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Sweet potato dietary fiber with fat reducing and slimming functions and preparation method of sweet potato dietary fiber

A technology of dietary fiber and soluble dietary fiber, which is applied in medical preparations containing active ingredients, functions of food ingredients, food science, etc. Social and economic benefits, no chemical residues, and the effect of ensuring product safety

Inactive Publication Date: 2018-02-16
广州小象健康产业有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The latter three have high requirements on materials and equipment, high cost, fine and cumbersome operation, and are not easy to industrialize; chemical separation methods (acid hydrolysis, alkali hydrolysis) have low cost, but the chemical residue is more serious, and the color and shape of the product are poor

Method used

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  • Sweet potato dietary fiber with fat reducing and slimming functions and preparation method of sweet potato dietary fiber
  • Sweet potato dietary fiber with fat reducing and slimming functions and preparation method of sweet potato dietary fiber
  • Sweet potato dietary fiber with fat reducing and slimming functions and preparation method of sweet potato dietary fiber

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Experimental program
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Effect test

Embodiment 1

[0031] Embodiment 1 The preparation method of soluble and insoluble dietary fiber

[0032] A sweet potato dietary fiber with fat-reducing and slimming function, the preparation method of the sweet potato dietary fiber with fat-reducing and slimming function is as follows:

[0033] (1) Pretreatment of sweet potatoes

[0034] Wash the sweet potatoes, cut into pieces, dry overnight in a blast drying oven, crush them with a grinder, pass through a 40-mesh sieve, and store them for later use;

[0035] (2) Soak and wash sweet potato flour

[0036] Take an appropriate amount of sweet potato powder in a beaker, add a certain amount of single distilled water to soak for 1 hour, filter with a nylon mesh, and clean the filter residue 5 to 10 times (until the sweet potato powder does not appear milky white and turbid), to remove part of the starch and polysaccharides, collect the filter residue, and store at 50°C Dry overnight in a constant temperature drying oven and set aside;

[003...

Embodiment 2

[0040] Example 2 A kind of sweet potato dietary fiber with fat-reducing and slimming functions

[0041] (1) Selection of sweet potato varieties

[0042] Four types of sweet potatoes with purple heart, red heart, yellow heart and white heart were selected, and dietary fiber was prepared according to the above method, and the comprehensive evaluation was carried out with the dietary fiber yield and soluble dietary fiber content as the measurement indicators. The comprehensive evaluation was defined as:

[0043] Comprehensive evaluation value (%) = yield (%) × 50% + soluble dietary fiber content (%) × 50%

[0044]After analyzing the comprehensive evaluation value, the results are shown in Table 1.

[0045] Table 1 The preparation of different varieties of sweet potato dietary fiber

[0046]

[0047] The results showed that the comprehensive evaluation value of sweet potato with yellow heart was the highest, which was 52.61%, and it was determined that sweet potato with yello...

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Abstract

The invention relates to sweet potato dietary fiber with fat reducing and slimming functions. A preparation method of the sweet potato dietary fiber comprises the steps as follows: S1: sweet potatoesare cleaned up, diced, dried, crushed and sieved, sweet potato powder is obtained and stored for later use; S2: the sweet potato powder obtained in S1 is mixed with water and soaked, filtration is conducted, filter residues are cleaned until the sweet potato powder is not in a milk white turbidity state, and then, filter residues are collected and dried for later use; S3: the sweet potato powder obtained in S2 is mixed with water, heated for gelatinization and cooled to the room temperature, the pH of the system is adjusted to 5.0-5.5 with weak acid, and acid hydrolysis is conducted at 80-90 DEG C for 2-3 h after a beaker is sealed; the system is quickly cooled to the room temperature, the pH of the system is adjusted to 8.0-8.5 with weak base, and basic hydrolysis is conducted at 75-85 DEG C for 2-3 h; then centrifugation, filtration, drying, crushing and sieving are conducted, and insoluble dietary fiber is obtained; S4, filtrate obtained in S3 is subjected to ethanol precipitation and filtration, filter residues are dried, crushed and sieved, and soluble dietary fiber is obtained; and S5: the soluble dietary fiber obtained in S4 is mixed with the insoluble dietary fiber obtainedin S3 in the mass ratio being 10:1-1:10, and the sweet potato dietary fiber with fat reducing and slimming functions is obtained.

Description

technical field [0001] The invention relates to the technical field of functional food or health food, in particular to a sweet potato dietary fiber with fat-reducing and slimming functions and a preparation method thereof. Background technique [0002] With the changes in people's diet structure and lifestyle, the internal environment of many modern people is gradually out of balance, and metabolic disorders are increasing. Among them, obesity caused by lipid metabolism disorders and hyperlipidemia, hypertension, hyperlipidemia secondary to obesity The incidence of "rich diseases" such as blood sugar, diabetes, fatty liver, and gallstones is soaring year by year. Dietary fiber, as a functional food, has received widespread attention and rapid development all over the world. It is recognized as "functional food in the 21st century" and "the seventh type of nutrient". It has many physiological effects such as lowering blood pressure, preventing and treating cardiovascular an...

Claims

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Application Information

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IPC IPC(8): A23L33/21A61K36/39A61P3/04A61P3/06
CPCA23L33/21A23V2002/00A61K36/39A23V2200/06A23V2200/30A23V2200/332A23V2200/318A23V2200/32A23V2200/3262A23V2200/328A23V2250/082
Inventor 周录泳刘洋陈韵芯
Owner 广州小象健康产业有限公司
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