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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국식품영양과학회 Preventive Nutrition and Food Science Preventive Nutrition and Food Science Vol.18 No.1
- 발행연도
- 2013.3
- 수록면
- 50 - 59 (10page)
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Black jujube was made by aging dried jujube and its physiochemical characteristics, antioxidant activities and α-glucosidase inhibitory activities were evaluated. The moisture and sugar contents were increased depending on the period of aging times and the pH was reduced thereby increasing acidity. The color of black jujube extract was changed from red to black resulting in decreases of Hunter color values L, a and b. As the aging progressed, sucrose was decomposed by increasing glucose and fructose, indicating higher contents of the total reducing sugars. Among the six different types of organic acids extracted from dried jujube, the levels of oxalic acid and citric acid were increased as the aging progressed. The total polyphenol contents in ethanol and water extracts of dried jujube were 7.74 and 8.12 ㎎/g, respectively. The water extract of black jujube aged for 48 hr contained the highest polyphenol contents at 16.82 ㎎/g. The 5’-hydroxymethylfurfural (5’-HMF) contents of black jujube extract significantly increased by longer aging times, and contained higher contents in the ethanol extract than water extract. The ethanol extract of black jujube showed the highest 5’-HMF content with 338.89 mg% after aging for 3 days. Also, IC?? values of black jujube aged for 72 hr evaluated by DPPH and ABTS radical assays were 0.54 and 0.59 ㎎/mL, respectively. α-Glucosidase inhibitory activities of black jujube at the concentration of 3.33 ㎎/mL (ethanol extract) increased from 65 to 80 % after aging for 72 hr.
목차
ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
REFERENCES
참고문헌 (47)
참고문헌 신청
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3. [학술지(정기간행물)] - Ziiaev R / 1997 / Alkaloids of Ziziphus jujuba structure of yuziphine and yuzirine / Khim Prir Soedin 2 : 239 ~ 243
4. [학술지(정기간행물)] - Bae KH / 1996 / Isolation and quantitative analysis of betulinic acid and alphitolic acid from Zizyphi fructus / Yakhak Hoeji 40 : 558 ~ 562
5. [학술지(정기간행물)] - Tomoda M / 1973 / Water soluble carbohydrates of Zizyphi fructus. II. Isolation of two polysaccharide sand structure of an arabinan / Chem Pharm Bull 21 : 707 ~ 711
6. [학술지(정기간행물)] - Zhang Y / 2009 / Simultaneous HPLC determination of cAMP and cGMP in commercial jujube juice concentrate / Food Sci 30 : 321 ~ 322
3. [학술지(정기간행물)] - Ziiaev R / 1997 / Alkaloids of Ziziphus jujuba structure of yuziphine and yuzirine / Khim Prir Soedin 2 : 239 ~ 243
4. [학술지(정기간행물)] - Bae KH / 1996 / Isolation and quantitative analysis of betulinic acid and alphitolic acid from Zizyphi fructus / Yakhak Hoeji 40 : 558 ~ 562
5. [학술지(정기간행물)] - Tomoda M / 1973 / Water soluble carbohydrates of Zizyphi fructus. II. Isolation of two polysaccharide sand structure of an arabinan / Chem Pharm Bull 21 : 707 ~ 711
6. [학술지(정기간행물)] - Zhang Y / 2009 / Simultaneous HPLC determination of cAMP and cGMP in commercial jujube juice concentrate / Food Sci 30 : 321 ~ 322
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