JP4467594B2 - Cleaning composition for food and beverage equipment and cleaning method - Google Patents
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- 238000004140 cleaning Methods 0.000 title claims description 53
- 239000000203 mixture Substances 0.000 title claims description 33
- 235000013361 beverage Nutrition 0.000 title claims description 20
- 235000013305 food Nutrition 0.000 title claims description 11
- 238000000034 method Methods 0.000 title claims description 7
- 150000003839 salts Chemical class 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 150000001413 amino acids Chemical class 0.000 claims description 10
- 239000003599 detergent Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 235000013405 beer Nutrition 0.000 description 10
- 239000002245 particle Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 238000002835 absorbance Methods 0.000 description 4
- 239000012459 cleaning agent Substances 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004475 Arginine Substances 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 3
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 description 3
- 239000002738 chelating agent Substances 0.000 description 3
- 235000002906 tartaric acid Nutrition 0.000 description 3
- 239000011975 tartaric acid Substances 0.000 description 3
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 2
- 240000007049 Juglans regia Species 0.000 description 2
- 235000009496 Juglans regia Nutrition 0.000 description 2
- ODKSFYDXXFIFQN-BYPYZUCNSA-P L-argininium(2+) Chemical compound NC(=[NH2+])NCCC[C@H]([NH3+])C(O)=O ODKSFYDXXFIFQN-BYPYZUCNSA-P 0.000 description 2
- HNDVDQJCIGZPNO-YFKPBYRVSA-N L-histidine Chemical compound OC(=O)[C@@H](N)CC1=CN=CN1 HNDVDQJCIGZPNO-YFKPBYRVSA-N 0.000 description 2
- KDXKERNSBIXSRK-YFKPBYRVSA-N L-lysine Chemical compound NCCCC[C@H](N)C(O)=O KDXKERNSBIXSRK-YFKPBYRVSA-N 0.000 description 2
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 2
- 239000004472 Lysine Substances 0.000 description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- HNDVDQJCIGZPNO-UHFFFAOYSA-N histidine Natural products OC(=O)C(N)CC1=CN=CN1 HNDVDQJCIGZPNO-UHFFFAOYSA-N 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000001630 malic acid Substances 0.000 description 2
- 235000011090 malic acid Nutrition 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 235000020234 walnut Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 244000144730 Amygdalus persica Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 description 1
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 244000018633 Prunus armeniaca Species 0.000 description 1
- 235000009827 Prunus armeniaca Nutrition 0.000 description 1
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000011481 absorbance measurement Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910001389 inorganic alkali salt Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000005341 metaphosphate group Chemical group 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 239000000467 phytic acid Substances 0.000 description 1
- 229940068041 phytic acid Drugs 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Description
本発明は、洗浄剤組成物に関し、とくにビールディスペンサー等の飲食物用機器の洗浄用の組成物および洗浄方法に関するものである。 The present invention relates to a cleaning composition, and more particularly to a cleaning composition and a cleaning method for food and beverage equipment such as a beer dispenser.
ビール等の飲料は、瓶や缶などの小容量の容器で提供を提供されるとともに、大型の容器からディスペンサー等の飲食物用機器を用いて提供されている。
ビールディスペンサーでは、衛生管理上毎日、装置内部から飲料を除去して内部を洗浄することがおこなわれているが、長期間の使用後には配管をはじめとする器壁にビール成分中のシュウ酸等の有機酸とカルシウム成分とが反応してビアストンと称される物質が付着することが知られている。同様の問題は、ビールを瓶などに充填する充填機をはじめとする各種の機器においても生じている。また、ワイン等においても酒石酸の金属塩が生成することが知られている。
Beverages such as beer are provided in small-capacity containers such as bottles and cans, and are provided from large containers using food and beverage equipment such as dispensers.
In beer dispensers, beverages are removed from the inside of the device and cleaned inside every day for hygiene management, but after long-term use, oxalic acid in beer components, etc. on the walls of pipes and other parts It is known that a substance called Biaston adheres due to the reaction between the organic acid and the calcium component. A similar problem occurs in various devices including a filling machine that fills bottles with beer. It is also known that tartaric acid metal salts are produced in wine and the like.
ビールディスペンサーの場合には、水道水やスポンジ洗浄では除去できず、使用期間とともに蓄積していくのみである。従来、ビールディスペンサーの付着物の洗浄剤としては、水酸化ナトリウムを含有した強アルカリ性洗浄剤を用いることが行われていたが、取扱が容易ではなかった。そこで、ペルオキソ酸塩を用いた洗浄剤（例えば、特許文献１参照）、アミノカルボン酸系キレート剤・アルカノールアミン・陰イオン系界面活性剤および酵素を必須成分とするもの（例えば、特許文献２参照）、あるいは無機アルカリ塩の過酸化水素付加物と有機キレート剤を必須成分とするもの（例えば、特許文献３参照３）など、取扱が容易な材料を用いたものが提案されている。
しかしながら、水溶液中に過酸化水素を生成するもの、水生生物に対して毒性を有するアミノカルボン酸系キレート剤を用いるものでは、料飲店内で行うほどに安全性の高いものではなく、界面活性剤を用いるものでは洗浄後の泡の処理が困難であった。
However, those that generate hydrogen peroxide in an aqueous solution and those that use aminocarboxylic acid-based chelating agents that are toxic to aquatic organisms are not as safe as those used in restaurants, and surfactants are not used. It was difficult to treat the foam after washing with the one used.
本発明は、より安全で優れた洗浄力を有する飲食物用機器の洗浄剤組成物および洗浄方法を提供することを課題とするものである。 This invention makes it a subject to provide the cleaning composition and the washing | cleaning method of the apparatus for food-drinks which have the safer and the outstanding cleaning power.
本発明の課題は、塩基性アミノ酸を含むことを特徴とする飲料供給装置の洗浄剤組成物によって解決することができる。
塩基性アミノ酸がアルギニン、ヒスチジン、リジンから選ばれる少なくとも１種である前記の洗浄剤組成物である。
また、ヒドロキシカルボン酸またはその塩、あるいはリン酸塩を含有する前記の飲料供給装置の洗浄剤組成物である。
ヒドロキシカルボン酸またはその塩が、クエン酸またはその塩、リンゴ酸またはその塩、乳酸またはその塩、酒石酸またはその塩の少なくともいずれか１種である前記の飲料供給装置の洗浄剤組成物である。
植物種子破砕物を含有する前記の飲料供給装置の洗浄剤組成物である。
飲料供給装置が飲料用ディスペンサーであることを特徴とする前記の洗浄剤組成物である。
前記の洗浄剤組成物を含有する水溶液を飲食物用機器の内部で循環して機器内部を洗浄する飲料供給装置の洗浄方法である。
また、前記の洗浄剤組成物の水溶液を０℃〜５０℃の温度で循環する前記の洗浄方法である。
The object of the present invention can be solved by a detergent composition for a beverage supply device comprising a basic amino acid.
In the above cleaning composition, the basic amino acid is at least one selected from arginine, histidine, and lysine.
Moreover, it is a cleaning composition of the said drink supply apparatus containing hydroxycarboxylic acid or its salt, or a phosphate.
It is a cleaning composition for beverages as described above, wherein the hydroxycarboxylic acid or salt thereof is at least one of citric acid or salt thereof, malic acid or salt thereof, lactic acid or salt thereof, tartaric acid or salt thereof.
It is a cleaning composition of the said drink supply apparatus containing a plant seed crushed material.
The above-mentioned cleaning composition, wherein the beverage supply device is a beverage dispenser.
It is the washing | cleaning method of the drink supply apparatus which circulates the aqueous solution containing the said cleaning composition inside the apparatus for food and drink, and wash | cleans the inside of an apparatus .
Moreover, it is the said cleaning method which circulates the aqueous solution of the said cleaning composition at the temperature of 0 degreeC-50 degreeC.
本発明の洗浄剤組成物は、食品添加物としても使用することが可能な安全性の高い食品素材より構成されており、安全性が極めて高くかつ良好な洗浄性能を有するため、料飲店外に飲料供給装置を移動させること無く、店内においても洗浄作業が可能である。 The cleaning composition of the present invention is composed of a highly safe food material that can be used as a food additive, and has extremely high safety and good cleaning performance. The washing operation can be performed in the store without moving the beverage supply device.
本発明は、飲食物用機器の洗浄剤として用いられていた、激しい性質の化学物質や廃棄に問題がなく、洗浄剤の除去に大量の水を必要としない洗浄剤組成物について検討した結果、特定のアミノ酸を含有する水溶液は、従来の洗浄剤組成物に比べて取扱が極めて容易であるのみならず、ビアストン等の溶解除去に対して極めて大きな効果が得られることを見出したものである。 The present invention has been used as a cleaning agent for food and beverage equipment, and there is no problem with violent chemical substances and disposal, and as a result of examining a cleaning composition that does not require a large amount of water to remove the cleaning agent, It has been found that an aqueous solution containing a specific amino acid is not only very easy to handle as compared with a conventional detergent composition, but also has a great effect on dissolving and removing Biaston and the like.
以下に本発明の飲食物機器用洗浄剤組成物および洗浄方法について詳述する。
本発明に使用する塩基性アミノ酸とは、不斉炭素に連なる炭化水素残基が正電荷を有するアミノ酸であって水溶液が塩基性を示すものを言い、天然アミノ酸としてはアルギニン、ヒスチジン、リジンを挙げることができ、これらを含む水溶液を洗浄剤組成物とすることができる。
また、これらのなかでも、水溶液中安定性および洗浄効果の点でアルギニンが好ましい。
また、洗浄剤組成物中の塩基性アミノ酸の含有量は０．０１〜４質量％であることが好ましい。また、より好ましくは０．０５〜３質量％である。
０．０１質量％よりも濃度が低い場合は洗浄効果が充分なものではなく、４質量％よりも濃度が高い場合は溶解性が充分ではなくまた大きな洗浄効果を得ることができない。
Hereinafter, the cleaning composition for food and beverage equipment and the cleaning method of the present invention will be described in detail.
The basic amino acid used in the present invention is an amino acid in which a hydrocarbon residue connected to an asymmetric carbon has a positive charge and an aqueous solution shows basicity. Natural amino acids include arginine, histidine, and lysine. The aqueous solution containing these can be used as a cleaning composition.
Of these, arginine is preferable in terms of stability in aqueous solution and cleaning effect.
Moreover, it is preferable that content of the basic amino acid in a cleaning composition is 0.01-4 mass%. Moreover, More preferably, it is 0.05-3 mass%.
When the concentration is lower than 0.01% by mass, the cleaning effect is not sufficient. When the concentration is higher than 4% by mass, the solubility is not sufficient and a large cleaning effect cannot be obtained.
また、ビールの醸造時に使用した水の特性によっては、ビアストン中に炭酸カルシウムに代表される無機塩が蓄積する場合があるが、これらの無機塩を除去するために、塩基性アミノ酸に加えて、ヒドロキシカルボン酸またはその塩あるいはリン酸塩を添加することによってその作用を高めることができる。ヒドロキシカルボン酸またはその塩としては、クエン酸またはその塩、リンゴ酸またはその塩、乳酸またはその塩、あるいは酒石酸またはその塩が挙げられる。
ヒドロキシカルボン酸は、塩基性アミノ酸が高濃度で洗浄剤のｐＨが１０より大きい強アルカリを示した場合のｐＨ調整剤としても用いることができる。またリン酸塩としては、ポリリン酸塩、メタリン酸塩、ピロリン酸塩、あるいはフィチン酸またはその塩などが挙げられる。
また、ヒドロキシカルボン酸またはその塩あるいはリン酸塩の含有量は、水溶液中に０．０１〜５質量％好ましくは０．１〜１．５質量％である。
In addition, depending on the characteristics of the water used when brewing beer, inorganic salts represented by calcium carbonate may accumulate in beerstone. In order to remove these inorganic salts, in addition to basic amino acids, The action can be enhanced by adding hydroxycarboxylic acid or a salt or phosphate thereof. Examples of the hydroxycarboxylic acid or a salt thereof include citric acid or a salt thereof, malic acid or a salt thereof, lactic acid or a salt thereof, or tartaric acid or a salt thereof.
Hydroxycarboxylic acid can also be used as a pH adjuster in the case where the basic amino acid shows a strong alkali having a high concentration and the pH of the detergent is greater than 10. Examples of the phosphate include polyphosphate, metaphosphate, pyrophosphate, phytic acid or a salt thereof.
Moreover, content of hydroxycarboxylic acid or its salt, or phosphate is 0.01-5 mass% in aqueous solution, Preferably it is 0.1-1.5 mass%.
また、本発明の洗浄剤組成物には、植物種子破砕物を含有させることができる。植物種子破砕物としては、果実の種子あるいはその殻、芯を破砕したものであり、くるみ、桃、梅、杏、の種子の固い殻の破砕物、とうもろこしの芯の破砕物を用いることができる。粒子の大きさとしては、個数平均粒径０．３〜２．５ｍｍ、好ましくは個数平均粒径０．５〜１．５ｍｍである。平均粒径が０．３ｍｍよりも細かい粒子ではせん断の効果が弱く洗浄作用の向上の効果が得られず、平均粒径が２．５ｍｍよりも大きい粒子ではコイル内で閉塞する場合がある。
植物種子破砕物の含有量は、洗浄液の０．１〜８重質量％、好ましくは０．５〜４質量％である。０．１重量％より少ないとせん断の効果が弱く、８質量％よりも多いと円滑なな循環が得られない。
Moreover, the detergent composition of the present invention may contain a plant seed crushed material. As the plant seed crushed material, fruit seed or its shell and core are crushed, and crushed material of walnut, peach, plum, apricot seeds, corn core can be used. . The size of the particles is a number average particle size of 0.3 to 2.5 mm, preferably a number average particle size of 0.5 to 1.5 mm. Particles with an average particle size smaller than 0.3 mm have a weak shearing effect and an effect of improving the cleaning action cannot be obtained, and particles with an average particle size larger than 2.5 mm may be blocked in the coil.
The content of the plant seed crushed material is 0.1 to 8% by mass, preferably 0.5 to 4% by mass of the washing liquid. If it is less than 0.1% by weight, the effect of shearing is weak, and if it is more than 8% by weight, smooth circulation cannot be obtained.
また、本発明の洗浄剤組成物を用いて飲食物用機器配管の洗浄を行うには洗浄液温度を０〜５０℃にし、手動あるいは電動ポンプにて１０〜３０分間の循環あるいは浸漬することにより洗浄できる。配管内の汚れがひどく植物種子破砕物を用いて洗浄を行う場合は、スラリー輸送が可能なポンプにより循環洗浄できる。
以下、実施例を示して説明する。
In order to clean food and beverage equipment piping using the cleaning composition of the present invention, the cleaning liquid temperature is set to 0 to 50 ° C., and cleaning is performed by circulation or immersion for 10 to 30 minutes manually or with an electric pump. it can. When cleaning is performed using plant seed crushed material due to severe dirt in the piping, it can be circulated and cleaned by a pump capable of slurry transportation.
Examples will be described below.
実施例１
表１に記載した配合の洗浄剤組成物を調製して下記の条件にて試験を行い下記の評価基準で洗浄性能について評価した。組成物の成分は質量％で示す。
洗浄性能試験
吸光度測定
２年間使用したステンレス鋼製のビールディスペンサーの配管を長さ５０ｍｍに切断した試料を作製し、４０℃の洗浄剤組成物を５Ｌ／ｍｉｎの循環量で１０分間循環して洗浄した。洗浄終了後、洗浄剤組成物を分光光度計（島津製作所製ＵＶ１６００）を使用してセル長１０ｍｍで４００ｎｍにおける吸光度を測定した。
また、洗浄剤組成物として、１規程水酸化ナトリウム水溶液を用いて同様に洗浄を行った場合の洗浄後の水酸化ナトリウム水溶液の吸光度を測定し、水酸化ナトリウム水溶液を洗浄剤とした場合の吸光度に対する、各洗浄剤組成物による吸光度の比を洗浄率として百分率で表１に示した。
Example 1
A cleaning composition having the composition described in Table 1 was prepared and tested under the following conditions, and the cleaning performance was evaluated according to the following evaluation criteria. The components of the composition are expressed in mass%.
Absorbance measurement of cleaning performance test A sample of a stainless steel beer dispenser pipe used for 2 years was cut to a length of 50 mm, and a cleaning composition at 40 ° C. was circulated for 10 minutes at a circulation rate of 5 L / min for cleaning. did. After completion of washing, the absorbance of the detergent composition at 400 nm was measured at a cell length of 10 mm using a spectrophotometer (Shimadzu UV1600).
Further, as the cleaning composition, the absorbance of the sodium hydroxide aqueous solution after the cleaning when the same cleaning was performed using the 1 standard sodium hydroxide aqueous solution was measured, and the absorbance when the aqueous sodium hydroxide solution was used as the cleaning agent was measured. Table 1 shows the ratio of the absorbance of each cleaning composition to the cleaning ratio as a percentage.
目視試験
洗浄処理後の各試料を切断して内部を目視で評価をし、以下の評価基準によって表１に示した。
優 ：洗浄が良好であり、付着物による着色はほとんど見られない。
良 ：洗浄効果は認められるが、着色が認められるもの。
不良：付着物の除去が進んでいないもの、あるいはわずかなもの。
Each sample after the visual test cleaning treatment was cut and the inside was visually evaluated. The results are shown in Table 1 according to the following evaluation criteria.
Excellent: Cleaning is good and coloring due to adhering matter is hardly seen.
Good: A cleaning effect is observed, but coloring is observed.
Defective: Something that hasn't progressed to removal of deposits, or a few.
ただし、表１において、クエン酸ナトリウムは２水和物を示す。また、＃１２／１４コーン芯は、個数平均粒径１．４ｍｍ、＃１２くるみ殻は、個数平均粒径１．５ｍｍである。 However, in Table 1, sodium citrate indicates a dihydrate. The # 12/14 cone core has a number average particle size of 1.4 mm, and the # 12 walnut shell has a number average particle size of 1.5 mm.
以下の物質を用いて評価を行いその結果を表２に示す。
上記のように、比較試料１，３の結果は実施例と同程度あるいはそれ以上のｐＨであるにもかかわらず洗浄力が不充分であった。また、比較試料２はアルカリ性が強いにも関わらず、本発明の実施例のものに比べて洗浄率が充分ではなかった。 As described above, the results of Comparative Samples 1 and 3 were insufficient in detergency even though the pH was the same as or higher than that of the Examples. Moreover, although the comparative sample 2 was strong in alkalinity, the cleaning rate was not sufficient as compared with the example of the present invention.
本発明の飲食物用機器の洗浄剤組成物は、ｐＨが弱アルカリ性域にあるにもかかわらず、ビールディスペンサー等に付着する物質の洗浄力が大きく、取扱易く、安全性が大きく、洗浄後の処理も容易であるという特徴を有しており、飲食物用機器の洗浄剤組成物として極めて有用である。 The cleaning composition for food and beverage equipment of the present invention has a large cleaning power for substances adhering to a beer dispenser, etc., despite the fact that the pH is in a weakly alkaline range, is easy to handle, has high safety, It has a feature that it can be easily treated, and is extremely useful as a cleaning composition for food and beverage equipment.
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