It may arise also by fermentation.

Crops, such as corn and sugar cane, can be fermented to produce the transportation fuel, ethanol.

Construction was started on a new building at Salman Pak to house a pilot scale fermenter.

I'm essentially using a kombucha recipe, which is a symbiotic mix of bacteria, yeasts and other micro organisms, which spin cellulose in a fermentation process.

In 1988, Iraq also began to produce botulinum toxin at a refurbished fermentation unit at the single cell protein facility at Al Taji.

The organic waste is processed in a fermentation plant, producing compost and methane, which is used to produce electricity in a 25 megawatt power plant.

It is produced commercially by the hydrolysis of crustacean exoskeletons or, less commonly, by fermentation of a grain such as corn or wheat.

Production of botulinum toxin and anthrax began with the use of bench top fermenters, and experimentation commenced using a range of animals to study inhalation and other exposure routes and effects.

The principle of a vacuum brewer was to heat water in a lower vessel until expansion forced the contents through a narrow tube into an upper vessel containing ground coffee.

These include Rosolic acid to inhibit bacterial growth in general, except for faecal coliforms, Bile salts inhibit non enteric bacteria and Aniline blue indicates the ability of faecal coliforms to ferment lactose to acid that causes a pH change in the medium.

Tea culture is defined by the way tea is made and consumed, by the way the people interact with tea, and by the aesthetics surrounding tea drinking, it includes aspects of tea production, tea brewing, tea arts and ceremony, society, history, health, ethics, education, and communication and media issues.