Xanthan gum is produced by a bacteria, called Xanthomonas campestris. When the bacterial fermentation is accomplished, the liquid is pasteurized to kill the organisms, and the gum is recovered by the precipitation with isopropanol or ethanol. 1. Function 1. Soluble in both cold and hot water; High viscosity at low concentrations; Highly pseudoplastic
What language do the Mandan Indians speak? The Mandan people speak English today. Their native Mandan language is still spoken today by only one elder. Hidatsa, Mandan, and Arikara speakers cannot understand each other's languages, so the three languages have been declining since the tribes merged.
The Tekna tribes speak Hassaniya Arabic and the Berber Shilha dialect in varying degrees. All Tekna are Muslims, belonging to the Maliki school of Sunni Islam. Their traditional lifestyle was partly nomadic, based on camel and goat herding, and partly sedentary, controlling important routes of the Saharan caravan trade.