persicaria perfoliata
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Rhodora ◽  
10.3119/19-02 ◽  
2019 ◽  
Vol 121 (987) ◽  
pp. 219
Author(s):  
Carole A. S-J. Cheah ◽  
Donna R. Ellis


2019 ◽  
Vol 22 (2) ◽  
pp. 224-227
Author(s):  
Md Sagar Hossain ◽  
NM Mofiz Uddin Khan ◽  
Md Saiful Quddus ◽  
AM Sarwaruddin Chowdhury

β-sitosterol (1) and β-sitosterol-D-glucoside (2) were isolated from the dichloromethane soluble fraction of a methanol extract of the leave of Persicaria perfoliata. The crude fraction was subjected to antimicrobial screening and brine shrimp lethality bioassay, where moderate antimicrobial activity was observed against most of the test organisms was seen. The hexane soluble fraction also displayed significant cytotoxic activity with LC50 0.64 μg/ml in brine shrimp lethality bioassay. This is the first report of occurrence of these compounds from this plant. Bangladesh Pharmaceutical Journal 22(2): 224-227, 2019



2015 ◽  
Vol 83 ◽  
pp. 68-74 ◽  
Author(s):  
Scott H. Berg ◽  
Judith Hough-Goldstein ◽  
Ellen C. Lake ◽  
Vincent D’Amico


2014 ◽  
Vol 76 ◽  
pp. 60-64 ◽  
Author(s):  
Jeffrey R. Smith ◽  
Judith Hough-Goldstein


2014 ◽  
Vol 7 (1) ◽  
pp. 107-112 ◽  
Author(s):  
Jeffrey R. Smith ◽  
Judith Hough-Goldstein ◽  
Ellen C. Lake

AbstractMile-a-minute weed or devil's tearthumb (Polygonum perfoliatum, syn. =Persicaria perfoliata) is an invasive annual vine in the Mid-Atlantic and Northeastern United States that reproduces solely through seeds. Our study aimed to identify how mile-a-minute seed viability is affected by time of year and the maturity of the fruit surrounding the achene. Full-sized immature (green) and mature (blue) fruits were collected from five field sites every 2 wk over a 3 mo period, and seed viability was assessed using a triphenyl tetrazolium chloride (TZ) assay. At the onset of seed production in mid-August, 35% of seeds from immature fruits were viable. This percentage increased steadily, peaking at 84% in late September before declining at some sites around the time of the first frost. In contrast nearly all seeds with mature fruits (96%) were viable at all collection dates. Thus land managers who apply physical or chemical control methods for mile-a-minute weed should do so before the onset of any seed production and not simply before fruit maturation. If it is necessary to apply control methods after fruit set, it should be done as early in the season as possible.



2013 ◽  
Vol 22 (2) ◽  
pp. 127-133 ◽  
Author(s):  
Ellen C. Lake ◽  
Judith Hough-Goldstein ◽  
Vincent D'Amico


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