International Journal of Agricultural Engineering

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Study on Standardization of Starch Extraction Time from Rhizomes of Tikhur (Curcuma angustifolia Roxb.)


Affiliations
1 AICRP on Tuber Crops, Shaheed Gundadhoor College of Agriculture and Research Station, Jagdalpur, Bastar (C.G.), India
2 PI-AICRP on Processing, Indira Gandhi Krishi Vishwavidyalaya, Raipur(C.G.), India
3 Krishi Vigyan Kendra (I.G.K.V.), Narayanpur (C.G.), India
4 Shaheed Gundadhoor College of Agriculture and Research Station, Kumhrawand Jagdalpur, Bastar (C.G.), India
     

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The investigation was conducted at Shaheed Gundadhoor College of Agriculture and Research Station (IGKV), Kumhrawand, Jagdalpur, Bastar, Chhattisgarh. The experiment was undertaken during 1st December to 30th December 2010 and 1st December to 30th December 2011. The experiment was laid out in Completely Randomized Design (CRD) in which 7 treatments were tested in three replications. High rhizome and starch yielded genotype IGSJT-10-2 of tikhur was selected as an experimental material. The results clearly indicated that the maximum starch yield 167.29 g/kg of rhizome was recovered in treatment T2 (starch extraction on 5 days after harvest) and lowest starch yield 127.06 g/kg of rhizome was recorded in treatment T7 (Starch extraction on 30 days after harvest of rhizomes). The highest starch recovery per cent was recorded in treatment T2 and lowest starch recovery per cent was recorded in treatment T7. Starch colour observed white in all treatments. In the year 2011-12, highest starch yield 167.73 g/kg of rhizome was recorded in treatment T2 and lowest starch yield 123.27 g/kg or rhizome was recorded in treatment T7. The highest average starch recovery per cent (16.75) of rhizome was also recorded in treatment T2 and lowest starch recovery per cent (12.52) rhizome was recorded in treatment T7. The low starch yield and starch recovery per cent was recorded when starch extracted one day after harvesting of rhizomes, it may be due to high moisture content of rhizomes and field heat. Gradual reduction of starch yield and starch recovery per cent starch extraction after 5 days may be due to conversion of starch in to sugar due to increasing of temperature.

Keywords

Tikhur, Curcuma Angustifolia Roxb., Starch Extraction, Starch Recovery, Tikhur Processing.
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  • Study on Standardization of Starch Extraction Time from Rhizomes of Tikhur (Curcuma angustifolia Roxb.)

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Authors

Deo Shankar
AICRP on Tuber Crops, Shaheed Gundadhoor College of Agriculture and Research Station, Jagdalpur, Bastar (C.G.), India
S. Patel
PI-AICRP on Processing, Indira Gandhi Krishi Vishwavidyalaya, Raipur(C.G.), India
M. K. Sahu
Krishi Vigyan Kendra (I.G.K.V.), Narayanpur (C.G.), India
S. C. Mukherjee
Shaheed Gundadhoor College of Agriculture and Research Station, Kumhrawand Jagdalpur, Bastar (C.G.), India

Abstract


The investigation was conducted at Shaheed Gundadhoor College of Agriculture and Research Station (IGKV), Kumhrawand, Jagdalpur, Bastar, Chhattisgarh. The experiment was undertaken during 1st December to 30th December 2010 and 1st December to 30th December 2011. The experiment was laid out in Completely Randomized Design (CRD) in which 7 treatments were tested in three replications. High rhizome and starch yielded genotype IGSJT-10-2 of tikhur was selected as an experimental material. The results clearly indicated that the maximum starch yield 167.29 g/kg of rhizome was recovered in treatment T2 (starch extraction on 5 days after harvest) and lowest starch yield 127.06 g/kg of rhizome was recorded in treatment T7 (Starch extraction on 30 days after harvest of rhizomes). The highest starch recovery per cent was recorded in treatment T2 and lowest starch recovery per cent was recorded in treatment T7. Starch colour observed white in all treatments. In the year 2011-12, highest starch yield 167.73 g/kg of rhizome was recorded in treatment T2 and lowest starch yield 123.27 g/kg or rhizome was recorded in treatment T7. The highest average starch recovery per cent (16.75) of rhizome was also recorded in treatment T2 and lowest starch recovery per cent (12.52) rhizome was recorded in treatment T7. The low starch yield and starch recovery per cent was recorded when starch extracted one day after harvesting of rhizomes, it may be due to high moisture content of rhizomes and field heat. Gradual reduction of starch yield and starch recovery per cent starch extraction after 5 days may be due to conversion of starch in to sugar due to increasing of temperature.

Keywords


Tikhur, Curcuma Angustifolia Roxb., Starch Extraction, Starch Recovery, Tikhur Processing.

References