DESIGN AND DEVELOPMENT OF HYDRAULIC ARROWROOT PRESSERPages 172-183
Romar C. Ignacio,
Abstract
This study focused on the design and development of a hydraulic arrowroot presser intended to improve starch extraction from arrowroot (Maranta arundinacea) rhizomes. Arrowroot starch is a primary ingredient in the production of Minasa, a traditional biscuit in Bustos, Bulacan. The absence of an efficient pressing machine for starch extraction prompted the development of a hydraulic device suitable for small-scale food processing. The machine consists of a fabricated channel-bar frame, a stainless-steel pressing chamber, a bottle jack that provides the required compression force, high-tensile springs for pressure release, a steel base plate, and welded square tubes and bars for structural stability. The device was designed to effectively extract starch from grated arrowroot rhizomes while maintaining durability and ease of operation. Product evaluation was conducted by thirty experts using an adapted ISO 9126 evaluation instrument and analyzed through descriptive statistics. Results showed that the developed hydraulic arrowroot presser received a very good overall rating (M = 4.48, SD = 0.64), indicating its acceptability in terms of functionality, reliability, and usability. The final design provides a practical and efficient solution for arrowroot starch production and supports local food-processing activities.
Keywords:
Arrowroot,
Arrowroot Starch,
Extraction,
Fabrication,
Food Production,
Hydraulic Presser,
Minasa,
Rhizomes.
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Butch Stephen C. Duay 
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