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Frontiers of Agriculture in China

ISSN 1673-7334

ISSN 1673-744X(Online)

CN 11-5729/S

Front Agric Chin    2009, Vol. 3 Issue (3) : 291-293     DOI: 10.1007/s11703-009-0050-x
Effects of grading on the main quality attributes of peanut kernels
Jiancheng ZHANG, Chuantang WANG(), Yueyi TANG, Xiuzhen WANG
Shandong Peanut Research Institute, Qingdao 266100, China
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Near infrared reflectance spectroscopy (NIRS) analysis of peanut kernels of different grades by mainly using advanced breeding lines derived from intersectional crosses in 2 experiments gave similar results, showing remarkable inter-grade variation in oil content of a specific entry. The effects of genotype on qualitative attributes proved to be predominant. No significant differences in protein content, oleic acid/linoleic acid content in total fatty acids, and oleic acid/linoleic acid ratio were detected among the No. 1, No. 2 and No. 3 grade peanut kernels of a given peanut genotype.

Keywords peanut      kernel grade      quality     
Corresponding Authors: WANG Chuantang,   
Issue Date: 05 September 2009
URL:     OR
identity of entrypedigree
A1, A3, B68122×(Silihong×A. glabrataBenth.)F2
A2, A4Luhua 10×(Silihong×A. glabrataBenth.)F2
B1, B2, B3, B4Silihong×A. rigoniiKrapov. & W. C. Greg
B5Hua 37×(Silihong×A. glabrataBenth.)F2
B88130×(Silihong×A. glabrataBenth.)F2
Tab.1  Pedigree origin of peanut intersectional hybrid derivatives
identityprotein/(g·kg-1)oil/(g·kg-1)oleic acid (O)/(g·kg-1)linoleic acid (L)/(g·kg-1)O/L
Luhua 11278.7abc507.4d558.9a269.5b2.09a
Luhua 11273.0bc507.0cd542.5ab285.3cd1.93b
Tab.2  Main qualitative attributes of peanut intersectional hybrid derivatives
gradeaverage oil content in Experiment Iaverage oil content in Experiment II
No. 1535.2a528.7a
No. 2520.5b513.8b
No. 3500.1c493.8c
Tab.3  Variation in oil content of peanut kernels from different grades (g·kg dry basis)
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