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Dry kaffir lime leaves in the microwave ?

Updated: Jun 16

A Thai team studied (2022) drying of kaffir lime leaves in a rotary microwave assisted dryer. It is the type of dryer where high power microwaves (2000 W) assist the drying which lasts 2 hours with an orientation at 60°.


The aim of the study is the production of large quantities of dried leaves with minimal degradation in quality. Yet even with this method there is a real lose in quality.


Compared to oranges, lemons and limes, kaffir lime has the highest content of antioxidants (flavonoids and phenolic compounds)


https://www.ajol.info/index.php/ajb/article/view/77908


The antioxidant potential of dry leaves with this method is 4.6 mg/mL


https://link.springer.com/article/10.1007/s13399-022-02722-8


and we know that that of the fresh leaf is of the order of magnitude of 22 mg/ml (5 times more)


http://scienceasia.org/2010.36.n2/scias36_112.pdf


There is no problem storing dried leaves nor phytosanitary barriers to enter the North American or European markets. However, I ask you : with such a dramatic lose in taste and health benefits, do dry leaves have anything to do with the fresh leaves ?


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