1. Grain high amylose obtained from durum wheat plants comprising one or more mutations B1 protein gene durum wheat starch granules (SGP-B1) and one or more protein gene mutations A1 durum wheat starch granules (SGP-A1) .2 . Grain high amylose according to Claim. 1, wherein the relative proportion of amylose in the starch of the grain, as measured with a differential scanning calorimetric analysis, is at least 40% .3. Grain high amylose according to Claim. 1, wherein the relative proportion of amylose in the starch of the grain, as measured with a differential scanning calorimetric analysis, is at least 50% .4. Grain high amylose according to any one of claims. 1-3, wherein the mutation includes a deletion in the first exon of the gene SGP-A1.5. Grain high amylose according to claim. 4, wherein the deletion spans nucleotide positions 145-174 of the gene SGP-A1.6. Grain high amylose according to any one of claims. 1-3, where mutations include nucleotide substitution at nucleotide position 979 and / or position 1864 of the gene SGP-B1.7. Grain high amylose of claim. 6, wherein the mutation results in an amino acid substitution of aspartic acid for asparagine at amino acid position 327 SGP-B1 and / or amino acid substitution of aspartic acid for asparagine at amino acid position 622 SGP-B1.8. Grain high amylose according to any one of claims. 1-3, where the grain of high amylose flour is characterized by a swellability (FSP), is less than approximately 7,5.9. Grain high amylose according to Claim. 1, wherein the proportion of amylose in the starch of said grain with a high amylose content increased in comparison with starch grain durum wheat
