燕窩(Edible bird’s nest /cubilose)是燕子口水的分泌物。1240Please respect copyright.PENANAu8kMgVvjWv1240Please respect copyright.PENANANCGuT9Uozi
1240Please respect copyright.PENANAOSJIelHNfB
燕窩乾塊約有50-62%的成份是蛋白質,用上2小時燉煮方式的話,約有5%的蛋白質會進入液體部份。1240Please respect copyright.PENANAoPkIIW0Qg6
1240Please respect copyright.PENANAHqjvgvVwub
(圖2)白燕與血燕的顏色分別,相信是基建於Nitrite含量的不同(Ref2)。1240Please respect copyright.PENANAc5ySep0xOs1240Please respect copyright.PENANAhgEmDggsef
1240Please respect copyright.PENANACkJI3BwBu0
血燕Nitrite含量較高,因而呈現紅色。隨著Nitrite含量越低,便會相繼呈現黃色或白色。1240Please respect copyright.PENANAcgn3gj0RW2
1240Please respect copyright.PENANAEaQ44bg5IA
燕窩中能找出一隻酶素Nitrate Reductase,能夠將Nitrate轉變成為Nitrite。1240Please respect copyright.PENANAokdjhQXkFD
同時間,燕窩中亦存有能夠抑制那隻Nitrate Reductase的物質(Ref1)。1240Please respect copyright.PENANAPayGavi8RE
1240Please respect copyright.PENANAsAxBZlSyS8
(圖3)燕窩中蛋白質含量最高的是一種與人類Muc-5AC蛋白質非常相似的蛋白質。1240Please respect copyright.PENANAyEoX5ZSUwH1240Please respect copyright.PENANA2XksCQ9udJ
血燕及白燕中同樣能找到,但實際功用及功效暫時尚未清楚。1240Please respect copyright.PENANA9mHgjXIS24
1240Please respect copyright.PENANAmtR5o5Od4N
1240Please respect copyright.PENANAogPPRxLYKm
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。1240Please respect copyright.PENANAl12zWfM4nN
1240Please respect copyright.PENANAoFko8OwHKh
https://www.instagram.com/potatopigtongue/1240Please respect copyright.PENANAfSC6GzZPhr
1240Please respect copyright.PENANAfCwjmXAWoL
1240Please respect copyright.PENANAQmSGlHik1M
Ref1:https://academic.oup.com/fqs/article/1/1/83/47917231240Please respect copyright.PENANA2ACRacjMQ7
Ref2:https://www.sciencedirect.com/science/article/pii/S0956713513002934?casa_token=ZEAqbH90e0MAAAAA:FJo2m6F0yfjJbCcffoR0kO5FhFVtqFVdmD31Som_eNmP9moUJlX33WGNX1uaUP2mm51uaIvlSEAF1240Please respect copyright.PENANAuM40Og4bl9
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科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #110
深入淺出–血燕及白燕的分別
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