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Isolation and characterization of the active glycoside IN Nerium oleander L. (Adelfa) leaves extract as a potential pesticide / May Theresa B. Lao. 6

By: May Theresa B. Lao. 4 0 16, [, ] | [, ] |

Contributor(s): 5 6 [] |

Language: Unknown language code Summary language: Unknown language code Original language: Unknown language code Series: ; March 2003.46Edition: Description: 28 cm. 32 ppContent type: text Media type: unmediated Carrier type: volumeISBN: ISSN: 2Other title: 6 []Uniform titles: | | Related works: 1 40 6 []Subject(s): -- 2 -- 0 -- -- | -- 2 -- 0 -- 6 -- | 2 0 -- | -- -- 20 -- | | -- -- -- -- 20 -- | -- -- -- 20 -- --Genre/Form: -- 2 -- Additional physical formats: DDC classification: | LOC classification: | | 2Other classification:

Contents:

Action note: In: Summary: ABSTRACT: This study is about the extraction, isolation and characterization of glycosides present in the crude extract of Nerium oleander L. (Adelfa) leaves and the formulation of a natural pesticide. The experimental method consists mainly of seven parts, namely: 1. Collection and Preparation of Raw Materials, 2. Decoction Method, 3. Cardenolide/Glycoside Detection, 4. Mortality Test of 10% crude extract, 5. Column Chromatography, 6. GC/MS, and 7. Formulation and Comparison of the Commercial and Formulated Pesticide Pesticides. Ethanolic extract yields 15% and gave a positive result in the color reaction method for the presence of glycosides. GC/MS identified and characterized Olean-12-ene as the active component in the oleander extract. Toxicity Tests showed that there is no significant difference between the formulated pesticide with that of the commercial pesticide. Other editions:

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Item type	Current location	Home library	Collection	Call number	Status	Date due	Barcode	Item holds
Book	PLM	PLM Filipiniana Section	Filipiniana-Thesis	T QD65.L36.2003 (Browse shelf)	Available		FT7105

Total holds: 0

Undergraduate Thesis: (Bachelor of Science in Chemistry) - Pamantasan ng Lungsod ng Maynila, 2003. 56

ABSTRACT: This study is about the extraction, isolation and characterization of glycosides present in the crude extract of Nerium oleander L. (Adelfa) leaves and the formulation of a natural pesticide. The experimental method consists mainly of seven parts, namely: 1. Collection and Preparation of Raw Materials, 2. Decoction Method, 3. Cardenolide/Glycoside Detection, 4. Mortality Test of 10% crude extract, 5. Column Chromatography, 6. GC/MS, and 7. Formulation and Comparison of the Commercial and Formulated Pesticide Pesticides. Ethanolic extract yields 15% and gave a positive result in the color reaction method for the presence of glycosides. GC/MS identified and characterized Olean-12-ene as the active component in the oleander extract. Toxicity Tests showed that there is no significant difference between the formulated pesticide with that of the commercial pesticide.

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