JP2007209224A - Adsorption oil and fat for feed, and method for producing the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide adsorption oil and fat for feed containing functional oil and fat in a high concentration, and having good acid stability and also an excellent handling property: and to provide a method for producing the oil and fat. <P>SOLUTION: The method for producing the adsorption oil and fat for feed comprises making a carrier composed of amorphous silicon dioxide adsorb functional oil and fat and an antioxidant under pressure. The adsorption oil and fat for feed is obtained by the method. Feed is produced by addition of the adsorption oil and fat. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to feed-use adsorbent fats and production methods for livestock, poultry, fishery products, and the like, and more specifically, contains high-functional fats and oils, has good oxidation stability, and The present invention relates to an adsorbent fat and oil for feed excellent in handling properties and a method for producing the same.

  It has been a long time since it was recognized that the effects obtained by human consumption of food include acquisition of physiological regulation functions of the human body, which is also called the tertiary function of food, in addition to energy intake and satisfaction of taste. Among food ingredients, along with minerals and vitamins, sugars, proteins, and lipids have been clarified to have the tertiary functions of the food.

Among them, fats and oils are the main constituents of animal cell membranes and have a great relationship with physiological regulation functions, and have long been the subject of research.
For example, α-linolenic acid (n-3 polyunsaturated fatty acid), which is one of the constituent fatty acids of fats and oils, is metabolized in the body and becomes a group of hormone-like substances called eicosanoids via EPA and DHA. Change and manage physiology. Such fats and oils having physiological activity are generally called “functional fats and oils”, but in the present invention, these fats and oils are also called “functional fats and oils”.
Like the American and European ethnic groups, the dietary habits of Japanese people are currently lacking in the intake of α-linolenic acid, which is one of these functional oils and fats. Calls for improvement of life.

  However, these functional fats and oils contain active groups rich in chemical reactivity in the molecule, are inferior in oxidation resistance and thermal stability, and intentionally ingesting these fats and oils alone or in food cooking, There are many problems such as limited cooking forms, oily taste, and poor preservation, and it is convenient if it is contained in daily foods in a high concentration in a natural form.

Therefore, these functional fats and oils are compounded and administered in feeds such as livestock, poultry and fishery products and accumulated in the meat and eggs of these animals, and humans take it indirectly as food recently. Has attracted attention.
For example, there is a study to improve meat quality by blending egoma seeds or flaxseed seeds containing α-linolenic acid in high concentrations into pig feed (for example, see Non-patent Document 1). In addition, there is a report in which calcium linseed fat and oil fat is added to poultry feed in order to accumulate α-linolenic acid in chicken eggs for the same purpose (for example, see Non-Patent Document 2). Furthermore, there is one in which calcium salts of EPA and DHA contained in fish oil are administered as a rumen bypass feed for cattle to produce milk containing these functional oils and fats (for example, see Non-Patent Document 3).

  Further, although somewhat different from the above report, there is one in which kapok oil containing cyclopropenoic acid is blended and administered to feed for the purpose of preventing softening of the meat quality by incorporating cyclopropenoic acid into pork (for example, patents) Reference 1).

  The functional fats and oils that are blended in these feeds and ultimately used to impart physiological soundness to humans and improve the texture of edible meat are all liquid at room temperature, The constituent fatty acid is characterized by lacking oxidative stability such as polyunsaturated fatty acid and cyclopropenoic acid.

Therefore, it is extremely difficult to obtain long-term oxidative stability by mixing a large amount of these functional fats and oils into the basic feed. Conventionally, seeds containing these functional fats and oils have been administered or oxidative deterioration has been ignored. It has been used by adsorbing it to feed bulk.
That is, when liquid functional fats and oils are blended in large quantities in plant bulk materials such as soybean meal and bran, which are basic feeds, and in animal materials such as brewer's yeast, the adsorptivity of functional fats and oils itself is high. Low, oil smears and lumps are generated, the homogeneity is impaired, and the handling property is remarkably inferior. In addition, functional fats and oils that adhere to the bulk surface and are in a sticky state have a large contact area with air, become significantly oxidized, and cannot withstand long-term storage.

Yamada, et al., Journal of Japanese Society of Pig Farming, Vol. 38, no. 1, 25 (2001) Toshio Yamazaki and others, Fukui Livestock Experiment Station Report (2001) Kanagawa Livestock Research Institute Report (1998) JP-A-57-208957

The present invention solves these various problems, and provides an adsorbed oil and fat for feed and a method for producing the same that contain functional oil and fat at a high concentration, have good oxidation stability and excellent handling properties. It is intended.
That is, the present invention contains functional fats and oils in a high concentration, is solid, can be treated as a feed material similar to fats and fats, has excellent oxidation stability, and has good handling properties. It is an object to provide a manufacturing method.
ADVANTAGE OF THE INVENTION According to this invention, the adsorption | suction fats and oils for feed which have room temperature storage stability for 6 months or more, and its manufacturing method are provided.

  As a result of intensive studies to solve the above-mentioned problems, the present inventors have selected an inorganic silicon dioxide powder as an adsorption carrier for functional oil and fat, and further added an oil and fat antioxidant to the adsorption operation. Is carried out under reduced pressure, it is found that a functional oil and fat is contained in a high concentration, an oxidation fat and oil for feed having excellent oxidation stability and excellent handling properties can be obtained, and the present invention is completed based on this finding. It came to do.

The present invention according to claim 1 provides a method for producing adsorbed fats and oils for feed, characterized in that functional oils and antioxidants are adsorbed under reduced pressure on a carrier comprising amorphous silicon dioxide powder. is there.
This invention which concerns on Claim 2 provides the adsorption | suction fats and oils for feed obtained by the method of Claim 1.
This invention which concerns on Claim 3 provides the feed formed by mix | blending the adsorption fat and oil for feed of Claim 2.

ADVANTAGE OF THE INVENTION According to this invention, functional fats and oils are contained in high density | concentration, and are solid, can be handled as a feed raw material similar to fats and oils alone, are excellent in oxidation stability, and are excellent in handling property.
ADVANTAGE OF THE INVENTION According to this invention, the adsorption | suction fats and oils for feed which have room temperature storage stability for 6 months or more are provided.

  The present invention according to claim 1 relates to a method for producing feed-use adsorbed fats and oils, wherein functional oils and antioxidants are adsorbed under reduced pressure on a carrier made of amorphous silicon dioxide powder. .

Here, the feed-use adsorbed oil / fat is a material exclusively used for feed, and refers to an adsorbed oil / fat, particularly a functional oil / fat.
The feed is intended for livestock, poultry, fish and shellfish.
As described above, the functional oil and fat refers to an oil and fat having physiological activity. Specifically, for example, seed oil such as safflower containing a large amount of linoleic acid; egoma containing a large amount of α-linolenic acid, Seed oil such as flaxseed; fish oil containing a large amount of EPA and DHA; kapok oil containing a large amount of cyclopropenoic acid.
Such functional fats and oils are liquid.

In the present invention according to claim 1, a carrier made of amorphous silicon dioxide powder obtained by pulverizing amorphous silicon dioxide into powder is used.
Amorphous (amorphous) silicon dioxide is roughly classified into a so-called precipitated silica and a gel type because of its production method.
In the present invention according to claim 1, both of the above can be used as a fat and oil carrier as amorphous silicon dioxide powder.

Amorphous silicon dioxide powder is a white powder, and the better the oil and fat adsorption amount, the better, and the one capable of adsorbing 200 ml or more of fat per 100 g of carrier (oil and fat 200 g / 100 g or more carrier) greatly improves the basic composition of feed It is preferable because it does not need to change. In general, those in the range of 220 to 250 ml / carrier 100 g are used, but are not limited thereto.
Next, the amorphous silicon dioxide powder preferably has an average particle diameter of 3.0 to 12.0 mμ, particularly 5.0 to 10.0 mμ.
The amorphous silicon dioxide powder preferably has an apparent specific gravity of 0.12 to 0.22 g / ml, particularly 0.15 to 0.20 g / ml.
Further, the amorphous silicon dioxide powder is preferably one having a pH of 5.3 to 6.5, particularly 5.5 to 6.3.

In the present invention according to claim 1, it is necessary to use amorphous silicon dioxide powder as a carrier.
Instead of amorphous silicon dioxide powder like this, even if you add liquid functional oils and fats to plant bulk materials such as soybean meal and bran, which are basic feeds, and moving material such as beer yeast, Due to the high viscosity of the oil and fat and the low function of adsorbing functional oil and fat in the feed bulk, oil blemishes and lumps are generated, the homogeneity is impaired, and the handling property is extremely inferior. In addition, functional fats and oils that adhere to the bulk surface and are in a sticky state have a large contact area with air, become significantly oxidized, and cannot withstand long-term storage.
In order to add functional fats and oils to the basic feed, 5 functional fats and oils are added to the vegetable bulk made of cereals and beans or defatted potatoes, the animal bulk made of liquor-fermenting yeast residues, fish meal, etc. It is necessary to homogenize the whole by mixing -10% or more if necessary.
However, when liquid functional fats and oils are added to the feed bulk, etc., due to the high viscosity of the fats and the low adsorption function of the functional fats and fats in the feed bulk, frequent freckle and oil blemishes occur. Thus, the homogeneity is impaired, and the handling property (handling property) is remarkably inferior.

In order to overcome these drawbacks, it is desirable that the adsorption carrier for fats and oils has a large adsorption amount and the form after adsorption is a solid powder. At the same time, safety as feed must be ensured.
As a result of examining various oil and fat adsorbing carriers as satisfying these requirements, the present inventors have found that organic substances such as feed bulk are unsuitable because they have a low adsorption amount and are easily damped, and are amorphous silicon dioxide that is inorganic. It has been found that powder is suitable.
By blending liquid functional fats and oils with a carrier made of amorphous silicon dioxide powder, the problem of fools and oil blemishes is solved. For this reason, it becomes possible to mix | blend a functional fat and oil with feed in large quantities.

  The present invention according to claim 1 is characterized in that the functional oil and the antioxidant are adsorbed under reduced pressure on the carrier made of amorphous silicon dioxide powder as described above.

When the functional fats and oils are adsorbed on a carrier made of amorphous silicon dioxide powder, if they are stirred and mixed for a long time, there is no problem of lumps and oil blemishes, and there is no problem in physical properties due to the smooth powder.
However, it has been found that the functional oil and fat adsorbed on the carrier made of amorphous silicon dioxide powder has an enlarged surface area, and as a result, it lacks oxidation stability.

  In the present invention according to claim 1, by using a carrier made of amorphous silicon dioxide powder by adsorbing a functional oil and an antioxidant under reduced pressure to a carrier made of amorphous silicon dioxide powder. While maintaining the excellent homogeneity obtained, the oxidation stability is remarkably improved.

  As described above, functional fats and oils have extremely high chemical reactivity and extremely low stability against oxidation. What adsorb | sucked this functional fat and oil to the amorphous silicon dioxide powder also has a large surface area, is in an environment where oxidation is further promoted, and easily deteriorates.

Therefore, in this invention which concerns on Claim 1, an antioxidant is used with functional fats and oils.
Here, as an antioxidant, for example, an oil-soluble antioxidant such as tocopherol or ascorbyl palmitate approved as a food additive, or an antioxidant such as ethoxyquin, which is permitted to be added to fertilizers, is used. be able to.

  As shown in the examples and comparative examples described later, when the sesame oil was adsorbed and the antioxidant was not added, when stored at room temperature, the peroxide value of the fat and oil greatly deteriorated to about 170 after 100 days. However, what added the antioxidant was improved to about 30-70 depending on the kind and addition amount.

However, in view of the actual distribution of feed, the period until consumption is expected to be longer, and further improvement in the oxidation stability of fats and oils is desired.
Therefore, in the present invention according to claim 1, the functional oil and the antioxidant are adsorbed “under reduced pressure” on the carrier made of amorphous silicon dioxide powder as described above.

As a result of detailed examination of the degree of contact with air that causes oxidative degradation in each process from oil fat adsorption operation to consumption, the present inventors have found that the agitation in the oil adsorption process has the largest air absorption and the agitation. It was found that the storage deterioration significantly progressed with the extension of time.
As a countermeasure, if the stirring time is shortened, lumps occur and the homogeneity is lost. In addition, air that promotes oxidative degradation of fats and oils in the adsorption process is expected to be present in large amounts on the surface of silicon dioxide and its specific gravity is predicted to be very low. We thought that it was important in securing sex.

  Therefore, as a result of trying to remove the air as much as possible by compressing or compressing the adsorbent material, it is natural that the reduced amount of air results in a decrease in the amount of air. As a result of the reduction of the air volume, the adsorption operation itself progressed quickly, and the stirring time required for homogenization until no lumps existed was drastically reduced, and the stability of the adsorbed oil was greatly improved. It was.

  Here, the higher the degree of decompression required, the better. However, the degree of decompression in the range of about 300 to 1000 Pascals is preferable from the viewpoint of industrial equipment and economics of operation, and the degree of decompression of about 500 to 700 Pascals from a practical viewpoint. Is more preferable.

  It has been found that the combined use of the reduced pressure operation and the antioxidant during the adsorption drastically improves the oxidation stability of the adsorbed functional oil.

In the present invention according to claim 1, (1) using a carrier made of amorphous silicon dioxide powder, (2) adsorbing functional oils and antioxidants to this, (3) adsorption is reduced pressure Any of the following is necessary, and even if one is missing, the object of the present invention cannot be achieved.
In addition, although adsorption operation is normally performed with stirring, it is not limited to this. The stirring conditions for performing the adsorption operation while stirring are not particularly limited.

In this way, it is possible to produce an adsorbed fat and oil for feed that contains functional oil and fat at a high concentration, good oxidation stability, and excellent handling properties.
It is the present invention according to claim 2 that provides such an adsorbent fat for feed.
That is, the present invention according to claim 2 is an adsorbed fat for feed obtained by the method according to claim 1.

The feed-use adsorbent fat according to the second aspect of the present invention is used by being blended with feed.
It is the present invention according to claim 3 that provides such feed.
That is, this invention which concerns on Claim 3 is a feed formed by mix | blending the adsorption | suction fats and oils for feed of Claim 2.
The feed is a feed that is generally used for livestock, poultry, seafood, and the like, and contains corn, bran, soybean meal, fish meal, vitamins and minerals, and the like.

  Examples of target livestock include cattle, pigs, horses, goats, and the like. Next, examples of poultry include chickens, turkeys, and ducks. Furthermore, examples of the seafood include hamachi, red sea bream, salmon, rainbow trout, abalone, and turban shell.

The blending amount of the feed-use adsorbed fat according to claim 2 in the feed is not particularly limited.
Moreover, the administration period of the feed which mix | blended the adsorption fat and oil for feeds of Claim 2 is not specifically limited.

  EXAMPLES Hereinafter, although an Example demonstrates this invention still in detail, this invention is not limited only to a following example.

Example 1
40 g of commercially available amorphous silicon dioxide powder (average particle size of 5.2 mμ, apparent specific gravity of 0.178 g / ml, pH 5.5) was weighed into a 1-liter glass-equipped round bottom flask equipped with a stirrer. After setting the predetermined pressure described in 1 and stirring at room temperature for 5 minutes in this state, a predetermined amount of the antioxidant shown in Table 1 was added to the sesame refined oil to make 100 g, and the predetermined time was reached. After stirring, the quality of the obtained adsorbed oil was evaluated.
Production conditions and results are shown in Table 1.

In addition, the quality of adsorbed oil evaluated the generation | occurrence | production degree and storage stability of lumps.
The degree of occurrence of lumps was visually evaluated on three levels (◯: none, Δ: small amount generated, x: large amount generated).
The storage stability was evaluated by obtaining the peroxide value (POV) after filling the adsorbed oil in a degassed state in a plastic film bag and storing it for 100 days and 200 days in the dark at room temperature according to the standard fat and oil analysis test method.

[Footnotes in Table 1]
* 1: Amount of fat and oil adsorbed on 100 g of amorphous silicon dioxide powder (ml).
* 2: Amount of antioxidant added to fats and oils (ppm).
* 3: Absolute pressure (hectopascal) during adsorption operation.
* 4: Normal temperature stirring time (minutes).

From the results in Table 1, the following can be understood.
That is, as shown in Examples 1 and 2, when the adsorption operation is performed at normal pressure without using an antioxidant, the POV after storage for 100 days exceeds 170, which is inappropriate. I understand.
Next, as shown in Examples 3 and 4, the antioxidant was used, but when the adsorption operation was performed at normal pressure, the storage stability was improved compared to Examples 1 and 2. However, the POV after storage for 200 days exceeds 50, which is also inappropriate.
In addition, as shown in Examples 5 and 6, although the adsorption operation was performed under reduced pressure, when no antioxidant was used, the storage stability was improved as compared with Examples 1 and 2. However, the POV after storage for 200 days is around 50, which is also inappropriate.
On the other hand, as shown in Examples 7 and 8, when the antioxidant is used and the adsorption operation is performed under reduced pressure (in the case of the present invention), the storage stability of the adsorbed oil is remarkably good. In addition, it can be seen that although the stirring time is significantly shortened, there is no occurrence of lumps and the stirring operation is accelerated.

Example 2
40 g of the same amorphous silicon dioxide powder as used in Example 1 was weighed into a flask, and 100 g of Kapok oil (containing 150 ppm of ethoxyquin as an antioxidant) was added under reduced pressure of 500 hectopascals, followed by stirring for 5 minutes. An oil was obtained.
This adsorbed oil and fat had an excellent POV of 10 after being stored in a dark room temperature for 100 days in the same manner as in Example 1.

Comparative Examples 1 and 2
In Example 2, the adsorbed oil obtained in the same manner as in Example 2 except that the adsorption operation was carried out at normal pressure generated lumps, and the POV after storage for 100 days in a dark room temperature was 120. (Comparative Example 1).
In Comparative Example 1, when ethoxyquin as an antioxidant was not added, POV after storage for 100 days in a dark room temperature was 241 (Comparative Example 2).

According to the present invention, an adsorbent fat and oil for feed containing a high concentration of functional oil and fat, excellent in oxidation stability, easy to handle, and easy to handle for livestock, poultry, and seafood. Can be manufactured.
In addition, the feed containing this functional fat / oil is administered to livestock, poultry, seafood, etc., and the ingredients derived from the functional fat / oil are accumulated in the meat and eggs of these animals. It can be taken indirectly.
Therefore, the present invention can be used effectively in the feed industry and the like.

Claims (3)

  A method for producing adsorbed fats and oils for feed, comprising adsorbing functional oils and antioxidants under reduced pressure to a carrier comprising amorphous silicon dioxide powder.   An adsorbed fat for feed obtained by the method according to claim 1.   A feed comprising the feed-use adsorbent fat according to claim 2.