SOLUBLE CARBOHYDRATES IN IMMATURE WHEAT GRAIN.

The content of carbohydrates soluble in water at 80⁰C was examined in wheat grain at the stages of incomplete maturity (33 and 40 days from blooming). High content of the carbohydrates was found, which rapidly decreased during grain development. The high-performance liquid chromatography of hot-water extracts showed several percentages of fructose and glucose and many times greater percentages of the oligosaccharides with the retention time above 10 min. After acid hydrolysis, the proportion of fructose in the grain hydrolysates increased to 14 or 39 g/100 g grain and the proportion of the component X₁ with the retention time about 10 min decreased twice. The increase in the fructose content indicated the presence of fructans which are not fully hydrolysed by acid in the following conditions: HCl concentration 1.65%, temperature of boiling water bath, time 1h.

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eISSN:	2083-6007
ISSN:	1230-0322

W latach 2022-2024 kwartalnik naukowy Polish Journal of Food and Nutrition Sciences realizuje projekt nr RCN/SP/0520/2021/1 finansowany ze środków budżetu państwa – Ministerstwo Edukacji i Nauki w ramach programu „Rozwój czasopism naukowych”. Dofinansowanie wynosi 120 000 zł. W ramach projektu podejmowane są działania zmierzające do podniesienia poziomu praktyk wydawniczych i edytorskich, zwiększenia wpływu czasopism na rozwój nauki oraz utrzymania się czasopism w międzynarodowym obiegu naukowym.

In the years 2022-2024, the scientific quarterly Polish Journal of Food and Nutrition Sciences accomplishes a project no. RCN/SP/0520/2021/1 financed from the state budged – Ministry of Education and Science Republic of Poland in the framework of a program “Development of scientific journals”. The financing amounts to 120,000 PLN. The program aims at improving the level of publishing and editing practices, increasing the impact of scientific journals on science development, and extending the international range of scientific journals.