I set this blood on the fire, let it coagulate, and ate the lumps without salt.
en.wikipedia.org For reference, 100 grams of firm tofu coagulated with calcium sulfate contains 8.19 grams of soy protein.
en.wikipedia.org It is effective in coagulating and flocculating inorganic and organic particles such as silt, clay, algae, bacteria and viruses.
en.wikipedia.org These cups were rounded on the bottom, so that they could not be set down; for in that case the blood might coagulate.
en.wikipedia.org It is a complex emulsion consisting of proteins, alkaloids, starches, sugars, oils, tannins, resins, and gums that coagulate on exposure to air.
en.wikipedia.org