Anthocyanin composition and nutritional properties of a blue-grained wheat-Triticum boeoticum substitution line

Liu, Xin and Zhang, Minghu and Wang, Dinghao and Peng, Ting and Liu, Xiaojuan and Hao, Ming and Huang, Lin and Ning, Shunzong and Yuan, Zhongwei and Jiang, Bo and Chen, Xuejiao and Chen, Xue and Liu, Dengcai and Zhang, Lianquan (2022) Anthocyanin composition and nutritional properties of a blue-grained wheat-Triticum boeoticum substitution line. CEREAL RESEARCH COMMUNICATIONS, 50 (3). pp. 501-507. ISSN 0133-3720 (print), 1788-9170 (online)

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Abstract

Diploid wild einkorn wheat, Triticum boeoticum Boiss (AbAb, 2n = 2x = 14), provides a resource of blue aleurone layers for wheat breeding. The anthocyanin composition and nutritional quality of the blue-grained wheat-Triticum boeoticum introgression line Z18-1244 were compared with those of its T. boeoticum parent G52 and bread wheat parent Crocus. The results showed that the content of all four anthocyanins averaged 67.24 μg/g in the whole meal of the blue-grained wheat Z18-1244, which was slightly lower than that in G52 (72.31 μg/g) but significantly higher than that in Crocus. The total essential amino acid content in Z18-1244 was 48.03% higher than that in Crocus. Compared with Crocus, the protein nutritional quality of Z18-1244 was improved, including an SRC increased by 5.31% and an EAAI increased by 22.70%. The contents of zinc (Zn) and iron (Fe) in the mineral elements were 74.5 mg/kg and 109.7 mg/kg with increases of 39.34% and 109.65%, respectively. The nutritional quality of Z18-1244 has been considerably improved in comparison with its common wheat parent Crocus. Therefore, Z18-1244 could be used as a potential germplasm for wheat breeding to improve the nutritional value of wheat-based end-products.

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