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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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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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 only used as food supplements for special populations. There are no research reports on the development and variety improvement of RS products for daily staple food

Method used

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  • Rice for diabetic patients and cultivation method thereof

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Effect test

Embodiment 1

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

[0020] The starch components and characteristics of representative common rice in different ecological regions of my country are shown in Table 1. The resistant starch content in ordinary rice hot rice is very low, and 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 hot water soluble starch content of ordinary rice is very low, generally below 10%. When cooking, whether it is hot rice soup or rice soup cooled to room temperature, the ordinary rice is still liquid. The resistant starch content of rice RS4 suitable for diabetics described in the present invention is as high as 8.9%, and the content of hot water soluble starch is 15.1%. The boiled rice soup is cooled to room temperature and quickly condenses into a gelatinous solid, and the morphological transformation is irreversible, and it...

Embodiment 2

[0024] Example 2: Cultivating rice with a resistant starch content of more than 5% from mutagenic mutant plants suitable for diabetics and its effect

[0025] Taking my country's main rice restorer variety Zhe 7954 as material, 15,000 second-generation mutant plants were constructed in 2003 through space-flight mutagenesis and physical and chemical mutagenesis. While retaining part of the seeds, use STATAKE brown rice machine and rice polishing machine to dehull and process into polished rice. Cook the mature rice in a rice cooker at a water-to-rice ratio of 1:1.5. Sample the hot rice kept at 50 degrees to simulate the digestion in the human body. American AOAC method for resistant starch content (digest with pepsin first, then α-amylase for 16 hours, then dissolve resistant starch with potassium hydroxide, then digest with amyloglucose, and finally use a glucose kit to measure the generated glucose content, The resistant starch content was calculated according to the conversi...

Embodiment 3

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

[0027] The rice RS4 suitable for diabetics was used as a material to compare the digestive characteristics of corn and millet, which are commonly used special foods purchased from diabetes 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 significantly low digestion rate and speed, exhibits good digestion resistance, and is very suitable for diabetics to eat.

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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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