Cov roj tseem ceeb ntawm cov zaub mov qib ntuj tsim cov ntawv sau ntiag tug roj anise hnub qub

Cov Khoom
Cov khoom no yog cov kua tsis muaj xim lossis daj daj; qhov tsw zoo ib yam li lub hnub qub anise. Nws feem ntau dhau los ua turbid lossis crystallizes thaum txias, thiab rov qab los ua kom pom tseeb tom qab cua sov. Cov khoom no yooj yim yaj hauv 90% ethanol. Qhov ceev ntawm qhov sib piv yuav tsum yog 0.975-0.988 ntawm 25 ° C. Lub ntsiab lus khov yuav tsum tsis txhob qis dua 15 ° C. Kev tig ntawm qhov muag Coj cov khoom no thiab ntsuas nws raws li txoj cai (Ntxiv Ⅶ E), kev tig ntawm qhov muag yog -2 ° ~ + 1 °. Lub refractive index yuav tsum yog 1.553-1.560.

Cov khoom xyaw tseem ceeb
Anethole, safrole, eucalyptol, anisaldehyde, anisone, benzoic acid, palmitic acid, pinene alcohol, farnesol, pinene, phellandrene, limonene, caryophyllene, bisabolene, farnesene, thiab lwm yam.

Cov lus qhia rau daim ntawv thov
Nws yog feem ntau siv los cais tawm anethole, los ua ke anisaldehyde, anise cawv, anisic acid thiab nws cov esters; nws kuj tseem siv los sib tov cawv, luam yeeb thiab cov khoom noj tau.
Cov koob tshuaj pom zoo: Qhov concentration hauv cov khoom noj khoom haus kawg yog li 1 ~ 230mg / kg.

Kev tswj hwm kev nyab xeeb
Tus lej FEMA ntawm cov roj anise hnub qub yog 2096, CoE238, thiab nws tau pom zoo ua cov khoom noj tsw qab uas tso cai los ntawm Tuam Tshoj GB2760-2011; cov txiv hmab txiv ntoo ntawm cov anise hnub qub yog cov txuj lom seasoning uas siv ntau, thiab nws tus lej FEMA yog 2095, FDA182.10, CoE238.

Cov khoom siv lub cev thiab tshuaj lom neeg
Cov roj anise yog cov kua tsis muaj xim mus rau daj ntseg nrog qhov ceev ntawm 0.979 ~ 0.987 thiab qhov ntsuas refractive ntawm 1.552 ~ 1.556. Cov roj anise feem ntau ua turbid lossis ua rau cov siv lead ua thaum txias, thiab ua kom pom tseeb tom qab cua sov. Nws yooj yim yaj hauv 90% ethanol. Nws muaj ntxhiab tsw ntawm fennel, licorice thiab anethole thiab saj qab zib.