CN114376195B - Whole flax seedling powder rich in secoisolariciresinol and production method thereof - Google Patents
Whole flax seedling powder rich in secoisolariciresinol and production method thereof Download PDFInfo
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- CN114376195B CN114376195B CN202210081568.5A CN202210081568A CN114376195B CN 114376195 B CN114376195 B CN 114376195B CN 202210081568 A CN202210081568 A CN 202210081568A CN 114376195 B CN114376195 B CN 114376195B
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- 241000208202 Linaceae Species 0.000 title claims abstract description 47
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- 239000000843 powder Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- OGFXBIXJCWAUCH-UHFFFAOYSA-N meso-secoisolariciresinol Natural products C1=2C=C(O)C(OC)=CC=2CC(CO)C(CO)C1C1=CC=C(O)C(OC)=C1 OGFXBIXJCWAUCH-UHFFFAOYSA-N 0.000 title claims abstract description 8
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- MJYQFWSXKFLTAY-OVEQLNGDSA-N (2r,3r)-2,3-bis[(4-hydroxy-3-methoxyphenyl)methyl]butane-1,4-diol;(2r,3r,4s,5s,6r)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O.C1=C(O)C(OC)=CC(C[C@@H](CO)[C@H](CO)CC=2C=C(OC)C(O)=CC=2)=C1 MJYQFWSXKFLTAY-OVEQLNGDSA-N 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 8
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 8
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- 238000007710 freezing Methods 0.000 claims description 6
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- 229910052782 aluminium Inorganic materials 0.000 claims description 3
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 6
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- 239000002994 raw material Substances 0.000 abstract description 5
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- 238000012545 processing Methods 0.000 abstract description 3
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- 235000018734 Sambucus australis Nutrition 0.000 abstract 2
- 244000180577 Sambucus australis Species 0.000 abstract 2
- 235000013402 health food Nutrition 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- SBVBJPHMDABKJV-PGCJWIIOSA-N secoisolariciresinol diglucoside Chemical compound C1=C(O)C(OC)=CC(C[C@@H](CO[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](CO[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)CC=2C=C(OC)C(O)=CC=2)=C1 SBVBJPHMDABKJV-PGCJWIIOSA-N 0.000 description 25
- SBVBJPHMDABKJV-UHFFFAOYSA-N secoisolariciresinol diglycoside Natural products C1=C(O)C(OC)=CC(CC(COC2C(C(O)C(O)C(CO)O2)O)C(COC2C(C(O)C(O)C(CO)O2)O)CC=2C=C(OC)C(O)=CC=2)=C1 SBVBJPHMDABKJV-UHFFFAOYSA-N 0.000 description 25
- 229930013686 lignan Natural products 0.000 description 7
- 235000009408 lignans Nutrition 0.000 description 7
- 150000005692 lignans Chemical class 0.000 description 7
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- 150000001413 amino acids Chemical class 0.000 description 3
- 235000013325 dietary fiber Nutrition 0.000 description 3
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- 230000036541 health Effects 0.000 description 3
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- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 244000269722 Thea sinensis Species 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
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- 238000006467 substitution reaction Methods 0.000 description 2
- TWCMVXMQHSVIOJ-UHFFFAOYSA-N Aglycone of yadanzioside D Natural products COC(=O)C12OCC34C(CC5C(=CC(O)C(O)C5(C)C3C(O)C1O)C)OC(=O)C(OC(=O)C)C24 TWCMVXMQHSVIOJ-UHFFFAOYSA-N 0.000 description 1
- PLMKQQMDOMTZGG-UHFFFAOYSA-N Astrantiagenin E-methylester Natural products CC12CCC(O)C(C)(CO)C1CCC1(C)C2CC=C2C3CC(C)(C)CCC3(C(=O)OC)CCC21C PLMKQQMDOMTZGG-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000665629 Linum flavum Species 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229930002875 chlorophyll Natural products 0.000 description 1
- 235000019804 chlorophyll Nutrition 0.000 description 1
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 229930003944 flavone Natural products 0.000 description 1
- 235000011949 flavones Nutrition 0.000 description 1
- 150000002213 flavones Chemical class 0.000 description 1
- PFOARMALXZGCHY-UHFFFAOYSA-N homoegonol Natural products C1=C(OC)C(OC)=CC=C1C1=CC2=CC(CCCO)=CC(OC)=C2O1 PFOARMALXZGCHY-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
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- 239000013067 intermediate product Substances 0.000 description 1
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- 230000003871 intestinal function Effects 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L25/00—Food consisting mainly of nutmeat or seeds; Preparation or treatment thereof
- A23L25/30—Mashed or comminuted products, e.g. pulp, pastes, meal, powders; Products made therefrom, e.g. blocks, flakes, snacks; Liquid or semi-liquid products
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Environmental Sciences (AREA)
- Mycology (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a full powder of flax seedlings rich in secoisolariciresinol and a production method thereof, belonging to the technical field of food processing, flax seeds are planted in hydrogen-rich water, and mixed aqueous solution of NaCl and gamma-polyglutamic acid is used for spraying and sprouting to enrich the flax seedlings with SECO; the flax seedling is taken as a raw material, and is prepared by vacuum freeze-drying, supersonic jet milling, sterilization and packaging. The product is suitable for industrial production, the SECO content in the product can reach 150-400 mg/100 g, and the product is a health food with edible safety.
Description
Technical Field
The invention relates to full flax seedling powder rich in secoisolariciresinol SECO and a production method thereof, belonging to the technical field of food processing.
Background
Germination is an important means for improving the nutritional value and the functional property of plant seeds with innocuity and low cost. Many physiological metabolism changes occur after the grains absorb water and germinate, and simultaneously complicated biochemical metabolism is carried out, so that the nutrition components of the grains are improved, original harmful substances or anti-nutrition substances are reduced or eliminated, and functional active components are enriched. After the flaxseed is germinated, cyanide content is reduced, and the contents of polyphenols such as amino acids, vitamin C, minerals, lignans, and flavones are increased, so that physiological effects are enhanced. The main existing form of lignan in the flax seed is ring-opened Secoisolariciresinol Diglucoside (SDG), and the secoisolariciresinol diglucoside (SECO) is converted into an intermediate product through intestinal bacteria to be absorbed and utilized by human bodies, and the SDG can be partially and directly converted into the aglycone form-SECO in the germination process.
At present, research on flax lignans at home and abroad is mainly focused on extraction and purification processes, wherein cake pulp after flax seeds are extracted or shell-rich parts after shelling are generally used as raw materials, lignans are obtained through enzymolysis or acid-base hydrolysis, and the extraction process is complex, so that the lignans have higher cost. The method utilizes the characteristics of growth and development of plants to enrich lignans, is simple and easy to operate, greatly reduces the production cost, is safe and reliable, and is convenient to eat. Currently, flax sprouts have been brought into the green food sprout vegetables by the agricultural sector, but related studies have relatively lagged. Patent (publication number CN 110199613A, publication date 2019, 9, 6) discloses a cultivation method of high-calcium nutrition flax sprouts and a special seed soaking method thereof, patent (publication number CN 110199614A, publication date 2019, 9, 6) discloses a cultivation method of selenium-rich nutrition flax sprouts, patent (publication number CN 110352657A, publication date 2019, 10, 22) discloses a cultivation method of zinc-rich nutrition flax sprouts, and the method belongs to the agricultural field, and SECO is not mentioned only for specific minerals; the patent (publication No. CN 110463523A, publication No. 2019, 11, 19) discloses a cultivation method for improving the accumulation of lignans of flax sprouts, which belongs to the technical field of flax sprout cultivation, and only flax sprouts with higher SDG content are cultivated, but are not directionally converted into SECO; patent (publication No. CN 104544350A, publication No. 2015, 4 and 29) discloses a production method of flax seed bud powder, which relates to the technical field of flax processing, flax seed buds are obtained after dormancy is removed, flax seed bud powder is obtained after enzyme deactivation and drying, and SECO is enriched by utilizing the growth and development characteristics of plants without adopting a certain means.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide the full flax seedling powder rich in SECO and the production method thereof. The product is rich in beneficial components such as amino acid, vitamin, mineral substances, SECO and the like, and the whole seedlings are crushed and rich in dietary fibers, so that the health care function of the whole flax seedling powder is greatly improved.
In order to solve the technical problems, the invention adopts the following technical scheme: the flax seeds are planted in hydrogen-rich water at a certain temperature, mixed aqueous solution of NaCl and gamma-polyglutamic acid is used for spraying and sprouting, so that flax seedlings are enriched with SECO, and the flax seeds are subjected to vacuum freeze drying, supersonic jet milling, sterilization and packaging to obtain the flax seed tea, wherein the flax seed tea is prepared by the following steps of:
(1) Spray germination
A. Selecting raw materials: selecting brown flax or golden flax with plump grain, no plant diseases and insect pests and germination rate of more than 95% as raw materials;
B. sterilizing and soaking: after being washed by deionized water, the mixture is placed in 0.5% -0.8% (v/v) NaClO aqueous solution for soaking and disinfection for 10-15 min, and then the mixture is washed by deionized water until the pH is neutral; h is introduced into distilled water by a pure water hydrogen generator 2 To make H in hydrogen-rich water 2 The concentration of the flax seeds reaches 0.1-0.4 mmol/L, the flax seeds are soaked in hydrogen-rich water for 4-5 h, the temperature is 15-30 ℃, and the flax fully absorbs water;
C. spraying and sprouting: washing the fully water-absorbed flax seeds, then placing the flax seeds into a germination machine, spraying clean water for germination for 1-3 d, wherein the conditions are as follows: the germination temperature is 20-35 ℃ and the darkness is achieved; then spraying a mixed aqueous solution of 40-120 mmol/L NaCl and 0.5-3 g/L gamma-polyglutamic acid, and growing for 3-7 d under the illumination condition; the conditions are as follows: the germination temperature is 15-25 ℃, the illumination is 12 h and the darkness is 12 h every day, and the illumination/darkness is alternately carried out;
(2) Preparing seedling powder: selecting flax seedlings with the seedling length of 6-10 cm, cleaning, and removing surface clear water by using a hydro-extracting cage; quick-freezing flax seedlings at-120 to-196 ℃ for 1.0 to 3.0 hours, then placing the flax seedlings in a tray of a freeze dryer, setting the temperature to-50 to-90 ℃, freezing for 10 to 15 minutes, vacuumizing to 1.0 to 6.0 Pa, and freeze-drying for 18 to 30 hours; adjusting the air flow pressure and the clean air temperature, and obtaining 400-1000 mesh flax seedling whole powder by utilizing a supersonic air flow crushing technology;
(3) Sterilizing and packaging: microwave sterilization is adopted, the output power is 50-100 KW, and the time is 5-10 min; and packaging with vacuum aluminum foil, checking with X-ray machine, and packaging.
The invention has the following beneficial effects:
(1) In the invention, flaxseeds are planted in hydrogen-rich water, mixed aqueous solution of NaCl and gamma-polyglutamic acid is used for spraying and sprouting, relevant endogenous enzymes are activated, SECO is enriched, and the health care function of the whole flaxseed powder is improved. The product is rich in beneficial components such as amino acid, vitamin, mineral substances, SECO and the like, and the whole seedlings are crushed and rich in dietary fibers, so that the health care function of the whole flax seedling powder is greatly improved.
(2) The invention adopts a unique bioconversion technology, and the prepared flax seedling whole powder is rich in health-care components such as SECO and the like, thereby being beneficial to oxidation resistance of human bodies and improving immunity; the content of the soluble dietary fiber is high, which is beneficial to regulating intestinal functions.
(3) The invention adopts the vacuum freeze drying technology, the active ingredients such as vitamin, chlorophyll and the like in the raw materials are reserved to the greatest extent, and simultaneously, the grinding, classification and collection are integrated by utilizing the supersonic jet grinding technology, so that the product has fine powder quality and obviously improved edible quality.
(4) The production of the invention is not limited by seasons, climates and regions, and the utilization rate of agricultural resources is high; and the production technology is advanced and scientific, and is environment-friendly.
Drawings
FIG. 1 is H 2 Influence of concentration on the SECO content of the whole flax sprout powder;
FIG. 2 is the effect of NaCl concentration on the SECO content of flax sprout whole meal;
FIG. 3 shows the effect of gamma-polyglutamic acid concentration on the SECO content of whole flax sprout powder.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that the following examples are intended to illustrate the present invention and are not to be construed as limiting the scope of the invention, and that numerous insubstantial modifications and adaptations can be made by those skilled in the art in light of the foregoing disclosure.
Example 1
(1) Selecting plump and pest-free flaxseed, soaking in 0.5% (v/v) NaClO water solution for sterilizing for 15 min, cleaning, and standing at 20deg.C for H 2 Soaking 4. 4 h in distilled water with the concentration of 0.3 mmol/L, transferring into a germination machine, spraying clean water at 20 ℃ in the dark for germination of 3d, and spraying mixed aqueous solution of 60 mmol/L NaCl and 1.0 g/L gamma-polyglutamic acid at 22 ℃ for germination of 5 d, wherein the conditions are that illumination 12 h and darkness 12 h are alternated;
(2) Selecting flax seedlings with the seedling length of 9 cm, cleaning, removing surface clear water by a hydro-extracting machine, quick-freezing at-120 to-196 ℃ for 1.0-3.0 h, placing in a tray of a freeze dryer, setting the temperature to-50 to-90 ℃, freezing for 10-15 min, vacuumizing to 1.0-6.0 Pa, and freeze-drying for 18-30 h; taking out, and obtaining 400-1000 mesh flax seedling whole powder by using a supersonic jet milling technology;
(3) Microwave sterilization is adopted, the output power is 50-100 KW, and the time is 5-10 min; and then packaging by using vacuum aluminum foil, checking by using an X-ray machine, and carrying out external packaging after no abnormality.
The SECO content in the product prepared by the embodiment can reach 380 mg/100 g.
Example 2
(1) Selecting plump and pest-free flaxseed, soaking in 0.6% (v/v) NaClO water solution for 13 min, cleaning, and standing at 25deg.C for H 2 Soaking 4. 4 h in distilled water with the concentration of 0.2 mmol/L, transferring into a germination machine, spraying clean water at the temperature of 25 ℃ in the dark for germination of 2 d, and spraying mixed aqueous solution of 80 mmol/L NaCl and 1.5 g/L gamma-polyglutamic acid at the temperature of 18 ℃ for germination of 6 d, wherein the conditions are that light 12 h and dark 12 h are alternated;
(2) Selecting flax seedlings with seedling length of 8 cm, and preparing flax seedling whole powder by the same method as in the step (2) of the embodiment 1;
(3) The sterilization and packaging modes are the same as in the step (3) of the embodiment 1.
The SECO content in the product prepared by the embodiment can reach 320 mg/100 g.
Example 3
(1) Selecting plump and pest-free flaxseed, soaking in 0.7% (v/v) NaClO water solution for sterilizing for 11 min, cleaning, and standing at 30deg.C for H 2 Soaking 5. 5 h in distilled water with the concentration of 0.15 mmol/L, transferring into a germination machine, spraying clean water at the temperature of 30 ℃ in the dark for germination of 3d, and spraying mixed aqueous solution of 100 mmol/L NaCl and 2.0 g/L gamma-polyglutamic acid at the temperature of 20 ℃ for germination of 4 d, wherein the conditions are that illumination 12 h and darkness 12 h are alternated;
(2) Selecting flax seedlings with seedling length of 6 cm, and preparing flax seedling whole powder by the same method as in the step (2) of the example 1;
(3) The sterilization and packaging modes are the same as in the step (3) of the embodiment 1.
The SECO content in the product prepared by the embodiment can reach 250 mg/100 g.
The results are shown as H in FIG. 1 2 The effect of concentration on the SECO content of whole flax sprout powder is achieved by soaking selected flax seeds in 0.5% (v/v) NaClO water solution for 15 min, cleaning, and standing at 25deg.C for a series of H 2 Soaking 5. 5 h in distilled water with concentration (see figure 1), transferring into germination machine, and spraying with clear water at 25deg.C for germination 8. 8 d under the condition of illumination 12. 12 h/darkness 12. 12 h alternately; flax seedlings with seedling length of 8 cm are selected, and the whole flax seedling powder manufacturing method is the same as in example 1; the sterilization and packaging modes are the same as in example 1.
As shown in FIG. 2, the effect of NaCl concentration on the SECO content of whole flax sprout powder is shown, the culture condition is that selected flax seeds are soaked in 0.5% (v/v) NaClO aqueous solution for sterilization for 15 min, and washed and then placed at 25deg.C for H 2 Soaking 5. 5 h in distilled water with concentration of 0.3 mmol/L, transferring into a germination machine, spraying clean water at 25deg.C in the dark for germination 2 d, and spraying NaCl water solution at 25deg.C for germination 6 d with different concentration, provided that light 12 h/dark 12 h are alternated; flax seedlings with seedling length of 8 cm are selected, and the whole flax seedling powder manufacturing method is the same as in example 1; the sterilization and packaging modes are the same as in example 1.
As shown in FIG. 3, the effect of gamma-polyglutamic acid concentration on the SECO content of whole flax sprout powder is shown, the culture condition is that selected flax seeds are soaked in 0.5% (v/v) NaClO aqueous solution for sterilization for 15 min, washed and then placed at 25deg.C for H 2 Soaking 5. 5 h in distilled water with concentration of 0.3 mmol/L, transferring into a germination machine, spraying clean water at 25deg.C in the dark for germination 2 d, and spraying 60 mmol/L NaCl water solution and gamma-polyglutamic acid with different concentrations at 25deg.C for germination 6 d, provided that light 12 h/dark 12 h are alternated; flax seedlings with seedling length of 8 cm are selected, and the whole flax seedling powder manufacturing method is the same as in example 1; the sterilization and packaging modes are the same as in example 1.
The embodiments of the present invention have been described in detail above, but this is merely an example for the convenience of understanding and should not be construed as limiting the scope of the invention. Likewise, any person skilled in the art can make various equivalent changes or substitutions according to the technical solution of the present invention and the description of the preferred embodiments thereof, but all such changes or substitutions shall fall within the scope of the claims of the present invention.
Claims (1)
1. A production method of full-powder of flax seedlings rich in secoisolariciresinol comprises the following steps:
(1) Selecting plump and pest-free flaxseed, soaking in 0.5% NaClO water solution for 15 min, cleaning, and standing at 20deg.C for H 2 Soaking 4. 4 h in distilled water with the concentration of 0.3 mmol/L, transferring into a germination machine, spraying clean water in the dark at 20 ℃ for germination for 3d, and spraying mixed aqueous solution of 60 mmol/L NaCl and 1.0 g/L gamma-polyglutamic acid at 22 ℃ for germination for 5 d, wherein the conditions are that illumination 12 h/darkness 12 h are alternated;
(2) Selecting flax seedlings with the seedling length of 9 cm, cleaning, removing surface clear water by a hydro-extracting machine, quick-freezing at-120 to-196 ℃ for 1.0-3.0 h, placing in a tray of a freeze dryer, setting the temperature to-50 to-90 ℃, freezing for 10-15 min, vacuumizing to 1.0-6.0 Pa, and freeze-drying for 18-30 h; taking out, and obtaining 400-1000 mesh flax seedling whole powder by using a supersonic jet milling technology;
(3) Microwave sterilization is adopted, the output power is 50-100 KW, and the time is 5-10 min; packaging with vacuum aluminum foil, checking with X-ray machine, and packaging after no abnormality; the content of the secoisolariciresinol in the product reaches 380 mg/100 g.
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Address after: 450002 No. 95, Wenhua Road, Jinshui District, Henan, Zhengzhou Patentee after: HENAN AGRICULTURAL University Patentee after: Henan forest holiday food technology development Co.,Ltd. Patentee after: Henan Tangxi Hydrophilic Colloid Technology Co.,Ltd. Address before: 450002 No. 95, Wenhua Road, Jinshui District, Henan, Zhengzhou Patentee before: HENAN AGRICULTURAL University Patentee before: Henan forest holiday food technology development Co.,Ltd. Patentee before: Henan Tangxi hydrocolloid Research Institute Co.,Ltd. |
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