![Page 1: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/1.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic / Gum Acacia
The dried exudate (gum) fromAcacia Senegal and related
species (Acacia Seyal)
![Page 2: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/2.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic�Origin�Collection (origin) and Processing (Europe)�Structure
– chemical composition�Properties
– functional characteristics and influences�Applications� Important Quality Parameters�Comparison of the different grades�Our qualities
![Page 3: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/3.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - OriginSouth of Sahel zone,mainly Sudan, Chad
and Nigeria
![Page 4: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/4.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Collection
Tapping
![Page 5: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/5.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Collection
Cleaning
![Page 6: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/6.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Collection
Sieving
![Page 7: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/7.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Processing
�Dry– powder– granular
�Wet– spraydrying– rollerdrying
![Page 8: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/8.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Structure�Complex polysaccharide
– neutral or weakly acid
– containing nitrogenous material (amino acids)
– chemical composition vary slightly
– contained sugar monomers in a ratio of 3:3:1:1 are• galactose, arabinose, rhamnose and glucoronic acid
– highly branched molecule with great variation inmolecular mass
![Page 9: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/9.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Structure
![Page 10: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/10.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Properties
� readily dissolves incold water
� odourless� tasteless� viscosity is a function
of concentration
![Page 11: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/11.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Properties�Solutions of Gum Arabic below 40 %
– react like Newtonian liquid• viscosity is shear rate independent
�Solutions of Gum Arabic at higher concentrations– show pseudoplastic characteristics
• shear thinnig
⇒⇒⇒⇒ reversible decrease of viscosity with increasing shear forces
![Page 12: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/12.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Properties
�weakly acidcharacter in water(pH ≈ 4.5)
� pH of the solutionaffects the viscosity
![Page 13: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/13.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Properties
� viscosity decreasesin the presence ofelectrolytes (salts)
![Page 14: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/14.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Properties� comparison with
other thickeningagents shows lowerviscosity of GumArabic solutionseven at higherconcentrations
![Page 15: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/15.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Properties�emulsifier for essential oils and flavours
– proteins adsorb on the surface of the oil droplets
– formed emulsions remain stable for a long periodof time
Disadvantage:prolonged heating ( > 70 °C) of Gum Arabic solutionscauses precipitation of the proteinous components !!!
![Page 16: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/16.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Applications
�Food industry– Confectionery
• gums, especially wine gums (thickener)
• pastilles (thickener)
• marshmallows (foam stabiliser)
• toffees (emulsifier)
• glaze on coated nuts or similar products
![Page 17: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/17.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Applications
�Food industry– Beverages
• emulsifier in production of citrus and cola flavouroils for soft drinks
– Diary Products• stabiliser in frozen products like ice and ice cream
– water absorbing, producing a finer texture
![Page 18: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/18.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Applications�Food industry
– Bakery products• glazes and toppings
– Diabetic and dietetic products• low level of metabolism
– Flavour fixative• spray dried encapsulation
![Page 19: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/19.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Applications�Pharmaceutical industry
• stabiliser in emulsions
• binder in tablets
• mucilage for tablet coatings
�Cosmetic industry• smooth feel in lotions and protective creams
• adhesive in facial masks or face powders
![Page 20: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/20.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Applications�Other industries
• mucilage
• simple adhesive and glue
• protective colloid and suspending agent in Inks
![Page 21: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/21.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic -Important Quality Parameters
� Purity� Colour� Optical rotation� Emulsifying properties� Microbiological values
![Page 22: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/22.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic -Comparison of the different grades
�Powder /granular form– price– solubility (compared
to crude gum)
�Spraydried /rollerdried form– purity– homogenous– microbiology– solubility
![Page 23: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/23.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Our Qualities
�CEROGA 821 Kordofan cleaned�CEROGA 812 cleaned ex Acacia Senegal�CEROGA 803 small lumps ex Acacia Seyal�CEROGA 800 technical
LUMPSLUMPS
![Page 24: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/24.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Our Qualities
�CEROGA 836 very fine white�CEROGA 834 light white�CEROGA 831 off-white�CEROGA 830 technical dark
POWDERPOWDER
![Page 25: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/25.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic - Our Qualities
�CEROSPRAY K / Gum Arabic spraydried white�CEROSPRAY N / Gum Arabic spraydried light�CEROSPRAY B / Gum Arabic spraydried yellowish�CEROSPRAY F / Gum Arabic spraydried off-white�CEROSPRAY D / Gum Arabic spraydried dark
SPRAYDRIEDSPRAYDRIED
![Page 26: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/26.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic spraydried
Dissolution of the gumin water, extraction ofimpurities
![Page 27: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/27.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic spraydried
Elimination ofimpurities through
centrifugation
![Page 28: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/28.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic spraydried
Concentration andPasteurisation
![Page 29: Gum Arabic / Gum Acacia - Hobby Takt Ltd.hobbytakt.com/products/3856466109.pdf · C.E. Roeper GmbH Hans - Duncker - Str. 13 D - 21035 Hamburg E-Mail office@roeper.de Internet Nature](https://reader031.vdocument.in/reader031/viewer/2022022005/5ab77d8e7f8b9ad13d8b6ccc/html5/thumbnails/29.jpg)
C.E. Roeper GmbHHans - Duncker - Str. 13D - 21035 Hamburg
E-Mail [email protected] www.roeper.de Nature is not replaceable...
Gum Arabic spraydried
Spray Tower