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Effects of pre-harvest soil management practices and post-harvest processing on phytochemical qualities of turmeric (Curcuma longa)

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Title Effects of pre-harvest soil management practices and post-harvest processing on phytochemical qualities of turmeric (Curcuma longa)
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Creator B U CHOUDHURY, A NATH, S HAZARIKA, M A ANSARI, J BURAGOHAIN and D MISHRA
 
Subject Antioxidant activity, β-carotene, Curcumin, Phytochemicals, Soil management, Turmeric
 
Description Not Available
Phytochemicals from turmeric (Curcuma longa L.) have a plethora of beneficial, including medicinal uses. To
increase their dietary intake, besides minimizing processing losses, exploring pre-harvest soil managements to
increase their content naturally may be a suitable option. We made an attempt to assess the effect of pre-harvest soil management by either organic manuring or inorganic fertilization with or without agricultural liming and postharvest processing through curing followed by drying at 60 ± 2° C on phytochemical properties of turmeric cultivar Meghaturmeric 1 grown in the acid soils of sub-tropical climate of northeast India. Pre-harvest management of soils significantly (P ≤0.001) influenced the phytochemical concentration of turmeric rhizomes. Curcumin concentration in fresh mother rhizome was 15-38% higher than the fresh finger rhizomes. Similarly, fresh mother rhizomes had 21-22% more β-carotene and 7-9% more anti-oxidants than the fingers. Post-harvest processing of fresh rhizomes (mother and fingers) to yield dry powder resulted in significant reduction of curcumin (by 2.0-8.0%), β carotene (by 8-28%) and anti-oxidant (by 43-64%) concentrations. Pre-harvest soil managements by poultry manuring with liming considerably increased the phytochemical concentrations in the turmeric rhizomes
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Date 2019-12-04T05:54:00Z
2019-12-04T05:54:00Z
2017-08-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/26881
 
Language English
 
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Publisher Not Available