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Classically, chlorogenic acids (CGAs) are a family of esters formed between quinic acid and certain trans-cinnamic acids, most commonly caffeic, p-coumaric, and ferulic acids and sometimes dimethoxycinnamic, trimethoxycinnamic, and sinapic acids.Representative structures are shown in Fig. 1. In the IUPAC system, ()-quinic acid is defined as 1 L-1(OH),3,4/5-tetrahydroxycyclohexane carboxylic acid, but Eliel and Ramirez recommend 1a,3R,4a,5R-tetrahydroxycyclohexane carboxylic acid. CGAs are widely distributed in plants,but the coffee bean is remarkably rich, containing at least 72 CGAs, at an average level of 200mg per cup of coffee, that are not acylated at the C1 of the quinic acid moiety. The immense interest in CGAs originates from their considerable dietary burden, which is estimated at a level of 2 g per human per day. Most edible plants contain various levels of CGAs, and detailed figures have been reviewed by Clifford.There is increasing epidemiological evidence that this class of compounds has a series of health benefits. Furthermore, severalpharmacological activities of CGAs have been demonstrated in vitro and in vivo, including the antioxidant activity,the ability to increase hepatic glucose utilization, the inhibition of the HIV-1 integrase, the antispasmodic activity, and the inhibition of the mutagenicity of carcinogenic compounds,have been revealed by studies so far. |
木蟲 (正式寫手)
數(shù)花瓣
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一般來說,綠原酸(CGAs)是奎尼酸酯類之間形成和某些反式肉桂酸,最常見的是咖啡,p香豆,和阿魏酸和芥子酸。代表結(jié)構(gòu)如圖1所示. 奎尼酸被定義為.....羧酸,但以列、拉米雷斯推薦1、3 r,4、5 r-tetrahydroxycyclohexane羧酸。 CGAs廣泛分布于植物中,但咖啡豆里面的含量是非常豐富的,至少含有72 CGAs,每杯咖啡中含有的平均水平也有200毫克,并非在C1 acylated奎尼酸的一部分。CGAs來源于他們攝入的大量飲食,估計水平為的2g /人/天。大多數(shù)食用植物含有各種水平的CGAs,詳細的數(shù)據(jù)由克利福德審核。某些增加流行病學(xué)證據(jù)表明,這類化合物除有益健康之外,severalpharmacological也已經(jīng)被證明能夠提高肝葡萄糖利用率、抑制hiv - 1的整合酶、抗痙攣藥活動,并且抑制誘變的致癌物質(zhì)。 |

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自己翻譯的,不知道對不對,希望有所幫助 傳統(tǒng)上,綠原酸(CGAS)是在奎尼酸和反式肉桂酸,大多數(shù)常見的咖啡,香豆,阿魏酸,二甲氧基肉桂酸,三甲氧基肉桂酸,芥子酸之間形成的一系列酯。它的典型結(jié)構(gòu)見圖1.在IUPAC(國際理論和應(yīng)用化學(xué)聯(lián)合會)系統(tǒng)中,奎尼酸定義為1 L-1(OH),3,4/5羥基環(huán)己烷羧酸,但是Eliel 和Ramirez(人名)卻推薦1a,3R,4a,5R-羥基環(huán)己烷羧酸.CGAS廣泛分布在植物中,咖啡豆中至少含有72CGAS,含量非常豐富,每杯咖啡豆中平均含有200mg,不是在c1;目崴岢煞。 在CGAS中蘊含的巨大的利益是源于其大量的飲食負擔(dān)。據(jù)估計,每個人每天2g,大多數(shù)可食用的植物中蘊藏著各種級別的CGAS,clifford(人名)已經(jīng)給出了具體的數(shù)值。到目前為止所進行的研究發(fā)現(xiàn),已經(jīng)有越來越多的流行病學(xué)證據(jù)表明,這類化合物對健康有很多的好處。一些CGAS的 藥理學(xué)已經(jīng)證明,這類化合物在體內(nèi)體外,都有抗氧化活性,能夠增加肝葡萄糖的利用,抑制HIV-1整合酶的活動,抗痙攣,并且抑制突變致癌化合物的形成。 |

木蟲 (正式寫手)
數(shù)花瓣

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