Rice for diabetic patients and cultivation method thereof

A technology for diabetics and cultivation methods, applied in the directions of botanical equipment and methods, application, food preparation, etc., can solve the problems such as no research reports on the development and variety improvement of staple food RS products, achieve diet control, huge testing costs, Significant effect on glycemic index

Inactive Publication Date: 2008-05-21
ZHEJIANG UNIV
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Problems solved by technology

[0005] At present, the research on rice high resistant starch products focuses on processing methods, and the developed resistant starch products are generally on

Method used

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  • Rice for diabetic patients and cultivation method thereof

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[0019] Example 1: Resistant starch suitable for diabetics to eat rice and its characteristics

[0020] The starch composition and characteristics of representative ordinary rice in different ecological regions in my country are shown in Table 1. The resistant starch content of ordinary rice hot rice is very low, while the resistant starch content of commercially available high-quality rice is even lower, generally less than 0.5%, or even 0.1% (Table 1). The content of hot water-soluble starch of ordinary rice is very low, generally less than 10%. When cooking, the ordinary rice is still liquid when it is hot rice soup or rice soup cooled to room temperature. The resistant starch content of the rice RS4 suitable for diabetic patients described in the present invention is as high as 8.9%, and the content of hot water-soluble starch is 15.1%. The steamed rice soup is cooled to room temperature and quickly condenses into a gel-like solid state, and the morphological change is irrevers...

Example Embodiment

[0024] Example 2: Breeding resistant starch from mutagenized mutant plants with a starch content of more than 5%, suitable for diabetics to eat rice and its effects

[0025] Using my country's main rice restorer line variety Zhe 7954 as the material, 15,000 mutant plants of the second generation of mutagenesis were constructed in 2003 through space mutation and physical and chemical mutagenesis. While keeping part of the seeds, use the STATAKE brown rice machine and rice polishing machine to shell and process into polished rice, steam the mature rice with a rice cooker at a water-to-rice ratio of 1:1.5, take a sample of hot rice with a temperature of 50 degrees, and adopt a method that simulates the digestion in the human body. American AOAC method resistant starch content (first pepsin digestion, then α-amylase digestion for 16 hours, then potassium hydroxide is used to dissolve the resistant starch, and then digested with amyl glucoside, and finally the glucose content is measur...

Example Embodiment

[0026] Example 3: Digestive properties of rice suitable for diabetics

[0027] Using rice RS4 suitable for diabetics as the material, the digestion characteristics were compared with the commonly used special food corn and millet purchased from diabetes specialty stores under in vitro conditions. The results are shown in Figure 1. It can be seen from the figure that the rice suitable for diabetics of the present invention has a significantly low digestion rate and speed, exhibits good digestion tolerance, and is very suitable for diabetics.

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Abstract

The invention relates to rice suitable for diabetics and a cultivation method thereof. The rice contains resistant amylum of above 5 percent and the rest is digestible amylum. The cultivation method comprises the steps that: the rice seed is collected and a proper amount of the seed is kept for use and the rest of the rice seed is deshelled into the milled rice or processed into rice flour; then the processed rice or the rice flour is boiled for measuring the resistant amylum content in the boiled rice or the pasted rice flour; if the primarily selected sample is measured to have above 5 percent of resistant amylum content, the rice from which the sample is selected is planted; the rice is screened for evaluation and verification of the stability of resistant amylum content; the rice with stable resistant amylum content is used for reproduction to obtain rice with stable resistant amylum content of above 5 percent. The rice of the invention, which is suitable for diabetics, is resistant to digestion, can provide satiation feel and control the diet of the patient and glycaemic index, which has great significance for the diet treatment for diabetics.

Description

technical field [0001] The invention relates to a rice suitable for diabetics and a cultivation method thereof. Background technique [0002] There are about 50 million people with diabetes in my country, accounting for 3.5% of the total population in my country. The number of diabetic patients is increasing at a rate of at least 3,000 per day, at least 1.2 million per year, and the age of onset tends to be younger. According to expert estimates, the average incidence of diabetes in my country will reach about 11% in 2010. At present, the treatment of diabetes mainly relies on drugs and diet control. Drugs generally have side effects and cannot be cured; diet control is a new physical and psychological burden for patients. The market urgently needs the appearance of functional foods that can balance and stabilize blood sugar, have obvious auxiliary effects on diabetes treatment, and have good prevention. [0003] Carbohydrates are an essential source of energy for the hu...

Claims

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Application Information

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IPC IPC(8): A23L1/10A01H1/04A23L7/10
Inventor 吴殿星舒小丽
Owner ZHEJIANG UNIV
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