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Study of machines performance in producing different sizes of grated sago


Wan Azman, Wan Mohd Fariz and Shamsudin, Rosnah and Hamzah, Azman and Azizan, Mohd Shahrir and Azizan, Saiful Azwan and Shahar, Asnawi and Rahim, Afiqah Aina and Mhd Adnan, Amir Syariffuddeen and Hasbullah, Hasmin Hakim and Hashim, Ishak and Sairi, Masniza and Abdul Wahid, Ruwaida and Mohd Ramli, Sharifah Hafiza and Sahari, Yahya and Mohd Shafie, Zainun and Shamsulkamal, Amir Redzuan and Abdul Karim, Faewati and Johari, Mohammad Shukri and Sani, Mohd Azmirredzuan and Mohd Amin Tawakkal, Mohd Hafiz and Zainol Abidin, Mohd Zaimi and Jamaluddin, Muhammad Aliq and Alwi, Sha'fie (2018) Study of machines performance in producing different sizes of grated sago. In: National Conference on Agricultural and Food Mechanization 2018 (NCAFM 2018), 17-19 Apr. 2018, Pullman Kuching, Sarawak. (pp. 211-213).


Sago starch is a product from sago palm. In order to extract the sago starch, certain process is needed to break the bonding of the pith either mechanically or manually by grating the pith into small sizes. Water is widely used as a solvent medium in the extraction process of sago starch. The more refined that grated sago, the more sago starch can be dissolved from the grated sago. Different machines were used to produce grated sago for machine capability test. The machines are handheld chainsaw, coconut husk decorticator, commercial coconut grater and in-house roller grating prototype. Sago palm trunk was cut into three parts with length of 50 cm long each. The outer layer of each sago palm trunks was peeled off and split into 8 pieces. All sago trunks were grated using four different machines as stated above. Each 100 gram of the grated sago trunk produced by each machine were sifted according to the grading size of 2.80 mm, 2.00 mm, 1.00 mm, 0.85 mm and 0.425 mm. The weights of sago starch from the sieving process were recorded according to their respected grading size. Based on results of the sieve experiments, the most finest grated sago trunk was produced from the handheld chainsaw with a weight percentage ratio of 13.028% (X < 0.3 mm), 10.682% (0.3 ≤ X < 0.425 mm), 28.361% (0.425 ≤ X <0.85 mm), 28.821% (0.85 ≤ X <1.0 mm), 4.728% (1.0 ≤ X <2.0 mm), 7.877% (2.0 ≤ X <2.8 mm), and 4.868% (X ≥2.8 mm) where X value refer to sieve mesh size.

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Additional Metadata

Item Type: Conference or Workshop Item (Poster)
Divisions: Faculty of Engineering
Publisher: Penerbit MARDI
Keywords: Sago trunk; Grating; Grated size; Sago processing
Depositing User: Nabilah Mustapa
Date Deposited: 06 Mar 2019 05:29
Last Modified: 06 Mar 2019 05:29
URI: http://psasir.upm.edu.my/id/eprint/66912
Statistic Details: View Download Statistic

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