scholarly journals Investigation of cytotoxic and mutagenic effects of Malpighia glabra L. (barbados cherry) fruit pulp and vitamin C on plant and animal test systems

2012 ◽  
Vol 32 (2) ◽  
pp. 405-411 ◽  
Author(s):  
Elisângela Düsman ◽  
Márcia Flores da Silva Ferreira ◽  
Alessandra Paim Berti ◽  
Rosinete Gonçalves Mariucci ◽  
Mário Sérgio Mantovani ◽  
...  
Keyword(s):  
Cell Division ◽  
Vitamin C ◽  
Allium Cepa ◽  
Wistar Rats ◽  
Chromosomal Abnormalities ◽  
Bone Marrow Cells ◽  
Recovery Period ◽  
Test System ◽  
Liquid Form ◽  
Allium Cepa L

Fruits are important sources of nutrients in human diet, and Barbados Cherry (Malpighia glabra L.) is of particular interest due to its high content of antioxidants. Diets rich in fruits and vegetables protect individuals against diseases and cancer, but excessive intake of vitamins may act as pro-oxidant and generate changes in DNA. To evaluate the effect of different in natura (BAN) and frozen (BAF) Barbados Cherry pulp concentrations and synthetic vitamin C in liquid form (VC) on the chromosome level and the cell cycle division, root meristeme cells of Allium cepa L. and bone marrow cells of Wistar rats Rattus norvegicus, were used as test system. In Allium cepa L., BAN, at the highest concentration (0.4 mg.mL-1) and BAF, at the lowest concentration (0.2 mg.mL-1), inhibited cell division, and there was recovery of cell division after the recovery period in water only for BAN. In the Wistar rats, all treatments with Barbados Cherry, either acute or subchronic, were not cytotoxic or mutagenic; only the highest concentration of VC increased significantly the rate of chromosomal abnormalities. The data obtained are important to reinforce the use of Barbados Cherry fruit in the diet.

scholarly journals EKSTRAKSI DAN IDENTIFIKASI SENYAWA FLAVONOID DARI LIMBAH KULIT BAWANG MERAH SEBAGAI ANTIOKSIDAN ALAMI

al-Kimiya ◽  
2015 ◽  
Vol 2 (1) ◽  
pp. 1-8
Author(s):  
Siti Rahayu ◽  
Nunung Kurniasih ◽  
Vina Amalia
Keyword(s):  
Vitamin C ◽  
Allium Cepa ◽  
Allium Cepa L

ABSTRAKLimbah kulit bawang merah (Allium cepa L.) yang dihasilkan dari industri rumah tangga sebagian besar belum bisa dimanfaatkan. Hal ini sangat disayangkan karena di dalam kulit bawang merah ini ternyata mengandung banyak sekali senyawa-senyawa kimia yang bisa dimanfaatkan, salah satunya adalah senyawa flavonoid yang dapat berpotensi sebagai antioksidan. Dalam penelitian ini, kulit bawang merah diekstraksi dengan menggunakan pelarut metanol. Kemudian ekstrak dipartisi dengan pelarut etil asetat dan n-heksana lalu diuji fitokimia. Fraksi yang positif mengandung flavonoid yaitu fraksi air dan etil asetat dipisahkan dengan Kromatografi Lapis Tipis menggunakan eluen etil asetat : n-heksana (4:6). Noda dengan Rf yang sesuai dengan flavonoid kemudian dikerok dan diidentifikasi golongannya serta aktivitas antioksidannya dengan menggunakan spektrofotometer UV-Vis. Pengujian aktivitas antioksidan dilakukan dengan menggunakan Metode CR (Serium(IV) Sulfat). Dari spektrum UV-Vis, dapat diduga bahwa senyawa flavonoid tersebut merupakan golongan flavonol yang dapat dilihat pada rentang panjang gelombangnya yaitu antara 240-285 nm (pita II) dan 300-550 nm (pita I). Kemudian dilakukan pengujian aktivitas antioksidan dengan larutan kontrol berupa Vitamin C dan diukur absorbansinya pada panjang gelombang 241 nm, diperoleh hasil % aktivitas antioksidan yang menunjukkan bahwa fraksi etil asetat memiliki potensi sebagai antioksidan lebih besar dibandingkan dengan fraksi air.

scholarly journals Anticlastogenic effect of vitamin C on cisplatin in vivo

1999 ◽  
Vol 22 (3) ◽  
pp. 415-417 ◽  
Author(s):  
Lusânia M. Greggi Antunes ◽  
Joana D.C. Darin ◽  
Maria de Lourdes P. Bianchi
Keyword(s):  
Bone Marrow ◽  
Body Weight ◽  
Vitamin C ◽  
Wistar Rats ◽  
Bone Marrow Cells ◽  
Chemotherapeutic Agent ◽  
Anticlastogenic Effect ◽  
Rat Bone ◽  
Marrow Cells

The ability of vitamin C (VC) to protect against the clastogenic action of the chemotherapeutic agent cisplatin (DDP, cis-diamminedichloroplatinun II) in rat bone marrow cells was evaluated. DDP was administered to Wistar rats either alone or after treatment with VC. The rats were treated with VC (50, 100 or 200 mg/kg body weight) by gavage 10 min before the administration of DDP (5 mg/kg body weight, ip) and then sacrificed 24 h after treatment. VC significantly reduced (by about 70%) the clastogenicity of DDP in rat bone marrow cells. The antioxidant action of VC presumably modulates the clastogenic action of DDP.

scholarly journals Cytological Effects of Leaf Extract of Artemisia vulgaris L. on Meristematic Cells of Allium cepa L.

Our Nature ◽  
2013 ◽  
Vol 10 (1) ◽  
pp. 242-248 ◽  
Author(s):  
P.D. Rai ◽  
N. Paudel ◽  
S.R. Shakya
Keyword(s):  
Allium Cepa ◽  
Leaf Extract ◽  
Chromosomal Abnormalities ◽  
Water Extract ◽  
Inhibitory Effect ◽  
Artemisia Vulgaris ◽  
Active Components ◽  
Duration Of Treatment ◽  
Cytological Effect ◽  
Allium Cepa L

Artemisia vulgaris L., a perennial aromatic shrub with bitter taste, is considered as a medicinal plant and water extract of it consists of active components like psilostachyin A, psilostachy C, Exiguaflavanone A, Maackiain, fernenol with both anti-bacterial and medicinal value. It has been used to perserve crops and stored grains both in liquid and powder by farmers. The cytological effect was observed in 5, 7.5, 10 and 20% concentrations of Leaf Extract of Artemisia vulgaris (LEA) on Allium cepa L. in five different time durations. The present study showed the correlation between concentration of LEA and duration of treatment in controlled state. Higher concentrations of LEA as well as longer duration of treatment generate the inhibitory effect on the division of cells. Lower concentration of LEA showed less effect on Mitotic Index value (MI) in comparison with control value, which is attributed to delay in metabolic activities. It also showed the change in phase indices and induced chromosomal abnormalities among the phases.DOI: http://dx.doi.org/10.3126/on.v10i1.7787

Effect of the methanol extract of the red cultivar Allium cepa L. on the serum biochemistry and electrolytes of rats following sub-chronic oral administration

2019 ◽  
Vol 0 (0) ◽  
Author(s):  
Adeoye Joshua Oyewusi ◽  
Olayinka A. Oridupa ◽  
Adebowale B. Saba ◽  
Ibironke K. Oyewusi ◽  
Musa F. Mshelbwala
Keyword(s):  
Allium Cepa ◽  
Biochemical Parameters ◽  
Wistar Rats ◽  
Methanol Extract ◽  
Serum Biochemistry ◽  
Allium Cepa L ◽  
Similar Information ◽  
Group A ◽  
Serum Biochemical ◽  
Group B

AbstractBackgroundIn traditional medicine, Allium cepa Linnaeus is used for the treatment of several disease conditions. Whilst reports abound on the effects of several cultivars of A. cepa L on biochemical parameters, similar information on the red cultivar is scarce. This study examines the effects of the methanol extract of the red cultivar A. cepa L on some serum biochemical parameters in experimental Wistar rats.Materials and methodsFifty-five Wistar rats were divided into three groups (A, B and C), which include 25, 25 and 5 rats, respectively. The rats in Groups A and B were sub-divided into 5 groups of 5 rats. Each rat was administered a certain dose of methanol extract of the red cultivar A. cepa L for 14 days (Group A) or 28 days (Group B). Group C rats served as the control and were administered with distilled water (10 mL/kg).ResultsA. cepa L administration resulted in dyslipidaemia, hyponatremia, hypokalaemia and hyperchloraemia; a significant (p < 0.05) decrease in hepatic enzymes and a significant (p < 0.05) increase in serum bicarbonate, bilirubin and its fractions.ConclusionsThese biochemical results indicate that the excessive and prolonged medicinal consumption of A. cepa L products beyond 7 days may induce moderate hepatic injury and mild renal dysfunction and may complicate disease conditions, such as hypertension and diabetes. Thus, in order to minimize its toxic effects, it is recommended that A. cepa L products should not be used for more than seven consecutive days or beyond a dosage of 90 mg/kg.

scholarly journals ANTIPROLIFERATIVE AND GENOTOXIC POTENTIAL FROM EXTRACTS AND FRACTIONS OF RICHARDIA BRASILIENSIS GOMES (RUBIACEAE) BY THE ALLIUM CEPA L. TEST SYSTEM

2017 ◽  
Vol 72 (3) ◽  
pp. 424-431
Author(s):  
Rafaela C. Dornelles ◽  
Gabriela C. Leal ◽  
Ana Carla S. Decian ◽  
Daniele D. dos Santos ◽  
Gabriel A. Radiske ◽  
...  
Keyword(s):  
Allium Cepa ◽  
Test System ◽  
Genotoxic Potential ◽  
Allium Cepa L

scholarly journals PENGARUH PEMBERIAN EKSTRAK UMBI BAWANG MERAH (Allium cepa L) TERHADAP KADAR GULA DARAH TIKUS WISTAR (Rattus norvegicus) YANG DIINDUKSI DENGAN ALOKSAN

2015 ◽  
Vol 3 (1) ◽  
Author(s):  
Bryan Y. Kairupan ◽  
Mona P. Wowor ◽  
Christi Mambo
Keyword(s):  
Blood Sugar ◽  
Allium Cepa ◽  
Rattus Norvegicus ◽  
Wistar Rats ◽  
Control Group ◽  
Glucose Levels ◽  
Onion Bulbs ◽  
Blood Glucose Levels ◽  
Allium Cepa L ◽  
Sugar Levels

Abstract: People sure that onion bulbs ( Allium cepa L ) has a lot of advantage for health one of which is to lower blood sugar levels. The objective of this research were study the effectiveness of administration of onion bulbs extract on blood glucose levels of Wistar rats (Rattus norvegicus) induced by alloxan. The subject of research using laboratory animals such as male Wistar rats that were 18 samples were divided into 6 groups, the negative control group, and 5 groups of Wistar rats with alloxan-induced hyperglycemic dose of 130 mg / kg body weight of rats. In the group with hyperglycemic rats given onion bulbs extract at a dose of 9 mg, 18 mg, and 36 mg / 200 g body weight of rats, the positive control group was given novomix flexpen, and 1 group were only given alloxan. Data obtained from the results of blood sugar tests in all groups Wistar rats on the first day, second day, third in minutes 0, 6, 12, 18, and 24 hours. The results showed extract of onion bulbs (Allium cepa L) had an effect on blood glucose levels drop Wistar rats that had induced alloxan.Keywords: Allium cepa L, onion bulbs, blood sugar levels, alloxanAbstrak: Umbi bawang merah (Allium cepa L) diyakini masyarakat memiliki banyak manfaat bagi kesehatan salah satunya yaitu menurunkan kadar gula darah. Penelitian ini bertujuan untuk menguji pengaruh pemberian ekstrak umbi bawang merah terhadap kadar gula darah tikus wistar (Rattus norvegicus) yang diinduksi aloksan. Subjek penelitian menggunakan hewan uji berupa tikus wistar jantan yang berjumlah 18 ekor yang dibagi dalam 6 kelompok, kelompok kontrol negatif, dan 5 kelompok tikus wistar hiperglikemik yang diinduksi aloksan dengan dosis 130 mg/kg berat badan tikus. Kelompok tikus hiperglikemik diberi ekstrak umbi bawang merah dengan dosis 9 mg, 18 mg, dan 36 mg/ 200 g BB tikus, kelompok kontrol positif diberikan novomix flexpen, dan 1 kelompok yang hanya diberikan aloksan. Data diperoleh dari hasil pemeriksaan gula darah pada semua kelompok tikus wistar pada hari pertama, hari kedua, ketiga pada menit ke- 0, jam ke- 6, 12, 18, dan 24. Hasil penelitian menunjukkan pemberian ekstrak umbi bawang merah (Allium cepa L) mempunyai efek terhadap penurunan kadar gula darah tikus Wistar yang telah diinduksi aloksan.Kata kunci: Allium cepa L, Umbi Bawang Merah, Kadar Gula Darah, Aloksan

scholarly journals Antiproliferative action of aqueous extracts of Hymenaea stigonocarpa Mart. (Fabaceae) on the cell cycle of Allium cepa L.

2014 ◽  
Vol 86 (3) ◽  
pp. 1147-1150 ◽  
Author(s):  
LOURRAN P. LACERDA ◽  
GEIZ MALAQUIAS ◽  
ANA PAULA PERON
Keyword(s):  
Cell Cycle ◽  
Allium Cepa ◽  
Test System ◽  
Control Group ◽  
Aqueous Extracts ◽  
Root Cells ◽  
Antiproliferative Action ◽  
Allium Cepa L ◽  
Meristematic Root ◽  
Number Of Cells

In this study we evaluated the action of crude aqueous extracts obtained from rhytidome of Hymenaea stigonocarpa (jatobá-do-cerrado) on Allium cepa meristematic root cells in three concentrations: 0.082, 0.164, 0.328g/mL, at exposure times of 24 and 48 h. The slides were prepared by the crushing technique, and cells analyzed throughout the cell cycle, totaling 5000 for each control group and concentration. It was found that all three concentrations, including the lowest which is considered ideal for use, in all exposure times, had significant antiproliferative action on the cell cycle of this test system. For cells under division, we observed a high number of cells in prophase. Therefore, under the conditions studied H. stigonocarpa indicated to be cytotoxic.

scholarly journals Low dose genotoxicity of 4-bromo-n,n-diethyl-5,5- dimethyl-2,5-dihydro-1,2-oxaphosphol-2-amine 2-oxide in mice bone marrow cells and Allium cepa L. root tip cells

Genetika ◽  
2009 ◽  
Vol 41 (2) ◽  
pp. 179-188 ◽  
Author(s):  
Vanya Kalcheva ◽  
Asya Dragoeva ◽  
Karamfil Kalchev ◽  
Dobromir Enchev
Keyword(s):  
Bone Marrow ◽  
Allium Cepa ◽  
Bone Marrow Cells ◽  
Root Tip ◽  
Low Doses ◽  
Test Systems ◽  
Allium Cepa L ◽  
Tip Cells ◽  
Root Tip Cells ◽  
Marrow Cells

The chemistry of organophosphorus compounds is a subject of increasing interest and different new compounds have been synthesized. There are data that some known organophosphates are mutagens. Oxaphosphole derivatives possess biological activity and might influence proliferating cells. Bioassays are currently used in ecotoxicology to investigate the effects and mechanisms of action of new chemicals. To provide a broad coverage of the mutagenic potential of a chemical, information on different experimental test-systems is required. Genotoxicity assays are usually performed at high doses, but humans are exposed to most environmental chemicals at low doses. The objective of this study was to determine the genotoxicity of low doses (2.82x10-6 ?g/kg and 2.82x10-9 ?g/kg, corresponding to concentrations 10-12M and 10-15M) of 4-bromo-N,N-diethyl- 5,5-dimethyl-2,5-dihydro-1,2-oxaphosphol-2-amine 2-oxide (Br-oxph) in ICR mice bone marrow cells and Allium cepa L. root tip cells. Treatment with Br-oxph for 3 h produced alterations in the mitotic index in Allium cepa cells and induced chromosome aberrations in both test systems. These effects remained 48 h after the treatment. The data from the study showed the existence of cytotoxic and genotoxic effects of Br-oxph at tested doses.

Sign in / Sign up

Export Citation Format

Share Document