scholarly journals THE EFFECTIVITY TEST OF ALOE VERA LEAF EXTRACT TO LARVAE AEDES SP

Author(s):  
Romasepfani Lubis ◽  
Syafruddin Ilyas ◽  
Merina Panggabean

Objective: Virus control was pressed to terminate transmission chain by reducing mosquito populations. One effective alternative was biological control vector using plant extracts. The purpose of this study was to assess the lethal concentration median (LC50) and effective time to kill the larvae. Methods: Aloe vera leaf washed with water, then envy transverse with a thickness and dried in a drying cupboard. Further, the prepare to percolation A. vera leaf extract was characterized liquid extract the next in the freeze dryer. Enter 25 larvae into each glass of research that has been mixed A. vera leaf extract with various concentrations: 20 ppm; 40 ppm; 60 ppm; 80 ppm; and 100 ppm, negative control (water) and abate® (1 ppm) as a positive control. Further, to observe the number of dead larvae in the studied glass at 180, 360, 1440, and 2880 min. Results: A probit analysis was used to determine concentrations in killing larvae. A. vera leaf extract concentration was effective to kill 50% of test larvae with LC50 at 80.5 ppm with 1440 min observation time. Conclusion: A. vera extract can be larvicidal because it has the secondary metabolite compounds which toxic substances to mosquito larvae with the LC50 value of 80.5 ppm at 1440 min.

2020 ◽  
Vol 8 (1) ◽  
pp. 8-14
Author(s):  
Hanina Hanina ◽  
Sarah Madeleyne Baringbing

ABSTRACT Cockroach control can be done in various ways one of which is spraying insecticide. Natural insecticides are less dangerous than conventional insecticides. This study aimed to determined the effectiveness of kaffir lime leaf extract (Citrus hystrix) as a natural insecticide against cockroach americana (Periplaneta americana) with spray method. This research was an experimental study with a post-test only control group designed design. The sample in this study was 60 cockroaches, the sample was divided into 6 groups: negative control (aquades), positive control (transflutrin 0.06%) and and 4 test groups with concentrations of kaffir lime leaf extract (20%, 40%, 60% , and 80%) each group consisted of 10 cockroaches. Phytochemical tests were carried out to determine the content of secondary metabolites in extracts of kaffir lime leaves. Positive phytochemical test results containing flavonoids, alkaloids and essential oils. Based on probit analysis, it is known that the LC50 value = 58.5%; LC95 = 85.1%. The time of death of LT50 is fastest at a concentration of 60% (3,036 hours) and LT95 is the fastest at a concentration of 80% (5,960 hours). Anova test analysis results showed that the positive control group had no significant difference with kaffir lime leaf extract concentration of 80% Kaffir lime leaf extract has an insecticide effect, the higher the concentration of kaffir lime leaf extract, the more number of dead cockroaches and the longer the observation time, the number of cockroaches death will also increase. Keywords: American cockroach, kaffir lime leaf extract, cockroach death   ABSTRAK Pengendalian kecoa dapat dilakukan dengan berbagai cara salah satunya penyemprotan insektisida. Insektisida alami kurang berbahaya dibanding insektisida konvensional. Penelitian ini bertujuan untuk mengetahui efektifitas ekstrak daun jeruk purut (Citrus hystrix) sebagai insektisida alami terhadap kecoak americana (Periplaneta americana) dengan metode semprot. Jenis penelitian ini adalah penelitian eksperimental dengan rancangan post-test only control group designed. Sampel dalam penelitian ini adalah 60 ekor kecoak, sampel dibagi menjadi 6 kelompok yaitu kontrol negatif (aquades), kontrol positif (transflutrin 0,06%) dan dan 4 kelompok uji dengan konsentrasi ekstrak daun jeruk purut (20%, 40%, 60%, dan 80%) masing-masing kelompok terdiri dari 10 ekor kecoak. Uji fitokimia dilakukan untuk mengetahui kandungan senyawa metabolit sekunder pada ekstrak daun jeruk purut. Hasil uji fitokimia positif mengandung flavonoid, alkaloid dan minyak atsiri. Berdasarkan analisis probit, diketahui nilai LC50 = 58,5%; LC95 = 85,1%. Waktu kematian LT50 paling cepat pada konsentrasi 60% (3,036 jam) dan LT95 paling cepat pada konsentrasi 80% (5,960 jam). Hasil analisis uji anova menunjukkan bahwa kelompok kontrol positif tidak terdapat perbedaan yang signifikan dengan ekstrak daun jeruk purut konsentrasi 80% Ekstrak daun jeruk purut memiliki efek insektisida, semakin tinggi konsentrasi ekstrak daun jeruk purut maka jumlah kecoak yang mati semakin banyak dan semakin lama waktu pengamatan, maka jumlah kecoak yang mati juga akan semakin banyak. Kata kunci : kecoak amerika, ekstrak daun jeruk purut, kematian kecoak


2021 ◽  
Vol 1 (1) ◽  
pp. 33-37
Author(s):  
Mohammad Ihsan Abdurrozak ◽  
Livia Syafnir ◽  
Esti Rachmawati Sadiyah

Abstract. Mosquitoes are often associated with health problems because mosquito bites not only cause itching but some species can also transmit various types of parasites that are harmful to human health. One of them is Culex sp mosquito which is a class of infectious insects (vectors). This study aimed to test the activity of compounds in angsana leaf extract (Pterocarpus indicus Willd) as biolarvasides on Culex sp. mosquitoes and determine the concentration of LC50 value needed. Extraction was carried out by maceration method using 70% ethanol solvent. The extract collected was then tested biolarvaside activity on Culex sp. The study subjects were divided into 8 treatment groups, namely aquades (negative control), 0.05%, 0.1%, 0.2%, 0.5%, 1%, 2% and ABATE 0.1% (positive control). Each group contained 20 mosquito larvae with three replications (triplo). Observations were made for 24 hours at intervals of 1 hour, 4 hours, 8 hours, 12 hours and 24 hours. The biolarvaside activity of angsana leaf extract was analyzed using the probit method. Based on the results of the Probit analysis, the LC50 value was 0.83%. These results indicate that the angsana leaf extract (Pterocarpus indicus Willd) was effective as a biolarvaside. Abstrak. Nyamuk sering dikaitkan dengan masalah kesehatan karena gigitan nyamuk tidak hanya menimbulkan gatal saja tetapi beberapa spesies nyamuk juga dapat menularkan berbagai jenis parasit yang berbahaya bagi kesehatan manusia. Salah satunya yaitu nyamuk Culex sp yang merupakan golongan serangga penular (vektor). Penelitian ini bertujuan untuk pengujian aktivitas senyawa dalam ekstrak daun angsana (Pterocarpus indicus Willd) sebagai biolarvasida pada nyamuk Culex sp dan penentuan nilai LC50. Ekstraksi dilakukan dengan metode maserasi menggunakan pelarut etanol 70%, Ekstrak yang diperoleh kemudian diuji aktivitas biolarvasida pada nyamuk Culex sp. Subjek penelitian dibagi menjadi 8 kelompok perlakuan, yaitu akuades (kontrol negatif), 0,05%, 0,1%, 0,2%, 0,5%, 1%, 2% dan ABATE 0,1% (kontrol positif).Setiap kelompok berisi 20 ekor larva nyamuk dengan tiga kali pengulangan (triplo) . Pengamatan dilakukan selama 24 jam dengan interval 1jam, 4jam, 8jam, 12jam dan 24jam. Aktivitas biolarvasida ekstrak daun angsana dianalisis dengan menggunakan metode probit. Berdasarkan hasil analisis Probit didapatkan nilai LC50 berada pada konsentrasi 0,83%.Hasil tersebut menunjukkan bahwa Ekstrak daun angsana (Pterocarpus indicus Willd) efektif sebagai biolarvasida.


Author(s):  
Wan Nera Fianita Weny ◽  
Syafruddin Ilyas ◽  
Merina Panggabean

Objective: The purpose of this study was to investigate the effectiveness of Aloe vera extract as a Culex sp larvicide.Methods: This study used experimental post-test only one group design, for to the results of study used by probit analyzed to assessed toxicity. The experimental animals used are Culex sp (species) instar III/IV with 700 total samples larvae, and each treatment contained 25 larvae with 200 ml of water. The study was conducted with seven treatments including extract concentration used are 20, 40, 60, 80, and 100 part per million (ppm), negative control (water), and positive control (abate®1 ppm), with the different observation times 180, 360, 540, 1440, and 2880 min.Results: This study which showed lethal concentration median % at 68.8 ppm concentration with 1440 min observation time.Conclusion: The results obtained in this research work that the extract of A. vera has larvicidal against instar III/IV Culex sp larvae.


2019 ◽  
Vol 1 (2) ◽  
pp. 11-16
Author(s):  
Yanna Rotua Sihombing ◽  
Debi Dinha Sitepu

Immunomodulator is a compound that can increaase the imuno system. One of the plants that have immunomodulator’s activity is Waru Leaf (Hibiscus tiliaceus). the purpose of this research was to test the effect of immunomodulator by extract of Waru Leaf ethanol on rat male. The activity of immunomodulator was determined by using digital pletysmometer by measuring the differences between the last leg swelling’s volume and the first leg swelling’s volume. The treatment group were divided into 5 groups. Each group consistof 5 rats CMC-Na 0,5% (negative control), Stimuno®  32,5 mg/kgBW (positive control), dose of EEDW 50, 100 and 200 mg/kgBW, and bacteria E.coli as antigen. The results slowed that distribution of EEDW dose 200 mg/kgBW can give the effect of immunostimulant by swelling enthancement compared by CMC-Na 0,5 %. EEDW 200 mg/kgBW that have activity comparable with Stimuno®  32,5 mg/kgBW. Thus, it is concluded that of Waru Leaf extract has immunomodulator effects on delayed-type hypersensitivity response of rat male.


Author(s):  
Endang Sri Purwanti Ningsih ◽  
Noorlaila Noorlaila ◽  
Ikhwan Rizki Muhammad ◽  
Windy Yuliana Budianto

Background: The process of wound healing is influenced by various factors such as age, hormones, and wound care. Wound care is done to accelerate wound healing which can be done by various methods, one of them is traditional care. Traditional wound care can use medicinal plants. Rhodomyrtus tomentosa is a medicinal plant that has an antioxidant, anti-inflammatory, antitumor and antibacterial content. Thus this study aims to evaluate the effectiveness of the antiseptic solution of the Rodhomyrtus tomentosa leaf extract on wound healing in male Wistar rats. Method: this research is pure experimental research with post test only control group design. Thirty male white rats were divided into five groups, namely negative control, positive control, Rhodomyrtus tomentosa leaf extract 15%, 30%, and 60%. Rhodomyrtus tomentosa leaf extraction was carried out by maceration method with 70% ethano solvent. The extraction results are divided into 3 concentrations (15%, 30% and 60%). The wound healing process was evaluated by measuring the length of the wound manually from 0 to 10 days in each group. Meanwhile, the number of fibroblast cells was calculated through hematoxylin eosin (HE) staining and observed using an Olympus CX41 microscope with a 10x magnification and objective lens magnification in 3 fields. Result: There was a significant difference in the reduction in wound length (p =< 0,000) between the five experimental groups (Rhodomyrtus tomentosa leaf extract solution 15%, 30% and 60%, negative control and positive control. Solution of rhodomyrtus tomentosa leaf extract accelerated the increase in the number of fibroblasts compared to the negative control group (p = 0.003), but did not make a difference (p = 0.403) with the positive control group. Rhodomyrtus tomentosa leaf extraction solution had the same microscopic effect on the number of fibroblasts with a positive control group given 0.9% NaCl solution. Conclusion: There was a significant difference in the number of fibroblasts between all groups, but no difference in wound healing length.


Author(s):  
Nur Fitri

Background: Peperomia pellucida L'HBK or known as messengers in the Indonesian plant is a herbaceous plant that belongs to the family Piperaceae. This study aimed to determine the effect of the stem and leaf extract cream messengers to the healing process of burns in rats (Rattus norvegicus. Methods: This was an experimental study using a completely randomized design. Test animals were divided into three groups, each - each group consisted of 3 rats. The first group is the negative control group (distilled water), the second group is a positive control group (Bioplacenton®), the third group is the group treated stem and leaf extract cream errand. The diameter of the wound and fibroblasts observed histopathology and is used as an indicator of the healing process of burns. The burns were treated and observed the healing effect for 20 days. Data were analyzed statistically wound diameter using ANOVA followed by LSD test. Results: The results showed the cream extracts of stems and leaves telling effect on the healing process of burns on rats. Conclusion: The results also showed that the treatment group and the leaf stem extract cream messengers and control groups positively influence the healing process of burns significantly when compared to the negative control group. Meanwhile, the treatment group stem and leaf extract cream messengers have no preformance difference influence the healing process of burns a significant positive control group


2016 ◽  
Vol 4 (2) ◽  
Author(s):  
Ismiranti D.A. Tuna ◽  
Pemsi M. Wowor ◽  
Henoch Awaloei

Abstract: Awar-awar (Ficus septica Burm.F) is one of the plants that used by comunities. Based from the empiric data, this plant is believed have efficacy as a drug and could treat diseases. Staphylococcus aureus dan Eschericia coli are the most frequent causal organism in human bacterial infection. This study aimed to determine whether there is inhibition of leaf extract awar-awar against Staphylococcus aureus and Eschericia coli. This was a laboratory experimental with Kirby-Bauer pitting modification at Phytochemistry and Microbiology Laboratory of Sam Ratulangi University Faculty of Mathematics and natural Science. Awar-awar leaf extract was obtained from maceration process with 96% ethanol. Consentration of thick extract that was used were 100 mg/ml, 50 mg/ml, 25 mg/ml, 12,5 mg/ml. ciprofloxacin was used as positive control,and aquades was used as negative control. The result showed that the average of inhibition diemeters by awar-awar leaves were 100 mg/ml, 50 mg/ml, 25 mg/ml, 12,5 mg/ml respectively are 27,5 mm, 24,3 mm, 22,3 mm, 21,8 in Staphylococcus aureus, whereas in Eschericia coli were 24,8 mm, 21 mm, 18,3 mm, 17 mm. Conclusion: Awar-awar leaf extract has a potential inhibion effect on the growth of Staphylococcus aureus and Eschericia coli.Keywords: awar-awar leaves extract, staphylococcus aureus, eschericia coli, inhibition test. Abstrak: Tanaman awar-awar merupakan salah satu tanaman yang digunakan masyarakat untuk pengobatan. Berdasarkan data empiris, tanaman ini dipercaya memiliki khasiat sebagai obat dan bisa mengobati penyakit. Bakteri Staphylococcus aureus dan Eschericia coli merupakan penyebab infeksi utama pada manusia. Penelitian ini bertujuan untuk mengetahui ada tidaknya daya hambat ekstrak daun awar-awar terhadap bakteri Staphylococcus aureus dan Eschericia coli. Jenis penelitian ini ialah eksperimental laboratorium dengan modifikasi Kirby-Bauer sumuran di Laboratorium Fitokimia dan Mikrobiologi Fakultas MIPA Universitas sam Ratulangi. Ekstrak daun awar-awar diperoleh dari proses maserasi dengan etanol 96%. Konsentrasi ekstrak kental yang digunakan dalam penelitian ini ialah 100 mg/ml, 50 mg/ml, 25 mg/ml, 12,5 mg/ml. Siprofloksasin sebagai kontrol positif, dan akuades sebagai kontrol negatif. Hasil penelitian mendapatkan rata-rata diameter zona hambat ekstrak daun awar-awar konsentrasi 100 mg/ml, 50 mg/ml, 25 mg/ml, 12,5 mg/ml berturut-turut ialah 27,5 mm, 24,3 mm, 22,3 mm, 21,8 mm pada bakteri Staphylococcus aureus, sedangkan pada bakteri Eschericia coli ialah 24,8 mm, 21 mm, 18,3 mm, 17 mm. Simpulan: Ekstrak daun awar-awar berpotensi memiliki daya hambat terhadap pertumbuhan bakteri Staphylococcus aureus dan Eschericia coli. Kata kunci: ekstrak daun awar-awar, staphylococcus aureus, eschericia coli, uji daya hambat.


2021 ◽  
Vol 4 (1) ◽  
pp. 44-53
Author(s):  
Andri Priyoherianto ◽  
◽  
Panji Ratih Suci ◽  
Putri Rizki Cahya Fatimah ◽  
Atik Nur Wijayanti

Diabetes mellitus is a chronic metabolic disorder that occurs due to destruction of pancreatic ? cells characterized by blood glucose levels that exceed normal limits. The purpose of this study was to determine the therapeutic effect of the combination of water hyacinth leaf extract and Sintrong leaf in reducing blood glucose levels in alloxan-induced experimental animals. Water hyacinth leaf powder and Sintrong leaves were extracted using the maceration method with 70% ethanol as a solvent. A total of 25 mice were divided into 5 groups, namely negative control CMC-Na 0.5%, positive control glibenclamide 0.00065 mg / g BW, water hyacinth leaf extract 17.5 mg / kg BW, Sintrong leaf extract 10.5 mg/ kg BW and a combination of water hyacinth leaf extract 17.5 mg / kg BW and sintrong leaf 10.5 mg / kg BW. The results showed that a single extract of water hyacinth and Sintrong leaves was able to reduce blood sugar levels for 7 days. The combination dose was effective in reducing blood sugar levels with a combination dose of 17.5 mg/ kg water hyacinth leaf extract in combination for 7 days.


2020 ◽  
Vol 3 (2) ◽  
pp. 36-40
Author(s):  
Viki Ayu Intan Permatasari ◽  
Mutia Hariani Nurjanah ◽  
Wimbuh Tri Widodo

Since long ago Indonesia used nutritious plants as traditional medicines. Various types of plants in Indonesia can be used as alternative ingredients, one of which is aloe vera. Aloe vera contains saponin and anthraquinone, so aloe vera leaves function as antiseptic and antibacteria. Staphylococcus aureus is a gram-positive coccus bacteria. This bacterium is often found as a normal germ flora in humans. Staphylococcus aureus can cause infections in humans and animals. This study aims to determine the effect of ethanolic extract of Aloe vera leaves in inhibiting Staphylococcus aureus by using maceration extract method. The concentrations used were 20%, 40%, 60%, 80% and 100% with positive control (Erytromycin) and negative control (aquades). The inhibitory zone analysis is done using the table method. Test of ethanol extract of Aloe vera leaves in inhibiting Staphylococcus aureus produced inhibition zones at concentrations of 60%, 80% and 100% with average diameter of 6.94 mm, 6.22 mm and 9.5 mm. The conclusion of this research is the ethanolic extract of Aloe vera leaves can inhibit Staphylococcus aureus in high concentrations


2021 ◽  
Vol 24 (1) ◽  
pp. 1-5
Author(s):  
Olivia Avriyanti Hanafiah ◽  
Denny Satria ◽  
Avi Syafitri

Tooth extraction is a process of removing teeth from the alveolar bone. In wound healing, fibroblast are very important cells. The main purpose of this study was to determine the effect of mobe leaf 1% and 3% extract gel (Artocarpus lakoocha) on fibroblast proliferation in post extraction tooth socket wound healing. This research used 16 samples of wistar rats, divided into 4 groups, a positive control group, a negative control group and a 1% and 3% mobe leaf extract gel group. The left mandibular incisors were extracted, then 1% and 3% gels of mobe leaf extract were applied on day 1 to day 7. Data analysis was calculated using the Kruskal-Wallis test on clinical data and one way ANOVA test for microscopic. The result of the socket wound healing activity test for a good concentration of mobe leaf extract gel was 3%. This research shows significant resultith p-value of 0.018 (< 0.05) on the closure of the socket wound clinically which means the closure of the wound accelerates because of the mobe leaf 3% extract gel treatment. The distance of fibroblast on microscopically shows significant resultith a p-value of 0.002 (< 0.05), which means that there was an enlargement of the distance fibroblast at the socket wound closure with application of mobe leaf 3% extract gel. From the results of the study it can be concluded that mobe leaf 3% extract gel has the best ability to show acceleration the closure of the socket wound either clinically or microscopically.


Sign in / Sign up

Export Citation Format

Share Document