Macadamias

History

Macadamia is used by Native Australian for 5000 years. This nut was discovered by two botanists came to do research in North Eastern of Australia. John Macadam who described for the first time this nut gave his name to the fruit.

Macadamia is the only indigenous plant from Australia that is produced and exported in quantity.

 

Production

Estimated World Macadamias Production 2014/2015
Countries PRODUCTION perTONS 
South Africa                46 415
Australia              40 000  
Kenya              23 436
USA                18 900 
Guatemala                8 400 
Malawi                5 948  
Brazil                5 000  

China

Others

Colombia

New Zealand

Swaziland

               5 000

              4 000

                1 000

                  600

                  100

TOTAL              158 809

Source : XXXIII World Nut and Dried Fruit Congress Melbourne May 2014

Harvest

Macadamias need acid soil and soft winters.

The harvesting period is from April to September.

 

Countries of origin

Macadamia are cultivated in Australia, New Zealand, South Africa, Kenya and Guatemala.

Varieties

Only Macadamia integrifolia and Macadamia tetraphylla are exported around the world because the others species have toxin or are not edible. 

Grades

Style 0: diameter bigger than 19mm and 98% of whole nuts

Style 1: diameter between 17-19mm and 95% of whole nuts

Style S: diameter between 12-17mm and 90% of whole nuts

Style 2: diameter between 14-17mm and 50% of whole nuts

Style 3: diameter between 14-17mm and 15% of whole nuts

Style 4L: diameter between 12-14mm and 0-15% of whole nuts and rest by half nuts

Style 4M: diameter between 13-14mm and 80% of half nuts

Style 4: diameter between 11-13mm and 80% of half nuts

Style 5: diameter 8-11mm

Style 6: diameter 6-8mm