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Methanolic Extract of Eggplant (Solanum Melogena) Peel as a Dye Pigment in Differential Stains

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Methanolic Extract of Eggplant (Solanum Melogena) Peel as a Dye Pigment in Differential Stains
Methanolic Extract of Eggplant (Solanum melogena) Peel as a Dye Pigment in Differential Stains

Azucena, Alexis G.

An Official Entry to 2010 Regional Science Fair
Cluster 2
Physical Science- Individual

Negros Occidental National Science High School

January 13, 2011

Ma. Melanie P. Romero
Research IIB Adviser
APPROVAL SHEET
The research paper attached hereto, entitled, “Methanolic Extract of Eggplant (Solanum melogena) Peel as a Dye Pigment in Differential Stains”, prepared and submitted by Alexis G. Azucena in partial fulfillment of the requirement in Research II-B is hereby accepted.

_____________________________ ______________________________ Mrs. Ma. Melanie P. Romero Mr. Philip E. Villanueva Jr. Research II-B Adviser Panelist NONSHS NONSHS

_____________________________ ______________________________ Ms. Madonna B. Decena Eng’r. Rafael N. Diamante Jr. Panelist Panelist NONSHS NONSHS

Accepted in partial completion of the requirements for graduation in Negros Occidental National Science High School, Victorias City, year 2010-2011.

_____________________________ ______________________________ Mrs. Maritess B. Rivera Mr. Michell L. Acoyong Principal-in-Charge ES-1 Science NONSHS Division of Negros Occidental

Abstract Anthocyanin is a pigment that changes color in different pH level. In this property, anthocyanin becomes a pH indicator. Recent study shows that anthocyanin can be used as a microbiological stain. This study aims to determine the potential of methanolic extract of eggplant (Solanum melogena) peels as a dye pigment in differential stain. Eggplant contains anthocyanin in the peels. Eggplants were peeled and then weighed. Fifty (50) grams of peels were homogenized with acidified
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