Pemanfaatan ekstrak etanol rimpang temu mangga (curcuma mangga Val.) dalam menurunkan kadar alkaline phosphatase (alp) serum darah tikus (rattus norvegicus l.) jantan galur sprague-dawley = Utilization of ethanol extract of mango ginger rhizome (curcuma mangga Val.) in decrease serum alkaline phosphatase (alp) levels in male sprague dawley rat (rattus norvegicus l.)