Dwi Putro Utomo Usman J2B007015. The Effect of Altitude Difference
L.) at Area of Wonogiri. Under guidance of Erma Prihastanti and Khairul Anam.
Betelvine (Piper betle L) is medicine plant of Indonesia which wellknown
have some potential organic compounds. Piper betle L have specific habitat in an
optimum place for growth and metabolite synthesis. Altitude will impact on
microclimate, soil nutrient and soil condition. Environmental factors will affect
piperine content of Piper betle L from Wonogiri. The Research was conducted in
Wonogiri regency for specimen collected with six altitude range, 0-150 masl
350 masl (District Batuwarno and Baturetno), 400 - 500 masl (District
Slogohimo), 510 - 550 masl (District Jatiroto), dan 560 - 650 masl (District