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We investigated constituent of triterpenoid saponins ofAlbizzia, two new compounds together with two known compounds were isolated from Albizzia julibrissin Durazz. by using column chromatography (macroreticular resin, silica gel, Sephadex gel, reverse phase silica gel),preparative HPLC methods et al.On the basis of spectroscopic analysis, including IR,ESI-MS,~1H-NMR,~(13)C-NMR,HMBC,HMQC,~1H-~1HCOSY and chemical methods, the structure of two new compounds were identified as 3 - O -[β-D-xylopyranosyl(1→2)-β-D-fucopyranosyl (1→6)-β- D -2- deoxy - 2 - acetoamidoglucopyranosyl] -21-O-[(6S)-2- trans- 2,6-dimethyl - 6 - O-β- D - quinovopyranosyl -2,7- octadienoyl] - acacic acid- 28 - O-β-D-glucopyranosyl(1→3)[α-L-arabinofuranosyl(1→4)]-α-L-rhamnopyranosyl(1→2)-β-D-glucopyranoside acacic acid 3- O -β- D- glucopyranosy(1→3)-β- D- fucopyranosl(1→6) [β-D- xylopyranosyl (1→2)]-β-D-glucopyranoside ;two known compounds were acacic acid lactone 3- O -β-D- xylopyranosyl-(1→2)-β-D-fucopyranosl (1→6)- 2-deoxy -2 -acetoamido -β-D- glucopyranoside ; acacic acid lactone 3- O-β-D-xylopyranosyl(1→2)-α-L- arabinopyranosl (1→6)- 2- deoxy - 2- acetoamido -β-D-glucopyranoside . The study lays chemical foundation and chemical reference substance for enhancing quality standard of Albizzia julibrissin Durazz.

本研究论文在综述国内外对合欢属Albizzia三萜皂苷化学成分和药理作用研究进展的基础上，利用传统植化分离手段和现代分离技术，包括大孔树脂、硅胶、葡聚糖凝胶、反相硅胶等柱色谱，制备高效液相色谱法等技术从中药合欢皮中分离得到了4个化合物，其中，2个新化合物和2个己知化合物，并进一步通过现代分析技术IR，ESI-MS，~1H-NMR，~(13C-NMR，HMBC，HMQC，~1H-~1HCOSY等和化学方法鉴定了2个新化合物的结构分别是：3-O-[β-D-吡喃木糖基(1→2)-β-D-吡喃夫糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖基]-21-O-[(6S)-2-反式-2，6-二甲基-6-O-β-D-吡喃鸡纳糖基-2，7-辛二烯酸基]-金合欢酸-28-O-α-L-呋喃阿拉伯糖基(1→4)[β-D-吡喃葡萄糖基(1→3)]-α-L-吡喃鼠李糖基(1→2)-β-D-吡喃葡萄糖苷，金合欢酸3-O-β-D-吡喃葡萄糖基(1→3)-β-D-吡喃夫糖基(1→6)[β-D-吡喃木糖基(1→2)]-β-D-吡喃葡萄糖苷；2个已知化合物结构分别是：金和欢酸内酯3-O-β-D-吡喃木糖基(1→2)-β-D-吡喃夫糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖苷，金和欢酸内酯3-O-β-D-吡喃木糖基(1→2)-α-L-吡喃阿拉伯糖基(1→6)-β-D-2-去氧-2-乙酰氨基吡喃葡萄糖苷。

Their structures were identified by chemical and spectral analysis. RESULTS Five compounds were isolated and identified as stigmasterol 3-O-β-D-glucopyranoside, 20β-hydroxy-ecdysone,β-L-thymidine, pennogenin 3-O-α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranoside and pennogenin 3-O-α-L-rhamnopyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→4)-[α-L-rhamnopyranosyl-(1→2)-]-β-D-glucopyranoiside.

结果 分离并鉴定了5个化合物，分别是Δ5，22-豆甾醇3-O-β-D-葡萄吡喃糖苷，20β-羟基蜕皮激素，β-L-脱氧胸腺嘧啶苷，偏诺皂苷元3-O-α-L-鼠李吡喃糖基－(1→2)-β-D-葡萄吡喃糖苷和偏诺皂苷元3-O-α-L-鼠李吡喃糖基－(1→4)-α-L-鼠李吡喃糖基－(1→4)-［α-L-鼠李吡喃糖基－(1→2)-］-β-D-葡萄吡喃糖苷。

Their structures were elucidated on the basis of chemical and spectral analysis. RESULTS: Twelve compounds were isolated from the 95% ethanol extract of the aerial parts of L.rotata. Their structures were identified as luteolin (1), luteolin 7-O-β-D-glucopyranoside (2), apigenin (3), apigenin 7-O-β-D-glucopyranoside (4), apigenin7-O-6-(E-p-coumaroyl-β-D-galactopyranoside (5), tricin (6), acacetin (7), genkwanin (8), lamiophlomiol A (9), lamiophlomiol B (10), shanzhiside methyl ester(11)and syringic acid (12), respectively.

结果：从独一味地上部分的乙醇提取物中分离得到了12个化合物，分别鉴定为木犀草素(1)、木犀草素7-O-β-D-吡喃葡萄糖苷(2)、芹菜素(3)、芹菜素7-O-β-D-吡喃葡萄糖苷(4)、芹菜素7-O-（6-反式－对－香豆酰基）－β-D-半乳糖苷(5)、小麦黄素(6)、刺槐素(7)、芜花素(8)、独一味素A(9)、独一味素B(10)、山桅苷甲酯(11)及丁香酸(12)。

Sixteen compounds were separated from 80% ethanol extract of Plant A, they were:-lariciresinol,-isolariciresinol,-isolariciresinol 9-O-β-D-glucopyranoside, tanegoside B, apiginin, apigenin 7-O-β-D-glucoside, apigenin 7-O-β-neospheroside, quercetin 3-O-β-D-glucopyranoside, 1, 7-dihydroxy-3, 4-dimethoxyxanthone, 3-O- [α-L-rhamnopyranosyl (1-4 ] -β-D-glucopyranoside-(25S)-5β-spirostan-3β-ol , 3β-O-D-glucopyranoside quinovic acid, mangiferin , 3'-p-hydroxybenzoyl-mangiferin, physcion, benzenyl methanol β-D-glucopyranoside and Vanillic acid.

结果： 1。从植物A的80％乙醇提取物中共分离得到16个化合物，分别为：-落叶松脂醇、-异落叶松脂醇、异落叶松脂醇9-O-β-D-吡喃葡萄糖苷、tanegoside B、芹菜素、芹菜素7-O-β-葡萄糖苷、芹菜素7-O-β-新橙皮糖苷、槲皮素3-O-β-D-吡喃葡萄糖苷、1，7-二羟基-3，4-二甲氧基-口山酮、菝葜皂苷元-3-O-[α-L-吡喃鼠李糖基（1-4）]-β-D-吡喃葡萄糖苷、喹诺酸3β-O-D-葡萄糖苷、知母宁、3′-对羟基苯甲酸-知母宁、大黄素甲醚、苯甲醇-β-D-吡喃葡萄糖苷、香草酸。

Their chemical structures were characterizd on the basis of spectral and chemical evidences to be: Sarracenin (1), 2-methyl-5-hydroxy-7-O-ethyl caffeate chromome (2), Naringenin(3), 2-methyl-5, 7-dihydroxychromome (4), 2-methyl-6-hydroxyl-cinnamic acid methyl ester (5), eriodictyol (6), quercetin (7), Naringenin-7-O-β-D-glucoside( 8 ), eriodictyol-7-O-α-D-glucoside (9), quercetin-3-O-β-D-glucoside(10). In addition, one compound was abtained from the n-butanol frationk, which was finally identified as Morrosiside(11) by spectral and chemical evidences.

以波谱数据及其理化性质鉴定为：Sarracenin(1)，2-甲基-5-羟基-7-O-咖啡酸乙酯色原酮(2)，柚皮素(3)，2-甲基-5，7-二羟基色原酮(4)，2-甲基-6-羟基苯丙烯酸甲酯(5)，圣草酚(6)，槲皮素(7)，柚皮素-7-O-β-D-葡萄糖苷(Naringenin-7-O-β-D-glucoside)(8)，圣草酚-7-O-α-D-葡萄糖苷(eriodictyol-7-O-α-D-glucoside)(9)，槲皮素-3-O-β-D-葡萄糖苷(quercetin--3-O-β-D-glucoside)(10)；另外从正丁醇萃取部位分离得到1个化合物，以波谱数据和文献对照鉴定为：Morroniside(11)。

On the basis of spectral analysis, these compounds were identified as Kaempferol , Kaempferol-3-O-β-D-glucopyranoside , Kaempferol-3-O-β-D-galactopyranoside, Quercetin , Quercetin-3-O-β-D-arabinopyranoside, Quercetin-3-O-β-D-galactopyranoside, gallic acid, methyl gallate-4-O-β-D- galactopyranoside, caffeicacid, methyl caffeate, 4-cafeoyl-(3"a, 4"a, 5"β)- trihydroxyquinic acid, 3"-cafeoyl-(3"a, 4"P, 5"P )-trihydroxyquinic acid methyl ester, 5"-cafeoyl-galactonic acid , pumiloside, loganic acid , 5R,6S,7E-megastima-3-on-7-en-9-ol 9-O-β-D-glucopyranoside. 2a, 3β-dihydroxy-oleanoic acid , 2a, 3β, 23-trihydroxy-oleanoic acid, 3a, 6a-dihydroxy-oleanoic acid, 3β-hydroxy-ursoic acid, 2a, 3a, 23-trihydroxy-ursoic acid , 2a, 3β, 23-trihydroxy-ursoic acid, 2β, 3β, 19a -trihydroxy-ursoic acid, 2a , 3β, 19a -trihydroxy-ursoic acid-28-O-β-D-glucopyranoside , 2a. 3a, 19a-trihydroxy-ursoic acid-28-O-β-D-glucopyranoside, 2a, 3a, 19a, 23-tetrahydroxy-ursoic acid, 1a, 3a, 19a, 23-tetrahydroxy-ursoic acid-28-O-β-D-glucopyranoside , 3a, 19a, 23-trihydroxy-ursoic acid.

从珙桐中分离鉴定得到了28种化合物，它们分别是：山奈酚，3-O-β-D-吡喃葡萄糖基-山奈酚甙，3-O-β-D-吡喃半乳糖基-山奈酚甙，槲皮素，3-O-β-D-吡喃阿拉伯糖基-槲皮素甙，3-O-β-D-吡喃半乳糖基-槲皮素甙，没食子酸，4-O-β-D-吡喃半乳糖基-没食子酸甲酯，咖啡酸，咖啡酸甲酯，4-咖啡酰基-(3&α，4&α，5&β)-三羟基鸡纳酸，4-咖啡酰基-(3&α，4&β，5&β)-三羟基鸡纳酸甲酯，5'-咖啡酰基-半乳糖酸，pumiloside，loganic acid，5R，6S，7E-megastima-3-on-7-en-9-ol9-O-β-D-glucopyranoside，2α，3β-二羟基齐墩果酸，2α，3β，23-三羟基齐墩果酸，3α，6α-二羟基齐墩果酸，3β-羟基熊果酸，2α，3α，23-三羟基熊果酸，2α，3β，23-三羟基熊果酸，2β，3β，19α-三羟基熊果酸，2β，3β，19α-三羟基熊果酸-28-O-β-D-吡喃葡萄糖甙，2α，3α，19α-三羟基熊果酸-28-O-β-D-吡喃葡萄糖基甙，2α，3α，19α，23-四羟基熊果酸，2α，3α，19α，23-四羟基熊果酸-28-O-β-D-吡喃葡萄糖基甙，3α，19α，23-三羟基熊果酸。

Result: Eight compounds were isolated and they were identified as β-sitosterol (1), succinic acid (2), luteolin-7-O-β-D-glucoside (3), uracil (4), apigenin (5), chrysoeriol (6), chrysoeriol-7-O-β-D-glucoside (7), and apigenin-7-O-β-D-glucoside (8). Conclusion: Compound 4-8 were isolated from L.

结果：从藏药短管兔耳草醋酸乙酯提取物中分离得到8个化合物，经鉴定分别为β-谷甾醇（1），琥珀酸（2），木樨草素-7-O-β-D-葡萄糖苷（3），尿嘧啶（4），芹菜素（5），柯伊利素（6），柯伊利素-7-O-β-D-葡萄糖苷（7）和芹菜素-7-O-β-D-葡萄糖苷（8）。

These compounds were identified as follows:chrysophanol (FP-1),physcion(FP-2),eriosematin(FP-3),scoparone(FP-4),lupeol(FP-5),betulinic acid(FP-6),3\',4\'-Dihydroxy-trans-cinamic acid octacosyl ester(FP-7),β-sitosterol (FP-8),flemiphilippinone A(FP-9),monopalmitin(FP-10),emodin(FP-11),islandicin (FP-12),salicylic acid(FP-13),p-methoxyphenylpropionic acid(FP-14),trideca-1, 3-diene(FP-15),lupinifolin(FP-16),flemichin D(FP-17),flemiphilippinin A(FP-18), auriculasin(FP-19),erythrinin B(FP-20),6-C-prenylluteolin(FP-21), 8-(1,1-dimethylallyl) genistein(FP-22),flemiphilippinin E(FP-23),flemiphilippinin F (FP-24),5,7,3\',4\'-tetrahydroxy-6,8-diprenylisoflavone(FP-25),flemiphilippinin D (FP-26),dorsmaninsⅠ(FP-27),osajin(FP-28),6,8-diprenyleriodictyol(FP-29), lupinalbin A(FP-30),genistein(FP-31),3\'-O-methylorobol(FP-32),orobol(FP-33), 5,7,2\',3\',4\'-pentahrdroxyflavone(FP-34),the mixture of biochanin A and prunetin (FP-35 and 36),genistin(FP-37),sophororicoside(FP-38),3\'-O-methylorobol-7-glucoside(FP-39),the mixture of sissotrin and prunetin 4\'-O-β-D-glucoside(FP-40 and 41),adenosine(FP-42) and luteoloside(FP-43,mixture).

这些化合物分别为大黄酚(FP-1)、大黄素甲醚(FP-2)、eriosematin(FP-3)、滨蒿内酯(FP-4)、羽扇豆醇(FP-5)、白桦酸(FP-6)、咖啡酸二十八烷酯(FP-7)、β-谷甾醇(FP-8)、蔓性千斤拔酮A(FP-9)、单棕榈酸甘油酯(FP-10)、大黄素(FP-11)、islandicin(FP-12)、水杨酸(FP-13)、对甲氧基苯丙酸(FP-14)、十三烷-1，4-二烯烃(FP-15)、lupinifolin(FP-16)、千斤拔素D(FP-17)、蔓性千斤拔素A(FP-18)、auriculasin(FP-19)、erythrinin B(FP-20)、6-C-异戊烯基木犀草素(FP-21)、8-(1，1-二甲烯丙基)-染料木黄酮(FP-22)、蔓性千斤拔素E(FP-23)、蔓性千斤拔素F(FP-24)、5，7，3′，4′-四羟基-6，8-双异戊烯基异黄酮(FP-25)、蔓性千斤拔素D(FP-26)、dorsmaninsⅠ(FP-27)、osajin(FP-28)、6，8-双异戊烯基圣草素(FP-29)、lupinalbin A(FP-30)、染料木黄酮(FP-31)、3\'-O-甲基香豌豆苷元(FP-32)、奥洛醇(FP-33)、5，7，2′，3′，4′-五羟基黄酮(FP-34)、鹰嘴豆素甲和樱黄素的混合物(FP-35和FP-36)、染料木苷(FP-37)、槐属苷(FP-38)、7-葡萄糖基-3\'-O-甲基香豌豆苷(FP-39)、印度黄檀苷和樱黄素4′-O-β-D-葡萄糖苷的混合物(FP-40和FP-41)、腺嘌呤核苷(FP-42)和木犀草苷(FP-43，混合物)。

We have investigated on the chemical constituents of Nepeta partite collected from Gansu Zhuanglang, and twenty eight compounds were isolated from the methanol extraction of this species by chromatography techniques. Twenty five compounds were identified by means of chemical and spectra methods IR, FABMS, EI-MS,〓, DEPT, and 2D NMR）, among which four compounds were new as isopimar-15-en-3β, 8β, 20-triol; phenylethanal-3-O-（2'-glycerin）-5-O-β-D-glucopyranoside; 3-O-linolenoylglyceryl-6'-O-(α-D-galactopyranosyl）-β-D-galactopyranoside; ethyl rosemarinate.

我们对采自甘肃庄浪的康藏荆芥进行了化学成分的研究，利用层析手段从该植物的甲醇浸膏中分离出二十八个化合物，经化学方法和波谱技术（红外，质谱，一维和二维核磁共振谱）鉴定了二十五个化合物的结构，其中四个为新的化合物，它们分别是：异海松-15-烯-3β，8β，20-三醇；苯乙醇-3-O-（2'-甘油基）-5-O-β-D-吡喃葡萄糖甙；3-O-亚麻酰基甘油-6'-0--β-D-吡喃半乳糖甙；迷迭香酸乙酯。

With this set of criteria, the literatures published 3—O—L—rhamnosyl—(1→2/1→4)—L— rhamnoside, 3—O -D—xylosyl—(1→2/1→4)-L-rhamnoside and 3-O-D — glucosyl-(1 →2/1→4)—L— rhamnoside structures of anhydroicaritin and desmethylanhydroicaritin were re-evaluated.

本文以上述双糖1→2连接的光谱标准，对文献报道的脱水淫羊藿素和去甲脱水淫羊藿素3—O—L一鼠李糖—(1→2或1→4)—L—鼠李糖甙、3—O—D—木糖—(1→2或1→4)—L—鼠李糖甙及3—O—D—葡萄糖—(1→2或1→4)—L—鼠李糖甙类化合物的结构进行了重新评价。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。