Optimization of ultrasonic-assisted extraction of antioxidant compounds from Guava (Psidium guajava L.) leaves using response surface methodology.

abstract：Introduction:Melanin is synthesized by melanocytes, which are located in the basal layer of the skin. After synthesis, melanin is further deposited on the surface of the skin to form black spots or chloasma. Tyrosinase is a rate-limiting enzyme that plays an important role in melanogenesis. Currently, there are many dr...

journal_title：Pharmacognosy magazine

authors： Hong JH,Chen HJ,Xiang SJ,Cao SW,An BC,Ruan SF,Zhang B,Weng LD,Zhu HX,Liu Q

更新日期：2018-01-01 00:00:00

abstract：BACKGROUND:Rhododendron is a group of famous landscape plants with high medicinal value. However, there is no simple or universal manner to discriminate the various species of this group. Deoxyribonucleic acid (DNA) barcoding technique is a new biological tool that can accurately and objectively identify species by usi...

journal_title：Pharmacognosy magazine

authors： Liu Y,Zhang L,Liu Z,Luo K,Chen S,Chen K

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:Tithonia diversifolia belongs to the Asteraceae family. The leaves of T. diversifolia have been studied lately because of the presence of tagitinin C. OBJECTIVE:Looking for an easy and inexpensive method to extract tagitinin C from T. diversifolia leaves, this work aims to conduct a screening to evaluate th...

journal_title：Pharmacognosy magazine

authors： Silva AMR,Ferreira NLO,Oliveira AE,Borges LL,Conceição EC

更新日期：2017-04-01 00:00:00

abstract：Background:Asparagus adscendens Roxb. (Asparagaceae), is native to the Himalayas. This plant has been used in the prevention and effective treatment of various forms of cancers. Objective:This paper reports, for the first time, on the cytotoxicity of the methanol (MeOH) extract of the roots of A. adscendens and its so...

journal_title：Pharmacognosy magazine

authors： Khan KM,Nahar L,Mannan A,Arfan M,Khan GA,Al-Groshi A,Evans A,Dempster NM,Ismail FMD,Sarker SD

更新日期：2018-01-01 00:00:00

abstract：BACKGROUND:The plant Launaea procumbens belongs to the family Asteraceae and traditionally used in the treatment rheumatism, kidney, liver dysfunctions and eye diseases. In the present study Phytochemical analysis and fractions of methanolic extract of L. procumbens leaves were tested in vitro for their cytotoxicity. ...

journal_title：Pharmacognosy magazine

authors： Rawat P,Saroj LM,Kumar A,Singh TD,Tewari SK,Pal M

更新日期：2016-07-01 00:00:00

abstract：BACKGROUND:Essential oil of Ocimum sanctum Linn. exhibited various pharmacological activities including antifungal and antimicrobial activities. In this study, we analyzed the anticancer and apoptosis mechanisms of Ocimum sanctum essential oil (OSEO). OBJECTIVE:To trigger the apoptosis mechanism in human breast cancer...

journal_title：Pharmacognosy magazine

authors： Manaharan T,Thirugnanasampandan R,Jayakumar R,Kanthimathi MS,Ramya G,Ramnath MG

更新日期：2016-05-01 00:00:00

abstract：BACKGROUND:Vatica diospyroides type LS is a known source of valuable compounds for cancer treatment, however, in contrast little is known about therapeutic efficacy of type SS. OBJECTIVE:This study focused on in vitro cytotoxicity of these fruit extracts, and the cell death mode they induce in breast cancer cells. MA...

journal_title：Pharmacognosy magazine

authors： Srisawat T,Sukpondma Y,Graidist P,Chimplee S,Kanokwiroon K

更新日期：2015-05-01 00:00:00

abstract：BACKGROUND:The active ingredients and thus pharmacological efficacy of traditional Chinese medicine (TCM) at different degrees of parching process vary greatly. OBJECTIVE:Near-infrared spectroscopy (NIR) was used to develop a new method for rapid online analysis of TCM parching process, using two kinds of chemical ind...

journal_title：Pharmacognosy magazine

authors： Li K,Wang W,Liu Y,Jiang S,Huang G,Ye L

更新日期：2017-04-01 00:00:00

abstract：BACKGROUND:Isolation and structure elucidation of flavan-3-ol constituents from the leaves of Ficus spragueana and their cytotoxic activity. MATERIALS AND METHODS:Different open silica gel column chromatographic techniques with different solvent systems were used for the separation of the constituents of the ethyl ace...

journal_title：Pharmacognosy magazine

authors： Ragab EA,Mohammed Ael-S,Abbass HS,Kotb SI

更新日期：2013-04-01 00:00:00

abstract：CONTEXT:Although many studies displayed the favorable effects of Assafoetida, some of them reported that high doses of Assafoetida could lead to harmful effects. AIMS:In this study, the effect of pretreatment with Assafoetida investigated on ischemic-reperfusion injury in isolated rat heart model. MATERIALS AND METHO...

journal_title：Pharmacognosy magazine

authors： Esmailidehaj M,Kakoo M,Rezvani ME,Mosaddeghmehrjardi MH

更新日期：2014-04-01 00:00:00

abstract：AIMS:The study is conducted to evaluate the immunomodulatory, cytotoxicity, and antioxidant potential of Ziziphus mauritiana (Rhamnaceae). Phytochemical analysis of Z. mauritiana revealed the presence of alkaloids, anthraquinone glycoside, cardiac glycoside, saponin, tannin, and flavonoids. METHODOLOGY:The cytotoxicit...

journal_title：Pharmacognosy magazine

authors： Afzal S,Batool M,Ch BA,Ahmad A,Uzair M,Afzal K

更新日期：2017-07-01 00:00:00

abstract：BACKGROUND:Zataria multiflora Boiss. is a traditional and popular spice in Iran. The effects of 3 ecotypes (ECTPs) of Z. multiflora essential oils (EOs) against most common causes of food-borne and nosocomial infections were evaluated. MATERIALS AND METHODS:The antimicrobial activities of the EOs were examined by brot...

journal_title：Pharmacognosy magazine

authors： Zomorodian K,Saharkhiz MJ,Rahimi MJ,Bandegi A,Shekarkhar G,Bandegani A,Pakshir K,Bazargani A

更新日期：2011-01-01 00:00:00

abstract：BACKGROUND:The technique of microscopy has been applied for identification of Chinese materia medica (CMM) since decades. However, very few scientific publications report the combination of conventional microscopy and high performance liquid chromatography (HPLC) techniques for further application to quality assessment...

journal_title：Pharmacognosy magazine

authors： Liang L,Zhao Z,Kang T

更新日期：2014-10-01 00:00:00

abstract：BACKGROUND:Diabetes mellitus is one of the leading chronic diseases worldwide. In patients with poor glycemic control, high blood glucose level may lead to other life-threatening complications. Pandanus amaryllifolius Roxb. (PA) leaves are used in traditional medicine for the treatment of diabetes. OBJECTIVE:This stud...

journal_title：Pharmacognosy magazine

authors： Chiabchalard A,Nooron N

更新日期：2015-01-01 00:00:00

abstract：OBJECTIVE:Three cultivars seeds of Resina ferulae were analyzed for essential oil composition, Ferula sinkiangensis K. M. Shen, Ferula fukangensis K. M. Shen, and Ferula ovina, investigated differences among different genera of medicinal R. ferulae. MATERIALS AND METHODS:The essential oils were extracted by the method...

journal_title：Pharmacognosy magazine

authors： Li X,Wang Y,Zhu J,Xiao Q

更新日期：2011-04-01 00:00:00

abstract：CONTEXT:Diabetes mellitus is a chronic disease, and its incidence is tremendously increasing globally. Decreasing postprandial hyperglycemia by retarding glucose absorption through inhibiting carbohydrates digesting enzymes (α-amylase and α-glucosidase) is one of many approaches used for the management of this disease....

journal_title：Pharmacognosy magazine

authors： Chipiti T,Ibrahim MA,Singh M,Islam MS

更新日期：2015-10-01 00:00:00

abstract：BACKGROUND:Lavatera cretica L. was used in folk medicine as anti-inflammatory among other applications. As inflammation is many times associated with oxidative processes, the aim of the present work was to evaluate the ability of aqueous extracts obtained from different parts of L. cretica to prevent oxidation or infla...

journal_title：Pharmacognosy magazine

authors： Ben-Nasr S,Aazza S,Mnif W,Miguel Mda G

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:Piper trichostachyon is a wild, endemic Piper species from Western Ghats of India. The folklore healers of Belagavi region use this plant, similar to Piper nigrum. AIMS:The present study investigates the comparison between P. nigrum and P. trichostachyon using pharmacognostic parameters. MATERIALS AND METH...

journal_title：Pharmacognosy magazine

authors： Upadhya V,Pai SR,Ankad GM,Hegde HV

更新日期：2016-05-01 00:00:00

abstract：BACKGROUND:Rattan tea is a medicinal plant that has been used for many years for the treatment of inflammation, fatty liver, tumor, diabetes, and hyperlipidemia. OBJECTIVE:A green and novel approach based on surfactant-mediated, ultrasonic-assisted extraction (SM-UAE) was developed for the extraction of antioxidant po...

journal_title：Pharmacognosy magazine

authors： Li F,Raza A,Wang YW,Xu XQ,Chen GH

更新日期：2017-07-01 00:00:00

abstract：BACKGROUND:Caries and periodontal diseases remain as important diseases in the Brazilian population. One important pathogen associated with this situation is Streptococcus mutans and other important factor is this pathogen's ability to adhere firmly to the tooth surface leading to dental biofilm formation and caries de...

journal_title：Pharmacognosy magazine

authors： de Sousa MB,Júnior JO,Barbosa WL,da Silva Valério E,da Mata Lima A,de Araújo MH,Muzitano MF,Nakamura CV,de Mello JC,Teixeira FM

更新日期：2016-05-01 00:00:00

abstract：BACKGROUND:Gegenqinlian decoction (GQD) is a famous traditional medicine recipe. It is composed of four herbs including Radix Puerariae (GG), Radix Scutellariae (HQ), Rhizoma Coptidis (HL) and Radix Glycyrrhizae (GC), which is widely used for treating gastro-intestinal disorders in the clinical practice of Traditional ...

journal_title：Pharmacognosy magazine

authors： Zhang Y,Yuan J,Wang Y,Wang Y,An R,Wang X

更新日期：2014-07-01 00:00:00

abstract：CONTEXT:It was found that the essential oil of Acorus calamus rhizomes showed insecticidal activity. AIM:The aim of this study was to determine the chemical composition of the essential oil from A. calamus rhizomes, evaluate insecticidal and repellant activity against Lasioderma serricorne (LS) and Tribolium castaneum...

journal_title：Pharmacognosy magazine

authors： Chen HP,Yang K,Zheng LS,You CX,Cai Q,Wang CF

更新日期：2015-10-01 00:00:00

abstract：Objective:Wine grape sap or bleeding sap of grapes (GBS) is commonly used in Xinjiang (China) for therapeutic aims. Do variations in composition related to region and variety affect its properties? Methods:GBS samples originating in various parts of Xinjiang (Turpan, Hotan, Kashgar, and Atush) were tested for phenols ...

journal_title：Pharmacognosy magazine

authors： Le L,Umar A,Iburaim A,Moore N

更新日期：2017-10-01 00:00:00

abstract：:In this work, the chemical constituents, antibacterial and modulatory activities of the essential oil of Lantana camara Linn were studied. The essential oil was extracted from the leaves of L. camara by hydrodistillation method using Clevenger's apparatus and its chemical constituents were separated and identified by ...

journal_title：Pharmacognosy magazine

authors： Sousa EO,Silva NF,Rodrigues FF,Campos AR,Lima SG,Costa JG

更新日期：2010-04-01 00:00:00

abstract：Background:Moringa oleifera (MO), commonly known as the drumstick tree, is used in folklore medicine for the treatment of skin disease. Objective:The objective of this study is to evaluate the ethyl acetate (EtOAc) fraction of MO leaves for in vitro antibacterial, antioxidant, and wound healing activities and conduct ...

journal_title：Pharmacognosy magazine

authors： Gothai S,Muniandy K,Zarin MA,Sean TW,Kumar SS,Munusamy MA,Fakurazi S,Arulselvan P

更新日期：2017-10-01 00:00:00

abstract：:The hexane, ethylacetate and methanol extracts from Bauhinia tomentosa and Bauhinia vahlii roots were tested for their antimicrobial activity against Gram-positive bacteria (four strains), Gram-negative bacteria (three strains) and three fungi strains using microdilution methods, for the determination of minimal inhib...

journal_title：Pharmacognosy magazine

authors： Dugasani S,Balijepalli MK,Tandra S,Pichika MR

更新日期：2010-07-01 00:00:00

abstract：BACKGROUND:Coffea canephora is the commonly cultivated coffee species in the world along with Coffea arabica. Different pests and pathogens affect the production and quality of the coffee. Jasmonic acid (JA) is a plant hormone which plays an important role in plants growth, development, and defense mechanisms, particul...

journal_title：Pharmacognosy magazine

authors： Bharathi K,Sreenath HL

更新日期：2017-07-01 00:00:00

abstract：BACKGROUND:Yinqiaosan (Lonicerae and Forsythiae Powder), as a famous prescription of Dr. Wu Jutong in Qing dynasty of China, has the effects of diaphoresis cooling, fire-purging, and detoxicaton. It is mainly used in the treatment of influenza, hand-foot-mouth disease, esophagitis, pneumonia, acute tonsillitis, mumps, ...

journal_title：Pharmacognosy magazine

authors： Shu Y,Chen Y,Qin K,Liu X,Cai B

更新日期：2016-04-01 00:00:00

abstract：OBJECTIVE:To determine the free amino acid contents of chamomile flowers using reverse-phase high-performance column chromatography preceded by pre-column derivatization with 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate (AQC), and to determine the reliability of this method. MATERIALS AND METHODS:Derivatization wit...

journal_title：Pharmacognosy magazine

authors： Ma X,Zhao D,Li X,Meng L

更新日期：2015-01-01 00:00:00

abstract：Background:Leaves of Costus pictus D. Don, (insulin plant) are used as dietary supplement for the treatment of diabetes. Objective:The antidiabetic activity of this plant is well documented, but its activity on different cell types and mechanism remains unknown. Thus, the present study evaluates the cytotoxicity of C....

journal_title：Pharmacognosy magazine

authors： Neethu PV,Suthindhiran K,Jayasri MA

更新日期：2017-10-01 00:00:00