Pemutihan dan Pengikatan Silang Pati Sagu dan Penggunaannya Untuk Bahan Substitusi Pada Pembuatan Bihun

https://doi.org/10.22146/agritech.19354

Chatarina Lilis Suryani(1*), Haryadi Haryadi(2)

(1) Fakultas Teknologi Pertanian, Universitas Wangsa Manggala
(2) Fakultas Teknologi Pertanian, Universitas Gadjah Mada
(*) Corresponding Author

Abstract


Bleaching sago starch was conducted by using Ca002 and NaOCI ranging from 0.00-1.00% with continuous mixing. The use of CaOCl2 at 0.75% gave whitest starch, therefore bleaching using this method was adopted to produce starch for further treatment.The bleached starch was subjected to cross-linking using POCE3 ranging from 0.000-0.025%. Degree .of substitution of the modified starch were 0.0000-0.0018. Higher POCl3 addition resulted higher degree of substitution, with consequences of higher temperature of gelatinization, higher stability of the pastes and higher viscosity of the gels. The cross-linked starch could be used to substitute rice in rice noodle making at 20-60%. Higher degree of substitution and higher proportion of modified starch used gave higher breaking strength and stronger texture of the resulted noodle compared to that made from 100% of 1R-36 rice.

Keywords


pati sagu; pemutihan; ikatan silang; amilografi; bihun

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DOI: https://doi.org/10.22146/agritech.19354

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Agritech (print ISSN 0216-0455; online ISSN 2527-3825) is published by Faculty of Agricultural Technology, Universitas Gadjah Mada in colaboration with Indonesian Association of Food Technologies.


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