Amurca is the

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

name for the bitter-tasting, dark-colored, watery sediment that settles out of unfiltered olive oil over time. It has been known in English as "olive oil lees" and recently as "olive mill waste water (OMWW)". Historically, amurca was used for numerous purposes, as first described by

Cato the Elder Marcus Porcius Cato (, ; 234–149 BC), also known as Cato the Censor (), the Elder and the Wise, was a Roman soldier, Roman Senate, senator, and Roman historiography, historian known for his conservatism and opposition to Hellenization. He wa ...

in De Agri Cultura, and later by

Pliny the Elder Gaius Plinius Secundus (AD 23/24 79), known in English as Pliny the Elder ( ), was a Roman Empire, Roman author, Natural history, naturalist, and naval and army commander of the early Roman Empire, and a friend of the Roman emperor, emperor Vesp ...

. Cato the Elder mentions its uses as a

building A building or edifice is an enclosed Structure#Load-bearing, structure with a roof, walls and window, windows, usually standing permanently in one place, such as a house or factory. Buildings come in a variety of sizes, shapes, and functions, a ...

material,

pesticide Pesticides are substances that are used to control pests. They include herbicides, insecticides, nematicides, fungicides, and many others (see table). The most common of these are herbicides, which account for approximately 50% of all p ...

herbicide Herbicides (, ), also commonly known as weed killers, are substances used to control undesired plants, also known as weeds.EPA. February 201Pesticides Industry. Sales and Usage 2006 and 2007: Market Estimates. Summary in press releasMain page f ...

dietary supplement A dietary supplement is a manufactured product intended to supplement a person's diet by taking a pill (pharmacy), pill, capsule (pharmacy), capsule, tablet (pharmacy), tablet, powder, or liquid. A supplement can provide nutrients eithe ...

for

oxen An ox (: oxen), also known as a bullock (in BrE, British, AusE, Australian, and IndE, Indian English), is a large bovine, trained and used as a draft animal. Oxen are commonly castration, castrated adult male cattle, because castration i ...

and trees, food

preservative A preservative is a substance or a chemical that is added to products such as food products, beverages, pharmaceutical drugs, paints, biological samples, cosmetics, wood, and many other products to prevent decomposition by microbial growth or ...

, a maintenance product for leather,

bronze Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals (such as phosphorus) or metalloid ...

vessel, and

vases A vase ( or ) is an open container. It can be made from a number of materials, such as ceramics, glass, non-rusting metals, such as aluminium, brass, bronze, or stainless steel. Even wood has been used to make vases, either by using tree species ...

, and as a treatment for firewood in order to avoid smoke. Orujera

References

External links

Cato the Elder on Agriculture
Toxicology Olive oil {{med-toxic-stub