Pollen grain morphology of Bromeliaceae species collected in areas of the Atlantic Rainforest of southeastern Brazil was studied. The following species were analyzed: Aechmea bambusoides L.B.Sm. & Reitz, A. nudicaulis (L.) Griseb., A. ramosa Mart. ex Schult.f., Ananas bracteatus (Lindl.) Schult.f., Billbergia distachia (Vell.) Mez, B. euphemiae E. Morren, B. horrida Regel, B. zebrina (Herb.) Li...

Tretinoin is the most effective available topical comedolytic agent, but topical application may lead to erythema, peeling and burning of the skin. During the past few decades many reports have documented an emergence of antibiotic resistance by Propionibacterium acnes during treatment of acne. Furthermore, systemic antimicrobials used in the treatment of acne have been causally associated with...

Activated carbon was prepared from agricultural waste “almond (Prunus amygdalus) nut shells” by chemical activation with phosphoric acid as an activating agent at 450 C for 24 hr soaking time. The physical and chemical properties were analyzed. The adsorption of chromium VI from aqueous solution on almond nut shell activated carbon (ASAC) was investigated. The adsorption process parameters pH, ...

Bu-yang-huan-wu-tang (BYHWT) is a popular Traditional Chinese Medicine formula consisting of seven herbal medicines (Astragalus membranaceus, Angelica sinensis, Paeonia lactiflora, Ligusticum chuanxiong, Carthamus tinctorius, Amygdalus persica and Pheretima aspergillum), that has been used in China for centuries to overcome stroke-induced disability. To ensure the consistency of quality, a reli...

This work aimed to evaluate the chemical composition, yield, and antifungal activity of essential oils (EO) native species from ‘Campos de Cima da Serra’ region, South Brazil. The Aloysia gratissima, lycioides, Blepharocalyx salicifolius, Cunila angustifolia, Myrciaria delicatula, Myrcia brasiliensis, Ocimum sp., Schinus polygama had an EO yield higher than 0.1% v/m. in vitro these was tested o...