CN105285559A - Processing method of instant Chinese yam rhizome powder - Google Patents

Processing method of instant Chinese yam rhizome powder Download PDF

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Publication number
CN105285559A
CN105285559A CN201410303350.5A CN201410303350A CN105285559A CN 105285559 A CN105285559 A CN 105285559A CN 201410303350 A CN201410303350 A CN 201410303350A CN 105285559 A CN105285559 A CN 105285559A
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henan
china
rhiizoma dioscoreae
chinese yam
enzymolysis
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梁治军
韩甜甜
齐强强
郝洛丹
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He'nan Miaoyu Beverage LLC
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He'nan Miaoyu Beverage LLC
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Abstract

The present invention relates to a processing method of an instant Chinese yam rhizome powder which is prepared by steps of raw material selecting, cleaning, peeling, slicing, color protecting, pulping, paste milling, gelatinizing, enzymolysis, blending, homogenizing and spray drying. The processing method is characterized in that Chinese yam rhizomes are used as a raw material, a modern enzymolysis solubilizing technology is applied in the processing of the product, and a drying aid of maltodextrin and an anticaking agent of soluble soybean polysaccharide are added in the spray drying process, so that the yield of the Chinese yam rhizome powder is improved, rapid dissolvability of the Chinese yam rhizome powder is further increased, and during the infusing process, agglomeration and precipitation do not occur, and the system is uniform and stable. The processing method provided by the invention is simple to operate and can achieve large-scale industrial production.

Description

A kind of processing method of instant Chinese yam powder
Technical field
The present invention relates to a kind of processing method of instant Chinese yam powder, belong to food processing field.
Background technology
Chinese yam is the stem tuber of Dioscoreaceae perennial plant, all has cultivation in various places, China north and south, but is with the Chinese yam performance optimal produced with Wen County one, Jiaozhuo, Henan, is called " RHIIZOMA DIOSCOREAE from Henan of China ", because its medical value can compared with ginseng, also known as " bosom ginseng ".RHIIZOMA DIOSCOREAE from Henan of China is as one of traditional medicinal and edible plant, and nutritional labeling is very abundant, containing starch, protein, polysaccharide, free amino acid, allantoin, choline etc.; RHIIZOMA DIOSCOREAE from Henan of China sugariness is put down, cold not hot, does not moisten not dry, the effect such as have strengthening the spleen and stomach, tonifying lung kidney, body-building and tonifying yang, promote longevity.
RHIIZOMA DIOSCOREAE from Henan of China, as important excellent tonic product, is subject to the favor of consumers in general deeply.Due to the harvest season Relatively centralized of RHIIZOMA DIOSCOREAE from Henan of China, fresh RHIIZOMA DIOSCOREAE from Henan of China water content is high, not easily preserves for a long time, directly affect the economic benefit of the Chinese yam producer, so carry out deep processing to it to make Chinese yam powder, be not only convenient to edible and storage, be also Jiaozuo City economic development in the urgent need to.In addition, containing much starch in RHIIZOMA DIOSCOREAE from Henan of China, be insoluble in water, the Chinese yam powder made by traditional handicraft is poorly soluble, very easily occurs the phenomenon of layering and precipitating, had a strong impact on mouthfeel and the quality of the Chinese yam product obtained as development of raw materials after rehydration.Therefore, the Chinese yam powder developing a kind of dissolubility good has important practical significance, and while meeting the need of market, improves the economic benefit of RHIIZOMA DIOSCOREAE from Henan of China, promotes the development of RHIIZOMA DIOSCOREAE from Henan of China industry.
Summary of the invention
The object of this invention is to provide a kind of processing method of instant Chinese yam powder, improve the dissolubility of Chinese yam powder, widen the application of Chinese yam powder.
The present invention is achieved through the following technical solutions:
A processing method for instant Chinese yam powder, it is realized by following steps:
(1) raw material selection, cleaning, peeling: choose without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, wash away the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface with clear water, remove the peel after blanching 5 ~ 10min in 75 ~ 90 DEG C of hot water;
(2) cut into slices, protect look: with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 2 ~ 3mm, put into colour protecting liquid at once, colour protecting liquid is the mixed aqueous solution of citric acid, vitamin C and salt, wherein the concentration of citric acid is 0.02% ~ 0.05%, ascorbic concentration is 0.05% ~ 0.1%, and the concentration of salt is 0.05% ~ 0.1%, citric acid: vitamin C: the mass ratio of salt is 2:5:5,90 ~ 98 DEG C are protected look 8 ~ 15min, rinse at once after protecting look with clear water;
(3) making beating, glue mill: in RHIIZOMA DIOSCOREAE from Henan of China, add pure water, the ratio making RHIIZOMA DIOSCOREAE from Henan of China and pure water is 1:3 ~ 1:8, breaks into slurries, then refine with colloid mill with beater, be RHIIZOMA DIOSCOREAE from Henan of China slurry;
(4) gelatinization, enzymolysis: RHIIZOMA DIOSCOREAE from Henan of China is starched Heat Gelatinization 5min, then add pectase and carry out enzymolysis.The addition of pectase is that 0.01% ~ 0.1%(is with RHIIZOMA DIOSCOREAE from Henan of China dry weight basis), hydrolysis temperature 40 ~ 60 DEG C, enzymolysis time 40 ~ 90min;
(5) allocate: in RHIIZOMA DIOSCOREAE from Henan of China enzymolysis liquid, add drying aid and anticaking agent, drying aid is maltodextrin, and addition is 10% ~ 20% of enzymolysis liquid total amount; Anticaking agent is soluble soybean polysaccharide, and addition is 0.1% ~ 1% of enzymolysis liquid total amount;
(6) homogeneous: homogenizing temperature 50 ~ 60 DEG C, homogenization pressure 25 ~ 30MPa;
(7) spraying dry: feed temperature 50 ~ 60 DEG C, EAT 160 ~ 180 DEG C, leaving air temp 60 ~ 70 DEG C, charging flow velocity 800 ~ 1000mL/h.
In described step (1), choose without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, wash away the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface with clear water, remove the peel after hot soup 5 ~ 10min in 80 DEG C of hot water.
In described step (1), choose without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, remove the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface with clear water, remove the peel after hot soup 5min in 75 ~ 90 DEG C of hot water.
In described step (2), with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 2 ~ 3mm, puts into colour protecting liquid at once, 98 DEG C are protected look 8 ~ 15min, rinse at once after protecting look with clear water.
In described step (2), with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 2 ~ 3mm, puts into colour protecting liquid at once, 90 ~ 98 DEG C are protected look 10min, rinse at once after protecting look with clear water.
Advantage of the present invention:
(1) enzymolysis solubilization technique is applied in Product processing by the present invention, adopts pectinase enzymatic hydrolysis RHIIZOMA DIOSCOREAE from Henan of China, and enzymatic hydrolysis condition is gentle, and enzyme dosage is few, effectively reduces the viscosity of RHIIZOMA DIOSCOREAE from Henan of China slurry, and the Chinese yam powder that processing obtains has good dissolubility; And in prior art, adopting AMS, carbohydrase to carry out enzymolysis to RHIIZOMA DIOSCOREAE from Henan of China, the material sugar content after enzymolysis is high, there will be wall sticking phenomenon and be unfavorable for being dried to powder in spray-drying process.
(2) the present invention adds drying aid maltodextrin and anticaking agent soluble soybean polysaccharide in drying process with atomizing, not only increases the yield of Chinese yam powder, and further increases dissolubility and the brew of Chinese yam powder.Soluble soybean polysaccharide is a kind of good water-soluble dietary fiber, and while increasing product nutrition, not only can be used as anticaking agent, is also a kind of high performance emulsion stabilizer, makes product reconstitute without agglomerate, nothing precipitation in process, system stable homogeneous.
Detailed description of the invention
Embodiment 1
(1) raw material selection, cleaning, peeling: choose without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, wash away the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface with clear water, remove the peel after blanching 5min in 75 DEG C of hot water;
(2) cut into slices, protect look: with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 2mm, put into colour protecting liquid at once, colour protecting liquid is the mixed aqueous solution of citric acid, vitamin C and salt, wherein the concentration of citric acid is 0.02%, ascorbic concentration is 0.05%, and the concentration of salt is 0.05%, citric acid: vitamin C: the mass ratio of salt is 2:5:5,95 DEG C are protected look 10min, rinse at once after protecting look with clear water;
(3) making beating, glue mill: in RHIIZOMA DIOSCOREAE from Henan of China, add pure water, the ratio making RHIIZOMA DIOSCOREAE from Henan of China and pure water is 1:3, breaks into slurries, then refine with colloid mill with beater, be RHIIZOMA DIOSCOREAE from Henan of China slurry;
(4) gelatinization, enzymolysis: RHIIZOMA DIOSCOREAE from Henan of China is starched Heat Gelatinization 5min, then add pectase and carry out enzymolysis.The addition of pectase is that 0.01%(is with RHIIZOMA DIOSCOREAE from Henan of China dry weight basis), hydrolysis temperature 40 DEG C, enzymolysis time 90min;
(5) allocate: in RHIIZOMA DIOSCOREAE from Henan of China enzymolysis liquid, add drying aid and anticaking agent, drying aid is maltodextrin, and addition is 10% of enzymolysis liquid total amount; Anticaking agent is soluble soybean polysaccharide, and addition is 0.1% of enzymolysis liquid total amount;
(6) homogeneous: homogenizing temperature 50 DEG C, homogenization pressure 25MPa;
(7) spraying dry: feed temperature 50 DEG C, EAT 160 DEG C, leaving air temp 60 DEG C, charging flow velocity 800mL/h.
Embodiment 2
(1) raw material selection, cleaning, peeling: choose without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, wash away the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface with clear water, remove the peel after blanching 10min in 90 DEG C of hot water;
(2) cut into slices, protect look: with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 3mm, put into colour protecting liquid at once, colour protecting liquid is the mixed aqueous solution of citric acid, vitamin C and salt, wherein the concentration of citric acid is 0.02%, ascorbic concentration is 0.05%, and the concentration of salt is 0.05%, citric acid: vitamin C: the mass ratio of salt is 2:5:5,98 DEG C are protected look 15min, rinse at once after protecting look with clear water;
(3) making beating, glue mill: in RHIIZOMA DIOSCOREAE from Henan of China, add pure water, the ratio making RHIIZOMA DIOSCOREAE from Henan of China and pure water is 1:3, breaks into slurries, then refine with colloid mill with beater, be RHIIZOMA DIOSCOREAE from Henan of China slurry;
(4) gelatinization, enzymolysis: RHIIZOMA DIOSCOREAE from Henan of China is starched Heat Gelatinization 5min, then add pectase and carry out enzymolysis.The addition of pectase is that 0.05%(is with RHIIZOMA DIOSCOREAE from Henan of China dry weight basis), hydrolysis temperature 40 DEG C, enzymolysis time 60min;
(5) allocate: in RHIIZOMA DIOSCOREAE from Henan of China enzymolysis liquid, add drying aid and anticaking agent, drying aid is maltodextrin, and addition is 15% of enzymolysis liquid total amount; Anticaking agent is soluble soybean polysaccharide, and addition is 0.8% of enzymolysis liquid total amount;
(6) homogeneous: homogenizing temperature 60 DEG C, homogenization pressure 30MPa;
(7) spraying dry: feed temperature 55 DEG C, EAT 170 DEG C, leaving air temp 65 DEG C, charging flow velocity 900mL/h.
Embodiment 3
(1) raw material selection, cleaning, peeling: choose without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, wash away the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface with clear water, remove the peel after blanching 5min in 80 DEG C of hot water;
(2) cut into slices, protect look: with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 2mm, put into colour protecting liquid at once, colour protecting liquid is the mixed aqueous solution of citric acid, vitamin C and salt, wherein the concentration of citric acid is 0.04%, ascorbic concentration is 0.1%, and the concentration of salt is 0.1%, citric acid: vitamin C: the mass ratio of salt is 2:5:5,90 DEG C are protected look 10min, rinse at once after protecting look with clear water;
(3) making beating, glue mill: in RHIIZOMA DIOSCOREAE from Henan of China, add pure water, the ratio making RHIIZOMA DIOSCOREAE from Henan of China and pure water is 1:8, breaks into slurries, then refine with colloid mill with beater, be RHIIZOMA DIOSCOREAE from Henan of China slurry;
(4) gelatinization, enzymolysis: RHIIZOMA DIOSCOREAE from Henan of China is starched Heat Gelatinization 5min, then add pectase and carry out enzymolysis, and the addition of pectase is that 0.1%(is with RHIIZOMA DIOSCOREAE from Henan of China dry weight basis), hydrolysis temperature 55 DEG C, enzymolysis time 40min;
(5) allocate: in RHIIZOMA DIOSCOREAE from Henan of China enzymolysis liquid, add drying aid and anticaking agent, drying aid is maltodextrin, and addition is 18% of enzymolysis liquid total amount; Anticaking agent is soluble soybean polysaccharide, and addition is 0.1% of enzymolysis liquid total amount;
(6) homogeneous: homogenizing temperature 55 DEG C, homogenization pressure 28MPa;
(7) spraying dry: feed temperature 60 DEG C, EAT 180 DEG C, leaving air temp 70 DEG C, charging flow velocity 1000mL/h.
Embodiment 4
(1) raw material selection, cleaning, peeling: choose without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, wash away the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface with clear water, remove the peel after blanching 5min in 90 DEG C of hot water;
(2) cut into slices, protect look: with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 3mm, put into colour protecting liquid at once, colour protecting liquid is the mixed aqueous solution of citric acid, vitamin C and salt, wherein the concentration of citric acid is 0.05%, ascorbic concentration is 0.1%, and the concentration of salt is 0.1%, citric acid: vitamin C: the mass ratio of salt is 2:5:5,98 DEG C are protected look 8min, rinse at once after protecting look with clear water;
(3) making beating, glue mill: in RHIIZOMA DIOSCOREAE from Henan of China, add pure water, the ratio making RHIIZOMA DIOSCOREAE from Henan of China and pure water is 1:8, breaks into slurries, then refine with colloid mill with beater, be RHIIZOMA DIOSCOREAE from Henan of China slurry;
(4) gelatinization, enzymolysis: RHIIZOMA DIOSCOREAE from Henan of China is starched Heat Gelatinization 5min, then add pectase and carry out enzymolysis.The addition of pectase is that 0.01%(is with RHIIZOMA DIOSCOREAE from Henan of China dry weight basis), hydrolysis temperature 60 DEG C, enzymolysis time 40min;
(5) allocate: in RHIIZOMA DIOSCOREAE from Henan of China enzymolysis liquid, add drying aid and anticaking agent, drying aid is maltodextrin, and addition is 10% of enzymolysis liquid total amount; Anticaking agent is soluble soybean polysaccharide, and addition is 1% of enzymolysis liquid total amount;
(6) homogeneous: homogenizing temperature 60 DEG C, homogenization pressure 25MPa;
(7) spraying dry: feed temperature 50 DEG C, EAT 180 DEG C, leaving air temp 70 DEG C, charging flow velocity 800mL/h.
Embodiment 5
(1) raw material selection, cleaning, peeling: choose without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, wash away the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface with clear water, remove the peel after blanching 10min in 75 DEG C of hot water;
(2) cut into slices, protect look: with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 2mm, put into colour protecting liquid at once, colour protecting liquid is the mixed aqueous solution of citric acid, vitamin C and salt, wherein the concentration of citric acid is 0.032%, ascorbic concentration is 0.08%, and the concentration of salt is 0.08%, citric acid: vitamin C: the mass ratio of salt is 2:5:5,90 DEG C are protected look 15min, rinse at once after protecting look with clear water;
(3) making beating, glue mill: in RHIIZOMA DIOSCOREAE from Henan of China, add pure water, the ratio making RHIIZOMA DIOSCOREAE from Henan of China and pure water is 1:5, breaks into slurries, then refine with colloid mill with beater, be RHIIZOMA DIOSCOREAE from Henan of China slurry;
(4) gelatinization, enzymolysis: RHIIZOMA DIOSCOREAE from Henan of China is starched Heat Gelatinization 5min, then add pectase and carry out enzymolysis.The addition of pectase is that 0.1%(is with RHIIZOMA DIOSCOREAE from Henan of China dry weight basis), hydrolysis temperature 60 DEG C, enzymolysis time 90min;
(5) allocate: in RHIIZOMA DIOSCOREAE from Henan of China enzymolysis liquid, add drying aid and anticaking agent, drying aid is maltodextrin, and addition is 20% of enzymolysis liquid total amount; Anticaking agent is soluble soybean polysaccharide, and addition is 1% of enzymolysis liquid total amount;
(6) homogeneous: homogenizing temperature 50 DEG C, homogenization pressure 30MPa;
(7) spraying dry: feed temperature 55 DEG C, EAT 160 DEG C, leaving air temp 60 DEG C, charging flow velocity 1000mL/h.
Embodiment 6
(1) raw material selection, cleaning, peeling: choose without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, wash away the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface with clear water, remove the peel after blanching 8min in 83 DEG C of hot water;
(2) cut into slices, protect look: with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 3mm, put into colour protecting liquid at once, colour protecting liquid is the mixed aqueous solution of citric acid, vitamin C and salt, wherein the concentration of citric acid is 0.032%, ascorbic concentration is 0.08%, and the concentration of salt is 0.08%, citric acid: vitamin C: the mass ratio of salt is 2:5:5,98 DEG C are protected look 10min, rinse at once after protecting look with clear water;
(3) making beating, glue mill: in RHIIZOMA DIOSCOREAE from Henan of China, add pure water, the ratio making RHIIZOMA DIOSCOREAE from Henan of China and pure water is 1:6, breaks into slurries, then refine with colloid mill with beater, be RHIIZOMA DIOSCOREAE from Henan of China slurry;
(4) gelatinization, enzymolysis: RHIIZOMA DIOSCOREAE from Henan of China is starched Heat Gelatinization 5min, then add pectase and carry out enzymolysis.The addition of pectase is that 0.05%(is with RHIIZOMA DIOSCOREAE from Henan of China dry weight basis), hydrolysis temperature 50 DEG C, enzymolysis time 75min;
(5) allocate: in RHIIZOMA DIOSCOREAE from Henan of China enzymolysis liquid, add drying aid and anticaking agent, drying aid is maltodextrin, and addition is 15% of enzymolysis liquid total amount; Anticaking agent is soluble soybean polysaccharide, and addition is 0.5% of enzymolysis liquid total amount;
(6) homogeneous: homogenizing temperature 55 DEG C, homogenization pressure 30MPa;
(7) spraying dry: feed temperature 60 DEG C, EAT 170 DEG C, leaving air temp 60 DEG C, charging flow velocity 900mL/h.

Claims (5)

1. a processing method for instant Chinese yam powder, is characterized in that it is realized by following steps:
(1) raw material selection, cleaning, peeling: choose without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, wash away the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface with clear water, remove the peel after blanching 5 ~ 10min in 75 ~ 90 DEG C of hot water;
(2) cut into slices, protect look: with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 2 ~ 3mm, put into colour protecting liquid at once, colour protecting liquid is the mixed aqueous solution of citric acid, vitamin C and salt, wherein the concentration of citric acid is 0.02% ~ 0.05%, ascorbic concentration is 0.05% ~ 0.1%, and the concentration of salt is 0.05% ~ 0.1%, citric acid: vitamin C: the mass ratio of salt is 2:5:5,90 ~ 98 DEG C are protected look 8 ~ 15min, rinse at once after protecting look with clear water;
(3) making beating, glue mill: in RHIIZOMA DIOSCOREAE from Henan of China, add pure water, the ratio making RHIIZOMA DIOSCOREAE from Henan of China and pure water is 1:3 ~ 1:8, breaks into slurries, then refine with colloid mill with beater, be RHIIZOMA DIOSCOREAE from Henan of China slurry;
(4) gelatinization, enzymolysis: RHIIZOMA DIOSCOREAE from Henan of China is starched Heat Gelatinization 5min, then add pectase and carry out enzymolysis,
The addition of pectase is that 0.01% ~ 0.1%(is with RHIIZOMA DIOSCOREAE from Henan of China dry weight basis), hydrolysis temperature 40 ~ 60 DEG C, enzymolysis time 40 ~ 90min;
(5) allocate: in RHIIZOMA DIOSCOREAE from Henan of China enzymolysis liquid, add drying aid and anticaking agent, drying aid is maltodextrin, and addition is 10% ~ 20% of enzymolysis liquid total amount; Anticaking agent is soluble soybean polysaccharide, and addition is 0.1% ~ 1% of enzymolysis liquid total amount;
(6) homogeneous: homogenizing temperature 50 ~ 60 DEG C, homogenization pressure 25 ~ 30MPa;
(7) spraying dry: feed temperature 50 ~ 60 DEG C, EAT 160 ~ 180 DEG C, leaving air temp 60 ~ 70 DEG C, charging flow velocity 800 ~ 1000mL/h.
2. the processing method of a kind of Chinese yam powder according to claim 1, is characterized in that: in described step (1), chooses without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, washes away the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface, remove the peel in 80 DEG C of hot water after hot soup 5 ~ 10min with clear water.
3. the processing method of a kind of Chinese yam powder according to claim 1, is characterized in that: in described step (1), chooses without insect pest, without the fresh RHIIZOMA DIOSCOREAE from Henan of China gone mouldy, removes the impurity on RHIIZOMA DIOSCOREAE from Henan of China surface, remove the peel in 75 ~ 90 DEG C of hot water after hot soup 5min with clear water.
4. the processing method of a kind of Chinese yam powder according to claim 1, it is characterized in that: in described step (2), with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 2 ~ 3mm, puts into colour protecting liquid at once, 98 DEG C are protected look 8 ~ 15min, rinse at once after protecting look with clear water.
5. the processing method of a kind of Chinese yam powder according to claim 1, it is characterized in that: in described step (2), with slicer, RHIIZOMA DIOSCOREAE from Henan of China is cut into the thick thin slice of 2 ~ 3mm, puts into colour protecting liquid at once, 90 ~ 98 DEG C are protected look 10min, rinse at once after protecting look with clear water.
CN201410303350.5A 2014-06-30 2014-06-30 Processing method of instant Chinese yam rhizome powder Pending CN105285559A (en)

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Application publication date: 20160203