Method for processing sweet potato leaf powder

A processing method and technology of sweet potato leaves, applied in the field of sweet potato leaf powder processing, to achieve the effects of increasing nutrition and color varieties, easy promotion, and improving health

Inactive Publication Date: 2016-11-09
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the vast rural areas, only sweet potato leaves are used as feed for pigs, which is a pity

Method used

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  • Method for processing sweet potato leaf powder
  • Method for processing sweet potato leaf powder
  • Method for processing sweet potato leaf powder

Examples

Experimental program
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Embodiment Construction

[0010] A processing method of sweet potato leaf powder includes the steps of washing, drying, crushing and sieving fresh leaves; wherein the drying is vacuum drying, the drying temperature is 50-70°C, the vacuum degree is 0.07-0.09MPa, and the drying time is 6 -11h, the loading capacity is 55-95%; preferably, the drying temperature is 60°C, the vacuum degree is 0.09MPa, the drying time is 8h, and the loading capacity is 75%.

[0011] In order to make the content of the present invention easier to understand, the technical solution of the present invention will be further described below in combination with specific methods.

[0012] 1. The effect of different drying methods on sweet potato leaves

[0013] The washed fresh sweet potato leaves were dried by hot air drying, microwave drying, vacuum drying and microwave vacuum drying, respectively. The drying results are shown in Table 1.

[0014] Table 1 Effects of different drying methods on sweet potato leaf color

[0015]

[0016] It c...

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Abstract

The invention discloses a method for processing sweet potato leaf powder. The method comprises the steps of fresh leaf washing, drying, grinding and screening, wherein the drying step means conducting drying in vacuum for 8 hours at a temperature of 60 DEG C and a vacuum degree of 0.09MPa with the loading amount of 75 percent. The method is simple in process, does not need color-protecting or blanching process, can be used for well maintaining the original color and nutrition of dried sweet potato leaves, and is safe, green and easy to popularize. Furthermore, the sweet potato leaf powder can be used as a nutrition enhancer so as to improve nutrition and assortments of foods and promote the health level of consumers.

Description

Technical field [0001] The invention belongs to the technical field of deep processing of agricultural products, and specifically relates to a processing method of sweet potato leaf powder. Background technique [0002] In recent years, with the gradual improvement of people's living standards, more and more people have an increasing demand for green food. Sweet potato leaves are known as the "Queen of Vegetables" because of their rich crude fiber, crude protein and mineral elements. It is a vegetable with high nutritional value and has a good development and utilization prospect. [0003] Sweet potato leaves ( Ipomoea batatas (L.) Lam, Sweet potato vine), also known as sweet potato leaves, sweet potato leaves, sweet potato leaves, ditch vegetables, etc., annual or perennial herb, slender stems, roots can be used as staple food, or mixed with other food Or made into various non-staple foods. According to research and analysis by nutritionists at home and abroad, sweet potato lea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/10
CPCA23V2002/00A23V2200/30A23V2300/10
Inventor 傅海庆林洁何梅兰
Owner FUJIAN AGRI & FORESTRY UNIV
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