CN105166016A - Microwave drying process for white ginger - Google Patents

Abstract

The present invention discloses a microwave drying process of white ginger comprising the following steps: washing, slicing, microwave drying, vacuum drying, etc. Through utilizing a microwave drying method to dry the white ginger and combining progressive microwave intensity and vacuum drying process, the microwave drying process can maximize the retention of the aromatic flavor of the white ginger. And advantages of the microwave drying process are that the microwave drying process is simple in process, free of environmental pollution, and suitable for industrial production.

Description

A kind of white ginger microwave drying process

Technical field

The present invention relates to technical field of agricultural product process, be specifically related to a kind of white ginger microwave drying process.

Background technology

The white ginger in Tongling is rare Local Excellent kind, has the use value of stronger adaptability, good yielding ability, excellent quality and uniqueness, is one of Tongling " eight treasures (choice ingredients of certain special dishes) ", is just listed in tribute as far back as Northern Song Dynasty.It is at home and abroad well-known with the characteristic of " block great Pi is thin, the many slags of juice are few, meat is tender and crisp, aromatic flavour ", has the sensation of " lasting overnight " after food.White ginger belongs to food, medicament dual-purpose type and can be rated as " the white ginger of China ".

But due to the water content of fresh white ginger very high, account for more than 90% of fresh weight, cause that it is perishable at duration of storage, elephant skin are shrivelled rotten, not easily preserve for a long time.Although utilize common rhizoma zingiberis method (heated-air drying etc.), storage and the transportation problem of white ginger can be solved, exist and utilize common rhizoma zingiberis method, the fragrant local flavor of Bai Jiangzhong can be caused cannot to obtain the defect effectively kept.

Summary of the invention

The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of in dry run, the white ginger microwave drying process of white Jiang Fangxiang local flavor can be kept.

The white ginger microwave drying process of one provided by the invention, comprises the following steps:

(1), wash: white ginger is washed, removes the peel afterwards;

(2), cut into slices: the white ginger after clean peeling is cut into white ginger splices equably;

(3), balance: white ginger splices individual layer is evenly laid on material disc;

(4), place: have the material disc of white ginger splices to put into microwave drying oven tiling;

(5), microwave drying: the power of microwave drying oven sets gradually as 90W, 160W, 350W, the dry 1-2min when 90W; The dry 1-2min when 160W; When 350W, dry 1-2min, amounts to and is no less than 5min;

(6), vacuum drying: after microwave drying completes, have the material disc of white ginger splices to transfer in vacuum drying chamber tiling, the design temperature of vacuum drying chamber is 35-45 DEG C;

(7), weigh: had the material disc of white ginger splices to weigh once every 1 hour to tiling, until after constant weight, material disc is taken out, completes drying.

Further describe as to technique scheme:

In step (2), the thickness of white ginger splices is 2-5mm.

Further describe as to technique scheme:

In step (6), the design temperature of vacuum drying chamber is 40 DEG C.

The present invention utilizes microwave drying mode dialogue ginger to carry out drying, coordinates the microwave intensity and vacuum drying process that go forward one by one, so farthest can retain the fragrant local flavor of white ginger.And have that technique is simple, non-environmental-pollution, be applicable to the advantage of suitability for industrialized production.

Detailed description of the invention

Below in conjunction with specific embodiment, invention is described in further detail.

A kind of white ginger microwave drying process, comprises the following steps:

(1), wash: white ginger is washed, removes the peel afterwards;

(2), cut into slices: the white ginger after clean peeling is cut into equably the thick white ginger splices of 2-5mm;

(3), balance: white ginger splices individual layer is evenly laid on material disc;

(4), place: have the material disc of white ginger splices to put into microwave drying oven tiling;

(5), microwave drying: the power of microwave drying oven sets gradually as 90W, 160W, 350W, the dry 1-2min when 90W; The dry 1-2min when 160W; When 350W, dry 1-2min, amounts to and is no less than 5min;

(6), vacuum drying: after microwave drying completes, have the material disc of white ginger splices to transfer in vacuum drying chamber tiling, the design temperature of vacuum drying chamber is 35-45 DEG C;

(7), weigh: had the material disc of white ginger splices to weigh once every 1 hour to tiling, until after constant weight, material disc is taken out, completes drying.

Embodiment 1

A kind of white ginger microwave drying process, comprises the following steps:

(1), wash: white for 50g ginger is washed, removes the peel afterwards;

(2), cut into slices: the white ginger after clean peeling is cut into equably the thick white ginger splices of 2mm;

(3), balance: white ginger splices individual layer is evenly laid on material disc;

(4), place: have the material disc of white ginger splices to put into microwave drying oven tiling;

(5), microwave drying: the power of microwave drying oven sets gradually as 90W, 160W, 350W, the dry 2min when 90W; The dry 2min when 160W; The dry 1min when 350W;

(6), vacuum drying: after microwave drying completes, have the material disc of white ginger splices to transfer in vacuum drying chamber tiling, the design temperature of vacuum drying chamber is 35 DEG C;

(7), weigh: had the material disc of white ginger splices to weigh once every 1 hour to tiling, until after constant weight, material disc is taken out, completes drying.

Embodiment 2

(1), wash: white for 50g ginger is washed, removes the peel afterwards;

(2), cut into slices: the white ginger after clean peeling is cut into equably the thick white ginger splices of 4mm;

(3), balance: white ginger splices individual layer is evenly laid on material disc;

(4), place: have the material disc of white ginger splices to put into microwave drying oven tiling;

(5), microwave drying: the power of microwave drying oven sets gradually as 90W, 160W, 350W, the dry 1min when 90W; The dry 2min when 160W; The dry 2min when 350W;

(6), vacuum drying: after microwave drying completes, have the material disc of white ginger splices to transfer in vacuum drying chamber tiling, the design temperature of vacuum drying chamber is 40 DEG C;

(7), weigh: had the material disc of white ginger splices to weigh once every 1 hour to tiling, until after constant weight, material disc is taken out, completes drying.

The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (3)

1. a white ginger microwave drying process, is characterized in that: comprise the following steps:

(1), wash: white ginger is washed, removes the peel afterwards;

(2), cut into slices: the white ginger after clean peeling is cut into white ginger splices equably;

(3), balance: white ginger splices individual layer is evenly laid on material disc;

(4), place: have the material disc of white ginger splices to put into microwave drying oven tiling;

(5), microwave drying: the power of microwave drying oven sets gradually as 90W, 160W, 350W, the dry 1-2min when 90W; The dry 1-2min when 160W; When 350W, dry 1-2min, amounts to and is no less than 5min;

(6), vacuum drying: after microwave drying completes, have the material disc of white ginger splices to transfer in vacuum drying chamber tiling, the design temperature of vacuum drying chamber is 35-45 DEG C;

(7), weigh: had the material disc of white ginger splices to weigh once every 1 hour to tiling, until after constant weight, material disc is taken out, completes drying.

2. white ginger microwave drying process according to claim 1, is characterized in that: in step (2), the thickness of white ginger splices is 2-5mm.

3. white ginger microwave drying process according to claim 1, is characterized in that: in step (6), the design temperature of vacuum drying chamber is 40 DEG C.