Thursday 19 December 2013

Sugar Apple: Good juicy, sweet flesh and seeds are natural pesticides



Tamil:  Seethaphalam
English : Custard Apple
botanical name :  'ANNONA SQUAMOSA'.

Unrelated to the ubiquitous apple, the sugar is a tree native to the tropics of South America and is now grown in many regions around the world, from China to Africa. The sugar apple, also known  intensely in India, where horticulturalists have identified ten different cultivated varieties.

The sugar apple grows in tropical and subtropical areas, but it flourishes in a variety of soil types, and is moderately resistant to drought. This flexibility has allowed it to grow on five continents.
The principle use of sugar apples is raw consumption  of the fruit, which are segmented, knobby clusters of juicy, sweet flesh.  In Malaysia, the fruits are frequently squeezed through a sieve and the juice is added to ice cream or milk for a sweet treat. High in calories and iron, this fruit is good for providing extra nourishment for people in the tropics and subtropics.
When eating a sugar apple, one must mind the seeds, which are abundant, hard, and toxic if ingested. This toxicity , however, has shown promise as a natural pesticide. Oil extracted from the seeds has been shown in studies  to be as effective as conventional pesticides at eliminating pests from crops such as tomatoes, melons, and soybeans in greenhouse conditions. Furthermore, subsequent testing showed that the compounds break down quickly, are no longer toxic after two days, and are completely inactive after eight days. The same potency allows seed powder to be used as a lice treatment.
Ironically, the sugar apple has proven vulnerable to a variety of pests and blights, which has discouraged its cultivation in the Caribbean and South America. Indian growers have developed several techniques to counter these pests, which may help reignite the sugar apple’s popularity in the Americas. In Florida, for example, tropical fruit crop specialist JH Crane  rated the commercial expansion potential  for sugar apples and related hybrids as “good” and “excellent,” respectively.
As sugar apple cultivation expands, the trees could be grown alongside other crops, providing natural pesticides and enriching local diets with more variety. Sugar apples may prove to be more than just a casual tropical snack.

 

Custard apple benefits:


1.The seeds of the fruit have insecticidal and abortifacient properties.
2. Custard apple serves as an expectorant, stimulant, coolant and haematinic and is even useful in treating anemia.
3. Vitamin A present in the fruit is good for hair, eyes and healthy skin.
4. The fruit, in its unripe form, can be dried, crushed and used for treating diarrhea and dysentery.
5. The paste of the flesh of the fruit can be used for local application on ulcers, abscesses and boils.
   ( Skin infections such as abcessess or ulcers can be treated with custard apple. Simply grind the  flesh into a thick paste and apply it to the affected area.)
6. As it contains low fat levels, it is good for maintaining optimum health.
7. It is a rich source of dietary fiber, which helps in digestion.
8. Copper is yet another useful ingredient of custard apple.
 (copper which helps the body to form hemoglobin. This is especially useful for pregnant women as they need about 1000 micrograms of copper daily. Eating custard apples during pregnancy is therefore beneficial for the mother and child.) 
9. Potassium and Vitamin B6 are also present in custard apple.
10. Custard apple contains magnesium, which plays vital role in relaxing muscles and protecting heart against diseases.
11. Custard apple is a storehouse of Vitamin C, which is an anti oxidant and helps in neutralizing free radicals.

Custard apple recipes

Here is one of the many easy custard apple recipes.
Custard Apple cream
2 deseeded custard apples, pureed with a bit of lemon
500 g soft light cream cheese
3 tablespoons gelatin
1/3 cup boiling water
½ cup caster sugar
190 ml cream
Dissolve the gelatin into the 1/3 cup of boiling water. Beat the softened cream thoroughly and then Pour into mould/glasses and set for about 8 hours. 

Do you know of other local plants that can be used to provide natural protection from pests? Tell us in the comments!