JP5849384B2 - Folic acid-containing beverage - Google Patents

Folic acid-containing beverage Download PDF

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JP5849384B2
JP5849384B2 JP2010180664A JP2010180664A JP5849384B2 JP 5849384 B2 JP5849384 B2 JP 5849384B2 JP 2010180664 A JP2010180664 A JP 2010180664A JP 2010180664 A JP2010180664 A JP 2010180664A JP 5849384 B2 JP5849384 B2 JP 5849384B2
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folic acid
beverage
calcium
weight
acid
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貴一 松土
貴一 松土
晃司 望月
晃司 望月
拓人 武井
拓人 武井
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Taisho Pharmaceutical Co Ltd
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Description

本発明は、葉酸及び安息香酸類を含有する飲料に関する。   The present invention relates to a beverage containing folic acid and benzoic acids.

葉酸は、ビタミンB群の一種であり、アミノ酸やタンパク質、赤血球や核酸の合成などに関与しており、生体にとって必要不可欠な栄養素である。葉酸に関して、近年特に注目されていることは、母体の妊娠時の葉酸欠乏により、神経管異常の新生児が生まれる確率が増えるが、葉酸の投与によりこれを予防できることである(非特許文献1参照)。実際に、米国疾病管理予防センター(CDC)は、一日400μgの葉酸を摂取すれば、胎児の神経管閉鎖障害を70%予防することができるという勧告を出している。しかしながら、妊娠時に必要とされる葉酸全てを、食事から摂取することは困難であることが多く、サプリメント等が使用されてきた。   Folic acid is a kind of vitamin B group, is involved in the synthesis of amino acids, proteins, erythrocytes and nucleic acids, and is an essential nutrient for living bodies. With regard to folic acid, what has attracted particular attention in recent years is that the probability of a newborn with an abnormal neural tube is born due to folic acid deficiency during pregnancy in the mother, but this can be prevented by administration of folic acid (see Non-Patent Document 1). . In fact, the US Centers for Disease Control and Prevention (CDC) has issued a recommendation that ingesting 400 μg folic acid a day can prevent fetal neural tube closure disorder by 70%. However, it is often difficult to take all folic acid required during pregnancy from diet, and supplements and the like have been used.

従来、サプリメント等として食事以外から葉酸を摂取する際、固形製剤が用いられることが多く、葉酸を配合した飲料はほとんど提供されていなかった。この理由の1つとしては、葉酸の水中における安定性の問題が考えられる。すなわち、葉酸は水中での安定性が悪く、特に飲料に適した酸性領域では安定性がより悪くなり、徐々に分解が起こる。しかしながら、服用の容易性から葉酸を配合した飲料が求められている。   Conventionally, when folic acid is ingested as a supplement from other than meals, solid preparations are often used, and beverages containing folic acid have hardly been provided. One possible reason for this is the problem of stability of folic acid in water. That is, folic acid has poor stability in water, and in the acidic region particularly suitable for beverages, the stability becomes worse and gradually decomposes. However, beverages containing folic acid have been demanded for ease of taking.

一方、飲料には防腐作用を期待して安息香酸又はその塩、パラベン等の安息香酸類を配合することが行われている。長期保存のためには、これら防腐剤の添加が必要である。   On the other hand, benzoic acids such as benzoic acid or a salt thereof and paraben are blended in beverages in anticipation of antiseptic action. Addition of these preservatives is necessary for long-term storage.

Czeizel,A.E.,J. Pediat. Gastroenterol. Nutr., vol.20, pp.4-16,1995Czeizel, A.E., J. Pediat. Gastroenterol. Nutr., Vol.20, pp.4-16, 1995

本発明者らは、葉酸を含有する飲料に安息香酸類を配合したところ、葉酸の安定性がさらに悪くなり、葉酸の分解が促進されることを見出した。   The present inventors have found that when benzoic acids are added to a beverage containing folic acid, the stability of folic acid is further deteriorated and the decomposition of folic acid is promoted.

従って、本発明は安息香酸類を配合した葉酸含有飲料において、葉酸の分解を抑制し安定化を図ることを課題とする。   Accordingly, an object of the present invention is to suppress the decomposition of folic acid and stabilize it in a folic acid-containing beverage containing benzoic acids.

本発明者らは、上記課題を解決すべく鋭意研究を重ねた結果、安息香酸類を配合した葉酸含有飲料にカルシウム、銅、亜鉛からなる群から選ばれる一種以上の金属の無機塩又は有機塩を配合することにより、安息香酸類を配合しない飲料と同等の葉酸含有量を維持できることを見出した。さらに糖アルコール又はトレハロースを配合すると、葉酸の分解をさらに抑制できることも見出し、本発明を完成するに至った。   As a result of intensive research to solve the above problems, the present inventors have added an inorganic salt or organic salt of one or more metals selected from the group consisting of calcium, copper, and zinc to a folic acid-containing beverage containing benzoic acids. It has been found that by blending, the folic acid content equivalent to that of a beverage not containing benzoic acids can be maintained. Furthermore, when sugar alcohol or trehalose was mix | blended, it discovered that decomposition | disassembly of folic acid could be suppressed further and came to complete this invention.

すなわち、本発明は
(1)a)葉酸、b)安息香酸類、並びに、c)カルシウム、銅、及び亜鉛からなる群から選ばれる一種以上の金属の無機塩又は有機塩、を配合することを特徴とする飲料。
(2)安息香酸類が安息香酸又は安息香酸の塩である(1)に記載の飲料。
(3)さらに、糖アルコール又はトレハロースを配合することを特徴とする(1)又は(2)に記載の飲料。
(4)葉酸及び安息香酸類を含有する飲料に、カルシウム、銅、及び亜鉛からなる群から選ばれる一種以上の金属の無機塩又は有機塩を配合することを特徴とする、飲料中の葉酸の安定化方法。
(5)さらに、糖アルコール又はトレハロースを配合することを特徴とする(4)に記載の飲料中の葉酸の安定化方法。
である。
That is, the present invention is characterized by blending (1) a) folic acid, b) benzoic acids, and c) one or more inorganic or organic salts of metals selected from the group consisting of calcium, copper, and zinc. And drink.
(2) The beverage according to (1), wherein the benzoic acid is benzoic acid or a salt of benzoic acid.
(3) The beverage according to (1) or (2), further comprising sugar alcohol or trehalose.
(4) Stabilization of folic acid in beverages, characterized by blending a beverage containing folic acid and benzoic acids with one or more inorganic or organic salts of metals selected from the group consisting of calcium, copper, and zinc Method.
(5) The method for stabilizing folic acid in a beverage according to (4), further comprising sugar alcohol or trehalose.
It is.

本発明により、安息香酸類を配合した葉酸含有飲料中の葉酸の安定化を図ることができる。 According to the present invention, stabilization of folic acid in a folic acid-containing beverage containing benzoic acids can be achieved.

本発明におけるカルシウム、銅、及び亜鉛からなる群から選ばれる一種以上の金属の無機塩としては、塩化カルシウム、リン酸二水素カルシウム、リン酸三カルシウム、硫酸銅、硫酸亜鉛等が挙げられ、有機塩としては、乳酸カルシウム、グルコン酸カルシウム、クエン酸カルシウム、グルタミン酸カルシウム、パントテン酸カルシウム、グルコン酸銅、グルコン酸亜鉛等が挙げられるが、これらに限定されない。また、これらは水和物として存在することもあるが、その水和物を使用しても構わない。該金属の無機塩又は有機塩の配合量は、本発明の効果を十分に奏するために以下の配合量とすることが好ましい。すなわち、葉酸1重量部に対して、カルシウム換算で110重量部以上、より好ましくは350重量部以上、亜鉛換算で110重量部以上、銅換算で25重量部以上、より好ましくは60重量部以上である。   Examples of the inorganic salt of one or more metals selected from the group consisting of calcium, copper, and zinc in the present invention include calcium chloride, calcium dihydrogen phosphate, tricalcium phosphate, copper sulfate, zinc sulfate, and the like. Examples of the salt include, but are not limited to, calcium lactate, calcium gluconate, calcium citrate, calcium glutamate, calcium pantothenate, copper gluconate, and zinc gluconate. Moreover, although these may exist as a hydrate, you may use the hydrate. The compounding amount of the metal inorganic salt or organic salt is preferably set to the following compounding amount in order to sufficiently achieve the effects of the present invention. That is, with respect to 1 part by weight of folic acid, 110 parts by weight or more in terms of calcium, more preferably 350 parts by weight or more, 110 parts by weight or more in terms of zinc, 25 parts by weight or more in terms of copper, more preferably 60 parts by weight or more. is there.

本発明における「安息香酸類」には、安息香酸又はその塩、さらには安息香酸構造を有する物質も含まれる。安息香酸の塩としては、安息香酸ナトリウム等が挙げられる。安息香酸構造を有する物質としては、パラオキシ安息香酸エステル、パラアミノ安息香酸が挙げられる。   The “benzoic acid” in the present invention includes benzoic acid or a salt thereof, and further a substance having a benzoic acid structure. Examples of the salt of benzoic acid include sodium benzoate. Examples of the substance having a benzoic acid structure include p-hydroxybenzoic acid ester and p-aminobenzoic acid.

本発明における「糖アルコール」には、エリスリトール、キシリトール、マルチトール、イノシトール、ソルビトール、マンニトール、マルチトール等を使用することができる。糖アルコールの配合量は、本発明の効果を十分に奏するために葉酸1重量部に対して、43000重量部以上であることが好ましい。また、トレハロースも葉酸1重量部に対して、43000重量部以上配合することが好ましい。   As the “sugar alcohol” in the present invention, erythritol, xylitol, maltitol, inositol, sorbitol, mannitol, maltitol and the like can be used. The amount of the sugar alcohol is preferably 43,000 parts by weight or more with respect to 1 part by weight of folic acid in order to sufficiently achieve the effects of the present invention. Trehalose is also preferably added in an amount of 43,000 parts by weight or more based on 1 part by weight of folic acid.

本発明では、上記「金属の無機塩又は有機塩」と糖アルコール又はトレハロースを同時に配合することで、葉酸の安定化をさらに図ることができるため好ましい。   In the present invention, folic acid can be further stabilized by simultaneously blending the above-mentioned “metal inorganic salt or organic salt” with sugar alcohol or trehalose, which is preferable.

本発明において「葉酸の安定化」とは、飲料中での経時的な葉酸の分解を抑制することである。   In the present invention, “stabilization of folic acid” is to suppress degradation of folic acid over time in a beverage.

本発明の飲料の好ましいpHは2.5以上である。pHが2.5未満であると酸味が強すぎて服用性の点で好ましくないからである。なお、本発明を用いることで、低pHにおいても飲料中の葉酸を安定化させることができるようになったので、pHが2.5を下回る範囲で本発明を実施することを妨げるものではない。pHの調整には、例えば、クエン酸、リンゴ酸、フマル酸、酒石酸、乳酸及びコハク酸などの有機酸、又はこれら有機酸の塩、リン酸、塩酸などの無機酸、水酸化ナトリウムなどの無機塩基を用いることができる。   The preferred pH of the beverage of the present invention is 2.5 or higher. This is because if the pH is less than 2.5, the acidity is too strong, which is not preferable in terms of ingestion. In addition, since it became possible to stabilize folic acid in beverages even at low pH by using the present invention, it does not prevent the present invention from being carried out in a range where the pH is below 2.5. . For adjusting the pH, for example, organic acids such as citric acid, malic acid, fumaric acid, tartaric acid, lactic acid and succinic acid, or salts of these organic acids, inorganic acids such as phosphoric acid and hydrochloric acid, inorganic acids such as sodium hydroxide, etc. A base can be used.

本発明における「飲料」とは、内服することができる液体であれば特に制限はなく、飲料として必要とされる甘味料等を配合していないものも含まれる。具体的には、例えば内服液剤、ドリンク剤等の医薬品及び指定医薬部外品の他、栄養機能性食品、特定保健用食品等の食品領域における各種飲料が挙げられる。   The “beverage” in the present invention is not particularly limited as long as it is a liquid that can be taken internally, and includes those that do not contain a sweetener or the like required as a beverage. Specifically, for example, in addition to pharmaceuticals such as internal liquids and drinks and designated quasi-drugs, various beverages in food areas such as nutritional functional foods and foods for specified health use can be mentioned.

本発明の飲料には、ビタミン類、ミネラル類、アミノ酸類、生薬、生薬抽出物、カフェインなどを本発明の効果を損なわない範囲で適宜に配合できる。また、必要に応じて抗酸化剤、着色剤、香料、矯味剤、界面活性剤、溶解補助剤、保存剤、甘味料などの添加物を本発明の効果を損なわない範囲で適宜に配合することもできる。   In the beverage of the present invention, vitamins, minerals, amino acids, herbal medicines, herbal extracts, caffeine, and the like can be appropriately blended as long as the effects of the present invention are not impaired. In addition, additives such as antioxidants, colorants, fragrances, flavoring agents, surfactants, solubilizers, preservatives, sweeteners, and the like are appropriately blended as necessary so long as the effects of the invention are not impaired. You can also.

本発明の飲料を調製する方法は特に限定されるものではない。通常、各成分を適量の精製水で溶解した後、pHを調整し、更に精製水を加えて容量調整し、必要に応じて濾過、滅菌処理を施すことにより、葉酸含有飲料として提供することができる。   The method for preparing the beverage of the present invention is not particularly limited. Usually, after each component is dissolved in an appropriate amount of purified water, the pH is adjusted, and the volume is further adjusted by adding purified water, followed by filtration and sterilization as necessary to provide a folic acid-containing beverage. it can.

以下に、実施例、比較例及び試験例を挙げ、本発明をさらに詳細に説明するが、本発明はこれらの実施例等に何ら限定されるものではない。下記において、pHの調整には塩酸又は水酸化ナトリウムを用いている。なお、実施例で用いたグルコン酸カルシウムは1水和物であり、グルコン酸亜鉛は3水和物である。   Hereinafter, the present invention will be described in more detail with reference to Examples, Comparative Examples, and Test Examples, but the present invention is not limited to these Examples. In the following, hydrochloric acid or sodium hydroxide is used for pH adjustment. In addition, the calcium gluconate used in the Example is a monohydrate, and zinc gluconate is a trihydrate.

製造例1
葉酸40mgとクエン酸ナトリウム1000mgを精製水を加えて溶解し、50mLとした後、この溶液から10mLを計りとり、精製水を加えて全量1000mLとし、さらにこの溶液から50mLを計りとった。
Production Example 1
40 mg of folic acid and 1000 mg of sodium citrate were dissolved in purified water to make 50 mL, 10 mL was measured from this solution, purified water was added to make a total volume of 1000 mL, and 50 mL was further measured from this solution.

製造例2
クエン酸ナトリウム4.704g、クエン酸4.800g、及び安息香酸ナトリウム2.88gを精製水を加えて溶かし、精製水を加えて全量1200mLとした溶液から125mLを計りとった。
Production Example 2
4.704 g of sodium citrate, 4.800 g of citric acid and 2.88 g of sodium benzoate were dissolved by adding purified water, and 125 mL was measured from the solution made up to a total volume of 1200 mL by adding purified water.

実施例1−6、参考例1、及び比較例3−5
製造例1及び2で計りとったそれぞれの溶液を混合し、さらに表1−1又は1−2記載の濃度になるように金属の無機塩又は有機塩、糖アルコールを加え、精製水で450mLに調整した後、pHを4.5に調整し、更に精製水を加えて全量を500mLとし、再度pHを4.5に調整して実施例1−6、参考例1、及び比較例3−5の葉酸含有飲料を製造した。なお、表1−1及び1−2の数値は各飲料100mL中の成分の配合量を示している。
Example 1-6, Reference Example 1, and Comparative Example 3-5
Each solution measured in Production Examples 1 and 2 is mixed, and further added with a metal inorganic salt or organic salt and sugar alcohol so as to have a concentration described in Table 1-1 or 1-2, and purified to 450 mL with purified water. After the adjustment, the pH was adjusted to 4.5, further purified water was added to make the total volume 500 mL, and the pH was adjusted to 4.5 again to obtain Example 1-6, Reference Example 1, and Comparative Example 3-5. A folic acid-containing beverage was produced. In addition, the numerical value of Table 1-1 and 1-2 has shown the compounding quantity of the component in 100 mL of each drink.

比較例1
製造例1で計りとった溶液に、クエン酸ナトリウム0.490g、クエン酸0.500gを加えて溶かし、精製水で450mLに調整した後、pHを4.5に調整し、更に精製水を加えて全量を500mLとし、再度pHを4.5に調整して比較例1の葉酸含有飲料を製造した。上記と同様に表1−2の数値は比較例1の飲料100mL中の配合量を示している。
Comparative Example 1
To the solution measured in Production Example 1, 0.490 g of sodium citrate and 0.500 g of citric acid are added and dissolved. After adjusting to 450 mL with purified water, the pH is adjusted to 4.5, and further purified water is added. The total amount was adjusted to 500 mL, and the pH was adjusted to 4.5 again to produce a folic acid-containing beverage of Comparative Example 1. Similarly to the above, the numerical values in Table 1-2 indicate the blending amount in 100 mL of beverage of Comparative Example 1.

比較例2
製造例1及び2で計りとったそれぞれの溶液を混合し、精製水で450mLに調整した後、pHを4.5に調整し、更に精製水を加えて全量を500mLとし、再度pHを4.5に調整して比較例2の葉酸含有飲料を製造した。上記と同様に表1−2の数値は比較例2の飲料100mL中の配合量を示している。
Comparative Example 2
The respective solutions measured in Production Examples 1 and 2 were mixed, adjusted to 450 mL with purified water, adjusted to pH 4.5, and further purified water was added to bring the total volume to 500 mL. The folic acid-containing beverage of Comparative Example 2 was prepared by adjusting to 5. The numerical value of Table 1-2 has shown the compounding quantity in 100 mL of drinks of the comparative example 2 similarly to the above.

試験例1
実施例1−6、参考例1及び比較例1−5の飲料から50mLをガラス瓶に充填しキャップを施して、65℃の恒温槽中で7日間保存し、飲料中の葉酸含有量をHPLCで測定した。葉酸を溶解させた直後の飲料中の葉酸含有量に対して、65℃7日間保存後の葉酸含有量を計算した。結果を表1−1及び1−2に示す。
Test example 1
A glass bottle was filled with 50 mL of the beverage of Example 1-6, Reference Example 1 and Comparative Example 1-5, capped, and stored in a thermostatic bath at 65 ° C. for 7 days, and the folic acid content in the beverage was measured by HPLC. It was measured. The folic acid content after storage at 65 ° C. for 7 days was calculated with respect to the folic acid content in the beverage immediately after folic acid was dissolved. The results are shown in Tables 1-1 and 1-2.

Figure 0005849384
Figure 0005849384

Figure 0005849384
Figure 0005849384

比較例1、2の結果から、安息香酸ナトリウムを配合することで65℃7日間保存後の葉酸含有量の対直後値(%)が低くなることがわかった。しかし、カルシウム、銅、亜鉛を用いた実施例1−5では、安息香酸ナトリウムを配合しているにも関わらず、葉酸含有量の対直後値が比較例1と同程度に維持されていることがわかった。実施例6ではさらにソルビトールを配合することで、比較例1以上の葉酸含有量の対直後値が得られることがわかった。ソルビトールのみを配合した参考例1においても、実施例1−5と同等程度の葉酸含有量の対直後値が得られた。   From the results of Comparative Examples 1 and 2, it was found that by adding sodium benzoate, the folic acid content immediately after storage at 65 ° C. for 7 days (%) was lowered. However, in Example 1-5 using calcium, copper, and zinc, the value immediately after the folic acid content is maintained at the same level as in Comparative Example 1 despite the addition of sodium benzoate. I understood. In Example 6, it was found that the value immediately after the folic acid content of Comparative Example 1 or more was obtained by further blending sorbitol. Also in Reference Example 1 in which only sorbitol was blended, a value immediately after the folic acid content comparable to that of Example 1-5 was obtained.

なお、比較例3−5に示すとおり、カルシウム、銅、亜鉛以外の金属種を用いた場合、葉酸含有量の対直後値は比較例2に比べて低いものであった。すなわち、全ての金属種で飲料中の葉酸の安定性が確保出来るわけではないことがわかった。   As shown in Comparative Example 3-5, when a metal species other than calcium, copper, and zinc was used, the value immediately after the folic acid content was lower than that of Comparative Example 2. That is, it was found that not all metal species can secure the stability of folic acid in beverages.

製造例3
葉酸80mgとクエン酸ナトリウム2000mgを精製水を加えて溶解し、50mLとした後、この溶液から30mLを計りとり、精製水を加えて全量1000mLとし、さらにこの溶液から50mLを計りとった。
Production Example 3
80 mg of folic acid and 2000 mg of sodium citrate were dissolved in purified water to make 50 mL, then 30 mL was measured from this solution, purified water was added to make a total volume of 1000 mL, and 50 mL was further measured from this solution.

製造例4
クエン酸ナトリウム19.60g、クエン酸20.00g、及び安息香酸ナトリウム12.00gを精製水を加えて溶かし、精製水を加えて全量2000mLとした溶液から300mLを計りとった。
Production Example 4
19.60 g of sodium citrate, 20.00 g of citric acid, and 12.00 g of sodium benzoate were dissolved by adding purified water, and 300 mL was measured from the solution made up to 2000 mL by adding purified water.

実施例7−12
製造例3及び4で計りとったそれぞれの溶液を混合し、さらに表2−1又は2−2記載の濃度になるように金属の有機塩を加え、精製水で2500mLに調整した後、pHを3.5又は5.5に調整し、更に精製水を加えて全量を3000mLとし、再度pHを3.5又は5.5に調整して実施例7−12の葉酸含有飲料を製造した。なお、表2−1及び2−2の数値は各飲料100mL中の成分の配合量を示している。
Examples 7-12
After mixing the respective solutions measured in Production Examples 3 and 4, further adding a metal organic salt so as to have the concentration described in Table 2-1 or 2-2, adjusting to 2500 mL with purified water, and then adjusting the pH. The folic acid-containing beverage of Example 7-12 was prepared by adjusting to 3.5 or 5.5, further adding purified water to a total volume of 3000 mL, and again adjusting the pH to 3.5 or 5.5. In addition, the numerical value of Table 2-1 and 2-2 has shown the compounding quantity of the component in 100 mL of each drink.

比較例6−7
製造例3及び4で計りとったそれぞれの溶液を混合し、精製水で2500mLに調整した後、pHを3.5又は5.5に調整し、更に精製水を加えて全量を3000mLとし、再度pHを3.5又は5.5に調整して比較例6−7の葉酸含有飲料を製造した。上記と同様に表2−1及び2−2の数値は各飲料100mL中の成分の配合量を示している。
Comparative Example 6-7
After mixing each solution measured in Production Examples 3 and 4 and adjusting to 2500 mL with purified water, the pH is adjusted to 3.5 or 5.5, and further purified water is added to make the total volume 3000 mL. The folic acid-containing beverage of Comparative Example 6-7 was produced by adjusting the pH to 3.5 or 5.5. Similarly to the above, the numerical values in Tables 2-1 and 2-2 indicate the compounding amounts of the components in 100 mL of each beverage.

試験例2
実施例7−12、及び比較例6−7の飲料から50mLをガラス瓶に充填しキャップを施してさらに80℃恒温槽中で25分間の殺菌を施した。これらを40℃の恒温槽中で3ヶ月間保存し、飲料中の葉酸含有量をHPLCで測定した。葉酸を溶解させた直後の飲料中の葉酸含有量に対して、40℃3ヶ月間保存後の飲料中の葉酸含有量を計算した。結果を表2−1及び2−2に示す。
Test example 2
A glass bottle was filled with 50 mL of the beverages of Examples 7-12 and Comparative Example 6-7, capped, and further sterilized for 25 minutes in an 80 ° C. constant temperature bath. These were stored in a constant temperature bath at 40 ° C. for 3 months, and the folic acid content in the beverage was measured by HPLC. The folic acid content in the beverage after storage at 40 ° C. for 3 months was calculated with respect to the folic acid content in the beverage immediately after folic acid was dissolved. The results are shown in Tables 2-1 and 2-2.

Figure 0005849384
Figure 0005849384

Figure 0005849384
Figure 0005849384

pH3.5及びpH5.5の飲料においても、安息香酸ナトリウムによる葉酸含有量の低下がカルシウム、銅、亜鉛を用いた実施例7−12では、抑制されていることがわかった。   Also in the drink of pH 3.5 and pH 5.5, it turned out that the fall of the folic acid content by sodium benzoate is suppressed in Examples 7-12 using calcium, copper, and zinc.

実施例13−15
製造例1及び2で計りとったそれぞれの溶液を混合し、さらに表3記載の濃度になるようにグルコン酸カルシウム、トレハロースを加え、精製水で450mLに調整した後、pHを2.5に調整し、更に精製水を加えて全量を500mLとし、再度pHを2.5に調整して実施例13−15の葉酸含有飲料を製造した。なお、表3の数値は各飲料100mL中の成分の配合量を示している。
Examples 13-15
Mix each solution measured in Production Example 1 and 2, add calcium gluconate and trehalose to the concentration shown in Table 3, adjust to 450 mL with purified water, then adjust pH to 2.5 Further, purified water was added to make the total amount 500 mL, and the pH was adjusted to 2.5 again to produce a folic acid-containing beverage of Example 13-15. In addition, the numerical value of Table 3 has shown the compounding quantity of the component in 100 mL of each drink.

比較例8
製造例1及び2で計りとったそれぞれの溶液を混合し、精製水で450mLに調整した後、pHを2.5に調整し、更に精製水を加えて全量を500mLとし、再度pHを2.5に調整して比較例8の葉酸含有飲料を製造した。上記と同様に表3の数値は比較例8の飲料100mL中の配合量を示している。
Comparative Example 8
The respective solutions measured in Production Examples 1 and 2 were mixed, adjusted to 450 mL with purified water, adjusted to pH 2.5, and further purified water was added to bring the total volume to 500 mL. The folic acid-containing beverage of Comparative Example 8 was prepared by adjusting to 5. The numerical value of Table 3 has shown the compounding quantity in 100 mL of drinks of the comparative example 8 similarly to the above.

試験例3
実施例13−15、及び比較例8の飲料から50mLをガラス瓶に充填しキャップを施して、65℃の恒温槽中で7日間保存し、飲料中の葉酸含有量をHPLCで測定した。葉酸を溶解させた直後の飲料中の葉酸含有量に対して、65℃7日間保存後の葉酸含有量を計算した。結果を表3に示す。
Test example 3
A glass bottle was filled with 50 mL from the beverages of Examples 13-15 and Comparative Example 8, capped, and stored in a thermostatic bath at 65 ° C. for 7 days, and the folic acid content in the beverage was measured by HPLC. The folic acid content after storage at 65 ° C. for 7 days was calculated with respect to the folic acid content in the beverage immediately after folic acid was dissolved. The results are shown in Table 3.

Figure 0005849384
Figure 0005849384

pH2.5の飲料においても、安息香酸ナトリウムによる葉酸含有量の低下がカルシウムを用いた実施例13−15では、抑制されていることがわかった。また、実施例13と14の比較により、カルシウムの配合量が多いほど葉酸の安定化効果が大きいこと、実施例15より、トレハロースをさらに配合することで葉酸の安定化効果が大きくなること、がわかった。   Also in the drink of pH2.5, it turned out that the fall of the folic acid content by sodium benzoate is suppressed in Examples 13-15 using calcium. Further, according to comparison between Examples 13 and 14, the greater the amount of calcium added, the greater the effect of stabilizing folic acid. From Example 15, the effect of stabilizing folic acid is further increased by further adding trehalose. all right.

以上の結果より、葉酸を含有する飲料において、カルシウム、銅、及び亜鉛からなる群から選ばれる一種以上の金属の無機塩又は有機塩を配合することにより、安息香酸類による葉酸の分解を抑制し安定化を図ることができた。   From the above results, in beverages containing folic acid, by adding one or more inorganic or organic salts of metals selected from the group consisting of calcium, copper, and zinc, the decomposition of folic acid by benzoic acids is suppressed and stabilized. We were able to plan.

本発明により、長期に保存可能な葉酸含有飲料を製造することが可能となったので、商品性の高い葉酸含有飲料を医薬品、指定医薬部外品及び食品の分野において提供することが期待される。   Since the present invention makes it possible to produce a folic acid-containing beverage that can be stored for a long period of time, it is expected to provide a highly commercial folic acid-containing beverage in the fields of pharmaceuticals, designated quasi-drugs and foods. .

Claims (5)

a)葉酸、b)安息香酸類、並びに、c)カルシウム、銅、及び亜鉛からなる群から選ばれる一種以上の金属の無機塩又は有機塩、を配合し、
c)成分の配合量が、葉酸1重量部に対してカルシウム換算で110重量部以上、
亜鉛換算で110重量部以上、銅換算で60重量部以上であることを特徴とする飲料。
a) folic acid, b) benzoic acids, and c) one or more inorganic or organic salts of metals selected from the group consisting of calcium, copper, and zinc,
c) The amount of the component is 110 parts by weight or more in terms of calcium with respect to 1 part by weight of folic acid,
A beverage characterized by being 110 parts by weight or more in terms of zinc and 60 parts by weight or more in terms of copper.
安息香酸類が安息香酸又は安息香酸の塩である請求項1に記載の飲料。 The beverage according to claim 1, wherein the benzoic acid is benzoic acid or a salt of benzoic acid. さらに、糖アルコール又はトレハロースを配合することを特徴とする請求項1又は2に記載の飲料。 Furthermore, sugar alcohol or trehalose is mix | blended, The drink of Claim 1 or 2 characterized by the above-mentioned. 葉酸及び安息香酸類を含有する飲料に、カルシウム、銅、及び亜鉛からなる群から選ばれる一種以上の金属の無機塩又は有機塩を配合し、
カルシウム、銅、及び亜鉛からなる群から選ばれる一種以上の金属の無機塩又は有機塩の配合量が、葉酸1重量部に対してカルシウム換算で110重量部以上、
亜鉛換算で110重量部以上、銅換算で60重量部以上であることを特徴とする、飲料中の葉酸の安定化方法。
In a beverage containing folic acid and benzoic acid, an inorganic salt or organic salt of one or more metals selected from the group consisting of calcium, copper, and zinc are blended,
The amount of the inorganic or organic salt of one or more metals selected from the group consisting of calcium, copper, and zinc is 110 parts by weight or more in terms of calcium with respect to 1 part by weight of folic acid,
A method for stabilizing folic acid in beverages, characterized in that it is 110 parts by weight or more in terms of zinc and 60 parts by weight or more in terms of copper.
さらに、糖アルコール又はトレハロースを配合することを特徴とする請求項4に記載の飲料中の葉酸の安定化方法。 Furthermore, sugar alcohol or trehalose is mix | blended, The stabilization method of the folic acid in the drink of Claim 4 characterized by the above-mentioned.
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