McLaughlin found that the acetogenin levels peaked in the twigs during the month of May. Interestingly enough, the acetogenins that are so powerful are not as plentiful in the fruit as in the twigs of the tree.
However, the double-ringed features of the powerful acetogenins in the Asimina triloba have not been found to date in those other fruits. In other parts of the world, researchers have been looking for acetogenins in other fruits of the same family. Over 400 of these compounds have been found in nature, many of them by researchers working with Dr. An acetogenin is a long-chained, fatty acid substance with some very unique properties.
He discovered the presence of a natural chemical in the tree called an acetogenin. As a Professor of Pharmacognosy at Purdue University, he spent over 20 years studying this fruit. The explorers Meriwether Lewis and William Clark were known to have survived on pawpaw for about a month during their famous exploratory trip.Īs a child, Jerry McLaughlin ate the fruit and felt that there must be something biologically active. It is normally ripe in the fall, usually in September.
The fruit is also highly nutritious-very rich in proteins, good fats, and complex carbohydrates. However, those who are fortunate enough to find a ripe fruit on a tree and eat it fresh are usually rewarded with a very pleasant tasting experience. One reason that it is not available too often in retail settings is that it spoils quickly after it is harvested. It is often compared to a combination of some sort of banana, coconut, mango, and possibly others. The fruit itself is about the size of a large human fist-usually 3-6 inches long- and is considered by many to be very tasty. Some are about the size of large shrubs, although many grow as high as 25 feet, and sometimes a little more. The trees themselves are not large as far as trees go. McLaughlin on the difference between graviola and pawpaw.) Unfortunately, however, some opportunistic companies will market graviola as an equal. The pawpaw is a cousin to the fruit known as graviola, but research has proven that although graviola has some similar natural chemical compounds, it is not as desirable or as powerful as Asimina triloba for medical use. Jerry McLaughlin in his research, and it is only this species that contains the special annonaceous acetogenins that have been shown to so powerful in fighting insects, cancer cells, parasites, lice, and other attackers. There are about eight different species of pawpaw however it is the species Asimina triloba that was used by Dr. Pawpaw is of the scientific family Annonaceae, which includes several unusual tropical fruits.
Some have theorized that it receives its name due to its similar appearance to the papaya fruit however, the two fruits are totally unrelated. The pawpaw tree is indigenous to several areas of North America.
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