#glucomannan source

• Amorphophallus rivieri — The historical or synonymous scientific name of the species 'Amorphophallus konjac' (konjac / devil's tongue), an exotic herbaceous plant in the Araceae family, native to the mountainous regions of China and heavily cultivated in East Asia. The species is remarkable for its single giant, complexly divided leaf, its dark-purple spathe, and the industrial use of its underground corm rich in glucomannan for dietary products or food gels.