Browsing Chemistry by Author "Purwantiningsih"
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Efisiensi Ekstraksi Senyawa Isoflavon Dari Akar Kedelai (Glycine max (L.) Merr.)
Rinawati | Darusman, Latifah Kosim | Purwantiningsih (2010)Soybean roots extract which have been analyzed by thin layer and high performance liquid chromatography (TLC and HPLC) showed the various isoflavonoid compounds. The ethanol extraction combined with heating process give ... -
Isolasi Kitin Dan Senyawaan Kimia Dari Limbah Udang Windu (Penaeus monoclon)
Purwantiningsih (2010)The isolation of chitin and analysis of chemical compounds from prawn (Penaelrs tnottodon) head and shell waste was done according to the Hong K. No method (1989). The result of proximate analysis indicate 90,38% protein. ... -
Penapisan Senyawa Anti Rayap dari Getah Shodea Javanlca Dan Shorea Leprosula
Tuti Setiawati S. | Purwantiningsih | Husaeni, E.A. (2001)The research was on active compounding of resin of Shorea posessing antiterrnite.The screening used petroleum eter, chloroform and HCI:H~O:CZHSO(H2: 5:8)m ixture as a solvent. Crude extract produced was tested its active ...