The freeze-drying processing method of matrimony vine magma
Technical field
The present invention relates to the freeze-drying processing method of matrimony vine magma, belong to food field of deep, or field of deep processing of farm products.
Background technology
Matrimony vine is traditional rare traditional Chinese medicine, is again a kind of tonic food, and the most applicable collocation with glossy ganoderma is taken.In the list of 63 kinds of medicine-food two-purposes of Ministry of Public Health's announcement, rank first.As traditional Chinese medicine, the flat taste of matrimony vine property is sweet, has effect of nourishing liver and kidney, benefiting shrewd head, moistening lung, arranges in pairs or groups can prevent and treat all kinds of diseases and ailments with glossy ganoderma, supports sheet arrange in pairs or groups and protect liver with indigo plant.Pass through chemical composition analysis, the fruit of matrimony vine detects containing nutritional labelings such as abundant natural Beta-carotene, vitamin C, matrimony vine proteoglycan, betaine, linoleic acid and iron, phosphorus, calcium, has qi-restoratives to calm the nerves, improving eyesight is dispeled the wind, nourshing kidney moistening lung and protect the effects such as liver is antitumor.
The fruit of Chinese wolfberry contains the required nutriment of abundant carrotene, multivitamin and the healthy eye such as calcium, iron, therefore has the merit of improving eyesight, is commonly called as " bright eye ".What ancient Chinese medicine doctor treatment deficiency of liver-blood, deficiency of kidney-YIN caused looks thing duskization and yctalopia, usually uses the fruit of Chinese wolfberry.Further, the fruit of Chinese wolfberry is from the Book of Songs " combines in luxuriant Qi ", and just for medicine, the history in existing more than 3000 years so far, just has the alone fruit of Chinese wolfberry of Jin Chaoge flood to smash juice from ancient times and drip order, the story for the treatment of ophthalmology illness.The name of the fruit of Chinese wolfberry, first appeared in Shennong's Herbal, is listed as top grade, very popular over the past thousands of years.
Matrimony vine has many medicine and health care effects, becomes important one of food and Chinese medicine, is subject to liking of broad masses of the people in all parts of the country.But the results of matrimony vine have strong seasonality, and really belong to medicinal matrimony vine and only originate in peaceful matrimony vine in Zhongning County, Ningxia, fresh fruit resource is nervous, and often supply falls short of demand.Again because medlar fresh fruit is not easily preserved, if fail process in time after harvesting, will be putrid and deteriorated at 20 hours, lose use value.Meanwhile, common fresh-keeping measure, as freezing, refrigeration etc. is also difficult to preserve medlar fresh fruit local flavor.Therefore, the most frequently used at present matrimony vine processing method is airing.Make accumulating after dried fruit of lycium barbarum, effectively can extend the holding time of matrimony vine, but simultaneously, lose the fresh fruit local flavor of matrimony vine, water restoration is also very poor.
Summary of the invention
Object of the present invention, is first to provide a kind of manufacture method of new matrimony vine goods, on the basis keeping former fresh fruit local flavor, can greatly extend the pot-life of matrimony vine, the nutritional labelings such as the natural Beta-carotene to greatest extent in reservation matrimony vine and vitamin C.In addition, the present invention can also carry out deep processing for the matrimony vine that product are mutually general, makes full use of and develops limited medlar fresh fruit resource, for wolfberry industry chain decreases waste, add income.
Technical scheme of the present invention is as follows:
1, screen: according to the standard of GB/T18672-2014, raw material fresh fruit is rejected impurity, have no value for use grain, select the matrimony vine that in fresh fruit, product are mutually general;
2, stalk is cleaned: the aqueous cleaning raw material using the green fruit-vegetable cleaning agent containing 0.01 ~ 0.05%, then stalk, drain;
Described green fruit-vegetable cleaning agent is commercially available product.This product is a kind of is raw material by shell, makes through calcining, has the function of the attachment such as the agricultural chemicals of removing fruit and vegetable surfaces, fruit wax.
3, slurrying: cleaned matrimony vine is put into colloid mill and carries out slurrying;
4, freeze-drying: the matrimony vine of squeezing the juice is put into freeze dryer, pre-freeze is carried out at-20 ~ 0 DEG C, the pre-freeze time is 1 ~ 2 hour, continuing to be cooled to temperature is-35 DEG C ~-30 DEG C, freeze-drying time is 12 ~ 14 hours, and heat up and take gradient increased temperature, the time of intensification is 10 ~ 12 hours, last solution eutectoid temperature is 30 ~ 45 DEG C, and parsing pressure is 40 ~ 60Pa;
Described gradient increased temperature process is:
Keep 60min in-35 DEG C ~-30 DEG C, in 60min afterwards, be warming up to-25 DEG C;
Keep 120min in-25 DEG C, in 120min afterwards, be warming up to 0 DEG C;
Keep 30 ~ 60min in 0 DEG C, in 120min afterwards, be warming up to 15 DEG C;
Keep 60min in 15 DEG C, in 30 ~ 120min afterwards, be warming up to 30 ~ 45 DEG C; Amount to 10 ~ 12 hours;
5, pulverizing, compressing tablet, quantitative package, is finished product.
Wherein the step of compressing tablet is: by direct dry powder sheeting after the matrimony vine magma freeze-dried powder after pulverizing and sweet mellow wine mixing.Wherein the weight proportion of matrimony vine magma freeze-dried powder and sweet mellow wine is (93-99): (1-7), preferred 95:5.
The matrimony vine that the present invention is mutually general to product carries out deep processing, takes full advantage of precious matrimony vine raw material resources.And, the inventive method processes the freeze-drying matrimony vine magma powder obtained, direct-edible or dissolved rear edible, water restoration is good, the original color and taste of matrimony vine can be presented, and when adding without chemistry, extend the storage life of matrimony vine, save the active ingredients such as carrotene in matrimony vine and vitamin C largely simultaneously.We find that the freeze-drying matrimony vine magma powder that the present invention obtains is applicable to direct powder compression unexpectedly simultaneously.
Detailed description of the invention
Embodiment 1:
1, screen: according to the standard of GB/T18672-2014, raw material fresh fruit is rejected impurity, have no value for use grain, select the matrimony vine that in fresh fruit, product are mutually general;
2, stalk is cleaned: the aqueous cleaning raw material using the green fruit-vegetable cleaning agent containing 0.01%, then stalk, drain;
3, slurrying: cleaned matrimony vine is put into colloid mill and carries out slurrying, colloid mill milling time is 2.5h;
4, freeze-drying: the matrimony vine of squeezing the juice is put into freeze dryer, carry out pre-freeze at-20 DEG C, the pre-freeze time is 1 hour, continue to be cooled to temperature and be-30 DEG C, freeze-drying time is 14 hours, and heat up and take gradient increased temperature, the time of intensification is 10 hours, last solution eutectoid temperature is 30 DEG C, parsing pressure is 40Pa, now observes material apparent condition, and check temperature of charge and shelf temperature basically identical time, display material substantially dry, terminates freeze-drying;
Gradient increased temperature process is as follows:
Keep 60min in-30 DEG C, in 60min afterwards, be warming up to-25 DEG C;
Keep 120min in-25 DEG C, in 120min afterwards, be warming up to 0 DEG C;
Keep 30min in 0 DEG C, in 120min afterwards, be warming up to 15 DEG C;
Keep 60min in 15 DEG C, in 30min afterwards, be warming up to 30 DEG C; Amount to 10 hours.
5, press following weight proportion after pulverizing by matrimony vine magma freeze-dried powder 95 parts and sweet mellow wine 5 parts of direct pressed powders, quantitative package, is finished product.
Embodiment 2
Except the pre-freeze time of step 4 becomes 2 hours, all the other are with embodiment 1.
Embodiment 3
The gradient increased temperature process of embodiment 1 is become as follows:
Keep 60min in-30 DEG C, in 60min afterwards, be warming up to-20 DEG C;
Keep 100min in-20 DEG C, in 120min afterwards, be warming up to 0 DEG C;
Keep 10min in 0 DEG C, in 80min afterwards, be warming up to 20 DEG C;
Keep 60min in 20 DEG C, in 30min afterwards, be warming up to 30 DEG C;
All the other are with embodiment 1.
Embodiment 4
The gradient increased temperature process of embodiment 1 is become as follows:
Keep 60min in-30 DEG C, in 40min afterwards, be warming up to-25 DEG C;
Keep 100min in-25 DEG C, in 80min afterwards, be warming up to 0 DEG C;
Keep 30min in 0 DEG C, in 100min afterwards, be warming up to 15 DEG C;
Keep 60min in 15 DEG C, in 20min afterwards, be warming up to 30 DEG C.
All the other are with embodiment 1.
Contrast the carrotene in matrimony vine magma freeze-dried powder and medlar fresh fruit and Vitamin C content.
Get the medlar fresh fruit of two parts of equals in quality (100g), portion utilizes the method in embodiment to obtain matrimony vine magma freeze-dried powder and measures its carrotene and ascorbic content; Another portion of fresh fruit directly measures its carrotene and ascorbic content.Every embodiment gets 5 increments.Measurement result is as shown in the table.Result shows, the matrimony vine magma freeze-dried powder that this method obtains remains carrotene in fresh fruit and vitamin C to greatest extent.
Get above each embodiment and obtain product and commercially available matrimony vine dry powder, after melting with proper amount of clear water, observe outward appearance and taste taste.Get commercially available medlar fresh fruit again, after cleaning, taste taste, and with comparing before.Find that product and the commercially available medlar fresh fruit taste of the present invention's acquisition are basically identical, commercially available matrimony vine dry powder is slightly charred taste.