免费文献传递   相关文献

Isothermal adsorption, desorptionand thermodynamic properties of Scutellaria baicalensis pieces

黄芩饮片等温吸附与解吸曲线及热力学性质研究



全 文 :2016
y

z ©
41
ª©

}
Vol41,No.5 March,2016
ÛÜÝބßàáªâàãäËå柘™
g‰*
1,
Ž
1,
e‘
1,
#`’
1,

1,2,
”•–
1,2,

1,
˜R0
1,2
(1.
5åçXZ?¨

5å ¥
330004;
2
çZ!×äí䫬@`›£qrç=

5å ¥
330006)

op
] 
¯Ô‡¿âÛÜÝގàáªâà¡Â

£¤åæ£4ÈÀ

Éʸ?³ ¶

áÎÛÜÝÞo
25,35,45
℃,
*‡°±¯
010~085
IJLŽ„ßàáâà=‰



/ïÊà͚ر̼n~ñ!±šØ¼n÷ø

œ
ÛÜÝގåæŸ

’yóC
,Peleg
šØ«ôÁÛÜÝÞàáâà¡ÂŽÇI=šØ

!,šØ•ÓŽÏá
ÎÛÜÝގ¢±5w,* ªY±5w,* ò¯
922%,1351%;
ÛÜÝގ]„ àáåªâàáå

ò‡Ø
ª,* ZŸ./-í(,* Žwùùw:

o±ÛÜÝÞ$ZO

î#$£,*}¯
120%
“R¯$ZŽ’
q

ÛÜÝގàáªâàÒÓí,Ùڊ

ÛÜÝގ*‡àáªâàÒÓí¯ãmÒÓ

@Ò±ÛÜÝބß
àáªâà‚–ŽÌù

î2½¼±$,ÝÞàáâà‚–Ž˜™

±$,ÝÞoÜMæ™IJ‘$Zùg„•”Ñ
6%AŽ¦vÉÊ


qrs
] 
ÛÜ

ÝÞ

àáªâà႖

åæŸ

tu)(
] 20151020

vwxT
] 
@`‹Œü¨g*xy
(81260644);
5åçXZ?¨’tþÿ
(2013ZR0076)

yzA{
] 
˜R0

—°

ÆÇÈÉçZHíîqr
,Tel:(0791)87119619,Email:luoxj98@126com

A{„…
] 
g‰*

Ο

ÆÇÈÉçZ¨qr
,Tel:(0791)87119661,Email:zhenglongjina@126com
Isothermaladsorption,desorptionandthermodynamicpropertiesof
Scutelariabaicalensispieces
ZHENGLongjin1,HEYan1,ZHANGJunhong1,WANGWenkai1,LIXiang1,2,RAOXiaoyong1,2,
WANGFeng1,LUOXiaojian1,2
(1.JiangxiUniversityofTraditionalChineseMedicine,Nanchang330004,China;
2.NationalEngineeringResearchCenterforTraditionalChineseMedicineSolidPreparation
ManufacturingTechnology,Nanchang330006,China)
[Abstract] TostudythecharacteristicsofadsorptionanddesorptionofScutelariabaicalensispiecesOnthebasicthermodynamic
theory,thestaticmethodwasadoptedtoobtainSbaicalensispieces′isothermaladsorptionanddesorptiondataat25,35,45℃,with
thewateractivitybetween010and085Eightmoisturemodelswereselectedtofitthedataandthenevaluatedtodeterminethether
modynamicpropertiesofSbaicalensispiecesTheresultsshowthat,amongtheeightadsorptionmodels,Pelegfitthebest,inwhich
absolutelysafeandtherelativelysafemoisturecontentsofSbaicalensispieceswerearound922% and1351% respectively;thenet
equivalentheatadsorptionanddesorptionandthediferentialentropyofSbaicalensispieceswerecloselyrelatedtomoisturecontent,
anddecreasewithincreaseofwatercontent;whendryingthepieces,120% ofmoisturecontentcanbetakenasthedryingend;both
ofadsorptionanddesorptionprocessesweredrivenbyenthalpyandnonspontaneousThestudyonSbaicalensispieces′isothermalad
sorptionanddesorptionrulescanhelpadvancestudiesonadsorptionanddesorptionrulesofChineseherbalpieces,andplayagood
guidingroleinoptimizingstorageconditionsanddryingprocessofChineseherbalpieces
[Keyword] Scutelariabaicalensis;pieces;adsorptionanddesorption;thermodynamicproperty
doi:10.4268/cjcmm20160512
·038·
säф

ÛÜÝބßàáªâàãäËå柘™
  
$,o^Êý

Õ­ÏÒ]ô



tô„
ÒÓô$,ÝÞ

ÏÒ[\‘o3rIJL™æ

2GH$AœÊ,‘$,˜mª©ÖŽÕ­



±$,Ýގ˜™;­Ú$oÝގ_
‡

©Ög`

Ÿ àô•¶‘,W„•”

±O€
$,Ýޟ 

.C$,,W‘ÉÊfÈmu¿¬
­ÉÊ
[13]。
Ú«

o$,Ýީ֑{ïæ™$

*‡«%&$,Ýޟ Ž¬­®ì

,¤ÝÞ$
Z*‡àô]r

r™æIJ]ñÈ

àÍîé–$
,Ýޒ“

ŸÎ

“>

“‹

>v

O_



m
©

°I„“ŸŠC

Cà%&$,ŽŸ ‘‘W

,rÝގà͓Ÿ

]GòÎ>ŽÛ‘

ѱ
Ü)Ž©Öò[׎¬-

äù

9ý±$,Ý
ގàÍÂð£4×WoÏU¼

dï$,ÝÞ
àÍŽö‚˜™

(A‘*ю¼ç

ÛÜÝ
ÞoŠPú•$Ž²Êâ‡E>
[4],
-ÛÜÝÞo
,* ë°O

BW‡ÛÜÄ*â+vQÝޓ
²î2ɯ̡¢ŠC

Ý#Ìɯ$,Ýބß
àáªâàŽ-!Ìù±C

4^”‰å摊
æ/È

˜™ÛÜÝÞo]ß±LŽàáªâ
àán¯
,¯
Ü_ÛÜÝÞ$Z•¶ªg`¹=

ô
×ñȎ,* é1

z×BWŽ[\q‘•¶

M•ñȎ`ÕIJÑ6ÈÀ‘TUˆ‰

1 
q
ÛÜ
ScutelariabaicalensisGeorgi
ËãoKÝÌ
°»pÝÞBCDE

ÏoK$A,wÞ:©c
ôÒיñ

$%,Ò
》2010
yæ­$

1XTº

23ð:ã¿_BCDE
)。
‹*)_ß

°
Š4w÷_Ë|j
),
“»à

Kv_gŠûBC
DE
),
B*ñ)_U

E5+I&(ŠûBCD
E
),
á»à

Kv_gŠûBCDE
),
â_>

¼
HTUË|BCDE
),
ã_à

E5+I&(Šû
BCDE
),
)_>

Kv_gŠûBCDE
),
)_
à

¼HTUË|BCDE
),
2¼í¯‡§Æ

DZF6050
ØX!$ZZ

¼HÚ¶A‘uÛô
òBCDE
);YW250GSP
‹ß‹Í¬–Z

23$
MËU‚uBCDE
);
þس Ÿ

T9ÛfEä
åj
);
$Zu

@…%äBCDE
);BAS224S
ØU
<‡§°Ñ

æ¥:@BCDE
);CFZ3BD
þßØ
úÍf

oŒº©!Œ›õBCDE
)。
2 
•¶
21 
àͪâà=‰ŽÉÚ
 
#ÔMŽw:

Á
Åí׎ÛÜÝÞÑç

C¤wÌ$ZZ$
5d(
ß
±
60℃,
X!±¯
-009MPa),
áÎ$Zˋ¬
ŽÔ¢$(

:Ê]þ‘dÍ+o‹×ß±L
î ø‹×Ž]Y±Í±

Éʸ?³ ¶±Û
ÜÝÞo

ñß±
(25,35,45℃)
‘

ñþ‘dÍ
+
(LiCl,KAc,MgCl2·6H2O,K2CO3,NaBr,KI,
NaCl,KCl)
L¼nàÍц,*}Ž(×

±*‡
°±
Aww¤075ŽÍ+,ùo$Zu$ C[ñ
\B1XTºŽ:èqÇ

2é[ò©.Ž©ý“
”

³-(
60g
¤0‹¬Ž³ Ÿ$

!ʇ
§°Ñ–ùÝޟ –¯
m1,‡#³ ŸŸ±éÛ
C¤Ã14B
100mL
]Òþ‘dÍ+Ž$Zu
$

#$ZuC¤ß±àôo
25,35,45℃
Ž‹ß
‹ÍZ$
(±1℃),2d
ã.(×

ö(Ÿ 

6
ËýH

ö³¬YK]>Ò
±0002g,
ð¯êÎà
Íц

|ñËU¬ð

ö

’y-ÌÑí¹

#
àÍцHŽu¬wL(Qö ‚$ZuOŽu
¬ŽK¹–¯
m2,àÍц¼‡}(equilibrium
moisturecontent,EMC)
ŽŽÏD›
,EMC=
m2
m1
×
100%,
Ì$
m1¯‹ß$ZHÝÞ$£Ÿ ;m2¯Ý
Þà* 

âàËUÉÊàÍ(¼À¶

á#08°*
°±$êÎàÍцŽ(¼‚þ

ñ*°±qŽ
.ê$Zu8

³ •¶‘цŽz𕶪àÍ
ÒÓY
[5]。
,¤*‡°±ÔFóº¯oI[ß±LÍ+
$*½‡ÌªÆ*½‡Ì&§

®úцY±
ͱ
(equilibriumrelativehumility,ERH)
ª*‡°±
(wateractivity,Aw)ŽZŸ¯ Aw=ERH/100。]
ß±LŽþ‘dÍ+Ž*‡°±ÃÄ^•
[6]

ӎÏ

’yxó
1。
22 
àáªâàšØ
 
9ý0Bõ¥ŽÈÀ

Ï
U

fÏUà͚Ø:~ñW

ÜÄցц,*
}ª*‡°±Ëß±&ʎZŸ

4TUMÊ
GAB,BET,Halsey,Smith,Oswin,Henderson,
ÁsH
Ž
Halsey
‘
Peleg
n

ñïʎàáªâàšØ:
~ñàÍ=‰

xšØóê›xó
2。
2Âv²—ù
[1516]
LMÂ3ñ÷øÛÜÝ
ÞàáªâàŽšØ

[ì2
R2
ÙØÔ
1,RSS
÷
ØÔ

‘
AIC
÷:ŽšØð¯~ñ±÷°

23 
]„ àáå‘ò‡Ø
 
]„ àáåî2
·138·
2016
y

z ©
41
ª©

}
Vol41,No.5 March,2016
  ó1 ]þ‘dÍ+o]ß±LŽ*‡°±
Table1 Awwithdiferentsaturatedsaltsolutionsunderdiferent
temperatures
þ‘Í+
ß±
25℃ 35℃ 45℃
LiCl 0114 0108 0103
KAc 0204 0186 0171
MgCl2·6H2O 0329 0318 0308
K2CO3 0432 0436 0430
NaBr 0574 0547 0523
KI 0624 0608 0595
NaCl 0762 0743 0726
KCl 0855 0821 0791
ó
2 
ïÊàáªâàšØ
Table2 moisturesorptionanddesorptionmodels
šØ •Ó
GAB[7] Xe=
m0CkAw
(1-kAw)(1-kAw+kCAw)
BET[8] Xe=
m0CAw
(1-Aw)[1+(C-1)Aw]
Henderson[9] Xe= -
ln(1-Aw)[ ]A


Smith[10] Xe=A-B[ln(1-Aw)]
Oswin[11] Xe=A(
Aw
1-Aw
)B
Halsey[12] Xe=(
-A
lnAw



ModifiedHalsey[13] Xe=[
-exp(A+TC)
lnAw



Peleg[14] Xe=m1An1w +m2An2w
  

:Aw*‡°±;Xeц,*};m0#‡<ê,*};Tß
±
,℃;m1,m2,n1,n2,C,K,A,B¯xšØ¹=。
@҄ßàáãä=‰


ClausiusClapeyron
D
›:ŽÏ

]„ àáå
(Qst)î׿¯°ë´Â
Ÿ

oà*  ø‹×O
,Wang
‘
Brennan[17]

Cenkowski[18]
Û
ClausiusClapeyron
•Ó׿üL

dlnP
dT=
hfg
RT2
(1)
±¤Æ*

dlnP0
dT =
hfg
RT2
(2)
•Ó
(1)
wL•Ó
(2)。
dln(PP0

dT =
dln(Aw)
dT =
Qst
RT2
(3)
Ì$
,Qst=hfg-hfg。
#•Ó
(3)
ì‡

ln(Aw)=(
-Qst
R )

T+
Sd
R (4)
Ì$
,P
¯.Ÿ81+Y*½‡Ì
;P0¯Æ
*½‡Ì
;hfg¯Æ*봁_å;R¯Ûù
³Šï=
;T
¯¢±ß±
;Qst¯„ àáå;Sd¯
ò‡Ø

24 
Ø

ÙSÓÈÀ
 
Ø

ÙSÓÈÀîʤ÷ø
*‡àáÒÓ$Ž.È_ŠC

µÈÀÑÂ

±¤
¡×Ž,*}

]„ àáå
Qstªò‡ØSdæoä
ÂZŸ
[19]。
Qst=TβSd+ΔGβ (5)
›$
Tβ¯„žß±,¦àáÒÓ$øBβ2
YŽž±¼nOŽß±
,K;ΔGβ¯ TβOŽ§T@
ã,ç
,kJ·mol-1。
ûô]„ àáå
Qstªò‡ØSdŽZŸq,¹
=
Tβ‘ΔGβî@ÒäµsŽÏáÎ。Krug„
[20]
¥ì±„žß±
T⪌‘Ñíß±Thm¼n§ë。
Thm=



i=1
(1/T)
(6)
›$
n¯
„ßä=9

ªBo
Tβ≠ThmO#æ


ÙSÓÈÀ

å
Tβ>ThmùàáÒÓ,ÙÚ
Š

ù
Tβ<ThmùàáÒÓ,Øڊ。
25 
=‰úÈ
 
ÉÊ
Excel
qJûôÛÜÝބ
ßàáâàãä


SPSS190
qJ¼n^Ž
‡§

3 
’yª‡§
31 
„ßàáªâàãäŽûô
 
ÛÜÝގ„
ßàáªâàãäóŠ¯o„ßIJLŽ*°±ª
àáâàц¼‡}&ʎZŸ

2*°±
(Aw)
¯}í–
,25,35,45℃
Làáâàц,*}
(EMC)¯
!í–

ûôÛÜÝގàáªâà„ß
ãä

xq
1。
8ÛÜÝÞo
25,35,45℃
Žàáªâà„ß
äî2ÝÂ

*‡àáªâà¡Âº¤Ò؎ⅢØ
„ßä

-mB2LÖ¡¢

oÝÞàáªâà„
ßäŽÛ!ÃÄ

*‡°±ªÑ†,*}ºëþ

Ñ
†,*}o*‡°±ò
01~03
áïwù

ÃÄ
GAB
ÈÀ

n[ÃÄÝÞ±*‡<àá«#‡<ê
àá

ù-ÝÞàáŽ*‡<í¯Ýގ°Â£Ñ
ø€î
,¯
_’ñ*

ò©.‹¶:Ê
[21]。
®ú

·238·
säф

ÛÜÝބßàáªâàãäËå柘™
  
q
1 
ÛÜÝÞo
25,35,45℃
OŽàá
(A)
ªâà
(B)
„ßä
Fig1 Adsorption(A)anddesorption(B)isothermsofScutelariabaicalensisunder25,35,45℃
rÝގ,* „¤#‡<ê,* O
,¯
Ì!×
ŽÇw,* 

o*‡°±ò
03~05
Žn[Ã
Ä

*‡<ðàáo0ÏæoŽ©[ê*‡<¼

;
­ŸËŽ«*‡<Žé³Iæ

úÃÄm©Žàá
º¤.Èàá

r*‡°±w¤
05
O

ц,*
}(
AwŽwwùwùïž,ÝÞoàá¿¥‡<
ê*‡H

Õ`“¿

m©*½o6¿Ç$ŽãŠ
og

àáŽ*‡<¯ã,*

Q^w¥=_β
ž}

o[*‡°±L

ÛÜÝގàáªâà„
ßäíŠц,*}(ß±°°ù_þ

n/
ŠCî2ʇ<ŠæÈÀ:â¥

(ß±Ž°
°

ðàᎇ<úáŠç2Ë°ã,±

8ù½¼
*‡<8àá|ó”ðÂ

áß±÷°

*‡<÷
°ñ
)。
ø2ß±÷°

ðàáŽ*‡÷s
[22]。
[ß±L

ÛÜÝގàáªâà„ßä“
_±£4•

Ú«âàãäCàoàáãä¼
•

Šàá’HŠC

xq
2。
]ß±OŽàá
’HŠCíB[ñÖq

o„ßäŽQqĒH
¹:

$ÊĒH¹w

¥ÕöŽÕÖîݐ
«f`xÿŽ6¿Ç

oª½ØòO

üyµ½
o+?O羘ÍÕ/

ùoÕÖ$ogŽ+ö
#´”

,
Kelvin
Dݔj

Õ`ý:

”+
öþ‘½Ìýþ

  RTlnp

pr
=2σMcosθ
ρr
(7)
›$
,r
«6¿ÇÕ`
,θ«+öª6¿ÇÕ/
ŽØò°
,σ«ó”!æ,pr,p‡×«6¿ÇÕ8
+ö½‡Ìªþ‘½‡Ì
,R,T
‡×«öï
=‘¢±ß±
,M
ªρù«à᠑.±。
q
2 
ÛÜÝÞo
25℃(A),35℃(B),45℃(C)
OŽàáªâà„ßä
Fig2 AdsorptionanddesorptionisothermsofScutelariabaicalensisunder25℃(A),35℃(B),45℃(C)
  
o±¤àá’HŽœ˜™$
,Zsigmondy[23]
ð¯

àá’HŠC;­«,¤oâàªàáÒÓ
$±6¿Ç/ŽÍ˜rØò°ŽKÿ

oÕÖð+
öÔGŽÒÓ$

Yr¤+öoö󔥼

áÎ
ý¼ŽØò°θa,ùoÕÖ$Ž+öoumÒÓ$
áÎHÀŽØò°θR,θau«w¤ θR。îjâàO
pr:¤àáOŽ pr,ѯ«z,­êÎц,*
}

àáãFwùÍ!Ž½‡Ì

·338·
2016
y

z ©
41
ª©

}
Vol41,No.5 March,2016
32 
àáªâàšØŽ~ñË÷ø
 
”‰ÛÜÝ
Þц,*}ŽËU¹

ÉÊ
SPSS190
^ŽqJ
$ŽäµsÓÊ$â¼ÁšØ$Ž¹=


=¹‘÷ø¦–Ž’yxó
3。
ó
3 
x/šØ÷ø¹
Table3 Evaluationvaluesofalmodels
šØ ¹=
25℃ 35℃ 45℃
àá âà àá âà àá âà
GAB m0 16454 3806 111976 3367 149741 3045
c 0598 8267 0088 8326 0041 3396
k 0744 1146 0630 1182 0739 1215
R2 09987 09827 09986 09958 09942 09901
RSS 0630 1430 0527 0270 2219 0559
AIC 27658 81460 15161 -18560 115794 25104
BET m0 3660 5314 4009 5085 5206 5821
c 5690 4203 2969 3649 1078 1393
R2 09764 09766 09853 09863 09874 09854
RSS 9640 1936 4727 0888 4311 0827
AIC 198614 79637 148730 32873 142282 28603
Henderson A 0109 0049 0135 0045 0164 0109
B 0938 1220 0869 1241 0811 0968
R2 09884 09868 09940 09832 09389 09730
RSS 0078 0029 0046 0037 0569 0101
AIC -138573 -172428 -175538 -157810 00529 -97558
Smith A -1027 0689 -1312 0571 -2524 -0362
B 12275 11721 12098 10925 13470 10587
R2 09933 09681 09905 09790 09789 09696
RSS 2723 2634 3044 1360 7220 1723
AIC 110121 98110 117922 58449 178380 72644
Oswin A 6811 8664 6250 8025 5459 6776
B 0704 0698 0780 0726 0974 0919
R2 09908 09734 09907 09852 09876 09859
RSS 3755 2196 2982 0955 4254 0799
AIC 132616 87198 116482 37237 141350 26536
Halsey A 2080 2825 2234 2862 2350 2891
B 0762 0741 0756 0740 0752 0739
R2 08374 08281 09021 09247 09713 09828
RSS 66309 14197 31521 4866 9825 0973
AIC 333603 199182 281546 134936 199945 38358
ModifiedHalsey A 56449344 11083346 -44461247 -10330621 -24568660 28319518
B 0908 0905 0793 0904 0686 0677
C -2257926 -443271 1270348 295203 545985 -629302
R2 09692 09800 09739 09924 09704 09642
RSS 0208 0044 0201 0016 0276 0134
AIC -49915 -127414 -52312 -188110 -30115 -60595
Peleg m1 6318 276112920 4066 9433 33630 7545
m2 29755 14908 29633 67791 5755 50416
n1 0709 23936 0636 0672 3414 0807
n2 3442 0897 3031 5369 1270 4488
R2 09995 09998 09995 09966 09967 09917
RSS 0189 0020 0164 0219 1134 0470
AIC -36621 -154721 -46552 -11121 88803 34699
·438·
säф

ÛÜÝބßàáªâàãäËå柘™
  
~ñHmŠ

ÛÜÝÞo
25,35,45℃
OŽàá
âà=‰Ê
Peleg
‘
GAB
šØ~ñáΎ
R2

¤ÌؚØÙ°
,Henderson
ª
ModifiedHalsey
šØ
øáŽ
RSS
ª
AIC
Y±ÌؚØÙþ

Ú
Peleg
š
Ø~ñŽ
R2
Ç°

-
RSS
ª
AIC
ª¼Á

šØYK
:

Ýð¯
Peleg
šØ«ôÁÛÜÝÞàáâà¡
ŽÇI=šØ

#~ñ$øᎹ=P‚
Pe
leg
šØ$îá
,25℃
OŽàáâà„ßä•Ó‡
× ¯
Xe = 6318A
0709
w + 29755A
3442
w ,Xe =
27611292A23936w +14908A
0897
w ;35℃OŽàáâà
„ßä•Ó‡×¯
Xe=4066A
0636
w +29633A
3031
w ,
Xe=9433A
0672
w +67791A
5369
w ;45℃OŽàáâà
„ßä•Ó‡×¯
Xe=3363A
3414
w +5755A
127
w ,
Xe=7545A
0807
w +50416A
4488
w 。
¯U€šØŽ—zÂ

#ÛÜÝÞц,*}
ËU¹ª
Peleg
šØS(¹¼n§ë

xq
3。
q
3 
ÛÜÝÞàá
(A)
ªâà
(B)
ц,*}TU¹ª
Peleg
šØS(¹Ž§ë
Fig3 ComparisonbetweenexperimentalandcalculatedequilibriummoisturecontentvaluesbyPelegmodelforScutelariabaicalensis
inadsorption(A)anddesorption(B)
  
,ËU¹‘šØS(¹{Ž=‰q

‡To
y=x
ä¼rÌáÔ

óC
Peleg
šØŽ~ñWyë
A

oß±¯
25~45℃,Aw¯010~085çë—z
Fóê‘S(ÛÜÝގц,*}

33 
ÛÜÝÞ5w™Õ,* 
 
*‡«ò©.©
°ŠŽã­IJ

ùò©.Ž©ý“”-©¤*
‡°±

*‡°±Î¿¿6ò©.©ýøՎã,
*Ž½¾

«©×ò©.©ýøÕ­*ŽLC¹

w¥=¿Ào*‡°±:¤
09
O©ý“”ÍÎK
ô

w¥=’Ào*‡°±þ¤
08
O×[©ý

˜™óC

r*‡°±L_Î
07
O

’À©ý

©
W©ý

¿À©ý+ÍÎ&ÅKô

o*‡°±þ¤
065
O

ò©.Ž“”åwðKô

o*‡°±þ
¤
06
O

w1‡ò©.º]ç©æ
[24]。
®ú

#
ÛÜÝÞo*‡°±¯
06
Oø±²Ž*‡¯¢±
5w*‡

*‡°±¯
07
Oø±²Ž*‡¯Y±
5w*‡

”‰¼ÁøáŽàá„ßä•Ó

@ҎÏî
á

o
25,35,45℃
LÛÜÝގ¢±5w,* ‡
ׯ
953%,924%,889%,
Y±5w,* ‡×
¯
1362%,1329%,1361%。
34 
]„ àáå‘ò‡Ø
 Qstóº*½‡
<ªàá|&ʎ‡<ÊÉÊæ

οàáXq
±*‡Ž€îçæ
[25],
ù
Sdο¿à៪à
á|&ʎ°ÂXq

úÖ

]„ àá嫦

î
ɯ.qøàá*‡æo‹?Ž“צ–

Ñî
ʤz×5w`Õ,* 

àô`ÕMuIJ

„ âàáåîʤz×ArŽ$Z’q

o
,*}ëþO
,Qstw;,*}ë°O,Qst:。±
¤^׎(

z×ÇIàá„ßšØH

šØ
$ŽŸ=«z׎
,^
×ß±Ëц,*}

,
šØî2ϱ²Ž*‡°±

,D›
(4)
î
j

Š×
Qstªß±‹Z,o,*}‹×O,@Ò
lnAwª1/TŽäÂZŸ(×̸},,¤ -Qst/R
„¤¸}

Ýî$Â
Qst,¼[çî$á Sd。
#@ҎÏáΎ
Qstª Sd‡×ª,*}óã
ä

áΎ]„ àáåªâàáå

ò‡Ø(,
*}Ž“_ãäxq
4,5。
,q

î2ÝÂàáªâàO

(,*}Ž
ww
,Qstí´¦=´w。o,*}ëþO,*‡¯
#‡<êàá’ñ*

*‡;­«‡To.qÖó
”ª8󔼎#‡<ê*

#‡<ê*ªàáó
”ŽÉÊ&±§6¿Ç’ñ*Ž&±°

®ú
·538·
2016
y

z ©
41
ª©

}
Vol41,No.5 March,2016
   
q
4 
]„ àáåªâàáå,* Ž“_
Fig4 Netisostericheatofadsorptionanddesorptionheatat
diferentwatercontents
q
5 
ò‡Ø,* Ž“_
Fig5 Diferentialentropyatdiferentwatercontents
Qstw;(,*}Žwù,*‡,#‡<êàá*
“¯¥‡<êàá*

¼ê*‡<ªö.qŽ’
ñXqws

ªàáó”ŽÉʯ+wì
,Qstw:。
r,*}ÍÂwùO

nO*‡,àá’ñ*“¯
6¿Ç*
,QstÍÂw:
[26]。
,]„ âàáåãä
îj

þ,*}OŽ°
QstóC,$ZÒÓ$、H},
ÛÜÝÞ$*‡ªÌ͟{‡Bë&ŽYSÉÊ

$Zë¯î1

(,*}Žwù

*‡àáXq*
+L_

8ùvQ
Qst*+w:,$ZÒÓÑY±‘
t

ü$Z-}
)。
®ú

î#ÝÞ$£,*}¯
120%
ɯÛÜÝގ$Z’q

r$£,*}w
¤
130%
O
,Qst¤0,ÖSÑ6ësŽç ¯
î2^ÝÞ$Ž6¿Ç*è=

±§
2015
yæ,
Òø‚׎ÛÜ,ø,*‡]á>Ò
120%
î
j
,120%
n[­$ŽñȪ&Â

O

,]
„ âàáåãäîj±ÛÜÝގ$ZîÉʓ
ß$Z
,¯
ÝÞ$ZlĐ4

q

«ò‡Øª,*}ŽZŸ

’yª
QstY[
Q

r,* sO

*QžàáÎÇmB°ÂŽX
q

ùr°ÂXqðô‰

Û!Š¥‡<ê*‡à
á

°ÂXqws

*‡<ªàáŸ&ʎÉÊæw
ì

ò‡Ø(,* Žwùùws
[27]。
35 
Ø

ÙSÓÈÀ
 
”‰D›
(4)
îj

o^×ß
±Ë,* ªñ3ŽšØ&H

,šØî2ϱ
²Ž*‡°±

,úî2áÎ(Ž]„ àáå
ªò‡Ø&ʎZŸ

xq
6。
q
6 
]„ àáåËâàáåªò‡Ø&ʎZŸ
Fig6 Plotofenthalpychangeagainstentropychangeforwater
adsorbedbyScutelariabaicalensis
  
±]„ àáåËâàáåªò‡Ø¼näÂ
µs‡§

î2ÝÂ

„ àáåËâàáåªò‡
Øæo[׎äÂZŸ

àáÒÓ$ZŸóêüL

y=34303x+1463,R2=09999 (8)
âàÒÓ$ZŸóêüL

y=34218x+14966,R2=09999 (9)

(8),(9)
$áÎ

àáÒӎ
Tβ=34303
K,
âàÒӎ
Tβ=34218K。,›(6)ŽÏáÎà
áªâàŽ
Thm=30793K,Ýj Tβ>Thmùàáª
âàÒÓí,Ùڊ

O

àáâàÒӎ ΔGβ
‡×¯
14630,14966kJ·mol-1,
óCÛÜÝÞ
Ž*‡àáªâàÒÓí¯ãmÒÓ
(ΔGβ>0)。
4 
’À
4ËU(׿ÛÜÝÞo

ñß±

]*‡
°±LŽàáâàц,*}

!ûôÌàáâà
„ßä

~ñ¿

ñïxŽàáâàšØ

!±šØ
¼n÷øùMÂÇ3ñŽšØ

,ú¼[çŽÏÂ
Y²Ž„ àáåªâàáå

ˆ‰Ø

ÙSÓÈÀ
ùûô„ àáåËâàáåªò‡Ø&ʎä
ÂZŸ

’yóC

ÛÜÝÞ*‡àáâà¡ÂôK
Ⅲ؄ßä,ªÌ±²ŽÇ3šØ¯ PelegšØ,!
·638·
säф

ÛÜÝބßàáªâàãäËå柘™
ŽÏáÎ
25,35,45℃
LÛÜÝގ¢±5w,*
 ‡×¯
953%,924%,889%,
Y±5w,* 
‡×¯
1362%,1329%,1361%;
ÛÜÝގ„
 àáåªâàáå

ò‡Øª,* ZŸ./-
í(,* Žwùùw:

o±ÛÜÝÞ$ZO

î#$£,*}¯
120%
ɯ$ZŽ’q

ÛÜÝ
ގàáªâàÒÓí,Ùڊ

O

ÛÜÝގ
*‡àáªâàÒÓí¯ãmÒÓ

ò‡Øª„
ßàáåËâàáå&ʎäÂZŸöŠÂÛÜÝ
Þà͂–ŽÌùñÈÂ˱ÛÜÝÞ晪$Z
ŽTp?ÒÉÊ


|}?~

[1] 
!õO

$,>òÝÞªW^ÝÞ_‡Ë,W| 
±§˜™
[D]


9•A&w
,2010
[2] 
Fl:

…ö[D]
23

23
$A,w
,2004
[3] ChenYJ,LiangZT,ZhuY,etalTissuespecificmetabolites
profilingandquantitativeanalysesofflavonoidsintherhizomeof
Belamcandachinensisbycombininglasermicrodissectionwith
UHPLCQ/TOFMSandUHPLCQqQMS[J]Talanta,2014,
130:585
[4] 
‡£I

ˆ‰ðP^•‘ŠPú•œ™ÛÜÊ,‚–
[D]
23

23$A,w
,2013
[5] 
1֊

øqŽàÍâàц‚–‘¦ïøq¢£ŽšØ

[D]
‹ù

o9w
,2010
[6] KayaS,KahyaogluTMoisturesorptionandthermodynamic
propertiesofsaflowerpetalsandtaragon[J]JFoodEng,
2007,78(2):413
[7] BergC,BruinSWateractivity:influencesonfoodquality[M].
NewYork:AcademicPress,1981:1
[8] BrunauerS,EmmetPH,TelerEAdsorptionofgasesinmulti
molecularlayers[J]JAmChemSoc,1938,60(2):309
[9] HendersonSMAbasicconceptofequilibriummoisture[J]
AgrEng,1952,33:29
[10] SmithSEThesorptionofwatervaporbyhighpolymers[J]J
AmChemSoc,1947,69(3):646
[11] OswinCRThekineticsofpackagelifeⅢTheisotherm[J]J
SocChemInd,1946,65(12):419
[12] HalseyGPhysicaladsorptiononnonuniformsurfaces[J]J
ChemPhys,1948,16(10):931
[13] ArgyropoulosD,AlexR,KohlerR,etalMoisturesorptioniso
thermsandisostericheatofsorptionofleavesandstemsoflemon
balm(MelisaoficinalisL)establishedbydynamicvaporsorp
tion[J]LWTFoodSciTechnol,2012,47(2):324
[14] PelegMAssessmentofasemiempiricalfourparametergeneral
modelforsigmoidmoisturesorptionisotherms1[J]JFoodProc
Eng,1993,16(1):21
[15] 
,^¡

©.,|ª,.Šæ
[M]2
æ

23

ÙÚ
m©ÂæÞ
,2004:223
[16] 
ú.O



·j:

£¤
AIC
—ùÜM
AR
šØ˜™×%
©ÖXÝ
[J]
g)5wªMO
,2009,35(6):45
[17] WangN,BrennanJGMoisturesorptionisothermcharacteristics
ofpotatoesatfourtemperatures[J]JFoodEng,1991,14(4):
269
[18] CenkowskiS,JayasDS,HaoDLatentheatofvaporizationfor
selectedfoodsandcrops[J]CanAgrEng,1992,34(3):281
[19] McMinnWAM,AlMuhtasebAH,MageeTRAEnthalpy
entropycompensationinsorptionphenomenaofstarchmaterials
[J]FoodResInt,2005,38(5):505
[20] KrugRR,HunterWG,GriegerRAEnthalpyentropycom
pensation1Somefundamentalstatisticalproblemsassociated
withtheanalysisofvan'tHofandArheniusdata[J]JPhys
Chem,1976,80(21):2335
[21] 
h¸©

*‡°Â±àôW5w‘Ÿ Ž!×ÉÊ
[J]
W˜™ªÛm
,2006,27(4):165
[22] LabuzaTP,KaananeA,ChenJYEfectoftemperatureonthe
moisturesorptionisothermsandwateractivityshiftoftwode
hydratedfoods[J]JFoodSci,1985,50(2):385
[23] ZsigmondyRberdieStrukturdesGelsderKieselsureTheo
riederEntwsserung[J]ZeitschriftfürAnorganischeChemie,
1911,71(1):356
[24] 
û+²

{Ä©

*„.

„

cáàá„ßäËåæŸ
[J]
W&
,2015(21):1
[25] AriahuCC,KazeSA,AchemCDMoisturesorptioncharacter
isticsoftropicalfreshwatercrayfish(Procambarusclarki)[J]J
FoodEng,2006,75(3):355
[26] TaitanoLZ,SinghRP,LeeJH,etalThermodynamicanalysis
ofmoistureadsorptionisothermsofrawandblanchedalmonds
[J].JFoodProcEng,2012,35(6):840
[27] 


PF

¦Ñü

„
.4
/$,œý%„ßà͂–ªàÍ
凧
[J].
$%TU•|-.
,2015,21(11):1.

€-0
 
ŽŽ

·738·