75.7 to 76.5 °C (168.3 to 169.7 °F; 348.8 to 349.6 K)[2]
Boiling point
323.9 °C (615.0 °F; 597.0 K) at 760mmHg
Hazards
Flash point
149.7 °C (301.5 °F; 422.8 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
Chemical compound
Asparagusic acid is an organosulfur compound with the molecular formula C4H6O2S2 and systematically named 1,2-dithiolane-4-carboxylic acid. The molecule consists of a heterocyclic disulfide functional group (a 1,2-dithiolane) with a carboxylic acid side chain. It is found in asparagus and is believed to be the metabolic precursor to odorous sulfur compounds responsible for the distinctive smell of urine which has long been associated with eating asparagus.[3][4]
^Yanagawa, H.; Kato, T.; Sagami, H.; Kitahara, Y. (1973). "Convenient procedure for the synthesis of asparagusic acids". Synthesis. 1973 (10): 607–608. doi:10.1055/s-1973-22265.
^Foss, O.; Tjomsland, O. (1958). "Crystal and molecular structure of 1,2-dithiolane-4-carboxylic acid". Acta Chemica Scandinavica. 12: 1810–1818. doi:10.3891/acta.chem.scand.12-1810.
^Mitchell, S. C. (2001). "Food idiosyncrasies: Beetroot and asparagus". Drug Metabolism and Disposition. 29 (4): 539–543. PMID 11259347.
^Pelchat, M. L.; Bykowski, C.; Duke, F. F.; Reed, D. R. (2011). "Excretion and perception of a characteristic odor in urine after asparagus ingestion: A psychophysical and genetic study". Chemical Senses. 36 (1): 9–17. doi:10.1093/chemse/bjq081. PMC 3002398. PMID 20876394.
mixture of sulfur-containing metabolites of asparagusicacid. The origin of asparagus urine is asparagusicacid, a substance unique to this vegetable. Most...
originate in the asparagus as asparagusicacid and its derivatives, as these are the only sulfur-containing compounds unique to asparagus. As these are more...
Kegasawa, Kazuo (1975). "Identification of AsparagusicAcid As a Nematicide Occurring Naturally in the Roots of Asparagus". Chemistry Letters. 4 (1): 43–4. doi:10...
Lipoic acid (LA), also known as α-lipoic acid, alpha-lipoic acid (ALA) and thioctic acid, is an organosulfur compound derived from caprylic acid (octanoic...
Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. Although over 500 amino acids exist in nature, by far...
Oxalic acid is an organic acid with the systematic name ethanedioic acid and chemical formula HO−C(=O)−C(=O)−OH, also written as (COOH)2 or (CO2H)2 or...
(petivericin; PhCH2S(O)SCH2Ph). Asparagusicacid S-oxide and brugierol are other natural 1,2-dithiolane-1-oxides occurring in Asparagus officinalis and Bruguiera...
odor reminiscent of the vegetable caused by the body's breakdown of asparagusicacid. Likewise consumption of saffron, alcohol, coffee, tuna fish, and onion...
The asparagus bean (Vigna unguiculata subsp. sesquipedalis) is a legume cultivated for its edible green pods containing immature seeds, like the green...
Butyric acid (/ˈbjuːtɪrɪk/; from Ancient Greek: βούτῡρον, meaning "butter"), also known under the systematic name butanoic acid, is a straight-chain alkyl...
aspartic acid is one of the 22 proteinogenic amino acids, i.e., the building blocks of proteins. D-aspartic acid is one of two D-amino acids commonly...
as vitamin B9 and folacin, is one of the B vitamins. Manufactured folic acid, which is converted into folate by the body, is used as a dietary supplement...
carbon atom, like methanol. It is a weak acid, with a pKa of ~10.4, but is about a hundred thousand times more acidic than methanol. The colorless salt can...
largely replaced by Hersbrucker in the 1970s and 1980s. (Alpha acid 3.5–5.5% / beta acid 3–4%) Spalt – Traditional German noble hop from the Spalter region...
stores or appears on restaurant menus as sea beans, samphire greens or sea asparagus. The Salicornia species are small annual herbs. They grow prostrate to...
Vitamin C (also known as ascorbic acid and ascorbate) is a water-soluble vitamin found in citrus and other fruits, berries and vegetables. It is also a...
carbonate and acid phosphate substitutions is a large component of bone material. Fluorapatite (or fluoroapatite) is more resistant to acid attack than...
assistant). It was isolated from asparagus juice, in which it is abundant, hence the chosen name. It was the first amino acid to be isolated. Three years later...
are more commonly recognized by name than by number, such as pantothenic acid (B5), biotin (B7), and folate (B9). Each B vitamin is either a cofactor (generally...
In support of energy metabolism, carnitine transports long-chain fatty acids from the cytosol into mitochondria to be oxidized for free energy production...
[vinɛɡʁɛt] ) is made by mixing an oil with a mild acid such as vinegar or lemon juice (citric acid). The mixture can be enhanced with salt, herbs and/or...
reaction sequence was uric acid (8), which had been isolated from kidney stones by Carl Wilhelm Scheele in 1776. Uric acid (8) was reacted with PCl5 to...
angustata, or asparagina), also called stem lettuce, celery lettuce, asparagus lettuce, or Chinese lettuce, is a cultivar of lettuce grown primarily...
medium that would result from accumulation of acidic metabolic products, such as acetic acid and citric acid. Once superior carbon sources are exhausted...
replanting and greater yields. The plant hormones ethylene and jasmonic acid have been found to help induce and regulate the growth of rhizomes, specifically...
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