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Larvicidal Activity of Essential Oils From The Flowers of Nelumbo Nucifera and Tagetes Erecta

This document summarizes a dissertation submitted to Rajiv Gandhi University of Health Sciences regarding the larvicidal activity of essential oils from Nelumbo nucifera flowers and Tagetes erecta flowers. The summary outlines the need for studying natural larvicidal products due to increasing mosquito resistance to pesticides. It proposes investigating the essential oils of N. nucifera and T. erecta for their potential mosquito repellent and insecticidal properties while being safe for mammals. The dissertation aims to validate traditional plant-derived mosquito control methods scientifically.

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Viralyn Mores Escalante
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79 views4 pages

Larvicidal Activity of Essential Oils From The Flowers of Nelumbo Nucifera and Tagetes Erecta

This document summarizes a dissertation submitted to Rajiv Gandhi University of Health Sciences regarding the larvicidal activity of essential oils from Nelumbo nucifera flowers and Tagetes erecta flowers. The summary outlines the need for studying natural larvicidal products due to increasing mosquito resistance to pesticides. It proposes investigating the essential oils of N. nucifera and T. erecta for their potential mosquito repellent and insecticidal properties while being safe for mammals. The dissertation aims to validate traditional plant-derived mosquito control methods scientifically.

Uploaded by

Viralyn Mores Escalante
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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LARVICIDAL ACTIVITY OF ESSENTIAL OILS FROM THE

FLOWERS OF NELUMBO NUCIFERA AND TAGETES ERECTA

SYNOPSIS FOR
M.PHARM DISSERTATION

SUBMITTED TO
RAJIV GANDHI UNIVERSITY OF HEALTH SCIENCES
KARNATAKA

BY

SREE LEKHA.K
I M.PHARM
DEPARTMENT OF PHARMACOGNOSY
PES COLLEGE OF PHARMACY
BANGALORE-560050
(2012-2013)

RAJIV GANDHI UNIVERSITY OF HEALTH SCIENCES,


BANGALORE,
KARNATAKA,
ANNEXTURE II
PROFORMA OF REGISTRATION OF SUBJECT OF DISSERTATION
1.

NAME OF THE CANDIDATE AND ADDRESS

2.

NAME OF THE INSTITUTION

3.

COURSE OF THE STUDY AND SUBJECT

4.

DATE OF ADMISSION TO THE

SREE LEKHA. K
LIVING SPACE HOSTEL,
UNIT-I,
B.S.K. 1ST STAGE,
NEAR SEETHA CIRCLE.
BENGALURU-560 050.
PERMANENT ADDRESS
SREENIVASA ENCLAVE
NO: 205,
OPP. TO AGRICULTURAL
COLLEGE,
TIRUPATI RURAL,
CHITTOOR
DISTRICT,
PES
COLLEGE
OF
PHARMACY
HANUMANTHA NAGAR
BANGALORE-560050
MASTER OF
PHARMACY
IN PHARMACOGNOSY

COURSE
12TH JULY 2012

5.

TITLE OF THE TOPIC


LARVICIDAL ACTION OF ESSENTIAL OILS FROM THE

FLOWERS OF NELUMBO NUCIFERA AND TAGETES ERECTA

6.

BRIEF RESUME OF THE INTENDED WORK:


6.1 NEED FOR THE STUDY:
Insect-transmitted diseases remain a major source of illness and death
worldwide. Mosquitoes alone transmit disease to more than 700 million people
annually. Malaria alone kills 3 million each year, including 1 child every 30
seconds. Although mosquito-borne diseases currently represent a greater health
problem in tropical and subtropical climates, no part of the world is immune to
this risk1.
Control of such diseases is becoming increasingly difficult because of
increasing resistance of mosquitoes to pesticides. An alternative approach for
mosquito control is the use of natural products of plant origin. The botanical
insecticides are generally pest specific, readily biodegradable and usually lack
toxicity to higher animals. One plant species may possess substances with a wide
range of activities, for example extracts from the neem tree Azadirachta indica
showed antifeedant, oviposition deterrent, mosquito repellent and growth
regulating activity.
In recent years interest in plant based products has been revived because of
the development of cross-resistance and possible toxicity hazards associated with
synthetic insecticides and their rising cost. Phytochemicals obtained from the
huge diversity of plant species are important source for safe and biodegradable
chemicals, which can be screened for

mosquito repellent

and insecticidal

activities and tested for mammalian toxicity2.


In addition to application as general toxicants against mosquito immature,
phytochemicals may also have potential uses as growth and reproduction
inhibitors, repellents, and oviposition deterrents.
The most common mosquito repellent formulations available on the market
contain DEET (N,N-diethyl-3-methylbenzamide), which has shown excellent
repellency against mosquitoes and other biting insects .However, human toxicity
reactions after the applications of DEET vary from mild to severe. To avoid these
adverse effect, research on repellents that are derived from plant essential oil to
replace DEET. Botanical repellents are promising in that they are effective, safe to
users, and also inexpensive1.
A large number of such plants are available in ayurveda, which if validated
scientifically helps a lot to the society. Hence the present study is proposed to

8.
9.

NAME
OF
CANDIDATE

THE

SREE LEKHA.K

SIGN OF THE CANDIDATE


(SREE LEKHA)

10
.
11.

REMARKS OF THE GUIDE


11.1 NAME AND DESIGNATION OF
THE GUIDE

K. GIRIJA

11.2 SIGNATURE

11.3

HEAD OF THE DEPARTMENT:-

Prof. Dr. K. LAKSHMAN

REMARKS OF THE HEAD:

11.4
12
.

SIGNATURE:-

12.1 PRINCIPAL :-

REMARKS OF THE PRINCIPAL

PROF. DR. S. MOHAN


PRINCIPAL & DIRECTOR,
P.E.S COLLEGE OF PHARMACY,
BANGALORE-560050.
Forwarded for Approval

12.2 SIGNATURE:-

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