Journal of Korea Technical Association of The Pulp and Paper Industry (펄프종이기술)

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Effect of Grape-Bagging Paper Properties on Saccharinity of Grape

포도 당도에 영향하는 포도 재배용 봉지의 특성 효과

  • 이장호 (충북대학교 산림과학부) ;
  • 박종문 (충북대학교 산림과학부) ;
  • 이진호 (충북대학교 산림과학부) ;
  • 유병철 (충북대학교 산림과학부)
  • Published : 2001.09.01
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Abstract

The aim of using grape-bagging paper is preventing damages by light and harmful insects during grape growth. The number of using grape-bagging paper has been increasing because advantages of using it have been confirmed. A technology to produce it has not been fully developed yet. In this study properties of the grape-bagging paper were analyzed. Results showed that air-permeability and transmitted light of grape-bagging paper were important. It was tried to see the influence of paper structure on air-permeability, transmitted light and the grapes saccharinity. For making different structure of grape-bagging paper, papers were produced with different freeness levels at several pressure conditions. Coloration time of Campbell grape with new bagging paper started about 5 days earlier than that with usual bagging paper, It was also possible to improve the saccharinity about 0.1-N0.8 Brix. Because new bagging paper has a low apparent density, it affected the saccharinity and coloration time of grape.

Keywords

References

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