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as an authority on environmental microbiology, biology and chemistry. At the end of this time Alan had become assistant Director and then acting Director when the incumbent retired.
It was at this point that a change in career led to the development of Herb-Pharm (now Extracts NZ) and a move away from the Cawthron. Extracts NZ was started with the production of medicinal herb tinctures and then the production of bee propolis products. While the range has broadened, this is still generally true.
In American parlance the company is an ěextractorî and as such carries out mainly, cold liquid solid extraction, vacuum evaporation and freeze-drying. Extracts NZ's core business is the extraction of natural products to wholesale to manufacturers and marketeres as well as contract extraction, processing and formulating for a range of clients, although Extracts NZ manufactures and markets under its own name, unique new products based on New Zealandís horticulture and apiculture.
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