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pp.58-65
천마음료를 제조시 첨가물로 천마 추출액을 달리하여 제조한 pH, 당도, 색도, 총페놀 함량, DPPH radical 소거 활성능, 유리당, 유기산 및 유리아미노산 함량, 무기질 함량, 관능 검사를 분석하여 품질 특성을 검토하였다. 천마음료 제조 시 GCE 5(Brix 천마 농축 추출액), GCE 10(Brix 천마 농축 추출액), GCE 15(Brix 천마 농축 추출액), GCE 20(Brix 천마 농축 추출액)으로 나누어서 제조하였다. pH는
We investigated the effect of Chun ma (Gastrodiae rhizoma) concentrated extract on the quality of mixed beverages. Chun ma beverages prepared using different concentrated extracts were divided into four groups: GCE 5 ( Brix concentrated extracts) GCE 10 ( Brix concentrated extracts) GCE 15 ( Brix concentrated extracts) and GCE 20 ( Brix concentrated extracts). The pH values ranged from a low of 4.37 in GCE 5 to a high of 4.68 in GCE 20. Soluble solid levels in GCE 20 ( Brix) were higher than in the other samples. The b (yellowness) scores and the total phenolic contents of all samples increased with increasing extract concentration. The highest total phenolic contents were seen in GCE 20 samples at 232.23 mg%. Samples did not differ markedly in antiradical activity (75.07-76.00% DPPH inhibition). Free sugar levels in GCE 20 samples and organic acid concentrations of GCE 15 samples were higher than those of other preparations. Free amino acid and mineral contents of all samples increased with increasing extract concentration. The levels of free amino acids were in the order Glu > Gly > Ser > Arg > Hylys, and the Glu content was 249.15 ug/100 g for GCE-20 samples and 61 ug/100 g in GCE-5 products. The mineral contents of all samples were in the order K > Na > Mg > Ca. Higher scores for color, flavor, and overall acceptability were found in GCE 5 products compared with other extracts. These results indicate that Chun ma beverage can be prepared in various ways, as commercially desired, with reference to the above characteristics of Chun ma materials.
