陌生词 Flashcards
Mercury
汞
Polychlorinated biphenyls (PCBs)
seafood污染
Dioxins and furans
二恶英和呋喃
Toxaphene
农药] 毒杀芬；八氯莰烯（用作杀虫
albacore tuna长鳍金枪鱼
“Light” tuna has less mercury than “white” albacore tuna
escolar油鱼
thiaminase硫胺素酶
Raw fish has thiaminase; destroys
thiamin
abalone鲍鱼
Univalves (abalone)
u Single shell
Bivalves双壳
oysters, clams, mussels, scallops
Cephalopods=octopus, squid
Internal shell called cuttlebone墨鱼骨
Crustaceans甲壳类=shellfish
Prawn对虾
Prawn are larger in size
Surimi生鱼片
sucrose蔗糖=Cryoprotectants防冻剂
sorbitol山梨醇
Cryoprotectants added like sucrose and sorbitol to protect myofibrillar proteins
that are labile to denaturation on freezing
Vibrio vulnificus创伤弧菌
Illness can come from consumption of raw
u Bacteria or viral contamination
trimethylamine三甲胺= volatile substance
Spoiled fish have bacteria decompose fish tissue and produce a volatile substance
called trimethylamine can give an indication of freshness of fish
gemplyotoxin=indigestible oil of wax esters
Non-toxic but has a laxative effect泻药
Crustaceans turn pink when
cooked= crustacyanin甲壳蓝蛋白 +Astaxanthin 虾青素
Astaxanthin is red/orange when
free but is bluish/green when
hidden/bound，
Protein crustacyanin changes the
colour of astaxanthin by twisting or
binding the molecule and changing
how it reflects light
When heat is applied the protein chains denature and release the
astaxanthin
Umami 鲜味
– (MSG, 5’-ribonucleotides, Yeast extracts) enhance sweet and
salty and reducing bitter and sour
Kokumi – ‘mouthfulness’
aged, richness, ex. Slowly simmered soup,
(allium and glutathione are responsible for taste response)
