OPTIMIZATION OF COLOUR REDUCTION FOR PRODUCING STEVIOSIDE SYRUP USING ANT COLONY ALGORITHM OF LOGISTIC FUNCTION

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OPTIMIZATION OF COLOUR REDUCTION FOR PRODUCING STEVIOSIDE SYRUP USING ANT COLONY ALGORITHM OF LOGISTIC FUNCTION Powered By Docstoc
					 proceeding of The Fifth International Symposium on Computational Science,ISSN:2252-7761,Vol1, pp91-101,
                                                   GMU.


OPTIMIZATION OF COLOUR REDUCTION FOR PRODUCING STEVIOSIDE SYRUP
        USING ANT COLONY ALGORITHM OF LOGISTIC FUNCTION

                                   H.A Parhusip1, and Yohanes Martono2
          1Center   of Applied Science and Mathematics, University of Satya Wacana Christian
                             Jl.Diponegoro 52-60, Salatiga-Central Java 50711
                     2Department of Chemistry, University of Satya Wacana Christian

                             Jl.Diponegoro 52-60, Salatiga-Central Java 50711
                                  email: hannaariniparhusip@yahoo.co.id


Abstract. Optimization of colour reduction for producing stevioside syrup is presented here. Some observations
have been produced and used here to be analyzed by using logistic model to pose the optimization. The
parameters in the logistic function are determined by least square which are found the same values for all sets of
the observed data. There are 7 types of absorbances denoted by B, K, A, S, BK, BKA, and BKAS. The first four
refer to Bentonite, Caoline, Active carbon and Silica gel respectively. The last three notations refer to the
mixtures of B and K, B,K and A, and all types. Ant colony algorithm is the used optimization method to get the
minimum colour reduction with a maximum steviode content. It is found that type A (active carbon) is the best
absorbance to use for producing optimal stevioside content with minimum colour reduction.

Keywords: stevioside, logistic, least square, ant colony algorithm

				
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