4 documents found, page 1 of 1
Chemical composition, nutritional properties, and antioxidant activity of Lican...
Medeiros, Jackeline Lima de; Almeida, Thiago Silva de; Lopes Neto, José Joaquim; Almeida Filho, Luiz Carlos Pereira; Ribeiro, Paulo Riceli VasconcelosLicania tomentosa is a Brazilian plant species that produces edible fruits, yet there is little information available concerning their nutritional and/or bioactive composition. This study aimed to evaluate the nutritional and polyphenol composition of L. tomentosa fruits (pulp and seeds) and measure antioxidant activity in ethanolic extracts.The pulp and seeds were excellent sources of fiber (25.62%–41.70%) as ...
Spirostanol glucosides from the leaves of Cestrum laevigatum L.
Ribeiro, Paulo Riceli Vasconcelos; Araújo, Ana Jérsia; Costa-Lotufo, Letícia Veras; Braz-Filho, Raimundo; Nobre Júnior, Hélio VitorianoTwo new steroidal saponins, (25R)-spirost-5-ene-3β,26β-diol 3-O-α-l-rhamnopyranosyl-(1 → 4)-α-l-rhamnopyranosyl-(1 → 4)-[(1 → 2)-α-l-rhamnopyranosyl]-β-d-glucopyranoside (1) and (25R)-spirost-6-ene-3β,5β-diol 3-O-α-l-rhamnopyranosyl-(1 → 4)-α-l-rhamnopyranosyl-(1 → 4)-[(1 → 2)-α-l-rhamnopyranosyl]-β-d-glucopyranoside (2), along with the known diosgenin 3-O-α-l-rhamnopyranosyl-(1 → 4)-α-l-rhamnopyranosyl-(1 → 4)...
Estudo Químico de Baccharis salzmannii DC
Ribeiro, Paulo Riceli VasconcelosThis work presents the chemical study from the leaves of the species Baccharis salzmannii DC (Asteraceae) collected in the city of Jacobina, Bahia. The phytochemical investigation of the ethanol extract of leaves provided the isolation of the flavonoids 5,7,4 '-trihydroxy-flavone (apigenin) and 5,7,4'-trihydroxy-flavanone (narigenina), of the diterpene kaurenoic acid, two clerodane compounds, namely, (-)-(5R,6S...
Clerodane and patchoulene terpenes as new constituents from Baccharis salzmanni...
Ribeiro, Paulo Riceli Vasconcelos; Girão, Daniel de Castro; Pimenta, Antonia Torres Ávila; Braz Filho, Raimundo; Guedes, Maria Lenise SilvaTexto completo: acesso restrito. p. 101–105; Submitted by Suelen Reis (suziy.ellen@gmail.com) on 2014-04-24T12:45:21Z No. of bitstreams: 1 1-s2.0-S0305197813000872-main.pdf: 215650 bytes, checksum: 070d3f03f69b2b9ac58e66b2e61a9750 (MD5); Approved for entry into archive by Rodrigo Meirelles (rodrigomei@ufba.br) on 2014-10-10T15:07:42Z (GMT) No. of bitstreams: 1 1-s2.0-S0305197813000872-main.pdf: 215650 bytes, ch...