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Technical articles

Biosynth Carbosynth offer an impressive collection of specialty chemicals and offer custom chemical production. They manufacture and source chemical and biochemical products and in the carbohdyrate field offer monosaccharides, oligosaccharides and polysaccharides. They also specialise in nucleosides, antimicrobials, APIs, enzyme substrates and natural products.

Products: alginate, carrageenan, guar, locust bean gum, pectin, xanthan
Their products are sold under the tradenames: satialgine, cecalgum, algogel, satiagel, satiagum, aubygel, unipectine, satiaxans, verxan

Carob properties

The Carob pod can be split into two fractions: pulp and seed. Carob pulp varies in properties depending on the harvesting time, cultivar and farming practises. However a basic analysis would be (Puhan and Wielinga, 1996):

LBG properties

LBG comes in a variety of forms, basically they can be divided into high grade, industrial and technical (Wielinga, 1989). A basic composition of the different grades can be seen in the table below. For those buying LBG the key parameters to be aware of are:


When Carob pods arrive at the processor they are stored in
ventilated areas to allow their moisture to settle down to about 8%,
this improves their storage life. The first operation is kibbling the pods to separate the seed from the pulp.

Batista MT, Amaral MT, Proença Da Cunha A, Carob fruits as a source of natural antioxidants, In Proceedings of the III International Carob Symposium. Cabanas-Tavira, Portugal (1996)

Irwin HS, Barnaby RC, Cassieae, Adv in Legume Systematics vol 1, Royal Botanical Gardens, Kew, England, pp97-106 (1981)

Locust bean Gum structure

Locust bean gum is a linear consisting of β-(1,4)-D-mannose units. Approximately every fourth mannose units is substituted with a small side chain consisting of a 1,6 linked α-galactose sugar.

Prepared at the 69th JECFA (2008), published in FAO JECFA Monographs 5 (2008), superseding tentative specifications prepared at the 67th JECFA (2006) and published in FAO JECFA Monographs 3 (2006). An ADI "not specified" was established at the 25th JECFA (1981).

A historic Carob kibbler used on farming estates in the mediteranean (2004)

carob kibbler

Open carob pod (black & white version) (2004)

open carob pod

An agricultural store of Carob pods for animal feed in the mediteranean (2004)

carob store

Open carob pods.  Source CyberColloids (2004)

Open carob pods

Ripe green Carob pods growing on a tree in Majorca. Source CyberColloids (2003)

Green carob pods

Carob pods and seed (2004)

carob pods & seeds

Products: locust bean gum, systems, tara 
Their products are sold under the tradenames: Palgum
Carob, S.A. is a private Company located at Majorca Island for the manufacturing of Locust Bean Gum & also producing high quality Tara Gum and Food Stabilising Systems.


Carob splits produced by breaking open the seed and removing the seed coat and germ (2004)

carob split

A wild Carob tree from Majorca (2004)

carob tree

A wild Carob tree in Majorca (2004)

wild carob tree

A large Carob tree on an estate in Majorca (2004)

Carob tree

A basic dessert jelly with carrageenan and locust bean gum.

Recipe Procedure

Mix gums with sugar and disperse into hot water. Add remaining ingredients. Stir until fully dissolved, pack off and pasteurise in the packets. Store at room temperature.

Products: alginate, carrageenan, guar, locust bean gum, pectin, cellulosics, xanthan, systems 
Their products are sold under the tradenames: Grinsted, meyprodor

In 2004 Danisco purchased Rhodia's food ingredient business

COMMISSION REGULATION (EU) No 231/2012 of 9 March 2012


Carob bean gum; Algaroba gum

In general, frozen yogurt contains less fat and more sugar and protein than ice-cream. Also an emulsifier is not always needed.

Due to lack of legislation for the production of frozen yogurt, there are three different ways of making it:

  1. Freezing and whipping yogurt

Stained guar (forward) and LBG (rear) cells.  Guar shows clear pallisade layer. Source CyberColloids (2004)

Guar and LBG cells

Hydrocolloids can be obtained from a wide variety of sources. The two most abundant polysaccharides are cellulose and starch. Cellulose is the key structural component of trees and is used on a huge scale globally in the pulp and paper industry.

Products: carob, Locust bean gum
Only carob manufacturer in Turkey

Products: locust bean gum 
Their products are sold under the tradenames: LBG, VICTUS, CAROBFIBER
Producers of Locust Bean Gum and Dietary Fibers from Carob.

Molecular structure of locust bean gum (LBG). Source CyberColloids (2004)

LBG structure

A basic petfood formulation for the meat in gel type of canned petfood.

Recipe Procedure

Disperse the carrageenan, salts and LBG in the water. Add the meat, mix, can and retort.

Products: guar, locust bean gum, tara, alginate, starch, tamarind
Their products are sold under the tradenames: Polygum, Polygel

A standard grade ice cream formulation with good melt down resistance and heat shock stability.  The LBG and fat are the two main ingredients which increase the melting and heat shock resistance of the ice-cream.

Products: starches, locust bean gum, poly dextrose systems

Owners of Cesalpina, GC Hahn and CCI

Tate & Lyle disposes of starch business May 2007

Products: guar, locust bean gum, tara, knojac
Their products are sold under the tradenames: Vidogum, Vidocrem