Soursop



Soursop is a fruit tree that grows in plenty in Philippines and can also be found in native tropica America. Soursop is also known as Guanabanos (Spanish), Guyabano (Filipino) and Annona muricata L (scientific name). Soursop can be eaten when it is ripe or blend into juice (mix with banana, orange and pineapple), shake or even ice-cream. The fruit also can be made into jelly, salad, sherbers, gelatin sidhes, intoxicating drinks or tarts.
 

Soursop Characteristics

The tree grows can reach the height up to 7 meters. Its leaves are in obling-ovate shape, around 15cm long, smooth and shining. Soursop tree grows big yellowish or greenish-yellow solitary flowers all year long. Its fruit is ovoid, thick, weigh 5 pounds, about 18cm long and covered with scattered, soft, spine-like processes dark green in color. The flesh is white in color, resembles cotton soaked and in high aromatic liquid. Meanwhile the pulp contains many shiny brown seeds. Soursop has an acid flavor with alkaline reaction when digested. It has a pleasant refreshing odor. Soursop grows well in tropical area but bear poor quality fruits as many of the tree are attack by fungus Colletotrichum gloeosporiodes Penz. Soursop fruit
 

Soursop Natural Nutrient, Vitamin and Health Benefits:

It is rich in calcium, iron, good source of vitamin B and C with average fair quantities of phosphorus. Soursop is also considered aphrodisiac and diuretic which has been used to treat hemprrhoid, urethritis, leprosy, liver ailments, obesity, heart and kidney ailment. Soursop is rich in potassium, riboflavin and niacin. A decoction of young shoots and leaves can cure gall bladder infection, dysentery, cough, diarrhoea and indigestion. The mashed leaves are used as a poultice to ease rheumatism eczema. Boiled water infusions of leaves have anti-spasmodic, astringent, gastric properties to cure gastric upsets and treat diabetes. Soursop flowers and petals are used for healing eye inflammations.

There are 7 new annonaceous acetogenins were isolated from the seed of Soursop. They are muricin H, muricin I, cis-annomontacin, annonacin, annonacinone, annomontacin, murisolin and sylomaticin. Thees acetogenins showed significantly selective in vitro cytotoxicity against human hepatoma cell lines Hep G (2), Hep 2,2,15. Some soursop root acetogenins are known to have cytotoxic effects: panatellin, uvariamicin IV, uvariamicin I, reticulatacin, reticulatacin 10-one and solamin.

Some studies shown that soursop seeds are toxic alkaloid.
 

Reference:

  • Handbook on trees By Alberto, Et Al
  • Some Fruits of Hawaii: Their Composition, Nutritive Value and Use in Tested Recipes by Carey D. Miller, Katherine Bazore, Ruth C. Robbins
  • Underexploited Tropical Plants with Promising Economic Value by National Research Council
  • The encyclopedia of fruit & nuts by Jules Janick, Robert E. Paull
  • Rawsome!: Maximizing Health, Energy, and Culinary Delight with the Raw Foods Diet by Mars, Brigitte
  • Fruits for the Future 5: Annona species by A. C. de Q. Pinto, M. C. R. Cordeiro, S. R. M. de Andrade, F. R. Ferreira, H. A. de C. Filgueiras, R. E. Alves, D. I. Kinpara

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