CN102177979A - Far infrared method for drying seeds of Camellia oleifera Abel - Google Patents

Far infrared method for drying seeds of Camellia oleifera Abel Download PDF

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Publication number
CN102177979A
CN102177979A CN 201110112357 CN201110112357A CN102177979A CN 102177979 A CN102177979 A CN 102177979A CN 201110112357 CN201110112357 CN 201110112357 CN 201110112357 A CN201110112357 A CN 201110112357A CN 102177979 A CN102177979 A CN 102177979A
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China
Prior art keywords
drying
tea
oil
seed
far
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CN 201110112357
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Inventor
金青哲
邢朝宏
李进伟
黄健花
刘元法
王兴国
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Jiangnan University
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Jiangnan University
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Priority to CN 201110112357 priority Critical patent/CN102177979A/en
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Abstract

The invention discloses a far infrared method for drying seeds of Camellia oleifera Abel, and belongs to the technical field of the processing of agricultural products. The novel method for drying the seeds of Camellia oleifera Abel comprises a step of drying fresh seeds of Camellia oleifera Abel serving as a raw material until the safe storage moisture content at normal temperature is less than 9 percent by controlling the factors such as far infrared drying temperature, radiation power, radiation distance, loading intensity of the seeds of Camellia oleifera Abel and the like. By the method, the drying time is short, the drying speed is high, the drying efficiency is high, energy consumption is low, the dried seeds of Camellia oleifera Abel have high quality, the storage stability is high, the oil yield is high, and the quality of crude oil is high.

Description

A kind of method of far-infrared ray drying tea seed
Technical field
The present invention is a kind of method of far-infrared ray drying tea seed, belongs to the processing of farm products processing technique field.
Background technology
Oil tea (Camellia oleifera Abel) is a Theaceae Camellia plant, it is the distinctive woody oleiferous plants plant of a kind of China evergreen, long-lived, that the fruit oil content is high, also with one of oil palm, olive, coconut " world's four big xylophyta oil plants " equally celebrated for their achievements, mainly be distributed in the mountain area and the hills of southern 14 provinces of China (district), the whole nation has camellia oleifera lam to be about 4,000,000 hm at present 2, produce the tea seed per year and surpass 600,000 t.The grease that proposes from tea seed is called camellia seed oil, and camellia seed oil is nutritious, is rich in unrighted acids such as oleic acid, linoleic acid, and its aliphatic acid is formed with the olive oil of the title that " queen in the oil " arranged quite similar.In addition, also contain physiological activators such as abundant vitamin E, vitamin D, beta carotene, sterol, squalene in the camellia seed oil.
Camellia seed oil is subjected among the people and attention governments at all levels recently day by day because of itself high nutritive value, and the development camellia oleiferaindustry can increase oil supply, can improve the ecological balance again.The rapid expansion of oil tea cultivated area impels the large-scale processing utilization of tea seed.System oil is the first-selected approach of tea seed processing at present.And drying is first procedure of tea seed processing, and dry quality directly has significant impact to the quality and the oil yield of tea seed.For a long time, tea seed processing is mainly planted certainly, is received certainly by peasant household, sun dehydration is adopted in workshop-based oil expression usually, inefficiency not only, be subjected to southern many rainy weathers influence easilier, it is rotten to cause going mouldy because of moisture is too high, influences the processing of follow-up tea seed, makes camellia seed oil be difficult to reach large-scale industrialized production.Therefore, studying efficiently, method for drying oil-tea camellia seed has important practice significance to promoting the tea seed processing and utilization.It is low that far-infrared drying technology has energy consumption, environment friendly and pollution-free, rate of drying is fast, be applied in the agricultural product dry run and have sterilising and enzyme inactivating concurrently, improve advantages such as storage stability, thereby rapid as a kind of novel dried technical development, at present, still there is not open source information about the research that utilizes the far infrared heating drying tea seed.
Summary of the invention
The purpose of this invention is to provide a kind of novel method for drying oil-tea camellia seed.
A kind of novel method for drying oil-tea camellia seed, the green oil tea fruit process of gathering is selected, removal of impurities, remove stone, remove mud after, Exposure to Sunlight is removed oil-tea camellia husks and is obtained tea seed through short-term, by optimizing the far-infrared ray drying process conditions tea seed moisture is reduced to safe storage moisture below 9%.With drying time and target moisture content is index, by the optimization to factors such as baking temperature, radiant power, radiation length, loading densities, determines drying process.
Described method for drying oil-tea camellia seed is achieved through the following technical solutions:
(1) with the green oil tea fruit of gathering through selecting, remove impurity such as the earth that is mingled with in the oil tea fruit, sandstone, go mouldy and the oil tea fruit of disease and pest;
(2) selected oil tea really placed under the Exposure to Sunlight 1~2 day, treated to remove shell behind the oil-tea camellia husks season crack, obtained tea seed;
(3) tea seed of removing behind the oil-tea camellia husks adopts method for far-infrared drying to carry out drying, and process conditions are 40~80 ℃ of baking temperatures, radiant power 1000~3000W, radiation length 100~200mm, loading density 2~6kg/m 2, dry 10~120min reaches below 9% the moisture of tea seed.
Advantage of the present invention: the present invention dries naturally with hot-air seasoning with existing tea seed and compares, and following beneficial effect is arranged: drying time is short, and rate of drying is fast, the drying efficiency height, and energy consumption is low, has avoided weather hold or dry untimely going mouldy of causing; The dried tea seed that adopts the inventive method to handle has experienced the sterilising and enzyme inactivating process simultaneously, so storage endurance, storage period tea seed stay in grade is extracted the quality of crude oil height, produces high-quality tea-seed oil for extensive longer cycle squeezing from now on the raw material quality assurance is provided; Technology of the present invention is simple, and technology is reliable, processing ease, and cost of investment is low.
The specific embodiment:
Embodiment 1
The green oil tea fruit of gathering through selecting, is removed impurity such as the earth that is mingled with in the oil tea fruit, sandstone and gone mouldy and the oil tea fruit of disease and pest; Really placed under the Exposure to Sunlight 1~2 day selecting the oil tea that obtains, treat to remove shell behind the oil-tea camellia husks season crack, obtain tea seed; The tea seed of removing behind the oil-tea camellia husks adopts method for far-infrared drying to carry out drying, and process conditions are 55 ℃ of baking temperatures, radiant power 2000W, radiation length 120mm, loading density 4kg/m 2, dry 45min makes the moisture of tea seed reach 8.5%.Normal temperature, storage is after 4 months under relative humidity 70% condition, tea seed goes mouldy and the insect pest pathology, camellia seed oil acid value that obtains and peroxide value are respectively only than increasing 0.46mgKOH/g and 1.27mmol/kg before the storage, the tea seed storage stability height of handling through this method is described, the crude oil quality better.
Embodiment 2
The green oil tea fruit of gathering through selecting, is removed impurity such as the earth that is mingled with in the oil tea fruit, sandstone and gone mouldy and the oil tea fruit of disease and pest; Really placed under the Exposure to Sunlight 1~2 day selecting the oil tea that obtains, treat to remove shell behind the oil-tea camellia husks season crack, obtain tea seed; The tea seed of removing behind the oil-tea camellia husks adopts method for far-infrared drying to carry out drying, and process conditions are 75 ℃ of baking temperatures, radiant power 3000W, radiation length 100mm, loading density 2kg/m 2, dry 15min makes the moisture of tea seed reach 8%.Normal temperature, storage is after 4 months under relative humidity 70% condition, tea seed goes mouldy and the insect pest pathology, camellia seed oil acid value that obtains and peroxide value are respectively only than increasing 0.23mgKOH/g and 0.83mmol/kg before the storage, the tea seed storage stability height of handling through this method is described, the crude oil quality better.

Claims (7)

1. method for drying oil-tea camellia seed, with the fresh oil tea of gathering really through after selecting removal of impurities, carry out far-infrared ray drying, it is characterized in that described drying is that the tea seed that obtains shelling naturally through oil tea fruit after the short-term Exposure to Sunlight is tiled in and is dried to water content in the far-infrared dryer and is lower than safe storage moisture (9%).
2. drying means according to claim 1 is characterized in that may further comprise the steps:
(1) the green oil tea fruit of gathering is selected, removal of impurities, removed stone, remove mud;
(2) tea fruit after will selecting was placed under the Exposure to Sunlight condition 1~2 day, treated to remove oil-tea camellia husks sort out tea seed behind the tea fruit season crack;
(3) adopt the dry tea seed of method for far-infrared drying, be dried to tea seed safe storage moisture below 9%.
3. method for drying oil-tea camellia seed according to claim 1 and 2 is characterized in that described far-infrared ray drying temperature is 40~80 ℃.
4. method for drying oil-tea camellia seed according to claim 1 and 2, the radiant power that it is characterized in that described far-infrared ray drying is 1000~3000W.
5. method for drying oil-tea camellia seed according to claim 1 and 2, the radiation length that it is characterized in that described far-infrared ray drying is 100~200mm.
6. method for drying oil-tea camellia seed according to claim 1 and 2, be 10~120min the drying time that it is characterized in that described far-infrared ray drying.
7. method for drying oil-tea camellia seed according to claim 1 and 2, the loading density that it is characterized in that described far-infrared ray drying is 2~6kg/m 2
CN 201110112357 2011-05-03 2011-05-03 Far infrared method for drying seeds of Camellia oleifera Abel Pending CN102177979A (en)

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CN 201110112357 CN102177979A (en) 2011-05-03 2011-05-03 Far infrared method for drying seeds of Camellia oleifera Abel

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Application Number Priority Date Filing Date Title
CN 201110112357 CN102177979A (en) 2011-05-03 2011-05-03 Far infrared method for drying seeds of Camellia oleifera Abel

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CN102177979A true CN102177979A (en) 2011-09-14

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1244347A (en) * 1998-12-31 2000-02-16 孔令和 Automatically-controlled sealed far infrared roaster
CN2489280Y (en) * 2001-06-22 2002-05-01 艾道寰 Far infrared electrothermal pulse pneumatic drier for drying unginned cotton
CN101899358A (en) * 2010-06-08 2010-12-01 华南农业大学 Method for drying oil-tea camellia seed

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1244347A (en) * 1998-12-31 2000-02-16 孔令和 Automatically-controlled sealed far infrared roaster
CN2489280Y (en) * 2001-06-22 2002-05-01 艾道寰 Far infrared electrothermal pulse pneumatic drier for drying unginned cotton
CN101899358A (en) * 2010-06-08 2010-12-01 华南农业大学 Method for drying oil-tea camellia seed

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
《中国油茶栽培与病虫害防治》 20090531 束庆龙 等 油茶果实的综合利用 中国林业出版社 142-148 1-7 , 第1版 *
《油茶栽培及茶籽油制取》 20061231 彭阳生 等 油茶籽的预处理 金盾出版社 158-164 1-7 , 第1版 *

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Application publication date: 20110914