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Stevia Extract

Stevia Extract

[Lub npe ntawm lub npe] Stevia Extract [Lub npe Latin] Stevia rebaudiana (Bertoni) Hemsl [cov khoom xyaw] stevioside, A, D, C, E, dulcoside, A [cog qoob loo] Stevia [solubility] stevioside yog nyob hauv dej thiab ethanol [ zoo] dawb hmoov [khoom specification] stevioside 90% -99% [txoj kev ntawm ...

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[Lus English npe] Stevia Extract

[Latin lub npe] Stevia rebaudiana (Bertoni) Hemsl

[cov khoom xyaw] stevioside, A, D, C, E, dulcoside, A

[cog keeb kwm] Stevia

[solubility] stevioside yog nyob hauv dej thiab ethanol

[khoom duab] dawb hmoov

[khoom specification] stevioside 90% -99%

[txoj kev nrhiav tau] UV

[khoom ua tau zoo] stevia qab zib tsis tsuas yog tsis muaj kev phom sij rau tib neeg lub cev, ntawm qhov tsis sib xws, nws kuj muaj antihypertensive, muaj zog lub cev, kev kho zis thiab lwm yam tshuaj ntsuab

[raw khoom ua chaw] tau pib hauv 27 lub xeev ntawm Shandong, Anhui, Hebei, Shaanxi, Jiangsu, Fujian, Hunan, Yunnan thiab hais txog

[cov khoom tseem ceeb]

Cov khoom qab zib nyob rau hauv stevioside rau glycosides. Glycoside (glycoside los yog heteroside) kuj hu ua anthocyanins lossis mixed glucoside qab zib, yog qab zib los yog qab zib derivatives thiab lwm yam tsis sib xyaw kom haum, lub tebchaw tsim los ntawm cov pa roj carbon monoxide uas txuas nrog condensation ntawm qab zib.

Qhov ob feem ntawm glycoside hydrolysis los ua cov qab zib thiab tsis qab qab zib, tsis qab qab hu ua glycoside los yog aglycone ligands (agly-cone, Genin), cais los ntawm 8 yam khoom qab zib ntawm Stevia nplooj extract: stevioside (stevioside); hlebauk Di glucoside (renaudiside) A, B, CD, E; Dulko glucoside (ABC), lub 8, yog tsim los ntawm diterpene glycoside ligands ntawm tib yam, teej tug mus rau tetracyclic diterpene compounds, lawv txuas nrog lub qabzib ntawm txoj haujlwm C-4 ntawm alpha carboxyl, ua raws li C-13 nrog ob lub piam thaj los yog peb lub qab zib. Uas yog kev sib txuas nrog sophorose stevioside hauv C-13 (Stevioside Stv) thiab C-13 ntawm Huai qab zib molecules thiab txawm tias ib qho khoom noj qab haus huv ntawm lub cev (RebaudiosideA RebA) yog qhov tseem ceeb ntawm Stevia ua rau lub siab 6 hom : stevioside rebaudioside A, hlebauk; D, C, E; Toure Glucoside. Lawv muaj cov glycosides, thiab muaj cov laus hauv kev ua pa (steviolide). Qhov txawv ntawm lawv yog tias hom, ntau npaum li cas thiab cov kab txawv ntawm cov ciam teb uas khi yog txawv.


[Stevia kev taw qhia]

Stevioside (Stevia), los yog Stevia qab zib, tsis muaj qab zib thiab cua sov. Nws cov xim yog dawb mus yellowish, nws saj yog haum, thiab nws muaj tsis muaj peculiar tsis hnov ​​tsw. Nws yog ib qho tshiab qab zib nrog rau lub neej yav tom ntej. Stevioside yog ib lub khoom qab zib pom nyob rau hauv lub ntiaj teb thiab pom zoo los ntawm Ministry of Health ntawm Tuam Tshoj. Qhov nws tsis tshua muaj calorific tus nqi yog nyob ze ntawm qhov uas ntawm sucrose. Nws yog lub ntuj tsim ntawm peb hom kev loj hlob thiab kev noj qab haus huv qhuas, uas yog lub npe hu ua "lub ntiaj teb thib peb qab zib los ntawm lub ntiaj teb" "Stevioside yog ib tug tshiab sweetener ntawm cov tshuaj Stevia extract Asteraceae. , thiab nws cov tsos yog 200-300 npaug ntawm qhov ntawm sucrose, thiab calorific nqi yog tsuas yog 1/300 ntawm sucrose.

[stevioside thaj chaw]

1, qhov purity ntawm stevioside yog ntau tshaj li 80% ntawm cov hluav taws xob dawb los yog hmoov, kev ya raws tsis zoo.

2, stevioside soluble hauv dej, ethanol, thiab sucrose, fructose, qabzib, maltose thiab lwm yam sib xyaw siv, tsis tsuas stevioside tsw yog ntshiab ntau dua, thiab qhov tsos mob yuav ua tau cov nyhuv. Cov suab thaj tsis tshua muaj hluav taws kub thiab tsis yooj yim rau raug lub teeb. Nws yog qhov ruaj khov thiab yooj yim rau kev cia rau hauv cov chav ntawm cov pH 3 ~ 10.

3, stevioside tov stability yog zoo, nyob rau hauv cov khoom noj khoom haus ntau pH, kho cua sov yog tseem nyob ruaj khov. Stevia qab zib nyob rau hauv cov organic acid uas muaj sucrose rau ib nrab xyoo tau hloov me ntsis; nyob rau hauv acid thiab alkali medium tsis decompose, yuav tiv thaiv tau fermentation, discoloration thiab nag lossis daus;

4, stevioside qab zib ntshiab, txias thiab ntev, saj zoo li dawb piam thaj, tsos yog 150 ~ 300 zaug npaum li sucrose. Qhov tsos ntawm cov kua qaub (extracted pure di) Cov piam thaj yog 450 tawm lub sij hawm siab tshaj qhov ntawm sucrose, thiab saj tau zoo dua. Lub cev kub hnyiab ntawm stevioside yog zoo txog kev tsos thiab saj. Feem ntau, qis kub yoojyim qis heev; tom qab kub kub dissolution, saj yog zoo, tab sis lub tsos yog tsawg. Nrog citric acid, malic acid, tartaric acid, lactic acid thiab amino acid, Du yog siv, ib qho kev siv tshuaj tua kab mob hauv stevioside tom qab saj, nws tuaj yeem ua lub luag hauj lwm nyob hauv kev siv cov tshuaj sib xyaw nrog cov tshuaj no,


Lo lus tseem ceeb Avg. Cov Tshawb Nrhiav Txhua Hli (pes match xwb) Kev sib tw Pom zoo li cas
stevia extract 1000 - 10 txhiab 0.94 8.21
stevia hmoov 1000 - 10 txhiab 1 4.03
stevia nplooj ntoos extract 1000 - 10 txhiab 0.49 9.56
ntshiab stevia extract 100-1000 1 6.13
stevia extract hmoov 100-1000 1 8.35
stevia nplooj ntoos hmoov 100-1000 1 3.33
organic stevia extract 100-1000 1 7.51
organic stevia nplooj ntoos extract 100-1000 1 6.13
natural stevia extract 10 - 100 1 3.13
stevia tag nrho nplooj ntoos extract 100-1000 0.98 5.6
stevia nroj tsuag Extract 100-1000 0.86 20.78
stevia rebaudiana extract 10 - 100 0.73 5.59
stevia huv huv extract hmoov 10 - 100 1 6.95
tag nrho nplooj ntoos stevia hmoov 10 - 100 1 5
sweetleaf stevia extract 10 - 100 1 9.24
stevia rebaudiana nplooj ntoos extract 100-1000 0.55
stevioside 1000 - 10 txhiab 0.23 4.11
organic stevia nplooj ntoos hmoov 10 - 100 1 6.75
stevioside hmoov 10 - 100 1 0.41
ntuj stevia hmoov 10 - 100 1 8.66
qhov twg yuav stevia extract 10 - 100 1 4.05
stevia rebaudiana tag nrho nplooj ntoos extract 100-1000 1 5.91
organic stevia extract hmoov 10 - 100 1 10.3
zoo dua stevia extract hmoov 10 - 100 1 5.02
qhov twg yuav yuav ntshiab stevia Extract 10 - 100 1 6.93
zoo tshaj stevia extract 10 - 100 0.99 5.95
qhov twg kuv yuav yuav stevia extract 10 - 100 1 5.09
sweetleaf stevia extract hmoov 10 - 100 0.93 2.94
stevioside extraction 10 - 100 0.39 9
stevia rebaudiana hmoov 10 - 100 0.93 2.69
stevia stevioside 10 - 100 0.61 2.29
cov neeg muag khoom stevioside 10 - 100 0.5
stevioside thiab rebaudioside 10 - 100 0.24 1.37
organic stevioside 10 - 100

steviosin 10 - 100 0
yuav stevioside 10 - 100 1 10.82


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