stem bark extract of nyirih (Xylocarpus granatum J.Koeing) using the UV-Vis spectrophotometric method. The stem bark extract of nyirih (Xylocarpus granatum J. Koeing) was obtained with maceration method using 96% ethanol solvent. Determination of total phenolic content based on the Folin-Ciocalteau method, where the addition of 7% sodium carbonate provides an alkaline atmosphere that will produce phenolic ions. Furthermore, it will reduce Follin to form a blue complex. At a maximum wavelength of 755 nm, the results showed that the average total phenolic content of the stem bark extract of nyirih (Xylocarpus granatum J. Koeing) was 6.163 mg GAE / g extract
OPTIMIZATION OF TEMPERATURE CELLULOSE PRODUCING BACTERIAL ISOLATES FROM DRAGON FRUIT (Hylocereus polyrhizus)
Get PDFIsolation of bacterial cellulose from fruits in traditional market of Makassar have been done. This objective of this research was to determine optimum temperature of isolate bacteria that produce cellulose from Dragon fruit (Hylocereus polyrhizus) using dilution agar method. Isolation of bacteria produced cellulose using Hestrin-Schramm agar (HSA) obtain 5 (five) isolate NB02, NB03, NS01 and NS02. The result of screening activity showed that isolate NB04 has a potential as bacteria produce cellulose. The temperature optimize of NB04 has been done at 25oC and 40oC. Based on research results showed that optimum temperature for NB04 was at 25oC and has highest cellulose content at 1,29 g
BARKOD DNA PADA TANAMAN GAMBIR (Uncaria gambir(Hunter) Roxb.) BERDASARKAN GEN matK DAN rbcL
Get PDFGambir (Uncaria gambir (Hunter) Roxb.) is a superior commodity of West Sumatra that has many benefits and has been used as a drug. Plant identification carried out morphologically has many weaknesses, with the development of electronic and genetic technology now a new method of species identification has been developed. plants and animals, namely DNA barcoding technology that uses standard short pieces of DNA Species identification methods have been agreed to using standard DNA barcodes are rbcL genes and matK genes. The purpose of this study is to find out DNA Barkoding candidates between matK and rbcL which can identify gambier (Uncaria gambir (Hunter) Roxb.) Which is good. Polymerase Chain Reaction (PCR) technique is used to amplify rbcL and matK gene sequences through universal primers. The DNA sequences of the MATC sequence in the GR sample (Riau Gambir) produced a similarity rate of 98.79% with Nauclea diderrichii, for the rbcL sequence GC (Cubadak Gambir) samples produced a similarity rate of 99.81% with Uncaria macrophylla, and GR (Gambir Riau) samples produced the similarity rate was 96.84% with Uncaria macrophylla based on analysis with BOLD Systems. This similarity indicates the low variation in intraspecific genetics for the identification or confirmation of gambir specie
ISOLASI SENYAWA KIMIA FRAKSI n-HEKSANA DAUN BILARAN TAPAH (Argyreia nervosa (Burm. F.) ASAL KALIMANTAN SELATAN
No full textABSTRACTOne of the plants that is used empirically by people in South Kalimantan as a traditional medicine is bilaran tapah (Argyreia nervosa (Burm. F.). This plants that has purposed antiinflamation, antimicroba, antidiabetic, diuretic, and aphrodisiac. This research aims to isolate and explore the chemical compounds of n-hexana fraction of A. nervosa leaves. Extraction is conducted by using maceration method. Isolation is conducted by using Vacumn Liquid Chromatography and gravity chromatography column. Identification qualitative assay of compound used TLC test, UV-Vis and FTIR spectrophotometry. The extraction of 500 grams A. nervosa leaves rough powder with 96% ethanol extracts produces 16,92% of rendement. The fractionation of 30 grams ethanol extracts with n-hexane produces 23,60% of rendement. N-hexane fraction by using VLC with n-hexane : ethyl acetate eluent 25:1; 20:1; 15:1; 10:1; 9:1; 8:2; 7:3 ; 6:4) v/v and methanol : etyl acetate (1:4) v/v produces fractions A, B, C, D, E, F, G, H, and I. Fraction F was chosen for isolation using PTLC with n-hexane :etyl acetate eluent (8:2) v/v. Fraction C is chosen to be isolated by using gravity chromatography column with n-hexane : ethyl acetate eluent (25:1) v/v. TLC qualitative test with H2SO4 10% and Liebermann-Burchard reagent shows that C-4 isolates contains terpenoid compounds. Analysis of C-4 isolates by using UV-Vis spectrophotometry reach peak at λ 245 nm. Analysis FTIR spectra shows that the functional groups of C-4 isolates are -OH (3309.85 cm-1), -CH aliphatic (2939.52 cm -1 and 2870.08 cm-1), C = C (1635.64 cm- 1) and C-O (1033,85 cm-1)
UJI AKTIVITAS EKSTRAK ETANOL DAUN KERSEN (Muntingia calabura L.) SEBAGAI INHIBITOR ENZIM α-GLUKOSIDASE DENGAN MENGGUNAKAN ELISA READER
Get PDFKersen leaves (Muntingia calabura L) contain metabolites such as alkaloids, anthrax, polyphenols, tannins, saponins and are rich in flavonoid components such as flavones, flavonones, flavan and biflavan which have antidiabetic activity. According to a study conducted by Apriyanti (2016), the ethanol extract of kersen (Muntingia calabura L) at a dose of 250 mg / kg BB significantly reduced blood glucose levels in male wistar rats. In this study aimed at determining IC50 ethanol extract of Muntingia calabura L as an inhibitor of α-glucosidase enzymes using ELISA reader. The method was divided into 3 category is 1 (sample extract), 2 (blank) and 3 (akarbose). Each group added 25 µL α-glucosidase solution (0.25 units / mL then measured using ELISA reader 405 nm. The results showed that the ethanol extract of kersen (Muntingia calabura L) had activity as an inhibitor of α-glucosidase enzyme with IC50 34,197 µg / mL and can be categorized as active
Potency of Cinnamomum burmannii as Antioxidant and α Glucosidase Inhibitor and Their Relation to Trans-Cinamaldehyde and Coumarin Contents
Get PDFCinnamon (Cinnamomum spp) is one of important export commodity for Indonesia. With annual production capacity about 103.594 tons, Indonesia is one of main cinnamon’s exporter especially to United States. Recently the utilization of cinnamon is developed, where not only use as spices but also use in pharmaceutical and cosmetic industries. The development of cinnamon’s use of course might lead to the market growth.. But on the other side arise an issue about coumarin content, where Cinnamomum burmannii issued to have higher content of this hepatotoxic compound than Cinnamomum verum or Cinnamomum zeylanicum. This research result showed that, although coumarin content of Indonesian Cinnamomum burmannii is higher than Cinnamomum zeylanicum but the difference is not too significant. C. burmannii collected from Gunung. Mas, West Java has coumarin content of 0.0030 % which is slightly higher than C. zeylanicum (0.0017 %). This research result also shown that antioxidant activity and α glucosidase inhibition activity is related to polyphenol and flavonoid content
STUDI KOMPARASI AKTIVITAS ANTIOKSIDAN DAUN JERUK PURUT (Citrus hystrix DC) DAN DAUN JERUK NIPIS (Citrus aurantifolia (christm) Swingle) ASAL KOTA TERNATE MENGGUNAKAN METODE PEREDAMAN RADIKAL BEBAS DPPH
Get PDFCitrus (Citrus hystrix DC) and lime leaves (Citrus aurantifolia (christm) Swingle) are a Rutaceae family which contain flavonoids with antioxidant activity. The aim of this study is to compare the antioxidant activity of the citrus and lime leaves using DPPH free radical suppression method. The extraction of citrus and lime leaves by maceration method using ethanol 96 %. The antioxidant assay qualitatively by Thin Layer Chromatography (TLC) used the eluent n-hexane : ethyl acetat (7:3). The antioxidant assay quantitatively used DPPH free radical suppression method measured the absorption at the wavelength 515 nm. The results showed that the IC50 value of the citrus is 228.695 µg/mL. This showed that the potential of the antioxidant activity of the sample is weak; however, the IC50 value of the lime leaves is 335.064 µg/mL. this showed that the antioxidant activity of thev sample is not active
Uji Aktivitas Antiplasmodium Dari Isolat Kulit Batang Kayu Tammate (Lannea coromandelica Houtt. Merr.) Secara In-Vitro
Get PDFOne of the main causes of death and a major public health problem is malaria. Some drug resistance and the limited number of effective drugs have given the community a sense of worry. This makes the discovery of new antimalarial compounds very necessary. Based on the results of exploration of natural materials, Javanese wood is one of the plants that is efficacious as an antimicrobial and is thought to be efficacious as antiplasmodium. This study was then conducted to find hexan and ethyl acetate isolates from the Java wood fraction (Lannea coromandelica Houtt. Merr.) Which effectively inhibited the development of Plasmodium falciparum in vitro. This research is a follow-up study from previous studies in testing the fraction of Javanese bark against antioxidant activity. The procedure starts from hexan and ethyl acetate isolates with five concentrations of 10 (µg / ml), 1 (µg / ml), 0.1 (µg / ml), 0.01 (µg / ml) and 0.001 (µg / ml) 3D7 strain of Plasmodium falciparum was measured based on the average percent resistance. The results of this study indicate that etil asetat isolate have IC50 2,727 µg/ml, its mean moderate activity as antiplasmodium. While hexan isolate have IC50 >10 µg/ml its mean not have or low antiplasmodium activity
UJI STABILITAS DAN KEAMANAN GRANUL EKSTRAK BATANG SELEDRI (AVIUM GRAVEOLENS) SEBAGAI BIOLARVASIDA AEDES AEGYPTI
Get PDFLong-term use of synthetic insecticides or larvicides can cause undesirable things, so plant-based biolarvacides need to be developed that do not cause harm and are more environmentally friendly. The aim of this study was to determine the total phenolic value of Avium graveolens extract granules as well as to determine the temperature stability of good storage for larvicidal granules of Avium graveolens extract and to know the safe limits of the use of larvicide granules of Avium graveolens extract based on LC50 values. Total phenol test of Avium graveolens extract was carried out using Folin Cetaceau reagent, then the stability test of Avium graveolens extract granules was carried out by storing Avium graveolens extract granules at several different temperatures for the next 28 days based on physical properties and total phenol values on Avium graveolens extract granules before being saved and after being stored. Then the safety test was carried out by the BSLT method (Brine Shrimp Lethality Test) by looking at the number of deaths of Artemia saline larvae and then LC50 values were calculated.The results showed that the total phenol content of Avium graveolens extract was 0.23605% b / b. And the results of the stability test showed that the granules did not change physically even though they were stored at 60oC for 28 days. The results of the toxicity test obtained LC50 values of 608,98 mcg/g, meaning that Avium graveolens extract granules are safe to us