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Production method of sweet potato slices

A production method, the technology of sweet potato strips, applied in the fields of application, food preparation, food science, etc., can solve the problems of single type and taste, unsuitable processing of dried sweet potatoes, etc., and achieve the effect of being convenient to carry

Inactive Publication Date: 2015-04-08
上海圣济国际贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the dried sweet potatoes prepared by this processing method have no additives, they have a single variety and taste. Only honey-flavored dried sweet potatoes can be processed by this method, and it is not suitable for the processing of other flavors of dried sweet potatoes.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Pretreatment steps: select sweet potatoes with a weight of 2-4 catties, wash, peel, wash and cut the sweet potatoes into sweet potato strips with a width of 1-3cm, a height of 1-3cm, and a length of 4-7cm;

[0031] Cooking step: put the pretreated sweet potato sticks and cinnamon bark, tangerine peel, fennel, star anise, salt and sugar into the water, and the raw material content ratio of the cinnamon bark, tangerine peel, fennel, star anise, salt and sugar is 1: (0.9- 1.1): (0.7-1.1): (0.8-1.2): (8-30): (3-13), the temperature is 85-98°C, and the time is 22-28 minutes;

[0032] Soaking steps: Soak the boiled sweet potato strips in the cold at a temperature of 3-6°C for 50-150s, and drain after soaking;

[0033] Quick-freezing step: put the sweet potato strips in an environment of 0-5°C for quick-freezing for 24-36 hours;

[0034] Frying step: fry the soaked sweet potato strips in oil at a temperature of 65-80°C for 3 minutes, pick them up and put them in oil at a temp...

Embodiment 2

[0039] Pretreatment steps: select sweet potatoes with a weight of 3-5 catties, wash, peel, wash and cut the sweet potatoes into sweet potato strips with a width of 2-3.5cm, a height of 1.5-3cm, and a length of 3.5-7.5cm;

[0040] Soaking step: soak the pretreated sweet potato strips in cold water at a temperature of 0-5°C for 140-250s, and drain after soaking;

[0041] Quick-freezing step: put the sweet potato strips in an environment of 2-10°C for 24-48 hours;

[0042] Frying step: fry the soaked sweet potato strips in oil at a temperature of 90-140° C. for 8 minutes, put cinnamon bark, tangerine peel, fennel and star anise in the oil, and the ratio of the cinnamon bark, tangerine peel, fennel and star anise is 1 : (0.7-1.2): (0.8-1.1): (0.9-1.2), pick it up and fry it in oil at a temperature of 145-185°C for 7 minutes, and drain it after frying;

[0043] Packing steps: dehydration treatment twice, put into the ingredient bag, which contains tomato paste, and pack under redu...

Embodiment 3

[0047] Pretreatment steps: select sweet potatoes with a weight of 3-6 catties, wash, peel, wash and cut the sweet potatoes into sweet potato strips with a width of 1.5-3.5 cm, a height of 1.5-3.5 cm, and a length of 4-7.5 cm.

[0048] Soaking step: Soak the pretreated sweet potato strips in cold water at a temperature of 0-5°C for 140-250s, drain after soaking; put cinnamon bark, tangerine peel, fennel and star anise in the water, and the cinnamon bark, tangerine peel, fennel and star anise The ratio is between 1: (0.7-1.3): (0.7-1.1): (0.6-1.2).

[0049]Quick-freezing step: put the sweet potato strips into an environment of 5-15°C for quick-freezing for 24-72 hours;

[0050] Frying step: Fry the soaked sweet potato strips in oil at a temperature of 70-85°C for 3 minutes, pick them up and put them in oil at a temperature of 90-105°C for 3 minutes, pick them up and fry them again Fry at a temperature of 110-130°C for 3 minutes, pick it up and place it at a temperature of 135-1...

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PUM

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Abstract

The invention provides a production method of sweet potato slices, which comprises the following steps: a soaking step: sweet potato slices are soaked in cool water at the temperature ranging from 0 to 6 DEG C, and are drained after soaking; a quick-freezing step: the sweet potato slices are placed in an environment of 0-15 DEG C for quick-freezing for 24-72 hours; and a frying step: the soaked sweet potato slices are fried in oil for twice to four times at a temperature ranging from 50 DEG C to 200 DEG C, the total time for frying is 6-20 min, later frying temperature is high than former frying temperature, and the sweet potato slices are drained after frying. The sweet potato slices produced through the method provided by the invention maintains nutrition of sweet potatoes without addition of additives and is suitable for long-period storage; and the sweet potato slices can be matched with various tastes while the sweet potatoes are crisp and delicious, so that the sweet potato slices have both nutrition and delicacy and is convenient to carry and store.

Description

technical field [0001] The invention relates to a food production method, in particular to a production method of sweet potato strips. Background technique [0002] Sweet potato, also known as sweet potato, sweet potato, sweet potato, etc., belongs to the annual plant of Convolvulaceae. Trailing herbs, more than 2 meters long, lying flat on the ground and slanting upwards. With underground tuber, tuber spindle-shaped, outer skin khaki or purple. Leaves alternate, broadly ovate, 3-5 palmately lobed. Cymes axillary, bracts small, subulate, sepals oblong, unequal length, corolla bell-shaped, funnel-shaped, white to purple-red. Capsule ovate or oblate, with 1-4 seeds. The root is starch raw material, which can be eaten, brewed or used as fodder. It was introduced into China in the 16th century and has been widely cultivated throughout the country. [0003] Sweet potato has extremely high nutritional value. It is rich in protein, starch, pectin, cellulose, amino acid, vitam...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L1/217A23L19/18
Inventor 金明张琛
Owner 上海圣济国际贸易有限公司