Objective
Amylose content is considered the single most important characteristic for predicting rice cooking and processing quality. Accurate amylose determinations are therefore a key factor in the selection of new rice varieties in breeding programmes which will be required to bring the EU to self-sufficiency in long-grain rice. A study was undertaken to improve the accuracy of amylose determination in rice by producing small quantities of amylose and amylopectin calibrants and using them to standardise the amylose contents of three rice samples according to ISO Standard 6647. Amylose was selected from three different commercial preparations on the basis of iodine binding capacity and amylopectin was prepared in the laboratory from waxy rice. Three rice batches of low, medium and high amylose contents were selected, prepared and packaged. The amylose content of 25 sachets out of each of the three rice batches were within the range defined by the repeatability and reproducibility defined in ISO 6647. No significant change to the amylose contents of the three batches was observed after storage at 21 days at 30 C or for 9 months at 4 C. Two preliminary intercomparisons of ISO method 6647 were carried out. The best results were obtained within nine laboratories in seven EU countries by prior defatting and solubilisation of starch by heating in sodium hydroxide to boiling point for 10 min. This method is now being used for certification of the amylose content according to ISO 6647 in the three rice batches.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences chemical sciences inorganic chemistry alkali metals
- natural sciences chemical sciences inorganic chemistry halogens
- agricultural sciences agriculture, forestry, and fisheries agriculture grains and oilseeds cereals
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
GL556LD CHIPPING CAMPDEN,GLOUSTE
United Kingdom
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