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Effect of Heat Treatment on the Lipophillic Pigments of Fresh Green Tea Liquor

첫 페이지 보기
  • 발행기관
    한국식품과학회 바로가기
  • 간행물
    Food Science and Biotechnology SCIE KCI 등재 SCOPUS 바로가기
  • 통권
    Volume 18 Number 3 (2009.06)바로가기
  • 페이지
    pp.682-688
  • 저자
    Jian-Liang Lu, Zhan-Bo Dong, Chen Lin, Xin-Qiang Zheng, Yue-Rong Liang, Shun-Shun Pan, Borthakur Devajit
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A108244

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원문정보

초록

영어
Changes in lipophillic pigments concentration and its relation to color of fresh green tea liquor during heattreatment were studied. The results showed liquor greenness decreased markedly with extension of incubation time at 55oC,while the brightness and yellowness changed a little. Significant increase in ‘a’ and ‘b’ values of tea liquor was observed at95oC. Color change of liquor at 55oC was accompanied by a decrease in the level of chlorophylls, lutein and neoxanthin, andan increase in the pheophytins and β-carotene levels. However, all pigments except β-carotene decreased with time extensionat 95oC. Significant correlation was found between pigments and color difference index. The browning of fresh green tealiquor was attributed to vicissitudes of lipophillic pigments during heat treatment, especially to the change of chlorophylls/pheophytins ratio. Result also showed addition of Zn2+ at 1.6µmol/L could partially alleviate the decrease in greenness duringheat treatment.

목차

Abstract
 Introduction
 Materials and Methods
 Results and Discussion
 References

키워드

fresh green tea liquor heat treatment lipophillic pigment color difference metal ion addition

저자

  • Jian-Liang Lu [ Zhejiang University Tea Research Institute, 268# Kaixuan Road, Hangzhou 310029, PR China ] Corresponding author
  • Zhan-Bo Dong [ Zhejiang University Tea Research Institute, 268# Kaixuan Road, Hangzhou 310029, PR China ]
  • Shun-Shun Pan [ Zhejiang University Tea Research Institute, 268# Kaixuan Road, Hangzhou 310029, PR China; Tea Research Institute, Guangdong Academy of Agricultural Science, Guangzhou 510640, PR China ]
  • Chen Lin [ Zhejiang University Tea Research Institute, 268# Kaixuan Road, Hangzhou 310029, PR China ]
  • Xin-Qiang Zheng [ Zhejiang University Tea Research Institute, 268# Kaixuan Road, Hangzhou 310029, PR China ]
  • Borthakur Devajit [ Zhejiang University Tea Research Institute, 268# Kaixuan Road, Hangzhou 310029, PR China; Tea Research Association, Jorhat, Assam 785008, India ]
  • Yue-Rong Liang [ Zhejiang University Tea Research Institute, 268# Kaixuan Road, Hangzhou 310029, PR China ]

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    한국식품과학회 [Korean Society of Food Science and Technology]
  • 설립연도
    1970
  • 분야
    농수해양>식품과학
  • 소개
    본회는 사회일반의이익에 공여하기 위하여 공공법인의 운영에 관한 법률의 규정에 따라 식품 과학 전반에 관한 이론 및 기술연구와 그 응용을 촉진 및 보급시키며 학술과 사업을 연계시키고, 나아가 국민의 식생활을 질적, 양적으로 향상시킴을 목적으로 한다.

간행물

  • 간행물명
    Food Science and Biotechnology
  • 간기
    격월간
  • pISSN
    1226-7708
  • 수록기간
    1992~2009
  • 십진분류
    KDC 574 DDC 664

이 권호 내 다른 논문 / Food Science and Biotechnology Volume 18 Number 3

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