• Title/Summary/Keyword: water evaluation

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General Components and Sensory Evaluation of Hot Water Extract from Liriopis Tuber (맥문동 열수 추출물의 일반성분과 관능평가)

  • 김순동;구연수;이인자;김일두;윤광섭
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.30 no.1
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    • pp.20-24
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    • 2001

  • This study was conducted to analyze the general components and to investigate sensory evaluation of hot water extract prepared by boiling at 10$0^{\circ}C$ for 3 hr with 4-fold water. The contents of total soluble soild, non-reducing sugar, total saponin, ash and total protein were 15.95%, 6.54%, 1.735, 0.33% and 0.40%, respectively. The contents of succinic, malic and acetic acid in the extracts were 111.48 mg%, 23.67mg% and 18.36mg%, respectively. The major free amino acids and minerlas of the extract were hydroxyproline 1,290.0 $\mu\textrm{g}$%, glutamic acid 456.2$\mu\textrm{g}$% and potassium 151.35 mg%, respectively. Bitter taste in the extract was not observed, whereas sweet, sour and astringent taste were observed.

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A study on the composition validity of performance indicators for public sewage treatment plant by using factor analysis (요인분석기법을 활용한 공공하수처리시설 성과평가 지표의 구성 타당성 연구)

  • Yoon, Cheon-Yeo;Koo, Ja-Yong
    • Journal of Korean Society of Water and Wastewater
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    • v.29 no.5
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    • pp.583-590
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    • 2015

  • Evaluation and comparison for the performance on the contracting-out became possible after the introduction of the performance indicators(PIs) in 2012 in Korea, And local governments and private companies are utilizing them as evaluation data to enhance the performance of the contracting-out. Several revisions on performance indicator were carried out by expert group on contents validity of PIs, But the review of the composition validity of PIs was not sufficient. In this study, the applicability, distinction ability and composition validity of PIs is evaluated by statistical method. From the results, Improvement of indicator is required in order to increase the interrelationship among indicators to enhance the compostion validity of indicators related with operation, sludge and water reuse.

  • https://doi.org/10.11001/jksww.2015.29.5.583 인용 PDF KSCI