Papaya Leaf May Make The New Antibiotic

The following study looks at the extract of papaya leaf and its antibacterial effect in the lab on gram-negative and gram-positive bacteria:

1.B.Subtilitis
2.B.megaterium
3.B.cerus
4.B.haemolytic streptococcus
5.Candida albicans

The extract is found to have broad-spectrum antibacterial activity and also used as analgesics and narcotics for pain relief. A report indicate that plant extracts are more active against Gram-positive bacteria than Gram-negative bacteria while that of the leaf extract of C. papaya was next to the most sensitivity with the Gram-negative bacteria especially Proteus mirabilis (Jigna and Sumitra, 2006). The activity of the extract is comparable to those of antibiotics. The demonstration of activity against the test bacteria provides scientific bases for the local usage of the plant in the treatment of various ailments. The fact that the extract is active against Gram-positive bacteria and Fungi tested may indicate a broad spectrum of activity. This observation is very significant because of the possibility of developing therapeutic substances that will be active against multidrug-resistant organisms.”

PHYTOCHEMICAL AND PHARMACOLOGICAL INVESTIGATION OF CARICA PAPAYA LEAF
By MAHMUDA BEGUM

DEPARTMENT OF PHARMACY EASTWEST UNIVERSITY AFTABNAGAR, DHAKA

http://dspace.ewubd.edu/bitstream/handle/123456789/685/Mahmauda_Begum.pdf?sequence=1

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