CAS: 476-66-4; 2,3,7,8-Tetrahydroxychromeno[5,4,3-Cde]Chromene-5,10-Dione

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Pedunculagin 以 Aq. Buffer 作为反应溶剂,化学反应生成 鞣花酸
参考文献:HPLC / Dad-esi / Qtof / Ms检测的碱性条件下可水解单宁的稳定性和氧化产物
标题:HPLC / Dad-esi / Qtof / Ms检测的碱性条件下可水解单宁的稳定性和氧化产物
摘要:可水解的丹宁酸存在于人类或食草动物用于食品或药品的植物中.碱性条件会改变单宁的结构,即酚基的氧化会导致有毒醌的形成.以前,已经用比色法或电子顺磁共振法研究了这些不稳定的醌类和其他氧化产物,这些方法只能提供有关产物的有限信息.
DOI:10.1002/pca.2456

专利信息

专利号:US-2012003164-A1
优先权日:1998-12-30
标题 :Cosmetic or dermatological composition containing an active agent which stimulates synthesis of the protein hsp 32 in the skin
发明人：NIZARD CARINE; MOREAU MARIELLE; BONTE FREDERIC
权利人:NIZARD CARINE; MOREAU MARIELLE; BONTE FREDERIC; DIOR CHRISTIAN PARFUMS
摘要:A dermatological or cosmetological composition for an external topical administration, included together with pharmaceutically and/or cosmetologically acceptable excipients: at least one UVA-stabilizing and/or UVB-stabilizing screening agent, at least one compound capable of activating the endogenous synthesis of Heat Shock Protein (HSP) 32 or a functional peptide fragment of such a protein, and forskolin or any extract containing it.

专利号:US-10407401-B1
优先权日:2018-08-04
标题 :Process for synthesis of Oroxylin A
发明人：MAJEED MUHAMMED; NAGABHUSHANAM KALYANAM; RAMANUJAM RAJENDRAN; HEMANTHA HOSAHALLI PRABHAKARA
权利人:MAJEED MUHAMMED; NAGABHUSHANAM KALYANAM; RAMANUJAM RAJENDRAN; HEMANTHA HOSAHALLI PRABHAKARA; SAMI LABS LTD
摘要:Disclosed is a novel, simple, scalable and environment friendly process for the synthesis of Oroxylin A from Baicalin. Baicalin is esterified to obtain a methyl ester which is further selectively methylated to provide Oroxylin A glucuronide methyl ester which on de-glycosylation results in the formation of Oroxylin A.

专利号:US-2021315830-A1
优先权日:2018-08-31
标题 :A curcumin loaded stabilized polymeric nanoparticles with increased solubility and photo-stability and a green process for the synthesis thereof
发明人：ACHARYA AMITABHA; KUMARI AVNESH; GULIANI ANIKA; KUMAR SANJAY
权利人:COUNCIL SCIENT IND RES
摘要:The present invention explored PLGA NPs synthesis using plant extracts as surfactants by nanoprecipitation process. PLGA NPs synthesized using Camellia sinensis, Dendrocalamus hamiltonii, Ficus palmata and Rubus ellipticus leaf extracts were further explored for encapsulation, controlled and sustained release of well-known antioxidant molecule, curcumin. This plant extract based nanoprecipitation process for the synthesis of PLGA NPs can be further explored for encapsulation of many other antioxidant molecules of therapeutic importance.

专利号:EP-1140000-B1
优先权日:1998-12-30
标 题 :Cosmetic or dermatological composition containing an active principle stimulating hsp 32 protein synthesis in the skin and cosmetic treatment method
发明人：NIZARD CARINE; MOREAU MARIELLE; BONTE FREDERIC
权利人:DIOR CHRISTIAN PARFUMS
摘要:The invention concerns a dermatological or cosmetological composition, characterised in that it contains at least a compound capable of activating HSP 32 endogenetic synthesis or a functional peptide fragment of such a protein with pharmaceutically and/or cosmetologically acceptable carriers. The invention also concerns the use of a compound selected from the group consisting of procyanidolic oligomers (PCO) and their derivatives, caffeic acid esters and their derivatives and mixtures of said compounds, for preparing a composition designed to activate endogenetic synthesis of HSP 32 or a functional peptide fragment of such a protein.

专利号:US-11547655-B2
优先权日:2017-08-02
标 题:Use of an extract of the pericarp of Nephelium lappaceum for hydrating the skin and/or mucous membranes
发明人：BONNET ISABELLE; CADAU SÉBASTIEN; DANOUS LOUIS; DERCEVILLE CHARLOTTE; LEOTY-OKOMBI SABRINA
权利人:BASF BEAUTY CARE SOLUTIONS FRANCE S A S
摘要:A subject of the present invention is the cosmetic use of a pericarp extract of the plant Nephelium lappaceum for maintaining and/or increasing the hydration and/or the barrier effect of the skin and/or of the mucous membranes. The pericarp extract increases involucrin synthesis and the hyaluronic acid content and the synthesis of ATP and of the taurine transporter TAUT. Another subject of the invention relates to a cosmetic care process comprising the topical application of the pericarp extract of N. lappaceum. Finally, a subject of the invention relates to the pericarp extract for use, in particular dermatological use, thereof in the treatment and/or prevention of pathological conditions caused by a state of abnormal dryness of the skin and/or of the mucous membranes.

专利号:US-2025305010-A1
优先权日:2022-05-08
标题:Lipid compositions and methods of producing same
发明人：KEREN TOMER; ELLA EZRA; ARGOV-ARGAMAN NURIT
权利人:WILK TECH INTERNATIONAL LTD; YISSUM RES DEV CO OF HEBREW UNIV JERUSALEM LTD
摘要:Provided is a method of increasing lipid synthesis or accumulation in mammary epithelial cells (MECs) culture and optionally secretion therefrom. The method comprising contacting the MECs with an LXR agonist in the presence of a fatty acid to thereby increase lipid synthesis or accumulation and optionally secretion of lipids. Also provided is a method of producing synthetic fat globules, the method comprising: (a) isolating lipid droplets from cells in culture; (b) encapsulating the droplets with a lipid bilayer, thereby producing synthetic fat globules. Also provided are compositions produced thereby.