Determination of the lethal doses LD50 and LD90 of ,

Determination of the lethal doses LD 50 and LD 90 of Euphorbia , extracts in order to assess the possible environmental impact when used the control of , Latex was collected with covered test tubes by cutting through the stem of Euphorbia splenden plants that were cultivated on the Oswaldo Cruz Foundation campus, Rio de...

The activity of alcoholic extract of Garlic on the growth ,

determine the median lethal dose ( LD 50) of the extract in lab mice The Garlic was extracted by ethyl alcohol 95% , the ratio of ethanolic extraction amounted 44% of the weight of dry substance Graduated concentration were prepared from alcoholic extract of Garlic from 10-100 mg/ml...

The activity of alcoholic extract of Garlic on the growth ,

determine the median lethal dose ( LD 50) of the extract in lab mice The Garlic was extracted by ethyl alcohol 95% , the ratio of ethanolic extraction amounted 44% of the weight of dry substance Graduated concentration were prepared from alcoholic extract of Garlic from 10-100 mg/ml...

Oral acute toxicity (LD50) study of different solvent ,

Table 4: Results of median lethal dose determination of A precatorius solvent extracts Solvent extracts Log LD50 LD50 (mg/kg) Aqueous 3370 2, 345 70% Methanol 3596 3,942 Acetone 2272 187 Petroleum ether 2610 407 Effects of acute oral administration of A precatorius extracts on body weights and organ weights...

DETERMINATION OF LETHAL DOSE AND EFFECT OF ,

DETERMINATION OF LETHAL DOSE AND EFFECT OF GAMMA RAY ON GERMINATION PERCENTAGE AND SEEDLING PARAMETERS IN ADT (R) 47 RICE a*Rajarajan, D, bSaraswathi,R & cSassikumar, D a,b Centre for Plant Breeding and Genetics, Tamil Nadu Agricultural University, Coimbatore-641003, Tamil Nadu, India...

Obtaining the Minimum Lethal Dose against Fasciola ,

study was aimed at determining the hexane anti-Fasciola hepatica in the in vitro effect of some plant extracts and the minimum lethal dose of the mentioned extracts All selected plants were tested in vitro at concentrations of 500, 250, 125 and 50 mg/L): Achilleamillefolium (plumajillo), Artemisiaabsinthium (wormwood), Artemisia mexicana ....

Phytochemical screening, proximate analysis, median lethal ,

this, phytochemical screening, proximate analysis, median lethal dose (LD 50), hematological and biochemical effects of extracts of A precatorius seed was studied in Mus musculus Materials and methods: Nineteen (19) mice were used for the study Four (4) mice were used for determination of median lethal dose of the aqueous and ethyl...

ACUTE TOXICITY (LD50) STUDY OF METHANOL EXTRACT OF ,

Mortality recorded in intra-peritoneal Lethal Dose (LD50) determination for the extract Dose(mg/kg body weight) Methanol extract of Salacia senegalensis 0 10 4 0 100 4 0 1000 4 0 Control 4 ( 0 ) 0 = number of death, 4 = number of mice used for the test 4 Table 3...

In vitro neutralization of Naja nigricollis venom by stem ,

271 Acute Toxicity Test on Extract The determination of the median lethal dose (LD 50) of the stem-bark methanol extract of C africana was carried out in mice by the method described by Lorke [29] (1983) In the initial phase, 9 mice were randomly divided into three groups of three mice each...

In vivo Acute Toxicity (LD50) Studies and Phytochemical ,

of the plant extracts and the time course of the adverse effect eg onset and duration of response was also investigated In , non-lethal dose ie, the geometric mean of the consecutive doses for which 0% and survival rates were recorded in the second phase, the oral median lethal dose were calculated using ....

Comparative Study of the Phytochemical Properties of ,

plants' defense against plant-feeding insects and other herbivores (Rosenthal and Janzen, 1979) The chemical properties of many plants have been known for a long time and natural products based on plant extracts such as rotenone, nicotine and pyrethrum have been commonly used in pest control during the earlier half of this century However ....

Immunopotentiating properties of ethanolic extract of ,

subsequent doses were then increased by a factor of 15 to attain maximum non-lethal and minimum lethal dose The extract was found to be safe up to the dose of 2 g/kg po according to Organization for Economic Co-operation and Development (OECD) guideline 425 different doses ranging from 1/10th as lower dose...

how to calculate lethal dose of an extract

determination of lethal dose of plant extract determination of lethal dose of plant extract In Vitro Screening of 10 Edible Thai Plants for Potential Antifungal Properties- determination of lethal dose of plant extract ,23 Antifungal Activity The screening of plant extracts for antifungal activity was investigated using a modified broth microdilution method The plant extract/fungal isolate ....

The activity of alcoholic extract of Garlic on the growth ,

determine the median lethal dose ( LD 50) of the extract in lab mice The Garlic was extracted by ethyl alcohol 95% , the ratio of ethanolic extraction amounted 44% of the weight of dry substance Graduated concentration were prepared from alcoholic extract ,...

Acute toxicity studies and determination of median lethal dose

This article reviews the methods so far utilized for the determination of median lethal dose (LD50) and the new changes which could be made , Lower doses of the plant extract are therefore ....

Determining LD50 for a plant extract - ResearchGate

Determining LD50 for a plant extract What is the basis for selecting the minimal dose of plant extract for calculating lethal dose for an animal , LD50 is an important factor for determination ....

Tanacetum parthenium L in albino wistar rats

methanolic extract of T parthenium and to establish the safety of methanolic extract of T parthenium in albino wistar rats (180-200g) as per OrganizationforEconomic CooperationandDevelopment(OECD) guidelin In acute toxicity study, the oral dose (1000, 2000, 3000 and 4000 mg/kg) of tested plant extract was administered...

Antifertility Activity of Ethanolic Seed Extract of Celery ,

two hours The yield of the ethanolic extract was 626% (w/w)The extract was analyzed using TLC silica gel plates18 to identify the major active components Determination of the Lethal Dose of ESEAG A total of 80 male albino mice (Musmusculus, JVI-1) weighing 20-21g were used to determine LD50 of the ESEAG The mice were divided into ten ....

Hypoglycemic and hypolipidemic activity of root extracts ,

ic effects and determine minimum lethal dose of the drug extracts Swiss albino mice of either weighing between 20-30 g fasted overnight, were used for the study Each extract was orally administered at doses of 30, 100, 300, 1000 and 3000 mg/kg body weight to separate groups of mice Subsequent to adminis-...

determination of lethal dose of plant extract-[mining plant]

The lethal dose (LD 50) of the plant extract was determined by , body weight of the methanol extract of the leaves ip Determination of blood , Valeriana officinalisValerian and Medical , Dosage :300-500 mg of valerian root herbal extract one hour before bedtime for insomnia...

ACUTE TOXICITY (LD50) STUDY OF METHANOL EXTRACT OF ,

Mortality recorded in intra-peritoneal Lethal Dose (LD50) determination for the extract Dose(mg/kg body weight) Methanol extract of Salacia senegalensis 0 10 4 0 100 4 0 1000 4 0 Control 4 ( 0 ) 0 = number of death, 4 = number of mice used for the test 4 Table 3...

Immunopotentiating properties of ethanolic extract of ,

subsequent doses were then increased by a factor of 15 to attain maximum non-lethal and minimum lethal dose The extract was found to be safe up to the dose of 2 g/kg po according to Organization for Economic Co-operation and Development (OECD) guideline 425 different doses ranging from 1/10th as lower dose...

A PILOT STUDY ON THE DETERMINATION OF ANTIOXIDANT ,

A PILOT STUDY ON THE DETERMINATION OF ANTIOXIDANT POTENTIAL AND LETHAL , the lethal dosage of fruit extract of Terminalia chebula, a traditional medicinal plant widely used for various ailments , The reducing power of the plant extract was determined by the method of Oyaizu et al[18] Varying concentrations of the extracts...

Determination of the lethal doses LD50 and LD90 of ,

Determination of the lethal doses LD 50 and LD 90 of Euphorbia , extracts in order to assess the possible environmental impact when used the control of , Latex was collected with covered test tubes by cutting through the stem of Euphorbia splenden plants that were cultivated on the Oswaldo Cruz Foundation campus, Rio de...

Determination Of Lethal Dose Of Plant Extract

Determination Of Lethal Dose Of Plant Extract Determination of median lethal dose LD 50 Five groups of six rats each received the plant extract in doses ranging from 1 to 4 gkg body weight The toxic symptoms mortality rate and postmortem findings in each group were recorded 24 h after administration...

how to calculate lethal dose of an extract

determination of lethal dose of plant extract determination of lethal dose of plant extract In Vitro Screening of 10 Edible Thai Plants for Potential Antifungal Properties- determination of lethal dose of plant extract ,23 Antifungal Activity The screening of plant extracts for antifungal activity was investigated using a modified broth microdilution method The plant extract/fungal isolate ....

A PILOT STUDY ON THE DETERMINATION OF ANTIOXIDANT ,

A PILOT STUDY ON THE DETERMINATION OF ANTIOXIDANT POTENTIAL AND LETHAL , the lethal dosage of fruit extract of Terminalia chebula, a traditional medicinal plant widely used for various ailments , The reducing power of the plant extract was determined by the method of Oyaizu et al[18] Varying concentrations of the extracts...

EVALUATION OF THE LETHAL DOSE OF THE METHANOL ,

indiscriminate use of plant medicine without prejudice to the toxic effects of plant extracts of which the leaf of mangrove is one, the present investigation aims to determine the mean lethal dose (LD 50) of leaf extract of Rhizophora racemosa collected from Dodo River ,...

Phytochemical screening, proximate analysis, median lethal ,

this, phytochemical screening, proximate analysis, median lethal dose (LD 50), hematological and biochemical effects of extracts of A precatorius seed was studied in Mus musculus Materials and methods: Nineteen (19) mice were used for the study Four (4) mice were used for determination of median lethal dose of the aqueous and ethyl...

Tanacetum parthenium L in albino wistar rats

methanolic extract of T parthenium and to establish the safety of methanolic extract of T parthenium in albino wistar rats (180-200g) as per OrganizationforEconomic CooperationandDevelopment(OECD) guidelin In acute toxicity study, the oral dose (1000, 2000, 3000 and 4000 mg/kg) of tested plant extract was administered...