Haarman Reimer

Liquid Citric Acid-50% (Haarman Reimer Corp.) 20.0... 

SOURCE Haarman Reimer Corp. Suggested Formulation... 

Inqredi ent Percent bv Weight Liquid Citric Acid-50% (Haarman Reimer Corp.) 6.0 Sodium hydroxide solution 50% 3.7 Xanthan gum 25.0 Vegetable gum (Veegum HS) 2.5 Amphoteric surfactant 3-0 Nonionic surfactant 1.5 Calcium carbonate (100 mesh) 45.0 Water 13.3... 

Haarman Reimer GmbH, Research Department, D—3450 Holzminden, Federal Republic of Germany... 

Haarman Reimer, Germany (reported to have closed down)... 

H. Surburg, M. Guentert and H. Harder, in Recent Developments of Flavour and Fragrance Chemistry Proceedings of the 3rd International Haarman Reimer Symposium, R. Hopp and K. Mori (eds.), VCH Publishers, Weinheim, 1993, p. 29. 

It is the existence of the eight menthol isomers that makes the chemical synthesis onerous. In many procedures, more than one isomers form as a final product, and needs to be separated out at the end. These byproducts, the isomers of (-)-menthol, all have cooling and refreshing effects, but none of them is as potent as menthol itself. So the presence of these isomers lowers the quality of the final product. Another option is to look for a chemical reaction that produces (-)-menthol exclusively. This was achieved from meta-cresol by the company Haarman and Reimer, which is also a major vanillin producer, whereas a Japanese chemical company, Takasago,... 

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