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Cultivation method of sweet potato used for processing mashed potato and processing method of sweet potato

A cultivation method and sweet potato technology, applied in the directions of botanical equipment and methods, application, horticulture, etc., can solve the problems of mashed potato nutrient loss, high fiber content, uneven color, etc., and achieve improved quality, uniform color, and good air permeability. Effect

Inactive Publication Date: 2015-03-25
CROP RES INST SHANDONG ACAD OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the cultivation and processing methods of Jishu 21 are improper, the mashed potato processed by the traditional method not only has defects such as poor waxiness, poor taste, high fiber content, and uneven color, but also has relatively high nutritional loss in mashed potato. many

Method used

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  • Cultivation method of sweet potato used for processing mashed potato and processing method of sweet potato

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050]A kind of cultivation method of Jishu 21 sweet potato suitable for processing sweet potato mash, the steps are as follows:

[0051] (1) Select healthy and disease-free Jishu 21 summer potato pieces for thin row seedling cultivation, and the amount of potato used is 10kg / m 2， ; Seedbed breeding and cultivation for 32 days to obtain Jishu 21 sweet potato seedlings;

[0052] (2) Select the hilly sandy soil that has not been planted with sweet potatoes for more than 3 consecutive years, apply farmyard manure 2300 kg / mu on the planting plot, and form ridges; kg / mu;

[0053] (3) On April 23 of the Gregorian calendar, the Jishu 21 sweet potato seedlings cultivated in step (1) were planted with black film at a rate of 2600 plants / mu, and the film was ruptured one month after planting. After 40-45 days after planting, watering About 360 cubic meters of water;

[0054] (4) If the stems and leaves grow excessively in the mid-growth stage of sweet potatoes, lift the vines in time...

Embodiment 2

[0058] A kind of cultivation method of Jishu 21 sweet potato suitable for processing sweet potato mash, the steps are as follows:

[0059] (1) Select healthy and disease-free Jishu 21 summer potato pieces for thin row seedling cultivation, and the amount of potato used is 15kg / m 2， ; Seedbed seedlings were cultivated for 28 days to obtain Jishu 21 sweet potato seedlings;

[0060] (2) Select the hilly sandy soil that has not been planted with sweet potatoes for more than 3 consecutive years, and apply 2500 kg / mu of farmyard manure on the planting plot to form a ridge; 30 kg / mu;

[0061] (3) On April 28 of the Gregorian calendar, the Jishu 21 sweet potato seedlings cultivated in step (1) were planted with black film at a rate of 2700 plants / mu, and the film was ruptured one month after planting, and 40-45 days after planting, each mu Water about 380 cubic meters;

[0062] (4) If stems and leaves grow excessively in the mid-growth stage of sweet potato, lift the vines in time ...

Embodiment 3

[0071] Adopt the cultivation method of embodiment 1 to plant the Jishu 21 sweet potato that obtains, for processing sweet potato puree, processing method step is as follows:

[0072] (1) Select potato pieces with straight shape, smooth skin, no ditches, no cracks and no disease spots, and the weight of each potato piece is >0.25kg, and clean them; use a peeler to remove the skin of the potato pieces, and then manually Remove the skin that has not been removed by the peeler;

[0073] (2) Remove 2cm from the head and tail of the sweet potato obtained in step 1, and slice the remaining sweet potato. The thickness of the sweet potato slice is 7-8mm. Cook at 96-100°C for 25-30 minutes;

[0074] (3) Transfer the steamed potato chips into a puree machine to make a uniform potato sauce.

[0075] After inspection, the sweet potato sauce that meets the requirements is pre-cooled to 60°C by a pre-cooler, concentrated in vacuum at 60°C for 30-60 minutes, and made into circles, triangles...

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Abstract

The invention relates to a sweet potato used for mashed potato processing, and a cultivation method and application thereof. The method includes selecting healthy and disease-free Jishu 21 summer potato blocks for thin-line seedling and seedbed breeding for 25-35 days; selecting a hilly land in which no sweet potato is planted for many years, applying farm manure in a to-be-planted land area, and performing soil preparation and ridging; before planting, applying potash humate at ridge bottoms in a centralized manner; thinning sweet potato seedlings and covering black films for planting in late April of the Greorian calendar in each year, and breaking the films one month later; watering 40-50 days later. The Jishu 21 summer potato blocks cultivated by the method can be made into mashed sweet potatoes by cleaning, peeling, sorting, slicing, stewing, concentrating, quick-freezing and packaging. The mashed sweet potatoes are uniform in color and luster, good in taste, high in stickness and high in mashed potato yield.

Description

technical field [0001] The invention relates to a sweet potato used for mashed potato processing and its cultivation method and application, in particular to the sweet potato No. 21 Jishu and its cultivation method and application, belonging to the field of sweet potato cultivation and processing. technical background [0002] Sweet potatoes are important food, feed and energy crops. Sweet potatoes are rich in protein, starch, pectin, vitamins and various minerals. With the recognition of the nutrition of sweet potatoes, sweet potatoes are more and more popular. Jishu 21 is the female parent of CHGU1.002 used by the Crop Research Institute of Shandong Academy of Agricultural Sciences. PC94-1 was sexually crossed to obtain seeds. In 2007, a new variety of sweet potato with high yield and high quality was bred. From 1998 to 1999, it participated in the regional test of sweet potato varieties in northern China. The average yield per mu of fresh potato and dried potato in two...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A23L1/064A23L21/12
Inventor 侯夫云孔宪奎王庆美董顺旭解备涛李爱贤张海燕张立明
Owner CROP RES INST SHANDONG ACAD OF AGRI SCI
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