燕窩(Edible bird’s nest /cubilose)是燕子口水的分泌物。943Please respect copyright.PENANA4NpvW5e63b
943Please respect copyright.PENANA85UCtdLdn0
943Please respect copyright.PENANAajAtxanymM
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。943Please respect copyright.PENANACahJ8A4mFd
943Please respect copyright.PENANAiBmLLnhstb
(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)。943Please respect copyright.PENANAxG9hypdnGR
943Please respect copyright.PENANAU5DZ2sXC7F
943Please respect copyright.PENANA3HDE6ch9sn
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。943Please respect copyright.PENANALCXK98Xm6P
943Please respect copyright.PENANAzmTUG2PVqo
燕窩中能找出一隻酶素Nitrate Reductase,能夠將Nitrate轉變成為Nitrite。943Please respect copyright.PENANAnHjeDWILwc
同時間,燕窩中亦存有能夠抑制那隻Nitrate Reductase的物質(Ref1)。943Please respect copyright.PENANARKhTIIATMO
943Please respect copyright.PENANAmSIoNqC4FQ
(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。943Please respect copyright.PENANA2MFvCJdLmW
943Please respect copyright.PENANAPy6RH9yRUZ
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。943Please respect copyright.PENANAIsRZZCnZjW
943Please respect copyright.PENANANFYl9dLacX
943Please respect copyright.PENANArJchFJ0ddb
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。943Please respect copyright.PENANA8ivVPLJ3tN
943Please respect copyright.PENANAMiXELDOEju
https://www.instagram.com/potatopigtongue/943Please respect copyright.PENANA9g4V7AXH5Y
943Please respect copyright.PENANApIu3aeCN3C
943Please respect copyright.PENANAPsHp9EqVYb
Ref1:https://academic.oup.com/fqs/article/1/1/83/4791723943Please respect copyright.PENANABCgqJv1LYX
Ref2:https://www.sciencedirect.com/science/article/pii/S0956713513002934?casa_token=ZEAqbH90e0MAAAAA:FJo2m6F0yfjJbCcffoR0kO5FhFVtqFVdmD31Som_eNmP9moUJlX33WGNX1uaUP2mm51uaIvlSEAF943Please respect copyright.PENANAfG5YsuLzbY
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科普專欄–薯不揀單
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #110
深入淺出–血燕及白燕的分別
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