Studies on Swelling and Solubility of Modifi ed Starch from Taro ( Colocasia esculenta ) : Eff ect of pH and Temperature
نویسندگان
چکیده
Several physical and chemical treatments were employed to modify Taro (Colocasia esculenta) starch. Th e eff ects of pH and heating temperature on their swelling powers and solubilities were studied. At 95 oC, heat-moisture treated, oxidized and acetylated starches were more soluble, while cross-linked starch was less soluble as compared to raw starch. Heat-moisture treated and chemically modifi ed starches had lower swelling power (at 95 oC) than that of isolated starch. Swelling power and solubility were found to be a function of pH and it was observed that all these modifi ed starches had greater swelling capacity and solubility at pH 2.0 and 10.0.
منابع مشابه
Comparative study of native and modified starches isolated from conventional and nonconventional sources
Starch is a carbohydrate composed of chain of glucose molecule. Potato, corn, rice are the major sources for starch but they are also used as a food. Our aim was to extract starch from some nonconventional source like taro plant (Colocasia esculenta) and did some physical and chemical modification to enhance the properties of starch. Physical modification method of starch like Osmotic Pressure ...
متن کاملEffect of corm size and plant population density on corm yield of Taro (Colocasia Esculenta L.)
Taro (ColocasiaesculentaL. Schott) is a perennial root crop that belongs to Araceace family. It is widely cultivated as a staple food in Africa, Asia and pacific Islands. Despite its importance, there is limited information on many aspects of the crop. In order to obtain data that can support improved and sustainable taro production, a field trial was conducted to study the effects of ...
متن کاملEffect of Corm Size and Plant Population Density on Corm Yield of Taro (Colocasia Esculenta L.)
Objective: Taro (Colocasia esculenta L. Schott) is a perennial root crop that belongs to Araceace family. It is widely cultivated as a staple food in Africa, Asia and pacific Islands. Despite its importance, there is limited information on many aspects of the crop. In order to obtain data that can support improved and sustainable taro production, a field trial was conducted to study t...
متن کاملCloning, expression, and characterization of soluble starch synthase I cDNA from taro (Colocasia esculenta Var. esculenta).
Soluble starch synthase I (SSSI) cDNA was isolated from taro (Colocasia esculenta var. esculenta) by RT-PCR and rapid amplification of cDNA ends reaction. The transcript of this single-copy gene is 2340 bp and encodes 642 amino acids protein containing a putative transit peptide of 54 residues. Recombinant SSSI protein displayed both primer-dependent and primer-independent activities of starch ...
متن کاملEffect of Corm Size and Plant Population Density on Corm Yield of Taro (Colocasia Esculenta L.)
Objective: Taro (Colocasia esculenta L. Schott) is a perennial root crop that belongs to Araceace family. It is widely cultivated as a staple food in Africa, Asia and pacific Islands. Despite its importance, there is limited information on many aspects of the crop. In order to obtain data that can support improved and sustainable taro production, a field trial was conducted to study t...
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