CN105520153A - Method for extracting vitamins from guavas - Google Patents

Method for extracting vitamins from guavas Download PDF

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Publication number
CN105520153A
CN105520153A CN201510890297.8A CN201510890297A CN105520153A CN 105520153 A CN105520153 A CN 105520153A CN 201510890297 A CN201510890297 A CN 201510890297A CN 105520153 A CN105520153 A CN 105520153A
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China
Prior art keywords
guava
vitamin
guavas
method extracting
weight ratio
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Pending
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CN201510890297.8A
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Chinese (zh)
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黄涌芮
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Individual
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Individual
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Priority to CN201510890297.8A priority Critical patent/CN105520153A/en
Publication of CN105520153A publication Critical patent/CN105520153A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Medicines Containing Plant Substances (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The invention discloses a method for extracting vitamins from guavas. The method comprises the following steps of: (1) selecting the guavas, thoroughly cleaning the selected guavas, cutting the cleaned guavas in an extraction protective solvent, and removing seeds; (2) adding the flesh of the cut guavas and the extraction protective solvent in a vacuum pulping machine together, and pulping the guava flesh; (3) adding the pulp generated through pulping to a vacuum mixer to perform vacuum mixing; (4) filtering the materials obtained in the step (3) to obtain a filtrate, leaving the filtrate to stand for layering, and performing separation so as to obtain an organic phase; (5) adding water of which the pH is smaller than 7 to the organic phase obtained in the step (4), and performing vacuum mixing for 2 hours or more so as to obtain a solution; (6) leaving the solution to stand for layering, and performing separation so as to obtain an aqueous phase; and (7) performing vacuum concentration on the aqueous phase until the concentrated aqueous phase is dried, and performing freeze drying so as to obtain crude vitamin products. Through the adoption of the extraction method disclosed by the invention, the vitamins in the guavas can be extracted; the extraction method is simple, and is suitable for large-scale popularization and application; the content of the vitamins in extract is high.

Description

A kind of method extracting vitamin from guava
Technical field
The present invention relates to deep-processing technical field of agricultural products, particularly a kind of method extracting vitamin from guava.
Background technology
Vitamin is humans and animals is the class trace organic substance maintaining normal physiological function and must obtain from food, plays an important role in growth in humans, metabolism, growth course.
Vitamin as a class bioactivator, easy inactivation under the condition such as high temperature, strong acid and strong base.Therefore the extraction of vitamin needs the difficult problem overcoming its mutability.Chinese patent CN201510097751(application number) disclose and a kind of from shine skin papaya, extract ascorbic method, comprise the steps: that (1) wins shine skin papaya fresh fruit, clean, cut in extraction protection solvent, remove seed; (2) the shine skin papaya pulp after chopping is joined in vacuum beating machine together with extraction protection solvent, making beating; (3) slurry produced after making beating is joined in de-airing mixer, vacuum stirring; (4) material filtering will produced in step (3), by filtrate stratification, isolates organic phase; (5) water that pH is less than 7 is added in the organic phase obtained in step (4), vacuum stirring more than 2 hours; (6) stratification, isolates aqueous phase; (7) aqueous phase Vacuum Concentration is extremely dry, and obtain the thick product of vitamin C after freeze drying.Chinese patent CN201410813961(application number) disclose the ascorbic extracting method of a kind of panax ginseng fruit, (1) cleaning of fresh ginseng fruit, cold sterilization, then add ginkgo biloba p.e, Honegsukle flower P.E and sodium sulfite, making beating, obtains ginseng pulp; (2) according to weight percent meter, take the aqueous solution of 2-3% oxalic acid, 0.5-1% hydrochloric acid and 0.5-1% metaphosphoric acid as extract, according to extract: the volume ratio of ginseng pulp is 5-8:1, at 40-60 DEG C, soak 30-1min, the filtrate of filtration, extracts 2-3 time; (3) merging filtrate, then concentrate drying, obtain panax ginseng fruit vitamin C.But it is long and extract insufficient problem to there is extracting cycle in such scheme.
Vitamin is worth very high, and wide market, develops a kind of method rapidly and efficiently extracting vitamin, very important to the exploitation of vitamin.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of method extracting vitamin from guava.
Technical scheme of the present invention is achieved in that
From guava, extract a method for vitamin, comprise the steps:
(1) choose fresh guava, clean, quick stripping and slicing, puts into mixer;
(2) in mixer, add 0.5-5% acid solution and bead, pass into protection gas agitating 5-30 minute;
(3) slurries produced after stirring are carried out vacuum filtration;
(4) add active carbon stirring in the filtrate produced in step (3) to decolour for 1-5 minute, vacuum filtration again;
(5) filtrate obtained in step (4) is carried out vacuum freeze drying, obtain the thick product of vitamin.
Preferably, the weight ratio of described acid solution and guava is 10-50:1.
Preferably, described acid solution is the combination of any one or they in acetic acid, phosphoric acid.
Preferably, its diameter of described bead is 0.5-1mm.
Preferably, the weight ratio of described bead and guava is 1:100-500.
Preferably, described protection gas is nitrogen or helium.
Preferably, described in step (2), mixing control temperature is 10-16 DEG C.
Preferably, the weight ratio of described active carbon and guava is 1:200-1000.
Preferably, its temperature of described vacuum freeze drying is-15 DEG C to-25 DEG C.
The invention has the beneficial effects as follows:
1. acid solution extracts the activity that can keep vitamin.
2. bead can quick crashing cell, improves extraction efficiency.
3. protect gas that vitamin can be avoided oxidized.
4. charcoal absorption can remove impurity.
5. the present invention is simple to operate, with low cost, can produce high-quality vitamin products.
Detailed description of the invention
Embodiment 1
From guava, extract a method for vitamin, comprise the steps:
(1) choose fresh guava, clean, quick stripping and slicing, puts into mixer;
(2) adding in mixer with the weight ratio of guava is the 1.5% acetic acid acid solution of 35:1, and the diameter being 1:300 with the weight ratio of guava is the bead of 0.5mm, passes into nitrogen, and 16 DEG C are stirred 15 minutes;
(3) slurries produced after stirring are carried out vacuum filtration;
(4) adding with the weight ratio of guava in the filtrate produced in step (3) is that the active carbon of 1:600 stirs and decolours for 2 minutes, vacuum filtration again;
(5) filtrate obtained in step (4) is carried out vacuum freeze drying at-20 DEG C, obtain the thick product of vitamin.
Embodiment 2
From guava, extract a method for vitamin, comprise the steps:
(1) choose fresh guava, clean, quick stripping and slicing, puts into mixer;
(2) adding in mixer with the weight ratio of guava is 0.5% phosphoric acid solution of 10:1, and the diameter being 1:100 with the weight ratio of guava is the bead of 1mm, passes into helium, and 10 DEG C are stirred 30 minutes;
(3) slurries produced after stirring are carried out vacuum filtration;
(4) adding with the weight ratio of guava in the filtrate produced in step (3) is that the active carbon of 1:200 stirs and decolours for 5 minutes, vacuum filtration again;
(5) filtrate obtained in step (4) is carried out vacuum freeze drying at-15 DEG C, obtain the thick product of vitamin.
Embodiment 3
From guava, extract a method for vitamin, comprise the steps:
(1) choose fresh guava, clean, quick stripping and slicing, puts into mixer;
(2) adding in mixer with the weight ratio of guava is 5% acetic acid, the phosphoric acid solution of 50:1, and the diameter being 1:500 with the weight ratio of guava is the bead of 1mm, passes into helium, and 12 DEG C are stirred 5 minutes;
(3) slurries produced after stirring are carried out vacuum filtration;
(4) adding with the weight ratio of guava in the filtrate produced in step (3) is that the active carbon of 1:1000 stirs and decolours for 5 minutes, vacuum filtration again;
(5) filtrate obtained in step (4) is carried out vacuum freeze drying at-25 DEG C, obtain the thick product of vitamin.
Embodiment 4
From guava, extract a method for vitamin, comprise the steps:
(1) choose fresh guava, clean, quick stripping and slicing, puts into mixer;
(2) adding in mixer with the weight ratio of guava is 4% acetum of 150:1, and the diameter being 1:150 with the weight ratio of guava is the bead of 0.5mm, passes into helium, and 15 DEG C are stirred 25 minutes;
(3) slurries produced after stirring are carried out vacuum filtration;
(4) adding with the weight ratio of guava in the filtrate produced in step (3) is that the active carbon of 1:400 stirs and decolours for 3 minutes, vacuum filtration again;
(5) filtrate obtained in step (4) is carried out vacuum freeze drying at-25 DEG C, obtain the thick product of vitamin.
Embodiment 5
(1) choose fresh guava, clean, quick stripping and slicing, puts into mixer;
(2) adding in mixer with the weight ratio of guava is 0.5% acetic acid, the phosphoric acid solution of 45:1, and the diameter being 1:250 with the weight ratio of guava is the bead of 0.5mm, passes into nitrogen or helium, and 16 DEG C are stirred 20 minutes;
(3) slurries produced after stirring are carried out vacuum filtration;
(4) adding with the weight ratio of guava in the filtrate produced in step (3) is that the active carbon of 1:300 stirs and decolours for 4 minutes, vacuum filtration again;
(5) filtrate obtained in step (4) is carried out vacuum freeze drying at-18 DEG C, obtain the thick product of vitamin.
Above-described embodiment is only for the invention example is clearly described, and the restriction not to the invention detailed description of the invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All within the spirit and principles in the present invention any apparent change of extending out or variation be still among the protection domain of the invention claim.

Claims (9)

1. from guava, extract a method for vitamin, it is characterized in that, comprise the steps:
(1) choose fresh guava, clean, quick stripping and slicing, puts into mixer;
(2) in mixer, add 0.5-5% acid solution and bead, pass into protection gas agitating 5-30 minute;
(3) slurries produced after stirring are carried out vacuum filtration;
(4) add active carbon stirring in the filtrate produced in step (3) to decolour for 1-5 minute, vacuum filtration again;
(5) filtrate obtained in step (4) is carried out vacuum freeze drying, obtain the thick product of vitamin.
2. according to the method extracting vitamin from guava described in claim 1, it is characterized in that, the weight ratio of described acid solution and guava is 10-50:1.
3. according to the method extracting vitamin from guava described in claim 2, it is characterized in that, described acid solution is the combination of any one or they in acetic acid, phosphoric acid.
4. according to the method extracting vitamin from guava described in claim 1, it is characterized in that, its diameter of described bead is 0.5-1mm.
5. according to the method extracting vitamin from guava described in claim 4, it is characterized in that, the weight ratio of described bead and guava is 1:100-500.
6. the method extracting vitamin from guava described in arbitrary according to claim 1, it is characterized in that, described protection gas is nitrogen or helium.
7. according to the method extracting vitamin from guava described in claim 1, it is characterized in that, described in step (2), mixing control temperature is 10-16 DEG C.
8. according to the method extracting vitamin from guava described in claim 1, it is characterized in that, the weight ratio of described active carbon and guava is 1:200-1000.
9. the method extracting vitamin from guava described in arbitrary according to claim 1-8, it is characterized in that, its temperature of described vacuum freeze drying is-15 DEG C to-25 DEG C.
CN201510890297.8A 2015-12-08 2015-12-08 Method for extracting vitamins from guavas Pending CN105520153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510890297.8A CN105520153A (en) 2015-12-08 2015-12-08 Method for extracting vitamins from guavas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510890297.8A CN105520153A (en) 2015-12-08 2015-12-08 Method for extracting vitamins from guavas

Publications (1)

Publication Number Publication Date
CN105520153A true CN105520153A (en) 2016-04-27

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104447643A (en) * 2014-11-18 2015-03-25 威海诺达药业集团有限公司 Method for extracting vitamin C from hot peppers
CN104610203A (en) * 2015-03-05 2015-05-13 国家林业局泡桐研究开发中心 Method for extracting vitamin C from shine skin papayas
CN105061368A (en) * 2015-08-06 2015-11-18 常州思宇环保材料科技有限公司 Method for extracting vitamin C from rose

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104447643A (en) * 2014-11-18 2015-03-25 威海诺达药业集团有限公司 Method for extracting vitamin C from hot peppers
CN104610203A (en) * 2015-03-05 2015-05-13 国家林业局泡桐研究开发中心 Method for extracting vitamin C from shine skin papayas
CN105061368A (en) * 2015-08-06 2015-11-18 常州思宇环保材料科技有限公司 Method for extracting vitamin C from rose

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张燕红等: "《生物化学实验》", 30 September 2013 *

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Application publication date: 20160427