Antibacterial properties and toxicity of Atuna racemosa extract depend on kernel maturity.

Abstract:

:Through data mining a historic herbal text, we identified Atuna racemosa-Raf. as a plant with alleged antibacterial properties. We have shown that these purported antibacterial properties are most prominent in the kernel of the nut of the plant. While working with traditional healers in Samoa during a botanical collection trip, we identified a range of maturity stages of the kernel. Here we show that the antibacterial properties are different at different stages of kernel maturity, and that the immature kernels have a lower minimal inhibitory concentration (MIC) than the mature kernels. Additionally, we show there is a negative correlation between the antibacterial properties and cytotoxic properties (a stronger antibiotic is less cytotoxic), suggesting there are two separate compounds with disparate characteristics. These findings have implications for the use of this natural product as an antibiotic and chemotherapeutic agent.

journal_name

J Ethnopharmacol

authors

Buenz EJ,Tillner JE Jr,Limburg P,Bauer BA

doi

10.1016/j.jep.2007.01.020

subject

Has Abstract

pub_date

2007-05-22 00:00:00

pages

592-7

issue

3

eissn

0378-8741

issn

1872-7573

pii

S0378-8741(07)00026-8

journal_volume

111

pub_type

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