燕窩(Edible bird’s nest /cubilose)是燕子口水的分泌物。974Please respect copyright.PENANAW8z4lFaf3O
974Please respect copyright.PENANAOJ6tfE9dUe
974Please respect copyright.PENANAMSGwXgQ90t
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。974Please respect copyright.PENANAq1Yr08zfAn
974Please respect copyright.PENANAFOd4rtvpuA
(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)。974Please respect copyright.PENANAN3nioFvXqs
974Please respect copyright.PENANAZGFoPdgtEL
974Please respect copyright.PENANA8rI3pMyLG7
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。974Please respect copyright.PENANARU1TtcE01A
974Please respect copyright.PENANAJvwMBZWRac
燕窩中能找出一隻酶素Nitrate Reductase,能夠將Nitrate轉變成為Nitrite。974Please respect copyright.PENANA8LJh8HrK3z
同時間,燕窩中亦存有能夠抑制那隻Nitrate Reductase的物質(Ref1)。974Please respect copyright.PENANAdXqLoLdkLh
974Please respect copyright.PENANAZ8110g9zZl
(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。974Please respect copyright.PENANAbqCIvjV2xq
974Please respect copyright.PENANAvN7lo29BKG
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。974Please respect copyright.PENANAOWCxEMjWLP
974Please respect copyright.PENANARb3D5ipDPd
974Please respect copyright.PENANA64ZZl2hQ1O
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。974Please respect copyright.PENANA2mMttLvaG7
974Please respect copyright.PENANANX9Z0un2a1
https://www.instagram.com/potatopigtongue/974Please respect copyright.PENANAQST3hlCP5d
974Please respect copyright.PENANA2mM8ykOU0V
974Please respect copyright.PENANAIsYnm6XNC6
Ref1:https://academic.oup.com/fqs/article/1/1/83/4791723974Please respect copyright.PENANAMSxjAmGRiS
Ref2:https://www.sciencedirect.com/science/article/pii/S0956713513002934?casa_token=ZEAqbH90e0MAAAAA:FJo2m6F0yfjJbCcffoR0kO5FhFVtqFVdmD31Som_eNmP9moUJlX33WGNX1uaUP2mm51uaIvlSEAF974Please respect copyright.PENANAlHPK5M3ppn
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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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