Sentence Examples with the word Extractive

When boiled in water the root affords a dark extractive matter, the quantity of extract yielded by the root being used as a criterion of its quality.

Oil obtained from heated meal is usually more highly coloured and harsher to the taste than cold drawn oil, more of the extractive substances being dissolved and intermixed with the oil.

The extractive or forest industries of Brazil were among the first to engage the attention of Europeans, and have always been considered a principal source of colonial and national wealth.