Patagonic acid
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| Category | Others |
| Catalog number | BBF-04989 |
| CAS | 158202-35-8 |
| Molecular Weight | 458.5 |
| Molecular Formula | C25H30O8 |
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Description
Patagonic acid is a dibenzofuran compound obtained from lichen bunodophoron patagonicum.
Specification
| Synonyms | Benzoic acid, 2-hydroxy-4-[(2-hydroxy-4-methoxy-6-methylbenzoyl)oxy]-6-(2-oxononyl)-; 2-Hydroxy-4-[(2-hydroxy-4-methoxy-6-methylbenzoyl)oxy]-6-(2-oxononyl)benzoic acid |
| IUPAC Name | 2-hydroxy-4-(2'-hydroxy-4'-methoxy-6'-methyl-benzoyloxy)-6-(2'-oxononyl)benzoic acid |
Properties
| Boiling Point | 636.2±55.0°C (Predicted) |
| Density | 1.245±0.06 g/cm3 (Predicted) |
Reference Reading
1. Growth and consumption of L-malic acid in wine-like medium by acclimated and non-acclimated cultures of Patagonian Oenococcus oeni strains
Bárbara Mercedes Bravo-Ferrada, Axel Hollmann, Natalia Brizuela, Danay Valdés La Hens, Elizabeth Tymczyszyn, Liliana Semorile Folia Microbiol (Praha). 2016 Sep;61(5):365-73. doi: 10.1007/s12223-016-0446-y. Epub 2016 Jan 23.
Five Oenococcus oeni strains, selected from spontaneous malolactic fermentation (MLF) of Patagonic Pinot noir wine, were assessed for their use as MLF starter cultures. After the individual evaluation of tolerance to some stress conditions, usually found in wine (pH, ethanol, SO2, and lysozyme), the behavior of the strains was analyzed in MLO broth with 14 % ethanol and pH 3.5 in order to test for the synergistic effect of high ethanol level and low pH and, finally, in a wine-like medium. Although the five strains were able to grow in MLO broth under low pH and/or high ethanol, they must be acclimated to grow in a wine-like medium. Additionally, glycosidase and tannase activities were evaluated, showing differences among the strains. The potential of the strains to ferment citrate was tested and two of the five strains showed the ability to metabolize this substrate. We did not detect the presence of genes encoding histidine, tyrosine descarboxylase, and putrescine carbamoyltransferase. All the strains tested exhibited good growth capacity and ability to consume L-malic acid in a wine-like medium after cell acclimation, and each of them showed a particular enzyme profile, which might confer different organoleptic properties to the wine.
2. The Proteolytic Activity of Philibertia gilliesii Latex. Purification of Philibertain g II
Cynthia Sequeiros, María J Torres, Marina L Nievas, Néstor O Caffini, Claudia L Natalucci, Laura M I López, Sebastián A Trejo Appl Biochem Biotechnol. 2016 May;179(2):332-46. doi: 10.1007/s12010-016-1997-8. Epub 2016 Feb 6.
The latex from the patagonic plant Philibertia gilliesii Hook. et Arn. (Apocynaceae) is a milky-white suspension containing a proteolytic system constituted by several cysteine endopeptidases. A proteolytic preparation (philibertain g) from the latex of P. gilliesii fruits was obtained and characterized to evaluate its potential use in bioprocesses. Philibertain g contained 1.2 g/L protein and a specific (caseinolytic) activity of 7.0 Ucas/mg protein. It reached 80 % of its maximum caseinolytic activity in the pH 7-10 range, retained 80 % of the original activity after 2 h of incubation at temperatures ranging from 25 to 45 °C and could be fully inactivated after 5 min at 75 °C. Philibertain g retained 60 % of the initial activity even at 1 M NaCl and was able to hydrolyze proteins from stickwater one, of the main waste effluents generated during fishmeal production. Furthermore, as a contribution to the knowledge of the proteolytic system of P. gilliesii, we are reporting the purification of a new peptidase, named philibertain g II (pI 9.4, molecular mass 23,977 Da, N-terminus LPESVDWREKGVVFPXRNQ) isolated from philibertain g through a purification scheme including acetone fractionation, cation exchange, molecular exclusion chromatography, and ultrafiltration.
3. Cathayanalactone G and other constituents from leaves and twigs of Callicarpa cathayana
Shuang Gong, Bin Cheng, Tiantian Sun, Xiaoli Li, Xinxin Liang, Yuan Wang, Xiaochang Dai, Weilie Xiao Chin Herb Med. 2022 Feb 26;14(2):332-336. doi: 10.1016/j.chmed.2021.05.006. eCollection 2022 Apr.
Objective: To study the chemical constituents from the leaves and twigs of Callicarpa cathayana. Methods: The chemical constituents were isolated and purified by column chromatography on silica gel, MCI gel CHP 20P/P120, Sephadex LH-20, and HPLC. The structures of the compounds were determined by HR-ESI-MS, 1D and 2D NMR data. Results: A total of 24 compounds were isolated from the 85% methanol extract of leaves and twigs of C. cathayana. They were identified as cathayanalactone G (1), a new diterpene, and 23 known compounds as patagonic acid (2), (-)-16-hydroxycledroda-3,13-dien-16,15-olide-18-oic acid (3), 15-methoxypatagonic acid (4), oleanolic acid (5), ursolic acid (6), siaresinolic acid (7), pomolic acid (8), α-amyrin (9), tormentic acid (10), lupeol (11), 5,7-dihydroxy-3,4'-dimethoxyflavone (12), 5,4'-dihydroxy-3,7,3'-dimethoxyfla-vone (13), 5-hydroxy-3,6,7,4'- tetramethoxyflavone (14), salvigenin (15), kaemferol (16), astragalin (17), pinoresinol 4-O-β-D-glucopyranoside (18), paulownin (19), β-sitosterol (20), β-sitosterol β-D-glucopyranoside (21), 5-hydroxy-coumarin (22), isocopoletin (23), and 4-hydroxycinnamic acid (24). Conclusion: Compound 1 is a new labdane diterpene. Compounds 10, 13, 16 and 17 are isolated from the genus Callicarpa for the first time. Compounds 7, 8, 9, 12, 14, 23 and 24 are reported from C. cathayana for the first time.
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Bio Calculators
* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
* Total Molecular Weight:
g/mol
Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
