CN105029299A - Preparation method of cooked sweet potato slices - Google Patents

Abstract

The invention discloses a preparation method of cooked sweet potato slices, belonging to the field of food processing. The preparation method is characterized by comprising the following process flows: selecting materials, rinsing, cooking, soaking for peeling, slicing and airing, covering, checking quality and packing. The cooked sweet potato slices prepared by the method disclosed by the invention are pale yellow in color, flexible, resistant to chewing, thick in natural flavor, sweet and fragrant, resistant to storage, simple in processing and unique in fragrant sticky rice flavor of sweet potatoes. The cooked sweet potato slices are favorable for improving the immunity of a human body as well as maintaining and adjusting the function of the human body, and also have the effects of preventing osteoporosis, delaying aging and preventing arteriosclerosis, so that the cooked sweet potato slices belong to a rare low-calorie low-sugar and low-fat green health food.

Description

A kind of preparation method of ripe sweet potato

Technical field

The present invention relates to a kind of processing method of food, especially relate to a kind of preparation method of ripe sweet potato.

Background technology

Sweet potato, around herbaceous species, belonging to annual or perennial draft of overgrowing, having another name called sweet potato, red taro, sweet potato, sweet potato, sweet potato, pachyrhizus, sweet potato, because having different titles from different places.It is climing elongated, and stem is crawled ground, and block root, produces lactic acid by anaerobic respiration; Color of the leather turns white or rubescent, and meat is mostly yellow-white, but also has purple, except edible, and can also as sugaring and the raw material of making wine.

The effect of sweet potato: 1. strengthen immunologic function: sweet potato contains a large amount of mucus albumen, can prevent liver and kidney adesmosis, improves immunity of organisms, and prevention collagen disease occurs; Mineral matter contained in sweet potato is for maintenance and regulate bodily fuctions, plays a very important role; Contained calcium and magnesium, can prevention of osteoporosis; 2. cancer-resisting: containing a kind of cancer-resisting substance in sweet potato, colon cancer and breast cancer can be prevented and treated; In addition, sweet potato also has the effect of Scavenging active oxygen, and active oxygen is one of reason of bringing out cancer, therefore the effect of sweet potato inhibition cancer cell propagation is fairly obvious; 3. anti-ageing, prevent artery sclerosis: contained by sweet potato, mucus albumen can keep the elasticity of vascular wall, the generation of atherosclerosis; Chlorogenic acid in sweet potato, can the generation of check melanin, prevents the appearance of sparrow class and age mark; Red work can also suppress skin ageing, keeps elasticity of skin, slows down the senescence process of body.

Sweet potato is eaten raw usually, and growth cycle is short, and economic benefit is low, for processing the comprehensive utilization that ripe sweet potato can realize sweet potato raw material, instant, and being convenient to store, improving its economic worth.

Summary of the invention

The object of the invention is to solve growth of sweet potato cycle short problem, a kind of preparation method of ripe sweet potato is provided.

The present invention solves the technical scheme that its technical problem takes:

A preparation method for ripe sweet potato, is characterized in that: adopt → the fabrication processing of rinsing → boiling → immersions peeling → airing of cutting into slices → seal frost → check the quality → pack of selecting materials, concrete operation step is:

(1) select materials: select Bai Pibai flesh, build large, free from insect pests, hard defects and blackspot, sugar content is higher, starch-containing few sweet potato;

(2) rinsing: the potato block chosen is poured in vat, washes 4-5 time with clear water, earth wash clean, remove fibrous root;

(3) boiling: clean sweet potato block is put into pot, adds water, boil seven, medium well time, use slow fire instead, until to boil and not well-done;

(4) peeling is soaked: be placed on by well-done sweet potato in cold water tank and soak cooling, all taken off by potato skin with hand, do not damage sweet potato meat;

(5) to cut into slices airing: first on chopping board, the sweet potato of boiling peeling is cut into the thick thin slice of 3-5mm, thickness is wanted evenly, the ripe potato chips cut are placed in airing under sunlight, every day is stirred 4-6 time, until airing to water content is 10-12%, feel flexible then can;

(6) seal frost: be placed on by the potato chips that airing is good in clean warm cellar for storing things, cover seal frost with clean bed clothes, treating that white Icing Sugar face appears in ripe sweet potato top layer, is then finished product;

(7) pack: potato chips are loaded in the non-toxic plastic bag of different size, reinstall carton and secure, want moistureproof and air-dry during storage, be finished product.

Beneficial effect: product color of the present invention is pale yellow, flexible, resistance toly chews, and natural flavor is dense, sweet delicate fragrance, for shelf-stable, and processing is simple, has the glutinous local flavor of the distinctive perfume (or spice) of sweet potato; This product is conducive to improving body immunity, maintains and regulates bodily fuctions, also have prevention of osteoporosis, anti-ageing, prevent arteriosclerotic effect, be a kind of green health food of rare low in calories, low sugar, low fat.

Detailed description of the invention

Embodiment 1 :

A preparation method for ripe sweet potato, concrete operation step is:

(1) select materials: select Bai Pibai flesh, build large, free from insect pests, hard defects and blackspot, sugar content is higher, starch-containing few sweet potato; Select evenly sturdy, the Chinese yam that meat is tender and crisp

(2) rinsing: the potato block chosen and Chinese yam are poured in vat, washes 4-5 time with clear water, earth wash clean, remove fibrous root;

(3) boiling: clean sweet potato block and Chinese yam are put into pot, adds water, boil ninety percent ripe time, use slow fire instead, until to boil and not well-done;

(4) peeling is soaked: be placed on by well-done raw material in cold water tank and soak cooling, all taken off by epidermis with hand, do not damage meat;

(5) section airing: first on chopping board, the raw material boiling peeling is cut into the thick thin slice of 6-8mm, thickness is wanted evenly, and the ripe potato chips cut are placed in drying room and smoke, within every 1 hour, stir 2 times, until water content is 8-10%, feel flexible then can;

(6) seal frost: be placed on by the thin slice that airing is good in clean warm cellar for storing things, cover seal frost with clean bed clothes, treating that white Icing Sugar face appears in ripe sweet potato top layer, is then finished product;

(7) pack: potato chips are loaded in the non-toxic plastic bag of different size, reinstall carton and secure, want moistureproof and air-dry during storage, be finished product.

Embodiment 2 :

A preparation method for ripe sweet potato, concrete operation step is:

(1) select materials: select Bai Pibai flesh, build large, free from insect pests, hard defects and blackspot, sugar content is higher, starch-containing few sweet potato, purple potato;

(2) rinsing: the potato block chosen is poured in vat, washes 2-3 time with clear water, earth wash clean, remove fibrous root;

(3) boiling: clean sweet potato block is put into pot, adds water, citric acid and salt, boil seven, medium well time, use slow fire instead, until to boil and not well-done;

(4) peeling is soaked: be placed on by well-done potato block in cold water tank and soak cooling, all taken off by potato skin with hand, do not damage sweet potato meat;

(5) to cut into slices airing: first on chopping board, the sweet potato of boiling peeling is cut into the thick thin slice of 6-8mm, thickness is wanted evenly, the ripe potato chips cut are placed in airing under sunlight, every day is stirred 2-3 time, until airing to water content is 16-18%, feel flexible then can;

(6) seal frost: be placed on by the potato chips that airing is good in clean warm cellar for storing things, cover seal frost with clean bed clothes, treating that white Icing Sugar face appears in ripe sweet potato top layer, is then finished product;

(7) pack: potato chips are loaded in the non-toxic plastic bag of different size, reinstall carton and secure, want moistureproof and air-dry during storage, be finished product.

The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.

Claims (1)

1. a preparation method for ripe sweet potato, is characterized in that: adopt → the fabrication processing of rinsing → boiling → immersions peeling → airing of cutting into slices → seal frost → check the quality → pack of selecting materials, concrete operation step is:

(1) select materials: select Bai Pibai flesh, build large, free from insect pests, hard defects and blackspot, sugar content is higher, starch-containing few sweet potato;

(2) rinsing: the potato block chosen is poured in vat, washes 4-5 time with clear water, earth wash clean, remove fibrous root;

(3) boiling: clean sweet potato block is put into pot, adds water, boil seven, medium well time, use slow fire instead, until to boil and not well-done;

(4) peeling is soaked: be placed on by well-done sweet potato in cold water tank and soak cooling, all taken off by potato skin with hand, do not damage sweet potato meat;

(5) to cut into slices airing: first on chopping board, the sweet potato of boiling peeling is cut into the thick thin slice of 3-5mm, thickness is wanted evenly, the ripe potato chips cut are placed in airing under sunlight, every day is stirred 4-6 time, until airing to water content is 10-12%, feel flexible then can;

(6) seal frost: be placed on by the potato chips that airing is good in clean warm cellar for storing things, cover seal frost with clean bed clothes, treating that white Icing Sugar face appears in ripe sweet potato top layer, is then finished product;

(7) pack: potato chips are loaded in the non-toxic plastic bag of different size, reinstall carton and secure, want moistureproof and air-dry during storage, be finished product.