Effect of pretreatment of fresh Amorphophallus paeoniifolius on physicochemical properties of starch

被引：0

作者：

Rani, VS

John, JK

Moorthy, SN

Raja, KCM ^{[1
]}

机构：

[1] RRL, EII, Trivandrum 695019, Kerala, India

[2] Reg Res Lab, BCP & WWT Div, Trivandrum 695019, Kerala, India

[3] CTCRI, Trivandrum 695014, Kerala, India

[4] Cent Tuber Crops Res Inst, Div Technol, Trivandrum 695017, Kerala, India

来源：

STARCH-STARKE | 1998年 / 50卷 / 2-3期

关键词：

D O I：

10.1002/(SICI)1521-379X(199803)50:2/3<72::AID-STAR72>3.0.CO;2-I

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Fresh roots of Amorphophallus paeoniifolius were separately pretreated with sodium hexametaphosphate (SHMP), potassium metabisulphite (KMS), sodium chloride (NaCl), and ammonium hydroxide (NH4OH) within a range of 1-5% (w/v) concentration and glyceryl monostearate (GMS) at 0.025-0.125% concentration. The quality of starch extracted from pretreated roots was compared with that obtained from fresh roots by direct aqueous extraction. The starch samples prepared from chemically pretreated roots showed characteristic changes in properties of water soluble amylose content. swelling and solubility and alpha-amylase susceptibility. X-ray diffraction of starch samples from chemically pretreated roots although resembled that of control, there was noticeable shift with respect to their 'd' spacing and I-o/I-max values.

引用

页码：72 / 77

页数：6

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