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KMID : 1007519980070040305
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Food Science and Biotechnology
1998 Volume.7 No. 4 p.305 ~ p.307
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Acid-hydrolysis Pattern of Arrowroot Starch
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Park, Jong-Hoon
Na, Hwan-Sik/Kang, Kil-Jin/Lho, Il-Hwan/Kim, Kwan/Kim, Sung-Kon
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Abstract
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The acid-hydrolysis pattern of arrowroot starch was investigated with a gel chromatography technique using Sephadex G-50 and Sepharose CL-2B. When the starch was hydrolyzed with 202 n HCl at 35℃ for 24 hr, the molecular weight of the starch was decreased as hydrolysis time increased and the amylopectin fraction obtained by using Sepharose CL-2B disappeared after 12 hr of hydrolysis limit (%) of acid-treated starches slightly increased during the acid treatment period. There results showed that the amylose and amylopectin of the starch were hydrolyzed partly by acid.
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