(R)-prunasin is a cyanogenic glycoside related to amygdalin. Chemically, it is the glucoside of (R)-mandelonitrile. Prunasin is found in species in the...
14 KB (1,332 words) - 16:37, 5 January 2024
In enzymology, a prunasin β-glucosidase (EC 3.2.1.118) is an enzyme that catalyzes the chemical reaction (R)-prunasin + H2O ⇌ {\displaystyle \rightleftharpoons...
1 KB (95 words) - 15:36, 26 August 2023
glycoside derived from the aromatic amino acid phenylalanine. Amygdalin and prunasin are common among plants of the family Rosaceae, particularly the genus...
33 KB (3,284 words) - 20:50, 24 August 2024
acids Polysaccharides Glucans mannans inulin (8) Cyanogenic glycosides Prunasin Sesquiterpene lactones (of the germacranolide type) 11β, 13-dihydrolactucin...
8 KB (806 words) - 00:04, 20 June 2024
humans seem to have selected for them. Examples include amygdalin and prunasin which are made by the bitter almond tree; other species that produce cyanogenic...
16 KB (1,893 words) - 04:59, 27 August 2024
Several varieties of passion fruit are rich in polyphenols, and some contain prunasin and other cyanogenic glycosides in the peel and juice. Purple passion fruit...
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\rightleftharpoons } (R)-prunasin + D-glucose Thus, the two substrates of this enzyme are (R)-amygdalin and H2O, whereas its two products are (R)-prunasin and D-glucose...
2 KB (181 words) - 13:09, 26 August 2023
red flesh (table). Papaya seeds also contain the cyanogenic substance prunasin. The green fruit contains papain, a cysteine protease enzyme used to tenderize...
35 KB (3,777 words) - 20:33, 13 August 2024
the presence of water, acts on the two soluble glucosides amygdalin and prunasin yielding glucose, cyanide and the essential oil of bitter almonds, which...
67 KB (7,038 words) - 00:30, 27 August 2024
[clarification needed] These enzymes include amygdalin beta-glucosidase, prunasin beta-glucosidase and mandelonitrile lyase. In contrast, although the flesh...
18 KB (1,949 words) - 05:45, 27 August 2024
glycosides Nitrogen-containing 60 Amygdalin, Dhurrin, Linamarin, Lotaustralin, Prunasin Glucosinolates Nitrogen-containing 100 Alkamides Nitrogen-containing 150...
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fruits. Mandelonitrile is the aglycone part of the cyanogenic glycosides prunasin and amygdalin. The naturally occurring (R)-(+) enantiomer finds use as...
4 KB (179 words) - 06:23, 29 November 2022
polyphenol content. Yellow varieties of the fruit were found to contain prunasin and other cyanogenic glycosides in the peel and juice. Passion fruit is...
27 KB (3,209 words) - 00:59, 2 August 2024
(i.e. the hydrolysis of cellulose) Glucosylceramidase, a related enzyme Prunasin β-glucosidase Vicianin β-glucosidase PDB: 3AHX; Jeng WY, Wang NC, Lin...
12 KB (1,299 words) - 13:39, 23 August 2024
glucoside prunasin. Wikimedia Commons has media related to Olinia ventosa. "Olinia ventosa". Occurrence of the cyanogenic glucoside prunasin and II corresponding...
3 KB (343 words) - 20:33, 12 January 2024
a member of the genus Prunus, P. nipponica would contain amygdalin and prunasin which form hydrocyanic acid when combined with water. This acid is poisonous...
5 KB (552 words) - 10:38, 27 April 2024
livestock, contains a potentially poisonous cyanogenic glycoside called prunasin. Mature seeds are to be avoided, as the native people did. The young, unripe...
10 KB (1,044 words) - 14:01, 23 December 2023
a tree species in the genus Olinia native to South Africa and Lesotho. Prunasin, a cyanogenic glucoside, can be found in the leaves of O. emarginata. List...
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molecular formula C14H17NO6 (molar mass: 295.29 g/mol) may refer to: Indican Prunasin, a cyanogenic glucoside Sambunigrin, a cyanogenic glucoside This set index...
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obtained from the leaves. Plants in the Prunus species contain amygdalin and prunasin, substances which break down in water to produce hydrogen cyanide. Hydrogen...
4 KB (423 words) - 06:05, 10 May 2023
those from the fruit, a dark grey to green. Chemically, amygdalin and prunasin, the derivatives of which produce prussic acid as well as Genistein can...
5 KB (428 words) - 16:46, 25 December 2023
1016/0003-9861(84)90142-5. PMID 6230992. Poulton JE, Shin SI (1983). "Prunasin biosynthesis by cell-free-extracts from black cherry (Prunus serotina Ehrh)...
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butterflies and bees. All members of the genus Prunus contain amygdalin and prunasin. These compounds are found in leaves and seeds. These substances can form...
9 KB (1,059 words) - 14:39, 25 December 2023
Poulton JE (1982). "A rapid and sensitive spectrophotometric assay for prunasin hydrolase activity employing purified mandelonitrile lyase". Anal. Biochem...
15 KB (1,693 words) - 03:08, 22 July 2024
4-α-maltotriohydrolase EC 3.2.1.117: amygdalin β-glucosidase EC 3.2.1.118: prunasin β-glucosidase EC 3.2.1.119: vicianin β-glucosidase EC 3.2.1.120: oligoxyloglucan...
119 KB (15,553 words) - 03:35, 27 April 2024
obtained from its leaves. Plants in the Prunus species contain amygdalin and prunasin, substances which break down in water to produce hydrogen cyanide. Hydrogen...
5 KB (416 words) - 08:11, 28 February 2024
Eastern tent caterpillar (Malacosoma americanum) contains a toxin called prunasin that impacts livestock, specifically horses. The caterpillars let out their...
31 KB (3,752 words) - 01:58, 11 January 2024
Saez, F.; Borch, J.; Dicenta, F.; Moller, B. & Jorgensen, K. (2012). "Prunasin hydrolases during fruit development in sweet and bitter almonds". Plant...
11 KB (1,130 words) - 02:13, 28 November 2023