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At least 163 records · Page 9Linked to original sources
PubMed2001

Antimicrobial activity of Alstonia macrophylla: a folklore of bay islands.

The methanolic crude and methanol-aqueous extract of Alstonia macrophylla leaves and n-butanol part of the crude extract showed antimicrobial activity against various strains of Staphylococcus aureus, Staphylococcus saprophyticus, Streptococcus faecalis, Escherichia coli, Proteus mirabilis, Trichophyton rubrum, Trichophyton mentagrophytes var. mentagrophytes and Microsporum gypseum. The minimum inhibitory concentration (MIC) values ranges from 64 to 1000 microg/ml for bacteria and 32-128 mg/ml for dermatophytes. However, the strains of Pseudomonas aeruginosa, Klebsiella sp. and Vibrio cholerae showed resistance against in vitro treatment of the extracts up to 2000 microg/ml concentration, while the two yeast species were resistant even at 128 mg/ml concentration. The stem bark extract prepared similarly was found to be less active compared to the leaves. Phytochemical study indicates that the crude extract contains tannins, flavonoids, saponins, sterols, triterpene and reducing sugars. Further fractionation and purification of n-butanol part of the extract showed the presence of beta-sitosterol, ursolic acid, beta-sitosterol glucoside and a mixture of minor compounds only detected in TLC.

Anti-Bacterial Agents↗
PubMed2002

Cancer prevention and therapy with kiwifruit in Chinese folklore medicine: a study of kiwifruit extracts.

Kiwi gold fruits were extracted successively with hexane, acetone, methanol and 70% methanol, and further fractionated by silica gel and ODS column chromatographies for the assays of various biological activities. Five fractions H1, H2 (hexane extract), Al, A2 (acetone extract) and M2 (methanol extract) showed selective cytotoxic activity against human oral tumor cell lines, which was more sensitive than human gingival fibroblasts. More hydrophilic fractions [70M3, 70M4, 70M5] of 70% methanol extract displayed higher anti-HIV activity, radical generation and O2- scavenging activity. The antibacterial activity of 70% methanol extracts [70M0, 70M1, 70M2, 70M3, 70M4] was generally lower than that of more lipophilic fractions (hexane, acetone, methanol extracts), although each fraction did not show any specific antimicrobial action. All fractions were inactive against Helicobacter pylori. These results demonstrate that gold kiwifruit extracts contain valuable, various bioactive materials, which can be separated with each other.

Actinidia↗
PubMed1998

Antimicrobial activity of 20 plants used in folkloric medicine in the Palestinian area.

Ethanolic and aqueous extracts of 20 Palestinian plant species used in folk medicine were investigated for their antimicrobial activities against five bacterial species (Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae, Proteus vulgaris, Pseudomonas aeruginosa) and one yeast (Candida albicans). The plants showed 90% of antimicrobial activity, with significant difference in activity between the different plants. The most antimicrobially active plants were Phagnalon rupestre and Micromeria nervosa, whereas, the least active plant was Ziziphus spina-christi. Only ten of the tested plant extracts were active against C. albicans, with the most active from M. nervosa and Inula viscosa and the least active from Ruscus aculeatus. Of all extracts the ethanolic extract of M. nervosa was the most active, whereas, the aqueous extract of Phagnalon rupestre was the most active of all aqueous extracts tested. The ethanolic extracts (70%) showed activity against both Gram positive and negative bacteria and 40% of these extracts showed anticandidal activity, whereas, 50% of the aqueous extracts showed antibacterial activity and 20% of these extracts showed anticandidal activity.

Anti-Bacterial Agents↗
PubMedDate not supplied

Podiatry folklore.

Explore the source record for details and available documents.

Aged↗
PubMed2004

Is traumatic amnesia nothing but psychiatric folklore?

Some psychotherapists believe that certain experiences are so overwhelmingly traumatic that some victims become incapable of remembering their worst trauma except under special circumstances (e.g. therapy) many years later. Unfortunately, clinicians who endorse this concept of traumatic amnesia often misinterpret the very studies they adduce in support of it. More specifically, they misinterpret other, unrelated memory phenomena as evidence for traumatic amnesia, such as ordinary forgetfulness, psychogenic amnesia, organic amnesia, incomplete encoding of traumatic experiences, non-disclosure of remembered trauma, and simply not thinking about something for a long time. The purpose of this article is to dispel confusions rampant in this literature.

Amnesia↗
PubMed2001

Oligodendroglial neoplasms: current concepts, misconceptions, and folklore.

Given current prognostic and therapeutic implications, the accurate classification and grading of oligodendroglial neoplasms has become critical. However, the prevalence of morphologically ambiguous gliomas, subjective histologic criteria, personal biases, oligodendroglioma mimics, and the lack of specific oligodendroglioma markers has led to high interobserver variability and created a contentious problem encountered daily in active surgical neuropathology practices. Since histologic assessment is still a powerful prognosticator, it appropriately remains the diagnostic gold standard. However, recent efforts have focused on identifying the most reproducible and clinically relevant criteria, standardizing classification and grading schemes, and searching for useful ancillary biologic and genetic markers capable of further stratifying an otherwise heterogeneous patient population. This paper reviews the morphologic and genetic spectrum of oligodendroglial neoplasms, recent diagnostic and prognostic developments, and potential future directions.

Biomarkers, Tumor↗
PubMed1989

Chinese whispers: the folklore of community psychiatric nursing manpower planning targets.

The relatively recent establishment of manpower planning targets for community psychiatric nursing services in England are traced to their origins in 1976. The original mathematics are reworked and differences are found. Methodological and substantive issues which flow from the findings are discussed, both in relation to post-basic nurse education in general and for future planning of community psychiatric nursing in particular. Future research directions are suggested.

Community Mental Health Services↗