Morphological, agronomical and pharmacological characterization of Hyptis pectinata (L.) Poit germplasm

Abstract

Several species of the genus Hyptis have presented medicinal characteristics and are frequently indicated to treat gastro intestinal infections, gramps and pain, as well as for skin infections. Three harvests were carried out using six H. pectinata accessions, and the following characteristics were evaluated: plant height, canopy diameter, leave length (L) and width (W), L/W relation and dry weight of leaves and stem. The accession SAM006 have presented highest leave dry matter yield when the three harvests were summed. The aqueous leaf extracts of the same six H. pectinata accessions were tested for anti-edematogenic effect using the carrageenininduced rat paw edema at doses of 200, 400 and 600 mg/kg. The extracts administered orally had a signifi cant anti-edematogenic effect. The dose of 200 mg/kg of accessions SAM004 and SAM005 had a stronger effect reducing the edema by 19.6% and 15.4%, respectively. Similar results were obtained using higher dosages of the aqueous extract of the accessions SAM002, SAM003 and SAM006. It can be concluded that the accessions SAM004, SAM005 and SAM006 are promising genotypes for a plant breeding program that aims the development of a cultivar with highest leave yielding and anti-edematogenic effect.

Essential oil composition and variability in Hyptis fruticosa

“…Table 4 shows the p-values for the differences between samples. Chemical polymorphism in the genus Hyptis have been investigated by several authors (Azevedo et al, 2001;Arrigoni-Blank et al, 2005). Results showed that genetic variations within the same species, as well as the climate and soil types, could vary the chemical characteristics of the active constituents.…”

Chemical diversity of essential oils from Hyptis pectinata (L.) Poit

“…Among these species, H. pectinata, popularly known in the Brazilian Northeast as "sambacaitá" or "canudinho", is extensively used in folk medicine in the treatment of bacterial infections and inflammation (ARRIGONI-BLANK et al, 2005). In addition, several biological properties of its essential oils or extracts have already been proved, such as its antidematogenic, antinociceptive , antimicrobial , insecticide (SILVA et al, 2008), anti-inflammatory (RAYMUNDO et al, 2011), and leishmanicide activities (FALCAO et al, 2013).…”

Effects of the aqueous extract from Hyptis pectinata leaves on rodent central nervous system

“…The aqueous extract from the H. pectinata leaves was investigated for its antinociceptive and antioedematogenic properties. The extract showed positive results on the abdominal contortions and hot plate analgesy models and antinfl ammatory activity in the paw oedema model (Bispo et al, 2001;Arrigoni-Blank et al, 2005;Falcão et al, 2005). The same laboratory demonstrated that the aqueous extract of H. pectinata accelerated liver regeneration after hepatectomy in rats (Melo et al, 2005).…”

“…It is commonly cultivated in the backyards of many Brazilian houses where the plant is used as an analgesic and antiinfl ammatory preparation obtained from its leaves by decoction or infusion. (Carvalho, 1999;Arrigoni-Blank et al, 2005;Falcão et al, 2005). H. pectinata is also described in Brazilian folk medicine for the treatment of rhinopharyngitis, nasal congestion, skin diseases, fever, bacterial and fungi infections (Malam et al, 1988;).…”