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43 results on '"Pujiasmanto, B."'

8. Vegetation Analysis and the Role of Growing Media on the Growth and Yield of Physalis angulata L. in Domestication.

Author

Pujiasmanto, B., Setyaningrum, D., Budiastuti, M. T. S., and Supriyono

Subjects
*PHYSALIS, *CULTIVATED plants, *BERMUDA grass, *JUDGMENT sampling, *STATISTICAL sampling, *TEAK
Abstract

Background: Physalis angulata L. is a member of the Solanaceae family and is known in Indonesia as "ciplukan" which has the potential to be used as a medicinal ingredient because it acts as an immunomodulator and antioxidant. This study aims to analyse the vegetation in the ciplukan growth environment and the role of growing media in domestication efforts on the growth and yield of ciplukan. Methods: Vegetation analysis using the survey method at the survey locations was selected using a purposive random sampling method. Domestication used a completely randomized design with 1 factor, namely planting media with five levels, namely: Soil media, soil media + goat manure, soil + vermicompost media, soil + husk media, soil + charcoal husk media. Result: Based on the vegetation analysis, there are 12 grass vegetations with an important value index of 71.270% in Cynodon dactylon grass. Meanwhile, in the analysis of plant vegetation, there was 25 vegetation with the highest relative frequency in P. angulata, namely 14.286%. In the analysis of tree vegetation, there were 12 trees, with the highest density being teak, namely 42.553%. Ciplukan growing wild so far, can be domesticated as a cultivated plant. The results of domestication with the treatment of soil + vermicompost growing media can encourage the growth and yield of P. angulata plants. [ABSTRACT FROM AUTHOR]

Published
2023
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43. Effect of different solvents and extraction conditions on fiber contents of local corns silk powders

Author

Praseptiangga, D, Bintoro, V P, and Pujiasmanto, B

Abstract

The aim of this study was to optimize the different solvents and extraction conditions on fiber contents of local corn silk powders. Each sample of corn silk powder extract was analyzed by enzymatic method for fiber content including soluble fiber, insoluble fiber and total fiber. Design using Factorial Randomized Block Design (RBD) with 4 factors are local varieties of cornsilk (Bisma, Arjuna and Srikandi Putih), different solvents (water, methanol, ethanol and ethyl acetate), different concentration of solvents ( methanol (60%, 70% and 80%), ethanol (60%, 70% and 80%), ethyl acetate (60%, 70% and 80%) and water), and ratio of material and solvent (1:5 (w/v), 1:10 (w/v), 1:15 (w/v) and 1:20 (w/v)). Response Surface Methodology (RSM) technique for optimum condition determination was used. Results showed that the difference in experimental conditions affects the content of soluble fiber, insoluble fiber, and total fiber produced by optimization analysis using the DX11.0(r) Program with RSM-Central Composite Design (CCD). In conclusion, Bisma variety, solvent of methanol, concentration of 80% solvent and ratio of (1:20) was selected as the optimum condition of which resulted in soluble fiber content of 0.85%, insoluble fiber of 0.60% and total fiber of 1.45%.

Published
2019

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