Extraction and characterization of calcium oxalate crystals in sugar palm (Arenga pinnata wurmb merr.) /

Aclan, Dennis Bryan M.

Extraction and characterization of calcium oxalate crystals in sugar palm (Arenga pinnata wurmb merr.) / by Dennis Bryan M. Aclan, Walter John C. Albutra, Patricia Anne C. Centeno. - Indang, Cavite : Cavite State University- Main Campus, 2006. - xii, 34 pages : illustrations ; 28 cm.

Research Study (Applied Research IV - - General Science Curriculum) Cavite State University.

Includes bibliographical references.

Science High School, College of Education (CED) Science High School, College of Education (CED)

ACLAN, DENNIS BRYAN M., WALTER JOHN C. ALBUTRA and PATRICIA ANNE C. CENTENO. Extraction and Characterization of Oxalate Crystals in Different Parts of Sugar Palm (Arenga pinnata Wurmb Merr.). Applied Research III, Science High School, Cavite State University, Indang, Cavite. March 2006. Adviser: Prof. Beng P. Umali

The study entitled “ Extraction and Characterization of Oxalate Crystals in Different Parts of Sugar Palm (Arenga pinnata Wurmb Merr.)” was conducted to extract and characterize the CaOx crystals from the different parts of sugar palm. Specifically, it aimed to: a) establish the presence of CaOx crystals from the different parts of sugar palm; b) determine the systematic distribution of the CaOx crystals in sugar palm; and c) determine the possible roles of these crystals based on their characterization and available literatures.

The process of extracting the CaOx crystals was conducted in the laboratories of SWL-CAFENR and at the College of Veterinary Medicine, CvSU, Indang, Cavite from November 2005 to January 2006. The method used by Bouropoulos et al. (2000) was adapted in order to extract the crystals. The researchers also devised their own extraction procedure.

The extracted crystals were evaluated in terms of their morphology, their systematic distribution and their possible roles in sugar palm. It was found out that these crystals are present in all of the sugar palm parts and the level of their abundance varies in different parts of the sugar palm. Furthermore, the role of these CaOx crystals was determined by their morphologies. In this study. It was found out that they serve as an effective defence mechanism against herbivory determined by their morphologies. In this study. It was found out that they serve as an effective defense mechanism against herbivory.





Sugar palm

643.9745 / Ac6 2006
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