CN103320212A - Preparation method of aromatic cold-pressed peanut oil - Google Patents
Preparation method of aromatic cold-pressed peanut oil Download PDFInfo
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- CN103320212A CN103320212A CN2013102657422A CN201310265742A CN103320212A CN 103320212 A CN103320212 A CN 103320212A CN 2013102657422 A CN2013102657422 A CN 2013102657422A CN 201310265742 A CN201310265742 A CN 201310265742A CN 103320212 A CN103320212 A CN 103320212A
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Abstract
The invention relates to a preparation method of aromatic cold-pressed peanut oil, which comprises the following steps: performing superhigh-temperature stir-frying on cold-pressed peanut pulp used as a raw material to ensure that the inner part is further to Maillard reaction, thus generating peculiar flavor substances of hot-pressed peanut oil; and mixing the stir-fried peanut pulp with peanuts used as raw materials, and pressing at 60 DEG C. The aroma substances of the prepared aromatic cold-pressed peanut oil are basically the same with the fragrance substances in peanut oil prepared by a hot pressing method in the content, variety and flavor. The method solves the problem that the cold-pressed peanut oil has insufficient fragrance, improves the receiving degree of consumers, and effectively keeps nutrient contents in the peanuts such as vitamin E, polyunsaturated fatty acid and the like. The existing production line does not need to be reconstructed according to the technology, and the technology is suitable for large-scale application.
Description
Technical field
The present invention relates to cold press peanut oil technical field, particularly relate to a kind of preparation method of giving off a strong fragrance cold press peanut oil.
Background technology
Peanut oil is a kind of Vegetable oil lipoprotein take peanut as waste, and it is nutritious, wherein contains abundant unsaturated fatty acids, vitamin-E, trans-resveratrol, β-sitosterol etc.The extracting process of the present peanut oil of China has two classes: hot moulding method and cold-press.
The peanut oil manufacturing enterprise of China more than 90% all adopts the hot moulding method at present.In the standby process of hot moulding legal system, in the peanut tissue Maillard reaction having occured, made the peanut oil of preparation have strong fragrance, has catered to consumer demand.But the conditions such as the high temperature in the hot moulding technological process, high pressure and organic solvent processing, protein in the peanut, vitamin-E and long-chain unsaturated fatty acid are had a negative impact, and such as Semen arachidis hypogaeae protein generation deactivation, nutritive value reduces, can only be used for producing feed, per ton only selling about 2500 yuan; The vitamin-E structure is destroyed, and loses anti-oxidant activity; Long-chain unsaturated fatty acid decomposes, and produces the harmful materials such as organic aldehyde, organic acid.
In order to keep the nutritive value of peanut oil, improve the Semen arachidis hypogaeae protein utilization ratio, developed at present the peanut cold pressing process, to improve the quality of peanut oil.Compare with the hot moulding oil extracting process, because peanut oil is squeezed out under lower temperature condition, therefore, phospholipids content is low, does not need refining, and energy consumption is low, can keep more completely nutritive ingredient and the bioactive ingredients of peanut.The mode of squeezing of peanut oil is changed to cold press by hot moulding just gradually at present.But because the cold pressing process temperature is relatively low, Maillard reaction does not occur, cause pressed oil not have hot moulding fragrance that peanut oil has, be difficult for being accepted by the human consumer.
Summary of the invention
Purpose of the present invention is exactly the preparation method that a kind of giving off a strong fragrance cold press peanut oil is provided for the defective of above-mentioned existence.Take the cold press peanut meal as raw material, by the high temperature frying, make its inner Maillard reaction that occurs, the Heat of Formation distinctive flavour substances that expresses oil from peanuts.The peanut meal after the frying is mixed with peanut raw material again, squeeze under 60 ℃, content, kind, the local flavor of the fragrance matter in the aroma substance that the giving off a strong fragrance cold press peanut oil of preparation the has peanut oil standby with adopting the hot moulding legal system are basic identical.This method has solved the problem of cold press peanut oil insufficient fragrance, has improved human consumer's acceptance, has effectively kept the nutritive ingredients such as the vitamin-E in the peanut, polyunsaturated fatty acid simultaneously.This technology need not existing production line is transformed, and is fit to large-scale application.
Preparation method's technical scheme of a kind of giving off a strong fragrance cold press peanut oil of the present invention is, the cold press peanut meal by the high temperature frying, is mixed the peanut meal after the frying again with peanut, carries out cold press, prepares cold press peanut oil.
Peanut meal after the frying adds in the peanut for the treatment of cold press with the ratio of 10%-30%.
Specifically may further comprise the steps:
(1) pulverizing of peanut and cold press peanut meal: tentatively pulverize with Semen arachidis hypogaeae with the cold press peanut meal that cold pressing process produces respectively;
(2) frying of cold press peanut meal: above-mentioned peanut meal is joined in the cooking pot, be heated to 100 ℃-180 ℃, be 20min-60min heat-up time;
(3) mixing of peanut meal and peanut raw material: with the peanut meal after the frying, with the ratio of 10%-30%, add in the Semen arachidis hypogaeae for the treatment of cold press, and stir 10min-20min, the peanut meal of frying and the Semen arachidis hypogaeae of pulverizing are mixed;
(4) cold press: mixed raw material is carried out modified, cold press obtains the cold press crude peanut oil;
(5) crude oil is filtered, obtain giving off a strong fragrance cold press peanut oil.
Peanut meal is crushed to the fragment that diameter is 0.2-2cm in the step (1), and Semen arachidis hypogaeae is pulverized and is the 6-8 lobe.
The cold press temperature is not for being higher than 60 ℃ in the step (4).Mixed raw material is carried out modified, moisture reaches 5%-9%.
In the step (5), crude oil is filtered, adopt plate filter.
In the preferred step (3), with the peanut meal after the frying, the ratio with 20% is added in the Semen arachidis hypogaeae for the treatment of cold press.
Beneficial effect of the present invention is: the cold press peanut meal is the peanut meal that produces after the peanut cold press, and wherein protein content is at 50%-60%, polysaccharide content approximately 30%.The cold press peanut meal is carried out the high temperature frying, make it produce hot moulding flavour substances that peanut oil has, then with the peanut meal of frying and treat that the peanut raw material of cold press mixes, under 60 ℃, squeeze again, and then prepare peanut oil.
The present invention utilizes the cold press peanut meal to be raw material, and wide material sources and cost are lower; Possessed the giving off a strong fragrance of hot moulding peanut oil with the standby cold press peanut oil of this legal system, human consumer's acceptance is high; This squeezing process has kept the nutritive ingredients such as the E that supports one's family in the peanut, polyunsaturated fatty acid well; 70% is low sex change cold press albumen in the peanut meal that produces after the squeezing, by can removing the serious high temperature frying albumen of sex change behind the simple dissolution filter, and then the product such as exploitation peanut concentrated protein.
Embodiment:
In order to understand better the present invention, the below describes technical scheme of the present invention in detail with specific examples, but the present invention is not limited thereto.
Embodiment 1
(1) pulverizing of peanut and cold press peanut meal: the cold press peanut meal that produces take cold pressing process tentatively is crushed to the fragment that diameter is 0.5cm as raw material; Semen arachidis hypogaeae is pulverized and is the 6-8 lobe.
(2) frying of cold press peanut meal: above-mentioned peanut meal is joined in the cooking pot, be heated to 160 ℃, be 30min heat-up time.
(3) mixing of peanut meal and peanut raw material: with the peanut meal after the frying, the ratio with 20% is added in the Semen arachidis hypogaeae for the treatment of cold press, and stirs 15min, and the peanut meal of frying and peanut raw material are mixed.
(4) cold press: mixed raw material is carried out modified, make overall moisture reach 7%, and under 60 ℃, squeeze, obtain the cold press crude peanut oil.
(5) adopt plate filter that crude oil is filtered, namely obtain giving off a strong fragrance cold press peanut oil.
Embodiment 2
(1) pulverizing of peanut and cold press peanut meal: the cold press peanut meal that produces take cold pressing process tentatively is crushed to the fragment that diameter is 0.8cm as raw material; Semen arachidis hypogaeae is pulverized and is the 6-8 lobe.
(2) frying of cold press peanut meal: above-mentioned peanut meal is joined in the cooking pot, be heated to 140 ℃, be 30min heat-up time.
(3) mixing of peanut meal and peanut raw material: with the peanut meal after the frying, the ratio with 20% is added in the Semen arachidis hypogaeae for the treatment of cold press, and stirs 15min, and the peanut meal of frying and peanut raw material are mixed.
(4) cold press: mixed raw material is carried out modified, make overall moisture reach 6%, and squeeze at 50 ℃, obtain the cold press crude peanut oil.
(5) adopt plate filter that crude oil is filtered, namely obtain giving off a strong fragrance cold press peanut oil.
Embodiment 3
(1) pulverizing of peanut and cold press peanut meal: the cold press peanut meal that produces take cold pressing process tentatively is crushed to the fragment that diameter is 0.5cm as raw material; Semen arachidis hypogaeae is pulverized and is the 6-8 lobe.
(2) frying of cold press peanut meal: above-mentioned peanut meal is joined in the cooking pot, be heated to 160 ℃, be 35min heat-up time.
(3) mixing of peanut meal and peanut raw material: with the peanut meal after the frying, the ratio with 25% is added in the Semen arachidis hypogaeae for the treatment of cold press, and stirs 20min, and the peanut meal of frying and peanut raw material are mixed.
(4) cold press: mixed raw material is carried out modified, make overall moisture reach 8%, and squeeze at 55 ℃, obtain the cold press crude peanut oil.
(5) adopt plate filter that crude oil is filtered, namely obtain giving off a strong fragrance cold press peanut oil.
Embodiment 4
(1) pulverizing of peanut and cold press peanut meal: the cold press peanut meal that produces take cold pressing process tentatively is crushed to the fragment that diameter is 1cm as raw material; Semen arachidis hypogaeae is pulverized and is the 6-8 lobe.
(2) frying of cold press peanut meal: above-mentioned peanut meal is joined in the cooking pot, be heated to 120 ℃, be 40min heat-up time.
(3) mixing of peanut meal and peanut raw material: with the peanut meal after the frying, the ratio with 15% is added in the Semen arachidis hypogaeae for the treatment of cold press, and stirs 10min, and the peanut meal of frying and peanut raw material are mixed.
(4) cold press: mixed raw material is carried out modified, make overall moisture reach 9%, and squeeze at 55 ℃, obtain the cold press crude peanut oil.
(5) adopt plate filter that crude oil is filtered, namely obtain giving off a strong fragrance cold press peanut oil.
Embodiment 5
(1) pulverizing of peanut and cold press peanut meal: the cold press peanut meal that produces take cold pressing process tentatively is crushed to the fragment that diameter is 1.5cm as raw material; Semen arachidis hypogaeae is pulverized and is the 6-8 lobe.
(2) frying of cold press peanut meal: above-mentioned peanut meal is joined in the cooking pot, be heated to 180 ℃, be 20min heat-up time.
(3) mixing of peanut meal and peanut raw material: with the peanut meal after the frying, the ratio with 30% is added in the Semen arachidis hypogaeae for the treatment of cold press, and stirs 20min, and the peanut meal of frying and peanut raw material are mixed.
(4) cold press: mixed raw material is carried out modified, make overall moisture reach 5%, and squeeze at 59 ℃, obtain the cold press crude peanut oil.
(5) adopt plate filter that crude oil is filtered, namely obtain giving off a strong fragrance cold press peanut oil.
Embodiment 6
The cold press peanut oil of producing among the embodiment 1-5 is detected, and detection method adopts the routine techniques means to realize, do not repeat them here, the result asks for an interview table 1:
Table 1
By as seen from Table 1, the peanut oil oil yield of embodiment 1-5 all reaches 26%-28%, and the oil yield when not mixing peanut meal is basic identical.Find after the peanut oil physico-chemical property of preparation detected, content of vitamin E and content of polyunsaturated fatty acid all with the peanut oil of traditional cold pressing process preparation in close, obviously reduction appears.In addition, the peanut oil of preparation has strong hot moulding peanut oil fragrance; Find after adopting purge and trap and GC-MS to analyze, detected peanut odour characteristics flavour substances 2 in the prepared peanut oil, 5-dimethylpyrazine etc.This shows, this invention when improving cold press peanut oil fragrance, to oil yield, peanut oil physico-chemical property etc. without negative impact.
Claims (9)
1. the preparation method of a giving off a strong fragrance cold press peanut oil is characterized in that, the cold press peanut meal by the high temperature frying, is mixed the peanut meal after the frying again with peanut, carries out cold press, preparation cold press peanut oil.
2. the preparation method of a kind of giving off a strong fragrance cold press peanut oil according to claim 1 is characterized in that, the peanut meal after the frying adds in the peanut for the treatment of cold press with the ratio of 10%-30%.
3. the preparation method of a kind of giving off a strong fragrance cold press peanut oil according to claim 1 is characterized in that, may further comprise the steps:
(1) pulverizing of peanut and cold press peanut meal: tentatively pulverize with Semen arachidis hypogaeae with the cold press peanut meal that cold pressing process produces respectively;
(2) frying of cold press peanut meal: above-mentioned peanut meal is joined in the cooking pot, be heated to 100 ℃-180 ℃, be 20min-60min heat-up time;
(3) mixing of peanut meal and peanut raw material: with the peanut meal after the frying, with the ratio of 10%-30%, add in the Semen arachidis hypogaeae for the treatment of cold press, and stir 10min-20min, the peanut meal of frying and the Semen arachidis hypogaeae of pulverizing are mixed;
(4) cold press: mixed raw material is carried out modified, cold press obtains the cold press crude peanut oil;
(5) crude oil is filtered, obtain giving off a strong fragrance cold press peanut oil.
4. the preparation method of described a kind of giving off a strong fragrance cold press peanut oil according to claim 3 is characterized in that, peanut meal is crushed to the fragment that diameter is 0.2-2cm in the step (1).
5. the preparation method of a kind of giving off a strong fragrance cold press peanut oil according to claim 3 is characterized in that, Semen arachidis hypogaeae is pulverized and is the 6-8 lobe in the step (1).
6. the preparation method of a kind of giving off a strong fragrance cold press peanut oil according to claim 3 is characterized in that, the cold press temperature is not for being higher than 60 ℃ in the step (4).
7. the preparation method of a kind of giving off a strong fragrance cold press peanut oil according to claim 3 is characterized in that, in the step (4), mixed raw material is carried out modified, and moisture reaches 5%-9%.
8. the preparation method of a kind of giving off a strong fragrance cold press peanut oil according to claim 3 is characterized in that, in the step (5), crude oil is filtered, and adopts plate filter.
9. the preparation method of a kind of giving off a strong fragrance cold press peanut oil according to claim 3 is characterized in that, in the step (3), with the peanut meal after the frying, the ratio with 20% is added in the Semen arachidis hypogaeae for the treatment of cold press.
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| CN2013102657422A CN103320212A (en) | 2013-06-28 | 2013-06-28 | Preparation method of aromatic cold-pressed peanut oil |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103509646A (en) * | 2013-10-20 | 2014-01-15 | 丹阳市正大油脂有限公司 | Extraction manufacturing technology of peanut oil |
| CN103555413A (en) * | 2013-11-13 | 2014-02-05 | 长沙理工大学 | Method for increasing aroma of edible oil |
| CN112662462A (en) * | 2019-11-17 | 2021-04-16 | 海南海燕梦科技有限公司 | Preparation method of fragrant peanut oil |
| CN113528227A (en) * | 2020-04-14 | 2021-10-22 | 丰益(上海)生物技术研发中心有限公司 | Peanut oil preparation method and peanut oil |
| CN115141677A (en) * | 2022-07-28 | 2022-10-04 | 江南大学 | Preparation method of oil with lasting peanut flavor based on peanut meal |
| CN115678667A (en) * | 2022-10-24 | 2023-02-03 | 费县中粮油脂工业有限公司 | Method for preparing peanut flavor oil and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097463A (en) * | 1993-07-15 | 1995-01-18 | 曹县植物油厂 | The production technique of heavy fragrant peanut oil |
| CN1793305A (en) * | 2005-11-07 | 2006-06-28 | 李长东 | Tech., for producing protoecological peanut oil and cake dregs |
| CN102676289A (en) * | 2012-06-04 | 2012-09-19 | 山东省农业科学院农产品研究所 | Method for low temperature cold pressing of peanut oil |
-
2013
- 2013-06-28 CN CN2013102657422A patent/CN103320212A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097463A (en) * | 1993-07-15 | 1995-01-18 | 曹县植物油厂 | The production technique of heavy fragrant peanut oil |
| CN1793305A (en) * | 2005-11-07 | 2006-06-28 | 李长东 | Tech., for producing protoecological peanut oil and cake dregs |
| CN102676289A (en) * | 2012-06-04 | 2012-09-19 | 山东省农业科学院农产品研究所 | Method for low temperature cold pressing of peanut oil |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103509646A (en) * | 2013-10-20 | 2014-01-15 | 丹阳市正大油脂有限公司 | Extraction manufacturing technology of peanut oil |
| CN103555413A (en) * | 2013-11-13 | 2014-02-05 | 长沙理工大学 | Method for increasing aroma of edible oil |
| CN112662462A (en) * | 2019-11-17 | 2021-04-16 | 海南海燕梦科技有限公司 | Preparation method of fragrant peanut oil |
| CN113528227A (en) * | 2020-04-14 | 2021-10-22 | 丰益(上海)生物技术研发中心有限公司 | Peanut oil preparation method and peanut oil |
| CN113528227B (en) * | 2020-04-14 | 2024-02-02 | 丰益(上海)生物技术研发中心有限公司 | Preparation method of peanut oil and peanut oil |
| CN115141677A (en) * | 2022-07-28 | 2022-10-04 | 江南大学 | Preparation method of oil with lasting peanut flavor based on peanut meal |
| CN115678667A (en) * | 2022-10-24 | 2023-02-03 | 费县中粮油脂工业有限公司 | Method for preparing peanut flavor oil and application thereof |
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Application publication date: 20130925 |