DE2627534A1 - Hop extract contg. little or no water - and consisting of resins, oils, waxes and opt. tannins - Google Patents

Hop extract contg. little or no water - and consisting of resins, oils, waxes and opt. tannins

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Publication number
DE2627534A1
DE2627534A1 DE19762627534 DE2627534A DE2627534A1 DE 2627534 A1 DE2627534 A1 DE 2627534A1 DE 19762627534 DE19762627534 DE 19762627534 DE 2627534 A DE2627534 A DE 2627534A DE 2627534 A1 DE2627534 A1 DE 2627534A1
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Prior art keywords
extract
hop
prod
oils
waxes
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Pending
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DE19762627534
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German (de)
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Auf Nichtnennung Antrag
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Hopfen Extraktion Barth & GmbH
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Hopfen Extraktion Barth & GmbH
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Priority to DE19762627534 priority Critical patent/DE2627534A1/en
Publication of DE2627534A1 publication Critical patent/DE2627534A1/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12CBEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C7/00Preparation of wort
    • C12C7/20Boiling the beerwort
    • C12C7/205Boiling with hops
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12CBEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C3/00Treatment of hops
    • C12C3/04Conserving; Storing; Packing
    • C12C3/06Powder or pellets from hops
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12CBEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C3/00Treatment of hops
    • C12C3/04Conserving; Storing; Packing
    • C12C3/08Solvent extracts from hops
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12CBEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C9/00Methods specially adapted for the making of beerwort
    • C12C9/02Beerwort treatment; Boiling with hops; Hop extraction
    • C12C9/025Preparation of hop extracts ; Isomerisation of these extracts; Treatment of beerwort with these extracts; Surrogates of the hop

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Food Science & Technology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Fats And Perfumes (AREA)

Abstract

Hop extract, consisting of hop resins, -oils and -waxes and opt. tanning principleS, contains 0-10 (0-6) Prod. has improved storage-stability, is measured out more easily, can be used up better and has appearance of natural prod. Increased surface allows better determination of properties, e.g., aroma and colour. Prod. dissolves within a few mins., without leaving a residue, resists chemical changes and retains aroma components. Increased solubility leads to increased isomerisation of contents, esp. of alpha-acids to iso-alpha-acids, e.g., by 11%. Extract having a lower range water content is present as a porous cake or as a pelletisable coarse- or fine-grained or even powdery prod. High range water-contg. extract can be a kneadable material.

Description

Hopfenextrakt" Hop extract "

Die Erfindung richtet sich auf einen Hopfenextrakt, bestehend im wesentlichen aus Hopfenharzen, -ölen und -wachsen sowie gegebenenfalls Gerbstoffen.The invention is directed to a hop extract consisting essentially made from hop resins, oils and waxes and possibly tannins.

Im Handel und im Gebrauch sind gepreßte Pellets aus Hopfenpulver gebräuchlich, die gegebenenfalls auch noch mit einem extrahierten Hopfenkonzentrat mit den Hopfenharzen, -ölen und dergl.,gegebenenfalls auch mit Gerbstoffen, angereichert sein können. Die Pellets bestehen zum großen Teil aus Faserstoffen, die nach dem Zusatz aus dem Sud wieder entfernt werden müssen.In trade and in use, pressed pellets made from hop powder are common, possibly also with an extracted hop concentrate with the hop resins, oils and the like, optionally also with tannins, can be enriched. The pellets largely consist of fiber, which after the addition of the Sud must be removed again.

Es sind demgegenüber auch Hopfenextrakte gebräuchlich, die mit organischen Lösungsmitteln, wie Methanol, Äthanol, Hexan oder vorzugsweise Methylenchlorid, erzielt werden und nach Austreiben des Lösungsmittels in den Handel gelangen. Der Vorteil dieses Produktes liegt in der höheren Konzentration der Hopfenextrakte und vornehmlich in der praktischen Rückstandsfreiheit. Es handelt sich um eine hochviskose grüne Flüssigkeit, die im wesentlichen aus den Harzen, Ölen und Wachsen besteht, die die Bitterstoffe und Aromakomponenten enthalten. In einer zweiten Extraktionsstufe mit Heißwasser werden aus dem Ausgangshopfen Eiweiße, Kohlehydrate und besonders die Hopfengerbstoffe gewonnen. Beide Komponenten, also der Reinharzextrakt und der Gerbstoffextrakt, werden vielfach zu einer Mischung vereinigt unter verschiedenen Anteilen beider Komponenten. Diese Mischung wird homogenisiert und ist als zähe Flüssigkeit handelsfähiges Produkt.In contrast, hop extracts that contain organic Solvents such as methanol, ethanol, hexane or preferably methylene chloride, can be achieved and after driving off the solvent on the market. Of the The advantage of this product is the higher concentration of the hop extracts and primarily in the practical absence of residues. It is a highly viscous one green liquid, which mainly consists of resins, oils and waxes, which contain the bitter substances and aroma components. In a second extraction stage With hot water, the starting hops become proteins, carbohydrates and especially won the hops tannins. Both components, i.e. the pure resin extract and the Tannin extract are often combined into a mixture of different Proportion of both components. This mixture is homogenized and is considered tough Liquid tradable product.

Um dem Braufachmann einen Hopfenextrakt an die Hand zu geben, der gegenüber den bekannten Erzeugnissen verbesserte Anwendungseigenschaften, wie bessere Lagerhaltung, leichtere Dosierung, erhöhten Ausnützungsgrad usw., aufweist und diese Vorzüge mit denen der hohen Konzentration verbindet, schafft die Erfindung einen Hopfenextrakt, der sich durch einen Wassergehalt von o bis 1080, vorzugsweise bis etwa 6%, auszeichnet. Dieses Erzeugnis liegt, soweit es sich um den unteren Bereich des angegebenen Wassergehalts handelt, in Form eines porösen Kuchens oder grobkörnigen, feinkörnigen oder gar pulverförmigen Produkts vor, woraus gegebenenfalls wieder Pellets oder andere Formkörper gepreßt werden können.To give the brewer a hop extract that compared to the known products improved application properties, such as better Storage, lighter dosage, increased degree of utilization, etc., and this The invention creates one that combines advantages with those of high concentration Hop extract, which has a water content of 0 to 1080, preferably up to about 6%. This product is as far as it is the lower range of the specified water content, in the form of a porous cake or coarse-grained, fine-grained or even powdery product, from which again if necessary Pellets or other shaped bodies can be pressed.

Im oberen Bereich des angegebenen Wassergehalts kann dieser Hopfenextrakt auch eine plastisch bildsame, knetbare Substanz sein, aus der vorteilhaft Formkörper bestimmter Größe hergestellt werden können. Dieser Anpassungsfähigkeit der Anwendungsformen des erfindungsgemäßen Hopfenextraktes entsprechen eine Reihe von Vorteilen.This hop extract can be used in the upper range of the specified water content also be a plastically malleable, kneadable substance from the advantageous molded body certain size can be produced. This adaptability of the forms of application of the hop extract according to the invention correspond to one row of Benefits.

Das erfindungsgemäße Erzeugnis erweckt gegenüber den gebräuchlichen Hopfenextrakten rein optisch einen dem natürlichen Ausgangsprodukt näherstehenden Eindruck.Durch die vergrößerte Oberfläche des Produkts läßt sich eine verbesserte Geruchsprüfung, d.h. eine Erkennung der charakteristischen Eigenschaften, wie Geruchsaroma,Farbe und dergl. leichter als beim flüssigen Extrakt durchführen.The product according to the invention awakens compared to the usual From a purely visual point of view, hop extracts are closer to the natural starting product The increased surface area of the product allows for an improved impression Odor test, i.e. a recognition of the characteristic properties, such as odor aroma, color and the like. Easier to carry out than with the liquid extract.

Für den Wasserentzug kommen die bekannten Trocknungstechnologien und -apparate in Betracht. Diese Technologien sind zu-mindest teilweise bestimmend für die Erscheinungsform des Endprodukts, dessen Schüttgewicht sich nach seiner Teilchengröße bestimmt und infolgedessen in vergleichsweise weiten Grenzen einstellbar ist.The well-known drying technologies and are used for dehydration -apparatus under consideration. These technologies are at least partially determinative for the appearance of the end product, the bulk density of which depends on its particle size determined and is therefore adjustable within comparatively wide limits.

Das Löslichkeitsverhalten des erfindungsgemäßen Hopfenextrakts ist überraschenderweise wesentlich besser gegenüber demjenigen bekannter Hopfenextrakte, die sehr unterschiedliche Auflösungseigenschaften aufweisen, eine Erscheinung, die noch nicht restlos geklärt ist. Diese Nachteile vermeidet das erfindungsgemäße Produkt, das sich, vornehmlich aufgrund seiner großen Oberfläche innerhalb kurzer Zeit, d.h. wenigen Minuten, praktisch bückstandfrei löst.The solubility behavior of the hop extract according to the invention is Surprisingly, much better than that of known hop extracts, which have very different resolution properties, a phenomenon that has not yet been fully clarified. The product according to the invention avoids these disadvantages, which, mainly due to its large surface area, can be moved within a short time, i. a few minutes, practically without leaving any residue.

Es hat sich gezeigt, daß der erfindungsgemäße Wasserentzug auch zu verbesserten chemischen Eigenschaften des Extrakts führt. Es konnten keine chemischen Veränderungen gegenüber vorbekannten Hopfenextrakten festgestellt werden, wie das folgende Beispiel der Bestimmung der Bitterstoffzusammensetzung zeigt, wobei die beiden Vergleichserzeugnisse sowohl in lufttrocknen als auch in wasserfreiem Zustand in GewichtSprozenten einander gegenübergestellt werden: Tabelle 1: Bitterstoffzusammensetzung eines Ausgangs extraktes und des "Trockenextraktes" (Sorte: Hallertauer mittelfrüh, Ernte 1975) Ausgangsprodukt Trockenextrakt lftr. wfr. lftr. wfr.It has been shown that the dehydration according to the invention also leads to leads to improved chemical properties of the extract. It couldn't be chemical Changes compared to previously known hop extracts can be determined, such as the following Example of the determination of the bitter substance composition shows, with the two comparison products both in air-dry and in anhydrous state in percent by weight can be compared with one another: Table 1: Bitter composition of a starting extract and the "dry extract" (Variety: Hallertauer medium early, harvest 1975) Starting product dry extract lftr. wfr. lftr. wfr.

Wassergehalt 18.5 4.0 Gesamtharz 34.9 42.8 41.4 43.1 Weichharz 30.6 37.5 35.8 37.3 ot- Säuren Kond. 13.5 16.6 16.0 16.7 Es sind darüber hinaus aucbdie Aromakomponenten in dem erfindungsgemäßen Hopfenextrakt voll enthalten. Allenfalls können bei den leicht flüchtigen Komponenten durch eine Vacuumbehandlung beim Trockenvorgang Verluste auftreten. Diese Erscheinung ist allerdings positiv zu bewerten, da den leicht flüchtigen Aromakomponenten nach herrschender Auffassung eher negative Eigenschaften nachgesagt werden.Water content 18.5 4.0 total resin 34.9 42.8 41.4 43.1 soft resin 30.6 37.5 35.8 37.3 ot- acids cond. 13.5 16.6 16.0 16.7 There are also the Aroma components are fully contained in the hop extract according to the invention. At most can with the volatile components by a vacuum treatment during the drying process Losses occur. This phenomenon is to be assessed positively, however, because the volatile aroma components tend to have negative properties according to the prevailing opinion are said to be.

Tabelle 2: Aromakomponenten eines Ausgangsextraktes und des "Trockenextraktes" (Sorte: Hallertau mittelfrüh, Ernte 1975) Ausgangs produkt Trockenextrakt lftr. wfr. lftr. wfr.Table 2: Aroma components of a starting extract and the "dry extract" (Variety: Hallertau medium early, harvest 1975) Starting product dry extract lftr. wfr. lftr. wfr.

2-Methyl-3-buten-2-ol mg/100 g 10.4 12.8 10.0 10.4 g-Pinen " 8.8 10.8 9.6 10.0 Myrcen " 621.0 762.0 682.8 711.3 Linalool If 16.0 19.6 18.7 19.5 Methylpelargonat " 6.6 8.1 8.1 8.4 2-Undecanon " 17.4 21.3 19.8 20.6 -Caryophyllen " 286.0 350.9 325.0 338.5 Humulen " 668.0 819.6 790.7 823.6 Die Gerbstoffe, die als relativ instabile Substanzen gelten und leicht polymerisieren und infolgedessen an Brauwe@t verlieren, bleiben bei dem erfindungsgemäßen Hopfenextrakt praktisch unverändert erhalten. Von besonderem Vorteil ist ferner, daß durch den erfindungsgemäßen Wasserentzug zugleich der Restlösungsmittelanteil, der von der Extraktion herrührt, beachtlich unter die bisher übliche Nachweisgrenze vermindet':werden kann. Dies ergibt sich aus der folgenden Tabelle 3.2-methyl-3-buten-2-ol mg / 100 g 10.4 12.8 10.0 10.4 g-pinene "8.8 10.8 9.6 10.0 Myrcene "621.0 762.0 682.8 711.3 Linalool If 16.0 19.6 18.7 19.5 Methyl Pelargonate "6.6 8.1 8.1 8.4 2-Undecanone" 17.4 21.3 19.8 20.6 -Caryophyllene "286.0 350.9 325.0 338.5 Humulene "668.0 819.6 790.7 823.6 The tannins, which are considered to be relatively unstable Substances apply and polymerize easily and consequently lose their brewing weight, remain practically unchanged in the hop extract according to the invention. It is also of particular advantage that the removal of water according to the invention at the same time, the residual solvent content resulting from the extraction is considerable below the detection limit customary up to now ': can be. This arises from the following table 3.

Tabelle 3: Restlösungsmittelgehalte(Methylenchlorio') eines Ausgangs- und "Trockenextraktes" (Hallertauer mittelfrüh, Ernte 1975) Ausgangsprodukt Trockenextrakt lftr. wf.r. lftr. wir.Table 3: Residual solvent content (methylene chloride) of an initial and "Trockenextraktes" (Hallertauer medium early, harvest 1975) starting product dry extract lftr. wf.r. lftr. weather.

Methylenchlorid (Gew.%) 1.2 1.5 O 0 Methylenchlorid (ppm) 12000 14724 5100 Wesentliche Vorteile weist der erfindungsgemäße Hopfenextrakt hinsichtlich seiner Lagerbarkeit auf, da der hohe Wassergehalt des gebräuchlichen flüssigen Extraktes zu chemischen Veränderungen führen kann, die den Brauwert vermindern.Methylene chloride (% by weight) 1.2 1.5 O 0 methylene chloride (ppm) 12000 14724 5100 The hop extract according to the invention has significant advantages with regard to its shelf life due to the high water content of the common liquid extract can lead to chemical changes that reduce the brewing value.

Der praktisch in trockner Form, gekörnt oder in Formkörpern vorliegende Hopfenextrakt läßt sich weit besser exakt dosieren als das hochviskose flüssige Erzeugnis, woraus erhebliche anwendungstechnische Vorzüge resultieren. Der Zusatz erfolgt praktisch verlustfrei und quantitativ in Sekundenschnelle, und der trockene Extrakt verteilt sich unverzüglich in der in der Sudpfanne befindlichen Würze. Das zuzusetzaende getrocknete Produkt zeigt auch keine Entmischungserscheinungen hinsichtlich der Bitterstoff- und Gerbstoff-Anteile. Seine Homogenität bleibt stets erhalten. Bei der Zugabe treten auch keine Ablagerungen an den Gefäßen in Erscheinung, die gegebenenfalls zu Betriebsstörungen führen können. Schließlich ist der Ausnützungsgrad des trockenen Produkts wesentlich besser als des hochviskos fließfähigen. Die bessere Löslichkeit hat nämlich eine vermehrte Isomerisierung der Inhaltsstoffe, insbesondere der oc- Säuren zu Iso - oC- Säuren zur Folge. Diese Erscheinung ist aus dem folgenden Beispiel nach Tabelle 4 ersichtlich: Tabelle 4: Isomerisierungsgrad zweier Sude aus konventionellem Flussigkeitsextrakt und "Trockenextrakt" (Hallertauer mittelfrüh) Flüssig extrakt Trockenextrakt o'-Säure-gabe (mg/l) 80.0 80.0 Isohumulone in Ausschlagwürze (mg/l) 44.0 47.2 Isohumulone in - fertigen Bier(mg/l) 26.2 29.0 Isomerisierungsgrad (%) 32.8 36.3 Mehrausbeute (%) - + 11 %The practically in dry form, granular or in molded bodies Hop extract can be precisely dosed far better than the highly viscous liquid Product, which results in considerable technical advantages. The addition takes place practically loss-free and quantitatively in seconds, and the dry one The extract is distributed immediately in the wort in the brewing pan. That The dried product to be added also shows no signs of segregation with regard to the bitter and tannin components. Its homogeneity is always preserved. When adding, no deposits appear on the vessels either may lead to operational disruptions. Finally, there is the degree of utilization the dry product is much better than the highly viscous flowable product. The better one Solubility has namely an increased isomerization of the ingredients, in particular the oc acids to iso - oC acids result. This appearance is from the following Example according to Table 4 can be seen: Table 4: Degree of isomerization of two brews from conventional liquid extract and "dry extract" (Hallertauer medium early) Liquid extract dry extract o'-acid administration (mg / l) 80.0 80.0 Isohumulone in wort (mg / l) 44.0 47.2 Isohumulones in finished beer (mg / l) 26.2 29.0 Degree of isomerization (%) 32.8 36.3 Additional yield (%) - + 11%

Claims (1)

Patentanspruch Hopfenextrakt, bestehend im wesentlichen aus Hopfenharzen, -ölen und -wachsen sowie gegebenenfalls Gerbstoffen, gekennzeichnet durch einen Wassergehalt von 0 - 10 %, vorzugsweise 0 - 6 %. Patent claim hop extract, consisting essentially of hop resins, oils and waxes and optionally tanning agents, characterized by a Water content of 0-10%, preferably 0-6%.
DE19762627534 1976-06-19 1976-06-19 Hop extract contg. little or no water - and consisting of resins, oils, waxes and opt. tannins Pending DE2627534A1 (en)

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Application Number Priority Date Filing Date Title
DE19762627534 DE2627534A1 (en) 1976-06-19 1976-06-19 Hop extract contg. little or no water - and consisting of resins, oils, waxes and opt. tannins

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DE19762627534 DE2627534A1 (en) 1976-06-19 1976-06-19 Hop extract contg. little or no water - and consisting of resins, oils, waxes and opt. tannins

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729015A1 (en) * 1977-06-28 1979-01-04 Lupofresh Allfeld & Egloff Kg PROCESS FOR AFTER-DRYING HOP AND HOP PRODUCT
EP0065222A2 (en) * 1981-05-07 1982-11-24 SKW Trostberg Aktiengesellschaft Process for drying extracts of natural products obtained by high pressure extraction from plants (whole or part)
EP0347493B1 (en) * 1988-06-24 1993-03-10 Emil Flachsmann AG Process for producing partial medicinal and/or herbal plant extracts containing vapour-volatile and other lipophilic constituents
DE19939350A1 (en) * 1999-08-19 2001-02-22 Plantextrakt Gmbh & Co Kg Xanthohumol containing hop extract, useful as additive for beer and non-alcoholic drinks and for treatment of cancers
US7144592B2 (en) 1994-03-28 2006-12-05 Nissan Technical Center North America Method of preparing a fully kettle hop flavored beverage
GB2435474A (en) * 2006-02-24 2007-08-29 Botan Ltd Antifoam agent from hop extract

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729015A1 (en) * 1977-06-28 1979-01-04 Lupofresh Allfeld & Egloff Kg PROCESS FOR AFTER-DRYING HOP AND HOP PRODUCT
EP0065222A2 (en) * 1981-05-07 1982-11-24 SKW Trostberg Aktiengesellschaft Process for drying extracts of natural products obtained by high pressure extraction from plants (whole or part)
EP0065222A3 (en) * 1981-05-07 1983-07-20 Skw Trostberg Aktiengesellschaft Process for drying extracts of natural products obtained by high pressure extraction
EP0347493B1 (en) * 1988-06-24 1993-03-10 Emil Flachsmann AG Process for producing partial medicinal and/or herbal plant extracts containing vapour-volatile and other lipophilic constituents
US7144592B2 (en) 1994-03-28 2006-12-05 Nissan Technical Center North America Method of preparing a fully kettle hop flavored beverage
DE19939350A1 (en) * 1999-08-19 2001-02-22 Plantextrakt Gmbh & Co Kg Xanthohumol containing hop extract, useful as additive for beer and non-alcoholic drinks and for treatment of cancers
DE19939350B4 (en) * 1999-08-19 2005-04-07 Plantextrakt Gmbh & Co. Kg Hop extract and process for its preparation
GB2435474A (en) * 2006-02-24 2007-08-29 Botan Ltd Antifoam agent from hop extract

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