haematin

British  

/ ˈhiː-, ˈhɛmətɪn /

noun

1. biochem a dark bluish or brownish pigment containing iron in the ferric state, obtained by the oxidation of haem

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Example Sentences

Haemoglobin, the red colouring matter of vertebrate blood, C758H1203N195S3FeO218, and its derivatives haematin, C32H30N4FeO3, and haematoporphyrin, C16H18N2O3, are colouring matters about which we possess definite chemical knowledge, as they have been isolated, purified and analysed.

From Project Gutenberg

Thus haematin is found in the so-called bile of slugs, snails, the limpet and the crayfish.

From Project Gutenberg

By a dilute acid haemoglobin is decomposed into globin, and ``haematin,'' a ferri-pyrrol derivative of the probable formula C34H34N4FeO5; under certain conditions the iron-free ``haematoporphyrin'' is obtained.

From Project Gutenberg

The secretion rendered acid by the direct and indirect excitement of the glands—Nature of the acid—Digestible substances—Albumen, its digestion arrested by alkalies, recommences by the addition of an acid—Meat—Fibrin—Syntonin—Areolar tissue—Cartilage—Fibro-cartilage— Bone—Enamel and dentine—Phosphate of lime—Fibrous basis of bone—Gelatine—Chondrin— Milk, casein and cheese—Gluten—Legumin—Pollen—Globulin—Haematin—Indigestible substances—Epidermic productions—Fibro-elastic tissue—Mucin—Pepsin—Urea—Chitine— Cellulose—Gun-cotton—Chlorophyll—Fat and oil—Starch—Action of the secretion on living seeds—Summary and concluding remarks.

From Project Gutenberg

Haematin.—Some dark red granules, prepared from bullock's blood, were given me; these were found by Dr. Sanderson to be insoluble in water, acids, and alcohol, so that they were probably haematin, together with other bodies derived from the blood.

From Project Gutenberg