In a Letter to the Editor published last year [1] possible factual errors in the paper by Laohakunjit et al. [2] that is the subject of this Editor's Note were brought to our attention. In that paper the major component of the solvent extracts of essential oil of galanga (Alpinia galanga Sw.) was identified as fraesol (ethyl 3-methyl-3-phenylglycidate, 1). In [1] it was suggested that since fra...

Nectar-robbing has the potential to strongly affect male and female reproductive fitness of plants. One example of nectar theft is that shown by striped-squirrels (Tamiops swinhoei) on a number of ginger species, including Alpinia roxburghii and A. kwangsiensis (Zingiberaceae). In this study, we used a fluorescent dye as a pollen analogue, and measured fruit and seed output, to test the effect ...

The objective of this study was to determine phytochemical characteristics, chemiluminescence antioxidant capacities, and neuroprotective effects on PC12 cells for methanol extracts of Spatholobus suberectus, Uncaria rhynchophylla, Alpinia officinarum, Drynaria fortunei, and Crataegus pinnatifida. The C. pinnatifida extract (CPE) afforded the greatest yield and total phenolic content. The S. su...

The contents of total phenol and flavonoid 27 edible plants as well their antioxidative digestive enzymes inhibitory activities were evaluated. content the ranged from 1.28-46.80 mg gallic acid equivalent/g. DPPH, ABTS reducing power assay explored that Rubus idaeus Linn, Hibiscus sabdariffa Linn. Crataegus pinnatifida Bge. exhibited stronger antioxidant capacity among plants. 4 showed percenta...

Ankaferd BloodStopper® (ABS) is an herbal extract which has been used historically as a haemostatic agent in traditional Turkish medicine. ABS comprises of standardized mixture of herbs Thymus vulgaris, Glycyrrhiza glabra, Vitis vinifera, Alpinia officinarum and Urtica dioica. Basic effect mechanism of ABS is the formation of an encapsulated protein web which represents the focus points for the...

Some fragrance components of spices used for cooking are known to have an effect on human behavior. The aim of this investigation was to examine the effect of the essential oils of basil (Ocimum formacitratum L.) leaves, lemongrass (Cymbopogon citrates L.) herbs, ki lemo (Litsea cubeba L.) bark, and laja gowah (Alpinia malaccencis Roxb.) rhizomes on locomotor activity in mice and identify the a...