Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Encapsulation of Pine Agaric ( Tricholoma matsutake) Flavor with Alginates

알긴산을 이용한 송이 향의 캡슐화

  • You Byeong Jin (Dept. Food Science, Kangnung National Univ) ;
  • Lim Yeong seon (East Coastal Marine Bioresources Research Center, Kangnung National Univ)
  • 유병진 (강릉대학교 식품과학과) ;
  • 임영선 (강릉대학교 해양생물자원센터)
  • Published : 2002.05.01
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Abstract

Encapsulating 1-octen-3-ol with alginates solution, the effects of physical properties (viscosity, emulsion activity, emulsion stability) of alginates solutin on the retention of 1-octen-3-ol in capsules were investigated. Only alginates solutions haying less than 350 cP in viscosity were capable to be adopted to spray dry. Adding citric acid to alginates solution in order to reduce its viscosity, the concentration of citric acid became higher, the viscosity of alginates solution were lower. Adding $0.1\% of citric acid could reduce viscosity of alginates solution to 150 cP. The viscosity of alginates solution after emulsifying showed higher value than that of solution before emulsifying, but its viscosity were within the possible ranges for spray drying. The lower viscosity of alginates solution were, EAI became higher but ESI and amount of remaining 1-octen-3-ol in capsules were lower, In reducing the viscosity of alginates solutions, heating time after adding citric acid were longer, the their viscosity became lower. Differences of viscosity of alginates solution after and before emulsifying were little, In encapsulating raw pine agaric with alginates solution, the adding amount of soybean oil increased, the amounts of remaining 1-octen-3-ol in capsules increased. After freeze drying the amount of remaining 1-octen-3-ol in alginates capsules prepared with raw pine agaric was higher than that after cold air flow drying.

국내산 송이의 특징인 송이 향을 효과적으로 보존할 수 있는 방법을 개발하기 위하여 알긴산으로 송이 향의 주된 성분인 1-oc-ten-3-ol을 캡슐화 공정과 송이 향의 잔존량에 영향을 미치는 요인을 조사한 결과는 다음과 같다. 분무건조를 위한 alginates의 점도는 350cp 이하가 되어야 하므로, alginates 용액의 점도를 낮추기 위하여 첨가한 citric acid 량이 증가할수록 점도는 낮아졌으며, 또한 $0.1\%의 농도에서 150cp 이하의 점도를 나타내었다. 1-octen-3-ol과 유화제를 첨가하여 에멀젼시킨 alginates 용액의 점도는 에멀젼시키기 전의 점도보다 높았지만 150cp 이하를 나타내 분무 건조 공정에는 영향이 없었다. alginates 용액의 점도가 낮을수록 용액의 EAI는 증가하였으나 ESI는 감소하였고 캡슐의 1-octen-3-of의 잔존량이 감소하였다. alginates 용액의 점도를 낮추는 공정에서 citric acid 첨가 후 가열시간이 길어질수록 점도는 급격히 감소하였고 에멀전 전후의 점도는 큰 차이 없었다 생송이를 알긴 산용액으로 캡슐화할 때 첨가되는 대두유의 량이 많을수록 1-oc-ten-3-ol의 잔존량이 많았다. 생송이를 alginates용액으로 캡슐화한 후 진공동결건조한 캡슐이 풍건한 것보다 1-octen-3-ol의 잔존량이 많았다.

Keywords

References

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