KHO ST NH HNG CA SNG SIU M N HIU SUT TRCH LY DU

GC BNG DUNG MI Trn Th M Trinh

Khoa Cng Ngh Ha-Thc Phm, i Hc Lc Hng;

Gc (Momordica cochinchinensis Spreng) l loi qu rt b dng v gn gi vi ngi Vit

m it g h nhi u du v h m ng - caroten trong du gc o gp 1,8 n so vi du g n Thu, 15 n so vi rt Ly open trong du g o gp 68 n hu Do tnh u vit , h ng t i s d ng n-hex ne m dung m i tr h y du t m ng g sy h vi s h tr sng si u m t qu ho thy vi h th nguy n iu mm, t nguy n iu v dung m i 1 1 , thi gian siu m l 1 pht, nhit siu m l 400C, cng sut w , nhit tr h y 0 , thi gi n tr h y gi, s ho hiu sut 5 , h m ng carotene l 161.12 (mg/100g). i th nh phn tr n ho thy du g c nhi u tri n vng trong ng nh y h ng nh trong nh v th phm h nng

T kha: Momordica cochinchinensis Spreng, -caroten c, Ultrasound.

IMPACT SURVEY OF ULTRASOUND ON THE EFFICIENCY EXTRACTING OIL

FROM MEAT DRIED GAC BY SOLVENT

Abstract Cochinchin gourd (Gac fruit) is a very nutritious fruit, and it is familiar to the Vietnamese.

Especially, Gac fruit has many oil and high mounts of - caroten, up to 1.8 times more than cod liver oil, 15 times more than carrots. Lycopen in Gac oil contains up to 68 times the amount of lycopene found in tomatoes. Owing to these preeminent properties, we used n- hexane as an oil extraction solvent from meat dried Gac with the support of ultrasound. The results showed the material was 2mm size, rate material and solvent was 1:12, time is 1 minute ultrasound, ultrasound temperature is 400C, with capacity 400 (w),

extraction temperature 400C, extraction time was 4 hours, will the efficiency is 94.59%, is 161.12 carotene content (mg/100g). Oil Gac is a valuable product and its applications in medicine, functional foods are very promising.

Keywords: Gac oil, Momordica cochinchinensis Spreng, -caroten in Gac oil, Ultrasound.

M U

-

[3] ng oxy ha, b nh kh mt, qung g dng bi ln cc v

v t lot, v t bng lm cho chng lnh ln da [ ]

-

[ ] Theo Jian Bing v

c ng s (2006), s u su t trch ly bng sng siu m l do hi ng si b t t o

nn l c c x truy n khi ca ch t chi t. Ngoi ra, s v b o nn

s khu y tr n m nh gip cho s khu ch tn ch t chi t t bn trong t bo ca mng g c thot ra

bn ngoi d gip gi m th i gian trch ly.

ca sng siu m

NGU N IU PH NG PH P NGHIN U ca cng ty CP Nng Nghi P m b o tnh nh v nguyn li - x , thi t b b siu m KQ

500DB. x ng sng siu m th

K th a cc k t qu c c v i cc thng s c

10g , nhi trch ly 400C, nguyn liu: dung mi: 1:12. Mng g c nghi n x l bng sng siu m v i th i gian l t l 1, 2 v 3 pht, -hexane, nhi siu m l 400C, cng su t siu m l

400W th i gian siu m th i gian siu m l 2 pht, cng su t siu m l 400W siu m 30

0C, 40

0C, 50

0C, 60

0C, 70

0C

th i gian siu m siu m cng su t siu m l t l 300W, 350W, 400W, 450W, 500W tm ra cng su t siu m trch ly 1gi , 2 gi , 3 gi , 4 gi , 5 gi v 6 gi tm ra th i gian

trch ly cho hi u su t d u cao nh t. - x - - 2010) -caroten,

lycopen theo DSM Nutritional Products, TCVN 5284:1990 AOAC 982.06- 2000.

QU H NGHIM ng 1 Th nh phn h h m ng g

S

Lycopen 39 mg/100g

-carotene 3521 mg/Kg

-tocopherol 61,9 mg/Kg

Lipid 16,1 %

Protein 18 %

93 %

Carbohydrate 54,1 %

Hnh 1. ng ca nhi n hi u su t trch ly ng carotene

Khi x l siu m th hi u su t thu hi ch t chi i 500C th hi u su t thu hi ch t chi t s cao siu m ln 60oC v 700C th hi u su t thu hi ch t chi t m t thng k. K t qu u ca Hua-Feng

Zhang v c ng s (2009), khi trch ly Epimedin C t E i s h tr ca siu m. Theo cc tc gi x l siu m t 15 ln 450C th hi u su t trch ly Epimedi u su t c i t i 450C. N u su t

s -value < 0,05) c gi

t th t truy n kh ha tan ca Epimedin nh t ca dung mi gi m. Khi nhi c t o ra t siu m b gi m nn hi u su t trch ly c nhi u a, vi s

ng cho qu trnh x ng th i gy th t thot cc c u t mn c m v i nhi t trong dch trch.

Theo Lawrence Ordin (1960) khi nhi ng ca cc phn t

dung mi th m th u nhanh vo bn trong t t n n m t th i m nh nh lm cho thnh t bo v ra t t bn trong thnh t bo ra ngoi dung mi d n hi u su

0C.

Hnh 2 ng ca th n hi u su t trch ly ng carotene

Y u t th ng l n hi u su t thu hi ch t chi t. Theo hnh trn th th y rng th i gian 2 pht l c n thi cho qu trnh x l. Khi ko di th i gian x l t 3

n 5 pht th ng carotene x ng gi m nh, hi u su t ch t chi -value < 0,05). C th gi i thch l do siu m c kh t ph v thnh t bo v m th c v truy n khi, nn th i gian x l mng

g c rt. Th i gian x l siu m ko di s ng cc hp ch t cao phn t c gi i phng ra t gy tc cc knh dn dch chi t trong khi nguyn li nhn lm hi u su t thu hi ch t chi t gi m nh i gian x l t n 5 pht.Theo k t

qu nghin c u ca Sandra C v c ng s 3 i gian trch ly Ca, K, Mg t qu ng in vitro bng siu m t 10 pht ln 30 pht th hi u qu gi Y W 9 y hi u su t trch ly xylan t

ng s b gi i gian siu m.

Hnh 3. ng ca cng su n hi u su ng carotene

Hi u su t thu hi ch t chi t siu m. Tuy nhin, khi kh o st v ng carotene, th k t qu t gi tr cao nh t t i cng su t 400 (w).

Theo Jian Bing v c ng s (2006), s u su t trch ly bng sng siu m l do hi n ng si b t t o nn l c c x truy n khi ca ch t chi t. Ngoi ra, s v b o nn s khu y tr n m nh gip cho s khu ch tn ch t chi t t bn trong t bo

ca mng g c thot ra bn ngoi d t siu m, th hi u su t thu hi d u g tch th ng carotene gi u ny c th c gi ng ch t

chi t trong mu l c gi i h ng s ph hy v ct nh thnh t bo nguyn li u t o ra nhi u m nh v n nh v c ng bt l cc mao qu n trong khi nguyn li u v c n tr qu trnh trch ly.

Hnh 4 Th i gian trch ly ng t i hi u su t d u g c ng carotene

n 5 gi

9 79% v 95.1 c th x c th -value < 0,05). V i th ng carotene c xu th gi m d n

B ng 3.1. So snh s li u gi a sng siu m v khng s d ng sng siu m

i u X s si u x s si u m

4 6

% 94.59 91.55

mg/100g 161.12 152.8

D u g c c d ng lng, mu sm, v i

m t mi thm d chu v kh c tr ng. Sau khi trch ly, d u ny c ch a trong chai thy tinh, mu nu, trnh nh sng.

ng t qu ph n t h ht ng dinh dng trong 1 g du th

i u P u

Caroten mg/Kg TCVN 5284:1990 16122

mg KOH/g TCVN 6127:2010 4,47

P x meq/Kg TCVN 6121:2010 0,92

g/100g TCVN 6122:2010 66,37

% TCVN 6120:2007 9,47

ng t qu ph n t h h ti u vi sinh v t du g th

i u P u

TCVN 4884 - 2005

ISO 4833 : 2003

Coliforms TCVN 6848 - 2007

ISO 4832: 2007

TCVN 8275 -1: 2010 Iso 21527-1: 2008

U N 2, th i gian siu m l 1 pht, nhi siu m

l 400C, cng su 0

9 9 ng carotene l 161.12 (mg/100g). tro

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