scholarly journals Aktivitas Antihipertensi Ekstrak dan Fraksi-Fraksi Daun Avokad (Persea americana Mill) pada Tikus Jantan dengan Parameter Sistolik dan Diastolik

2021 ◽  
Vol 21 (2) ◽  
pp. 145
Author(s):  
Novi Elisa ◽  
Aloysius Barry Anggoro ◽  
Erwin Indriyanti

Penyakit kardiovaskuler yang terjadi di Indonesia berawal dari penyakit menular kemudian beralih menjadi tidak menular, salah satunya hipertensi. Tujuan dari penelitian ini untuk mengetahui skrining fitokimia dan hasil uji KLT ekstrak dan fraksi-farksi daun avokad pada tikus jantan yang dibuat model hipertensi dengan induksi NaCl dan prednison.  Pengujian ini dilakukan selama 28 hari menggunakan alat Blood Presure Analizer Tail Caff dengan kelompok perlakuan kontrol normal, positif, negatif, ekstrak dosis 75mg/kgbb, 150mg/kgbb, 250mg/kgbb dan fraksi air, etil asetat, n-heksana masing-masing kelompok berisi 5 ekor tikus. Pengukuran tekanan darah dilakukan pada T0 (belum diberi perlakuan), T1, T2, T3 (induksi NaCl dan Prednison), T4 (diberikan dosis ekstrak dan dosis fraksi). Hasil uji skrinning fitokimia positif flavonoid dan uji KLT dimana nilai Rf yang dihasilkan setelah percobaan KLT dengan metode penyinaran UV 254, ekstrak daun alpukat dengan menggunakan baku kuersetin yang dihasilkan Rf 0,75, fraksi air 0,82, n-heksana 0,93, etil asetat 0,82 dari hasil tersebut dapat dibuktikan terjadi penurunan aktivitas tekanan darah. Hasil persentasi penurunan ekstrak dan fraksi-fraksi daun alpukat menunjukkan dosis efektif ekstrak 250mg/kgbb yaitu 5,87/10,96% sig > 0,05 berbeda makna dengan kelompok negatif dan fraksi etil asetat 5.71/14.53%. sig > 0,05 berbeda makna dengan kelompok negatif.Kata kunci: Antihipertensi; daun avokad; diastolik; sistolik; tikus Anti-Hypertension Activity of Avocado (Persea americana Mill) Leaves Extracts and Fractions in Male Rats with Systolic and Diastolic ParametersABSTRACTOne of cardiovascular diseases that occur in Indonesia that start from infectious diseases and then turn into non-infectious diseases is hypertension. This study aimed to determine the phytochemical screening and TLC test results of avocado leaves extract and fractions in hypertension-modeled male rats through induction of NaCl and prednisone. This test was done in 28 days used Blood Pressure Analyzer Tail Caff with normal, positive, negative control treatment groups, extract doses of 75mg/kgbb, 150mg/kgbb, 250mg/kgbb and water, ethyl acetate, n-hexane fractions for each group. Each group contains 5 rats. Blood pressure measurement was done at T0 (untreated), T1, T2, T3 (induction of NaCl and Prednisone), T4 (given extract dose and fraction dose). The results of phytochemical screening test were positive for flavonoids and the TLC test, where the Rf value produced for avocado leaves extract after TLC test with UV 254 irradiation method, using quercetin standard produced was 0.75, water fraction was 0.82, n-hexane was 0.93, ethyl acetate was 0.82. These results then proved with decrease in blood pressure activity. The results of decreases in percentage of avocado leaves extract and fractions showed that the effective dose of extract 250mg/kgBW was 5.87/10,96% sig > 0.05, which was significantly different from negative group and ethyl acetate fraction was 5.71/14.53%. sig > 0.05 significantly different with negative group.Keywords: Antihypertensive; avocado leaves; diastolic; rat; systolic

Author(s):  
Resmi Mustarichie

Objective: The aim of this study is to investigate antioxidant activity and phytochemical screening of ethanol extract, fractions of water, ethyl acetate, and n-hexane from mistletoe tea (Scurrula atropurpurea Bl. Dans).Methods: Simplicia extracted using soxhlet equipment with 96% ethanol. Fractionation was conducted using liquid-liquid extraction using a solvent of water, ethyl acetate and n-hexane. Screening of phytochemical and antioxidant activity was performed against these fractions. Antioxidant activity was determined by 2,2-diphenyl-1-picrylhydrazyl method using ultraviolet-visible spectrophotometry with ascorbic acid as standard. Phytochemical screening was conducted based on the method of Farnsworth.Results: The IC50 values of ethanol extract, water fraction, fraction of ethyl acetate, and n-hexane fraction were 21.92 ppm, 89.57 ppm, 14.08 ppm, and 162.09 ppm, respectively, whereas for ascorbic acid was 4.41 ppm. The ethanol extract and ethyl acetate fraction contained compounds were the same group, polyphenolic, tannins, flavonoids, monoterpenoid, steroids, triterpenoids, and quinones. Fraction of water contained compounds such as polyphenolic group, flavonoids, monoterpenoids, sesquiterpenoids, steroids, and triterpenoids. n-hexane fraction compounds contained steroids and triterpenoids.Conclusion: The ethanol extract, water fraction, ethyl acetate fraction, and n-hexane fraction showed antioxidant activities. The ethanol extract, fractions of water, and ethyl acetate fraction contained flavonoids and polyphenolic potential as antioxidants.Keywords: Mistletoe tea, Scurrula atropurpurea, Antioxidant, 2,2-diphenyl-1-picrylhydrazyl, Ascorbic acid.


2012 ◽  
Vol 109 (5) ◽  
pp. 827-833 ◽  
Author(s):  
J. C. Rodríguez-Figueroa ◽  
A. F. González-Córdova ◽  
H. Astiazaran-García ◽  
B. Vallejo-Cordoba

Previous studies have demonstrated that milk fermented by specific Lactococcus lactis strains significantly inhibits the activity of angiotensin I-converting enzyme (ACE). However, the relationship between the ACE inhibitor and its in vivo action has revealed discrepancies. Therefore, the aim of the present study was to investigate the antihypertensive and heart rate (HR)-lowering effect of milk fermented by specific L. lactis in a murine model. Spontaneously hypertensive male rats (271 (SD14) g) were randomised into four treatment groups that were orally administered with milk fermented by L. lactis NRRL B-50 571 or L. lactis NRRL B-50 572 at 35 or 50 mg protein/kg body weight (BW), respectively. Further, two more groups were fed with different solutions as controls: a saline solution as the negative control and Captopril™ (40 mg/kg BW), a proven ACE inhibitor, as the positive control. Blood pressure and HR were monitored by the tail-cuff method before the treatments and at 2, 4, 6 and 24 h post-oral administration. The results demonstrated that milk fermented by L. lactis NRRL B-50 571 as well as by L. lactis NRRL B-50 572 presented an important systolic and diastolic blood pressure- and HR-lowering effect. Thus, milk fermented by specific L. lactis strains may present potential benefits in the prevention and treatment of CVD associated with hypertension in humans.


Author(s):  
Oryza Sativa Fitriani ◽  
Suhatri Suhatri ◽  
Harrizul Rivai

Traditional medicinal ingredients originating from the Province of East Kalimantan (Indonesia) with the composition of meniran leaves (Phyllanthus niruri L.), cat whiskers leaves (Orthosiphon aristatus), ceplukan leaves (Physalis minima L.), and lempuyang emprit rhizome (Zingiberis amaricana Bl.) are used to help lower blood pressure by the local community. This study aimed to analyze the content of chemical compounds, determine the levels of chemical compounds, and the antihypertensive effect of these traditional medicinal ingredients. This traditional medicinal herb is made into a fine powder and then brewed with boiling water. Phytochemical screening and determination of levels of phytochemical compounds were carried out on these traditional medicinal ingredients. Testing the antihypertensive effect of these traditional medicinal ingredients was carried out on white male rats. The results of the qualitative analysis showed that the chemical compounds contained in the traditional medicinal ingredients were flavonoids, phenols, tannins, and carbohydrates. Quantitative analysis of the traditional medicinal ingredients showed that the content of flavonoid compounds was 0.6375%, phenolic compounds were 3.2412%, and tannin compounds were 0.6593%. Testing the antihypertensive effect of this traditional medicinal herb on rats can reduce systolic, diastolic, and arterial blood pressure. The conclusion is that this traditional medicinal herb contains phytochemical compounds that can help lower blood pressure in rats.


Author(s):  
Dwintha Lestari

Objective: The objective of this research was to evaluate reduction of blood cholesterol level by fraction extracts of binahong (Anredera cordifolia) on male Wistar rats. Methods: The rats were given high fat food every day for 3 months and pure cholesterol on week 0, 3, 7 and 11.  After that each binahong fraction (n-hexane fraction, ethyl acetate fraction and water fraction) with doses of 50 mg/kg bw, 100 mg/kg bw, 200 mg/kg bw were given orally for 3 weeks and observed for lipid profile on day 21.   Results: The result showed that n-hexane, ethyl acetate and water fractions of binahong leaves decreased total cholesterol, triglyceride and LDL level, and did not influence the HDL level. Meanwhile statin decreased total cholesterol, triglyceride and LDL level, and increased HDL level. Conclusion: Ethyl acetate fraction of binahong leaves significantly reduced total cholesterol level, triglycerides, LDL level compared to negative control group (p< 0.05) and had no influence in HDL level. Keywords: Atherosclerosis, Anredera cordifolia, cholesterol


Author(s):  
Nia Kristiningrum ◽  
Lestyo Wulandari ◽  
Aini Zuhriyah

Objective: This study was to investigate the phytochemical screening, total phenolic content (TPC), and antioxidant activity of fractions of water, ethyl acetate, and n-hexane from Dendrophthoe pentandra (L.) Miq. and mistletoe of Moringa oleifera Lam.Methods: Simplicia extracted with 96% ethanol using maceration method. Liquid-liquid extraction was used for fractionation with water, ethyl acetate, and n-hexane as solvent. Phytochemical screening, determination of TPC, and antioxidant activity were performed against these fractions. Antioxidant activity was determined by 2,2-diphenyl-1-picrylhydrazyl method. The TPC was measured by Folin–Ciocalteu reagent and use gallic acid (GA) as a standard.Results: Water fraction contains saponin and polyphenols. Ethyl acetate fraction contains alkaloids, flavonoids, saponins, terpenoids, and polyphenols. N-hexane fraction only contains alkaloids and terpenoids. The TPC and antioxidant activity of fractions of water, ethyl acetate, and n-hexane were 9.42±1.16%, 21.35±1.86%, and 67.40±0.82% mg GA equivalent/g fraction and 29.46 μg/ml±0.99%, 7.08 μg/ml±0.39%, and 10.90 μg/ml±1.05%, respectively.Conclusion: Fraction of ethyl acetate exhibited the highest antioxidant activity and TPC. This study showed that there were significant correlations between TPC and antioxidant activity at significance level p<0.05.


2018 ◽  
Vol 54 (2) ◽  
pp. 96
Author(s):  
Arya Ulilalbab ◽  
Bambang Wiratmadi ◽  
Merryana Adriani

Currently, the number of smokers in Indonesia is still high. Cigarette smoke contains free radicals. This study aimed to analyze the effects of purple rosella petal extract on the prevention of hepatocyte degeneration in Wistar rats exposed to cigarette smoke. Twenty male rats were divided into four groups: negative control, positive control, treatment group receiving 270 mg/kg BW purple rosella petal extract, and treatment group receiving 540 mg/kg BW purple rosella calyx extract. Negative control was only given with standard feed. Positive control was given with standard feed and exposed to 2 cigarettes a day. Treatment groups were fed with standard feed and administered with rosella extract in the morning then exposed to 2 cigarettes every day. This study was conducted for 28 days. At the end of the study, hepatocyte degeneration was observed in liver histopathology stained with hematoxilin eosin. The administration of purple rosella petal extracts in the doses of 540 mg/kgBW and 270 mg/kgBW significantly (p<0.05) prevented hepatocyte degeneration. Purple rosella petal extract is able to prevent hepatocyte degeneration in Wistar rats exposed to cigarette smoke.


2020 ◽  
pp. 1-7
Author(s):  
Johnson-Ajinwo Okiemute Rosa ◽  
Johnson-Ajinwo Okiemute Rosa ◽  
Udofia Cynthia Emmanuel ◽  
Nwanosike Ahamefula Okeosisi

The rapid development of malignant cancers is characterized by inflammation, which poses a significant drawback in cancer therapy. Both cancer and inflammation operate on very similar mechanisms involving angiogenesis and cell proliferation. Currently, cancer-intrinsic inflammations have been shown to promote cancer progression and hinder apoptosis of cancerous cells. Thus, an effective strategy for chemoprevention and therapy would involve the control of inflammation. This research work aims to investigate the antiinflammatory activity of the extracts of the root bark of Rutidea parviflora (Rubiaceae), a plant I previously reported for anti-ovarian cancer activities and the isolation of palmatine; an anti-cancer compound and a second compound; urs-12-ene-24-oic acid, 3-oxo, methyl ester. This plant is renowned for its antiinflammatory properties amongst locals in Delta state, Nigeria, which has necessitated this present research. Organic and aqueous extracts were obtained from the pulverized root bark by use of the America national cancer institute protocol (NCI). The organic extract was partitioned sequentially in increasing order of polarity with n-hexane, ethyl acetate, n-butanol and distilled water to obtain four fractions. Phytochemical screening was done using standard procedures. Results from the phytochemical screening indicated the presence of alkaloids, flavonoids, saponins, tannins, glycosides and carbohydrates. Anti-inflammatory investigations of the extracts and fractions were carried out by the induction of inflammation. The animals were grouped into 12 test groups and 2 control groups with 6 rats per group. Egg albumin (0.1 ml) was administered sub-plantarly followed by treatment. Group A received a dose of 200 mg/kg of the plant extracts and Group B received a dose of 400 mg/kg of the plant extracts. Group C (positive control) received indomethacin (10 mg/kg), while Group D (negative control) received 1 ml of normal saline. Statistical analysis showed significance against the negative control indicated by P<0.05 for extracts and fractions. While for the fourth hour post induction of inflammation; the activities of the Group B organic extract, ethyl acetate and n-butanol fractions were comparable with indomethacin indicating that the plant possess significant anti-inflammatory activity and warrants further anti-inflammatory studies.


Dates consisting of 90% flesh have been known to have various benefits, but the remaining 10% of them in the form of seeds has not been utilized optimally. The date palm contains a fairly high polyphenol compound, which can act as an antioxidant. This study aims to determine the antioxidant activity of methanol extract and fractionation of the extract of dates using the in vitro method of DPPH (1,1-diphenyl-2-picrilhidrazil). The date seeds are made into simplicia, macerated with methanol, and then the extracted methanol is gradually fractionated by n-hexane, ethyl acetate, n-butanol, and water. Each fraction and extract is phytochemically screened using the standard methods and its antioxidant activity is determined by DPPH method. Methanol extract, ethyl acetate, n-butanol, and water fractions contain tannins, flavonoids, alkaloids, and saponin, while the n-hexane fraction not contain phytochemical compound based on the phytochemical screening. The ethyl acetate fraction has the strongest antioxidant activity with the lowest IC50 value, that is equal to 3.72 ± 0.44 μg/mL, followed by methanol extract of 4.71 ± 0.64 μg/mL, n-butanol fraction of 6.62 ± 0.08 μg/mL, water fraction of 53.00 ± 18.96 μg/mL, and n-hexane fraction of 250.19 ± 9.69 μg/ mL, while the IC50 value of vitamin C as the positive control is 4.29 ± 0.74 μg/mL. Therefore, date seeds can be a source of natural antioxidants


Author(s):  
Resmi Mustarichie ◽  
Sandra Megantara ◽  
Wiwiek Indriyati ◽  
Ade Zuchrotun

Objective: To investigate antioxidant activity and phytochemical screening of ethanol extract, fractions of water, ethyl acetate and n-hexane from tauco.Methods: Two types of tauco was extracted using soxhletation methods, followed by fractionation using liquid-liquid extraction methods and phytochemical screening. Antioxidant activity test was carried out using DPPH with Ascorbic acid (vitamin C) as a reference. Modified method of Farnsworth was applied for phytochemical screening.Results: It was found that extracts of ethanol and ethyl acetate fraction containing flavonoids, monoterpenoid, and sesquiterpenoids whereas the water fraction and a fraction of n-hexane only contain monoterpenes and sesquiterpenoids. The IC50 value for the ethanol extract, water, ethyl acetate, and n-hexane fractions of two taucos in a row were 1192.71 ppm, 1746.01 ppm, 722.38 ppm, 1845.45 ppm and 1190,15 ppm, 1740.30, 710.46, for tauco A and B respectively.Conclusion: It was unexpected that tauco ethanol extract and fractions showed much weaker antioxidant activity than vitamin C, which had the IC50 value of 4.41 ppm. 


2018 ◽  
Vol 1 (2) ◽  
Author(s):  
Novera Herdiani ◽  
Wiwik Afridah

Abstract: Cigarette smoke contains free radicals. Currently the number of smokers in Indonesia arestill high. This study aims to analyze the effects of red rosella of dried on the prevention of theincrease of Malondialdehyde (MDA) serum of strain wistar rats exposed to cigarette smoke. Thetotal sample of 24 male rats and divided into four groups: negative control, positive control, treatment of red rosella on dried dose 540 mg/bw, and red rosella on dried dose 810 mg/bw. Negativecontrol only given with standard feed. Positive control given by standard feed and exposed to 2cigarettes a day. Treatment group were feed by standard and red rosella of dried in the morning andexposed to 2 cigarettes after that. This study was conducted for 21 days. At the end of the study,blood serum was analyzed to determine MDA. The results of the study of MDA serum test isanalyzed with One Way ANOVA and followed by Tukey LSD test at 5% level. The giving of redrosella on dried dose 540 mg/bw and red rosella on dried dose 810 mg/bw can significantly preventthe increase of MDA serum in strain wistar rats exposed to cigarette smoke.


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