Quantification of Dhurrin in Different Types of Sorghum Forages by Near-Infrared Reflectance Spectroscopy

Vinutha, K S and Rao, P S and Prasad, K V S V and Reddy, Y R and Prakasham, R S and Sheelu, G and Nikhila, B and Blummel, M (2015) Quantification of Dhurrin in Different Types of Sorghum Forages by Near-Infrared Reflectance Spectroscopy. In: Eco-responsive Feeding and Nutrition: Linking Livestock and Livelihoods: Abstract Papers. College of Veterinary Science (Guwahati), Guwahati, p. 148. ISBN 9788190862172

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Abstract

Hydrogen cyanide (HCN) is a toxic chemical that can potentially cause mild to severe reactions in animals upon feeding forage sorghum. Developing technologies to monitor the level of HCN in the growing crop could prevent livestock poisoning. In this study ncar-infrared spectroscopy (NIRS) calibration to estimate HCN in forage sorghum is developed. The full spectral NIRS range (1100-2498 nm) was used as well as specific spectral ranges within the full spectral range, i.e. , visible (400-750 nm), short wave (800-1100 nm) and near - infrared (NIR) (1100-2498 nm). Using the full spectrum approach and the modified partial least-squares (MPLS), the calibration produced a coefficient of determination (R2) = 0.869 and standard error of cross-validation (SFCV) = 97.53%, while the validation set had a R2=0.624 with a low standard error of prediction (SEP= 205.801 %).

Item Type: Book Section
Divisions: RP-Dryland Cereals
CRPS: CGIAR Research Program on Dryland Cereals
Uncontrolled Keywords: Dhurrin, Forage sorghum, HCN, NIRS, UPLC
Subjects: Mandate crops > Sorghum
Depositing User: Mr Ramesh K
Date Deposited: 07 Jan 2016 06:58
Last Modified: 07 Jan 2016 09:39
URI: http://oar.icrisat.org/id/eprint/9243
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