CN105135824B - A kind of maca alternating temperature drying means - Google Patents
A kind of maca alternating temperature drying means Download PDFInfo
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- CN105135824B CN105135824B CN201510563238.XA CN201510563238A CN105135824B CN 105135824 B CN105135824 B CN 105135824B CN 201510563238 A CN201510563238 A CN 201510563238A CN 105135824 B CN105135824 B CN 105135824B
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Abstract
The invention discloses a kind of maca alternating temperature drying means, category agricultural product Primary processing technology field；The method of the invention mainly comprises the following steps：Carry out alternating temperature drying after the fresh maca for net system cleaning is drained away the water at room temperature；The present invention is compared with traditional drying method, use heated-air drying equipment, using the slow speed change heating process by low temperature to high temperature, drastically scattering and disappearing for maca moisture is avoided, reduces deformation, maintains color and luster, under conditions of ensureing that nutritional ingredient is not scattered and disappeared, shorten maca drying time more than 20 days, significantly improve drying efficiency, while it also avoid traditional Exposure to Sunlight method labor intensive, take up an area big, the defects of easily polluting.
Description
Technical field
The invention discloses a kind of maca alternating temperature drying means, category agricultural product Primary processing technology field.
Background technology
Maca（Lepidium meyenii）Belong to Cruciferae separate row Vegetable spp (Lepidium), alias is beet root or secret
Shandong ginseng, it is the plant of dietotherapeutic.With enhancing muscle power, enhancing body immunity, antifatigue, raising fertility and other effects.
2011, pueraria root powder was formally approved as new resource food through former health ministry.The maca planting base collection of China more than 60%
In in Lijing, the annual planting area and yield of this area's maca respectively reach 175 hm2 With 780 t, 90% national He is occupied
93%, the Lijing maca output value of 2014 has become local farmers Important Economic source close to 4,000,000,000.
For maca generally using the drying mode dried, the technological process is that harvesting → washing → prunes away hair root at present（Have
Area root tuber is cut into slices）→ dry naturally.The drying mode is simple to operate, and cost is cheap, but deposits many deficiencies.First, consume
When it is longer, generally will be in 30 more than d, production efficiency is relatively low, and the amount of labour used is big.Secondly, sanitary condition is poor.Shine canopy, threshing ground even front yard
Institute etc. dries place and is difficult to prevent the pollution such as worm, mouse, dirt.Again, dry maca naturally is influenceed by different places aerial temperature and humidity,
Outward appearance and inherent quality differ greatly.Therefore, efficiency high, drying equipment easy to operate, small investment and foundation is introduced mutually to fit therewith
It is of crucial importance that the drying process answered dries cost-saving synergistic to maca.
Fresh maca is processed into dry products by the present invention by using room temperature draining and alternating temperature dry technology.
The content of the invention
It is an object of the invention to provide a kind of maca alternating temperature drying means, using alternating temperature dry technology, by fresh maca
Dry products are processed into, significantly shorten process time, and have prevented the pollution of worm, mouse, dirt etc..
The purpose of the present invention is achieved by following technical proposals：
（1）Clean fresh maca is placed and drained naturally at room temperature to surface no moisture；
（2）By step（1）In obtained maca be dried by alternating temperature drying mode, until reaching moisture content≤13%.
The detailed process of the alternating temperature drying mode is that initial drying temperature is 20-30 DEG C, and the temperature keeps 30-40 h
Afterwards, by 2.5-5 DEG C/24 h programming rate, 55 DEG C are uniformly heating to, then 65- is uniformly heating to 5-10 DEG C/12 h speed
After 70 DEG C, insulation is until maca moisture content≤13%.
Beneficial effects of the present invention are：
（1）Maca drying means of the present invention is compared with traditional drying method, using alternating temperature drying mode, and drying temperature
From low to high, slowly heating；The early stage of drying low temperature avoids drastically scattering and disappearing for maca moisture, so as to reduce the pleat of maca epidermis
Wrinkle degree, the later stage of drying high temperature reduce the degraded of nutritional ingredient；
（2）Maca drying means of the present invention shortens more than 20 days time than traditional drying method；
（3）The method of the invention dries maca while its mode of appearance and inherent quality is ensured, it also avoid passing
System method labor intensive, occupied ground are big, the deficiencies of easily polluting.
Brief description of the drawings
Fig. 1 is maca alternating temperature drying time-temperature curve of embodiment 1；
Fig. 2 is the maca moisture content of drying base curve of embodiment 1；
Fig. 3 is form after the yellow maca alternating temperature of embodiment 1 is dried；
Fig. 4 is the purple maca moisture content of drying base curve of embodiment 2；
Fig. 5 is form after the purple maca alternating temperature of embodiment 2 is dried；
Fig. 6 is the black maca moisture content of drying base curve of embodiment 3；
Fig. 7 is form after the black maca alternating temperature of embodiment 3 is dried.
Embodiment
The substantive distinguishing features of the present invention and significant progress, but the present invention is expanded on further below by embodiment and accompanying drawing
Protection domain be limited only to embodiment absolutely not.
Embodiment 1
New foresythia maca is cleaned, placement drains to surface no moisture naturally at room temperature；Chinese medicine is subsequently placed in put
Dried in hot air drier；Technological parameter is, under conditions of being 30 DEG C in initial temperature after 40 h of steady temperature, by 5 DEG C/24 h's
After programming rate is uniformly heating to 55 DEG C, then with 10 DEG C/12 h speed it is uniformly heating to 70 DEG C, insulation reaches until dry
The time of moisture content≤13% is 130 h.Maca surfacing corrugationless after drying, overall deformation is small, its apparent lovely luster
（See Fig. 1,2,3）.
Embodiment 2
Fresh purple maca is cleaned, placement drains to surface no moisture naturally at room temperature；It is subsequently placed in Chinese medicinal material drying
Dried in dry machine；Technological parameter is, under conditions of being 25 DEG C in initial temperature after 35 h of steady temperature, by 3 DEG C/24 h programming rate
After being uniformly heating to 55 DEG C, then with 7.5 DEG C/12 h speed be uniformly heating to 65 DEG C, insulation until dry, reach moisture content≤
13% time is 118 h.Maca is bright-colored after drying, surfacing corrugationless, and overall deformation is small（See Fig. 4,5）.
Embodiment 3
Fresh black maca is cleaned, placement drains to surface no moisture naturally at room temperature；It is subsequently placed in Chinese medicinal material drying
Dried in dry machine；Technological parameter is, under conditions of being 20 DEG C in initial temperature after 30 h of steady temperature, by 2.5 DEG C/24 h heating speed
After degree is uniformly heating to 55 DEG C, then with 5 DEG C/12 h speed be uniformly heating to 68 DEG C, insulation until dry, reach moisture content≤
13% time is 123 h.Maca appearance luster is preferable after drying, surfacing corrugationless, and overall deformation is small（See Fig. 6,7）.
Yellow, purple and black maca nutrient composition content are as shown in table 1 under alternating temperature drying process；
Each color maca of table 1 each nutrient composition content under alternating temperature drying process（%）
。
Claims (1)
- A kind of 1. maca alternating temperature drying means, it is characterised in that following aspect：（1）Clean fresh maca is placed and drained naturally at room temperature to surface no moisture；（2）By step（1）In obtained maca be dried by alternating temperature drying mode, until reaching moisture content≤13%；The step（2）The detailed process that middle alternating temperature is dried is that dry initial temperature is 20-30 DEG C, and the temperature keeps 30-40 h Afterwards, by 2.5-5 DEG C/24 h programming rate, 55 DEG C are uniformly heating to, then 65- is uniformly heating to 5-10 DEG C/12 h speed After 70 DEG C, insulation is until maca moisture content≤13%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510563238.XA CN105135824B (en) | 2015-09-08 | 2015-09-08 | A kind of maca alternating temperature drying means |
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| CN201510563238.XA CN105135824B (en) | 2015-09-08 | 2015-09-08 | A kind of maca alternating temperature drying means |
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| CN105135824A CN105135824A (en) | 2015-12-09 |
| CN105135824B true CN105135824B (en) | 2017-11-14 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852113A (en) * | 2016-04-29 | 2016-08-17 | 丽江师范高等专科学校 | Maca powder fragrance extraction technology |
| CN105994584A (en) * | 2016-05-23 | 2016-10-12 | 青河县金科源林木培育有限公司 | Preparation method for dried sea buckthorn fruit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102488732B (en) * | 2011-12-21 | 2013-05-01 | 中国农业大学 | Rapid drying processing method of American ginseng |
| CN103277989A (en) * | 2013-05-31 | 2013-09-04 | 恒茂实业集团有限公司 | Low-temperature cold-air drying device |
| CN103637025A (en) * | 2013-11-05 | 2014-03-19 | 大连鹤菲英博科技有限公司 | Hazel-mushroom drying device based on temperature variation |
| CN103673559A (en) * | 2013-11-14 | 2014-03-26 | 大连鹤菲英博科技有限公司 | Variable-temperature-based device for drying sweet potato leaves |
| CN103673509A (en) * | 2013-11-14 | 2014-03-26 | 大连鹤菲英博科技有限公司 | Variable-temperature-based method for drying sweet potato leaves |
| CN104180635B (en) * | 2014-08-26 | 2016-04-27 | 北京科技大学 | A kind of thick-layer Chinese medicine drying system of alternating temperature alternation air-flow and method |
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Inventor after: Yang Ye Inventor after: Dai Chunyan Inventor after: Cui Xiuming Inventor after: Liu Diqiu Inventor after: Wang Chengxiao Inventor after: Yang Xiaoyan Inventor after: Qu Yuan Inventor before: Cui Xiuming Inventor before: Yang Ye Inventor before: Dai Chunyan Inventor before: Liu Diqiu Inventor before: Wang Chengxiao Inventor before: Yang Xiaoyan Inventor before: Qu Yuan |
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