Interrelationships among some quality characteristics in dent corn ( Zea mays L.)

• Published in: Cereal research communications Vol. 38; no. 2; pp. 233 - 242
• Main Authors: Bilgin, O, H. H. Orak, K. Z. Korkut, Ä°. Başer, A. Orak, A. Balkan
• Format: Journal Article
• Language: English
• Published: Cham Akadémiai Kiadà 01.06.2010; AKADÉMIAI KIADÓ; Springer International Publishing
• Subjects: Agriculture; Corn; Corn oil; correlation; Correlations; dent corn; Essential fatty acids; Fatty acids; grain protein; Grains; hexanoic acid; hybrids; Iodine; iodine number; iodine value; iron; Life Sciences; Light refraction; linolenic acid; lipid content; oil; oils; oleic acid; Plant Breeding/Biotechnology; Plant Genetics and Genomics; Plant Physiology; potassium; protein; protein content; Quality and Utilization; refractive index; sodium; starch; Starches; Unsaturated fatty acids; Zea mays; oil; correlation; fatty acids; corn; protein; refractive index; iodine number
• ISSN: 0133-3720; 1788-9170
• DOI: 10.1556/CRC.38.2010.2.9

The interrelationships among the grain protein, oil, fatty acids, starch, Na, K, Fe concentrations and chemical grain characteristics were determined by correlation analyses in thirty-five commercial dent corn hybrids. An increase in oil content of the corn is accompanied by a decrease in starch content and by an increase in caproic acid content. The correlation coefficients involving protein content of corn hybrids with oil content (r = 0.066) and with saturated fatty acid (SFA) (r = −0.247*) evidence that protein content is more related to fatty acid distribution than the oil quantity. Linear relationships between refractive index (RI) (nD40 °C) and saturated fatty acid (r = 0.369**) and between refractive index and oleic acid (r = 0.364**), and between iodine number (IN) and unsaturated fatty acid (UFA) were determined. In addition, oleic acid is strongly correlated with linoleic (r = −0.769**) and linolenic acids (r = −0.335**).