Research Article

Antioxidant and Antimicrobial Properties of Cactus Pear (Opuntia) Seed Oils

Table 1

Diameters of growth inhibition zones (mm) in the presence of oil extracted from cactus pear seeds and conventional antimicrobial.

Microbial culturesExtractAntimicrobial agent
GCPSRCPSSAMPSXT

Saccharomyces cerevisiae (CECT1942)NDNDND
Escherichia coli O58:H21 (ATCC 10536)
Escherichia coli O157:H7 (CCUG 44857)NDNDND25.3 ± 1.0
Staphylococcus aureus (ATCC 13565)
Listeria monocytogenes (CCUG15526)
Pseudomonas aeruginosa (ATCC15442)
Salmonella typhi (CCUG29478)NDND
Candida albicans (ATCC 10231)NDNDND

zone diameters for oil and reference antibiotics are means ± SE of three replicas. GCPS: green cactus pear seed oil extract, RCPS: red cactus pear seed oil extract, S: streptomycin (10 µg/disc), AMP: ampicillin (10 µg/disc), and SXT: sulfamethoxazole/trimethoprim (10 µg/disc). : not detected activity. letters in the same row indicate significant differences.