THE LIME FLUID (Citrus aurantifolia) ABILITY of REDUCTION AGAINST HEAVY METALS in MUSSEL (Meretrix meretrix) KEPAH

Abstract

The purpose of this research is to lower the levels of heavy metals found in
the mussel kepah by soaking with lime fluid which is containing citric acid. The
method of this research was by using the experimental method. The design of this
research was the Complete Random Design (RAL) of a factorial pattern by
treatments of concentrations of 0% (C0), 15% (C15), 25% (C25), 35% (C35) and
treatments of 20 minutes (M20), 30-minute (M30) and 40 minutes (M40) long
soaking with three times repetitions. The results showed that the highest intensity
of reduction of heavy metals of Pb, Zn and Cd are presented in lime
concentrations of 35% for 40 minutes long of soaking, produce results 53,53%,
58.75% and 83,43% of reductions. A solution of lime was able to reduce heavy
metals Pb, Zn and Cd but does not affect the value of the texture of the flesh of
mussel kepah. Soaking with lime fluid in a concentration of 0% for 20 minutes is
the best treatment based on organoleptik parameter, which the value of the view in
(8.63) has a characteristic of bright, clear, very clean of flesh of mussel kepah
which flavor and aroma is typical as clam kepah. The value of the texture in
(8.31) has a characteristics of very gentle and not harsh of flesh of mussel kepah.
The value of aroma in (8.68) has a characteristics of clear, bright, very interesting
and very clean of flesh of mussel kepah, and the value of flavor in (6.09) has a
characteristic of typical flavor of mussel mixed with other flavors.
Key words: ability of reduction, heavy metal, mussel kepah, concentration,
soaking