JP4102748B2 - 容器詰紅茶飲料 - Google Patents
容器詰紅茶飲料 Download PDFInfo
- Publication number
- JP4102748B2 JP4102748B2 JP2003404298A JP2003404298A JP4102748B2 JP 4102748 B2 JP4102748 B2 JP 4102748B2 JP 2003404298 A JP2003404298 A JP 2003404298A JP 2003404298 A JP2003404298 A JP 2003404298A JP 4102748 B2 JP4102748 B2 JP 4102748B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- green tea
- tea extract
- polymer catechins
- catechins
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 235000013616 tea Nutrition 0.000 title claims description 23
- ADRVNXBAWSRFAJ-UHFFFAOYSA-N catechin Natural products OC1Cc2cc(O)cc(O)c2OC1c3ccc(O)c(O)c3 ADRVNXBAWSRFAJ-UHFFFAOYSA-N 0.000 claims description 65
- 235000005487 catechin Nutrition 0.000 claims description 65
- 150000001765 catechin Chemical class 0.000 claims description 51
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 48
- 229920000642 polymer Polymers 0.000 claims description 47
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims description 44
- 244000269722 Thea sinensis Species 0.000 claims description 40
- 235000020688 green tea extract Nutrition 0.000 claims description 38
- 229940094952 green tea extract Drugs 0.000 claims description 37
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims description 22
- 229960001948 caffeine Drugs 0.000 claims description 22
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims description 22
- 235000006468 Thea sinensis Nutrition 0.000 claims description 20
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- PFTAWBLQPZVEMU-DZGCQCFKSA-N (+)-catechin Chemical compound C1([C@H]2OC3=CC(O)=CC(O)=C3C[C@@H]2O)=CC=C(O)C(O)=C1 PFTAWBLQPZVEMU-DZGCQCFKSA-N 0.000 claims description 14
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- 235000019830 sodium polyphosphate Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Landscapes
- Tea And Coffee (AREA)
- Non-Alcoholic Beverages (AREA)
Description
ここでいう緑茶抽出物の精製物とは、茶葉から熱水もしくは水溶性有機溶媒により抽出された抽出物を濃縮したものをさらに精製したもの、あるいは抽出された抽出物を直接精製したものであって、(B)シュウ酸濃度並びに(A)非重合体カテキン類と(C)カフェインの比率を調整することにより得ることができる。
また市販の三井農林(株)「ポリフェノン」、伊藤園(株)「テアフラン」、太陽化学(株)「サンフェノン」などの緑茶抽出物の濃縮物を用い、これらの非重合体カテキン類と総ポリフェノール類の成分調整を行うことにより、本発明の目的に適う緑茶抽出物の精製物を得ることもできる。
緑茶抽出物の精製物中のカフェインに対する非重合体カテキン類の比率が低すぎると、紅茶飲料に非重合体カテキン類以外の成分などが多く含まれてしまい、紅茶飲料本来の外観を害し好ましくない。また緑茶抽出物の精製物中のカフェインに対する非重合体カテキン類の比率が高すぎると、カフェイン除去時に茶葉由来の渋味抑制成分等を同時に排除してしまい、風味バランス上好ましくない。
シュウ酸濃度が低すぎる場合、緑茶抽出物の精製度が極端に高すぎることを示しており、茶葉由来の渋味抑制成分等を同時に排除してしまっており、好ましくない。またシュウ酸濃度が高すぎる場合、シュウ酸由来の収斂味が出てしまい、紅茶飲料への配合上適当ではない。
ここでいう非重合体カテキン類の濃度は、カテキン、ガロカテキン、カテキンガレート、ガロカテキンガレート、エピカテキン、エピガロカテキン、エピカテキンガレート及びエピガロカテキンガレートの合計8種の合計量に基づいて定義される。
緑茶抽出物の精製物中の非重合体カテキン類の濃度が、30重量%未満の場合、飲料に配合すべき緑茶抽出物の精製物自体の配合量が多くなる。緑茶抽出物の精製物中の非重合体カテキン類の濃度が、50重量%を超える場合、緑茶抽出物の精製物に存在する総ポリフェノール以外の遊離アミノ酸などの風味をよくする働きを持つ微量成分などを排除してしまう傾向にある。
無機酸類、無機酸塩類としてはリン酸、リン酸二ナトリウム、メタリン酸ナトリウム、ポリリン酸ナトリウムなどが挙げられる。飲料中に0.01〜0.5重量%、好ましくは0.01〜0.3重量%含有するのがよい。
フィルター(0.8μm)でろ過し、次いで蒸留水で希釈した容器詰めされた飲料を、島津製作所製、高速液体クロマトグラフ(型式SCL−10AVP)を用い、オクタデシル基導入液体クロマトグラフ用パックドカラム L−カラムTM ODS(4.6mm×250mm:財団法人 化学物質評価研究機構製)を装着し、カラム温度35℃でグラジエント法により行った。移動相A液は酢酸を0.1mol/L含有の蒸留水溶液、B液は酢酸を0.1mol/L含有のアセトニトリル溶液とし、試料注入量は20μL、UV検出器波長は280nmの条件で行った。
(分析機器)
HPLC(日立製作所社製)装置を使用。
プロッター:D−2500,ディティクター:L−4200
ポンプ:L−7100,オートサンプラー:L−7200
カラム:lnertsil ODS-2、内径2.1mm×長さ250mm
(分析条件)
サンプル注入量:10μL,流量:1.0mL/min
紫外線吸光光度計検出波長:280nm
溶離液A:0.1M酢酸水溶液,溶離液B:0.1M酢酸アセトニトリル溶液
濃度勾配条件(体積%)
時間 溶離液A 溶離液B
0分 97% 3%
5分 97% 3%
37分 80% 20%
43分 80% 20%
43.5分 0% 100%
48.5分 0% 100%
49分 97% 3%
62分 97% 3%
(カフェインのリテンションタイム)
カフェイン:27.2分
ここで求めたエリア%から標準物質により重量%を求めた。
日本ダイオネックス社製(形式DXAQ1110)にカラム:IonPacAS4A−SC、4×250mmを装着し、サプレッサーASRS−ULTRA(ダイオネックス社製)に接続し、リサイクルモードで行った。移動相は1.8mmol/L,Na2CO3/1.7mmol/L,NaHCO3を1.0mL/minで流し、試料注入量は25μLとした。検出器は電気伝導度計を使用した。
緑茶抽出物の濃縮物としてポリフェノンHG(東京フードテクノ社製)100gを常温、250rpm攪拌条件下の95%エタノール水溶液490.9g中に懸濁させ、活性炭クラレコールGLC(クラレケミカル社製)20gと酸性白土ミズカエース#600(水澤化学社製)45gを投入後、約10分間攪拌を続けた。そして40%エタノール水溶液409.1gを10分間かけて滴下したのち、室温のまま約30分間の攪拌処理を続けた。その後、2号濾紙で活性炭及び沈殿物を濾過したのちに0.2μmメンブランフィルターによって再濾過を行った。最後にイオン交換水200gを濾過液に添加して、40℃、0.0272kg/cm2でエタノールを留去し製品を得た。
処理後の非重合体カテキン類/カフェイン重量比=38.8
処理後のシュウ酸/非重合体カテキン類重量比=0.008
なお、原料として用いた緑茶抽出物の濃縮物(ポリフェノンHG、東京フードテクノ社製)は、非重合体カテキン類含有量33.70重量%、カフェイン含有量5.5重量%、非重合体カテキン類/カフェイン=6.1、ガレート体率50.7重量%である。シュウ酸含有量2.03重量%、シュウ酸/非重合体カテキン類=0.06であった。
ポリフェノンHG(東京フードテクノ製)
非重合体カテキン類含有量33.70重量%、シュウ酸含有量2.03重量%、非重合体カテキン類/カフェイン重量比=6.1、シュウ酸/非重合体カテキン類=0.06
ポリフェノン70S(東京フードテクノ製)
非重合体カテキン類含有量81.4重量%、非重合体カテキン類/カフェイン重量比=12000、シュウ酸/非重合体カテキン類=0.00001
表1に示す成分をイオン交換水に溶解して、高濃度の非重合体カテキン水溶液を調製し、渋味評価レベルテストを実施した。
表2に示す配合比率でレモンティ及びストレートティを配合した。pHは重曹とアスコルビン酸で目的とするpHにコントロールした。イオン交換水による調製後、缶に充填し、120℃、10分の加熱処理を施した。
Claims (3)
- (B)シュウ酸と(A)非重合体カテキン類との含有重量比[(B)/(A)]が0.001〜0.01であり且つ(A)非重合体カテキン類と(C)カフェインとの含有重量比[(A)/(C)]が12〜90である緑茶抽出物の精製物を配合してなる、非重合体カテキン類濃度0.05〜0.5重量%の容器詰紅茶飲料。
- 緑茶抽出物の精製物が、固形分中に非重合体カテキン類を25〜90重量%含有する緑茶抽出物の濃縮物を、有機溶媒と水の重量比9/1〜1/9の混合溶液に溶解させ、活性炭及び酸性白土と接触させて選択的にカフェインを除去したものである請求項1項記載の容器詰紅茶飲料。
- さらにサイクロデキストリン0.01〜0.5重量%を含有するものである請求項1又は2項記載の容器詰紅茶飲料。
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4694920B2 (ja) * | 2005-09-07 | 2011-06-08 | 花王株式会社 | 容器詰紅茶飲料 |
JP4768667B2 (ja) * | 2006-06-16 | 2011-09-07 | 花王株式会社 | 容器詰飲料 |
JP2008113569A (ja) * | 2006-11-01 | 2008-05-22 | Dydo Drinco Inc | 茶飲料 |
JP2010045994A (ja) * | 2008-08-20 | 2010-03-04 | Kao Corp | 容器詰茶飲料 |
JP4695684B2 (ja) * | 2008-10-17 | 2011-06-08 | 株式会社 伊藤園 | 高濃度テアフラビン類含有飲料 |
JP2016029932A (ja) * | 2014-07-30 | 2016-03-07 | 花王株式会社 | カテキン含有飲料の製造方法 |
JP6393002B1 (ja) * | 2018-01-23 | 2018-09-19 | 佐藤食品工業株式会社 | カフェイン低減茶飲料の製造方法 |
JP6539377B2 (ja) * | 2018-04-27 | 2019-07-03 | 花王株式会社 | 容器詰飲料 |
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