| Name: | Description: | Size: | Format: | |
|---|---|---|---|---|
| 384.27 KB | Adobe PDF |
Advisor(s)
Abstract(s)
The effects of fruiting body maturity on chemical composition and antimicrobial activity of the wild mushrooms, Lactarius deliciosus and Lactarius piperatus, were evaluated. Immature and mature
samples were analyzed for proximate constituents (moisture, fat, crude protein, ash, carbohydrates),
nutritional value, and individual composition in fatty acids and sugars. Protein content, MUFA
(monounsaturated fatty acids), and PUFA (polyunsaturated fatty acids) percentages increased with
the fruiting body maturity stage, while carbohydrate and SFA (saturated fatty acids) content decreased.
The maturity stage did not significantly affect the individual sugar profile. The antimicrobial activity
of the mushrooms was screened against Gram positive and Gram negative bacteria and fungi, and
correlated to the amounts of phenols, flavonoids, ascorbic acid, β-carotene, and lycopene present in
the immature and mature fruiting bodies. Mature fruiting bodies with mature spores presented lower
antimicrobial activity, which was in agreement with the bioactive compound content found in those
samples.
Description
Keywords
Antimicrobial activity Chemical composition Fruiting body maturity Lactarius deliciosus Lactarius piperatus
Citation
Barros, Lillian; Baptista, Paula; Estevinho, Letícia M.; Ferreira, Isabel C.F.R. (2007). Effect of fruiting body maturity stage on chemical composition and antimicrobial activity of lactarius sp. Mushrooms. Journal of Agricultural and Food Chemistry. ISSN 0021-8561. 55:21, p. 8766–8771
Publisher
ACS