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Employment of different processes for the production of strawberry vinegars: Effects on antioxidant activity, total phenols and monomeric anthocyanins

Abstract

The use of strawberry surpluses for the production of added value products seems to be a good solution choice to avoid the waste of this fruit. We produced strawberry vinegars through double fermentation (alcoholic and acetous) from three different harvests of Fragaria x ananassa var. Camarosa. The objective was to study the evolution of antioxidant activity, total phenols and monomeric anthocyanins during the vinegar production process. These parameters increased when sulphur dioxide and pectolytic enzymes were added to substrates. Inoculation with the Saccharomyces cerevisiae strain RP1 produced wines with half the anthocyanins with respect to the spontaneous fermentations. The use of wood barrels, particularly cherry wood barrels, had a positive effect on all the parameters determined. All measured parameters decreased during the double fermentation process. In general, the acetification stage led to a high loss of antioxidant compounds. Moreover, the production of these vinegars at a semi-pilot scale yielded final commodities with the best values for antioxidant activity, total phenols and monomeric anthocyanins comparing with the vinegars obtained in 2008 and 2009 harvest.

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Employment of different processes for the production of strawberry vinegars: Effects on antioxidant activity, total phenols and monomeric anthocyanins

Author: Úbeda Aguilera, Cristina; Callejón Fernández, Raquel María; Hidalgo, C.; Torija, M. J.; Troncoso González, Ana María; Morales Gómez, María Lourdes
Publisher: Elsevier
Year: 2013
DOI: 10.1016/j.lwt.2012.04.021
Source: https://idus.us.es/bitstreams/1c508467-2ed9-40c3-a8db-6a1ec074d77f/download
Depósi o de in es igación de la Uni e sidad de Se illa
h ps://idus.us.es/
“This is an Accep ed Manusc ip o an a icle published by Else ie in LWT-
FOOD SCIENCE AND TECHNOLOGY on 2013, a ailable
a : h ps://doi.o g/10.1016/j.lw .2012.04.021.”
Employmen o di e en p ocesses o he p oduc ion o s awbe y inega s:
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E ec s on an ioxidan ac i i y, o al phenols and monome ic an hocyanins
2
C. Ubeda1, R. Callejón1, C. Hidalgo2, M.J. To ija2, A.M. T oncoso1, M.L. Mo ales1*
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1Á ea de Nu ición y B oma ología. Facul ad de Fa macia. Uni e sidad de Se illa.
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C/ P. Ga cía González nº2, E- 41012. Se illa. Spain.
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2Depa amen o de Bioquímica y Bio ecnología. Facul ad de Enología. Uni e si a
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Ro i a i Vi gili. C/ Ma cel·lí Domingo s/n. E- 43007. Ta agona. Spain.
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*Co esponding au ho : [email p o ec ed]; Tel.: 34-954-556760; Fax.: 34-954-233765
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Abs ac
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The use o s awbe y su pluses o he p oduc ion o added alue p oduc s seems o be
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a good solu ion choice o a oid he was e o his ui . We p oduced s awbe y inega s
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h ough double e men a ion (alcoholic and ace ous) om h ee di e en ha es s o
12
F aga ia x ananassa a . Cama osa. The objec i e was o s udy he e olu ion o
13
an ioxidan ac i i y, o al phenols and monome ic an hocyanins du ing he inega
14
p oduc ion p ocess. These pa ame e s inc eased when sulphu dioxide and pec oly ic
15
enzymes we e added o subs a es. Inocula ion wi h he Saccha omyces ce e isiae s ain
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RP1 p oduced wines wi h hal he an hocyanins wi h espec o he spon aneous
17
e men a ions. The use o wood ba els, pa icula ly che y wood ba els, had a posi i e
18
e ec on all he pa ame e s de e mined. All measu ed pa ame e s dec eased du ing he
19
double e men a ion p ocess. In gene al, he ace i ica ion s age led o a high loss o
20
an ioxidan compounds. Mo eo e , he p oduc ion o hese inega s a a semi-pilo scale
21
yielded inal commodi ies wi h he bes alues o an ioxidan ac i i y, o al phenols and
22
monome ic an hocyanins compa ing wi h he inega s ob ained in 2008 and 2009
23
ha es .
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Keywo ds: an ioxidan ac i i y; monome ic an hocyanins; s awbe y; inega ; wine.
25
2
1. In oduc ion
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S awbe ies a e a widely esea ched ui o hei nu i ional and heal h bene i s as
27
well as hei o ganolep ic p ope ies. This ui is ich in i amins, mine als, ib e and
28
phy ochemicals. In addi ion, s awbe ies con ain po en ially bioac i e compounds and
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a e a g ea sou ce o phenolic compounds such as la onoids and phenolic acids (Aaby,
30
K., Sk ede, G., & W ols ad, R. E, 2005; Mää ä-Riihinen, K. R., Kamal-Eldin, A., &
31
Tö önen, A. R, 2004; See am, N. P., Lee, R., Scheulle , H. S., & Hebe , D, 2006). All
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o hese phenolic compounds ha e been shown o p e en oxida i e p ocesses,
33
pa icula ly hose caused by eac i e oxygen species (ROS) (Aaby, K., Ekebe g, D., &
34
Sk ede, G, 2007; Ce ezo, A. B., Cue as, E., Win e hal e , P., Ga cia-Pa illa, M. C., &
35
T oncoso, A. M, 2010a). These compounds make s awbe ies a highly an ioxidan ui
36
(Aaby e al., 2005; Wol e, K. L., Kang, X., He, X., Dong, M., Zhang, Q., & Liu, R. H,
37
2008) wi h po en ial heal h bene i s. Among he nume ous heal hy p ope ies desc ibed
38
in he li e a u e a e an i-p oli e a i e e ec s on cance cells (Meye s, K. J., Wa kins, C.
39
B., P i s, M. P., & Liu, R. H, 2003; Olsson, M. E., Ande sson, C. S., O edsson, S.,
40
Be glund, R. H., & Gus a sson, K, 2006) and he an ioxidan and an i-in lamma o y
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e ec s ha ha e been shown o educe ca dio ascula disease isk ac o s in se e al
42
p ospec i e coho s udies (Hannum, 2004).
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Acco ding o he la es da a om he FAO (FAOS a , FAO 2011), Spain is he second-
44
la ges s awbe y p oduce in he wo ld; a la ge po ion o his p oduc ion is ha es ed
45
in Huel a (Andalucía). E e y yea , pa o he c op is disca ded o a ious easons,
46
including size o de o ma ions o he be ies, o o e p oduc ion which leads o
47
su pluses. Because inega is gene ally an inexpensi e p oduc , i s p oduc ion equi es
48
low-cos aw ma e ials, such as sub-s anda d ui and seasonal ag icul u al su pluses
49
(Solie i & Giudici, 2009). In addi ion, he e is a g owing demand o ui inega s,
50
3
which a e sold as a heal h ood (Shau-mei & Chang, 2009). The use o s awbe ies o
51
second quali y, which a e s ill sui able o human consump ion, o p oduc ion heal hy
52
inega s wi h special o ganolep ic nuances may be a good me hod o educe losses due
53
o disca ding he ui .
54
Fo his pu pose, we ha e p oduced s awbe y inega s using second-quali y
55
s awbe ies employing wo-s age e men a ion and assessed di e en condi ions and
56
ea men s. The aim o his wo k was o e alua e he changes in he an ioxidan ac i i y
57
(AA), o al phenols index (TPI) and o al monome ic an hocyanins (TA) du ing he
58
p oduc ion p ocess o s awbe y inega . In addi ion, an adequa e ex ac ion me hod o
59
pe o m hese de e mina ions was designed.
60
2. Ma e ials and me hods
61
2.1. Chemicals
62
The eagen s ace one, me hanol, Folin-Ciocal eu eagen , e hanol, di-po assium
63
hyd ogen phospha e (anhyd ous), sodium di-hyd ogen phospha e 1-hyd a e, po assium
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chlo ide, sodium ace a e and sodium ca bona e (anhyd ous) we e pu chased om Me ck
65
(Da ms ad , Ge many). Fluo escein sodium and gallic acid we e supplied om Fluka
66
(Mad id, Spain). 6-hyd oxy-2,5,7,8- e ame hylch oman-2-ca boxylic acid (T olox),
67
2,2’-azobis (2-me hylp opionamidine) dihyd ochlo ide (AAPH) and 2,2’-diphenyl-1-
68
pic ylhyd azyl (DPPH) we e pu chased om Sigma-Ald ich (S einheim, Ge many).
69
2.2. Samples
70
Fo he op imisa ion o he ex ac ion p ocess, we used s awbe ies (F aga ia ananassa
71
a . cama osa) acqui ed a he ma ke . The ui was c ushed in ou labo a o y,
72
dis ibu ed in o ambe glass lasks and ozen a -20º C.
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Fo he p oduc ion o he inega s, we employed h ee di e en ba ches o s awbe ies
74
(F aga ia ananassa a . cama osa) om he Huel a a ea (Spain), co esponding o
75
4
h ee ha es s: 2008, 2009 and 2010. The p oduc ion p ocesses we e pe o med in he
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labo a o ies o he Dep o Biochemis y and Bio echnology, Facul y o Oenology, Uni
77
Ro i a i Vi gili (Ta agona). In 2008 and 2009, he subs a e employed we e pu ees
78
p epa ed in he labo a o y using a bea e . In 2010, we used a comme cial pu ee p o ided
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by he Hudisa Company (Huel a). Sulphu dioxide (60 mg/L), suc ose and wo ypes o
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pec oly ic enzymes (Depec il ex a-ga de FCE® and Depec il cla i ica ion® om Ma in
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Viala e Oenologie, Epe nay, F ance), bo h a a concen a ion o 15 mg/L, we e added
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o he pu ee. A e his poin , he p ocedu es we e sligh ly di e en in each ha es .
83
2008 ha es
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One po ion o he s awbe y pu ee was p essed o s udy he e ec o wo ypes o
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s a ing subs a es (semi-solid and liquid) (Table 1). Six glass con aine s we e illed
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wi h 6 L o ui subs a e ( ou pu ees and wo liquids). Hal o he con aine s o each
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ype o subs a e we e inocula ed wi h he yeas Saccha omyces ce e isiae QA23 a a
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concen a ion o 2x106 cells/mL, and spon aneous alcoholic e men a ion was allowed
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o occu in he o he hal . All wines we e spon aneously ace i ied keeping i in he same
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con aine s. Two inal ea men s we e es ed in inega s: pas eu iza ion o
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cen i uga ion. The a e age ace ic deg ees in he 2008 s awbe y inega s we e 4.8.
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2009 ha es
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Fo he inega p oduc ion in 2009, eigh glass essels we e illed wi h 6 L o
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s awbe y pu ee each. Hal o hese essels we e inocula ed wi h he yeas s ain
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Saccha omyces ce e isiae RP1, isola ed du ing he 2008 spon aneous alcoholic
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e men a ion, and spon aneous alcoholic e men a ion was allowed o occu in he o he
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hal . All o he wines ob ained om he inocula ed alcoholic e men a ion we e mixed
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and dispensed in h ee di e en ypes o con aine s: a glass essel and oak o che y
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wood ba els. Samples we e hen inocula ed wi h a s ain o ace ic acid bac e ia isola ed
100

5
om he 2008 ace i ica ion. Wines om he spon aneous alcoholic e men a ion we e
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p ocessed in he same way and le o ace i y spon aneously. The inega s ob ained
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we e pas eu ised. Inocula ed inega s om he 2009 ha es eached an ace ic deg ee o
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5.5 (glass con aine ), 6.6 (oak ba el) and 6.3 (che y ba el).
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A po ion o he pu ee om he 2009 s awbe ies was concen a ed by hea ing in a
105
wa e ba h a 80ºC du ing 10 hou s, o es ano he me hod o inc easing he suga
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con en ; he esul ing p oduc was a cooked mus (Table 1). The suc ose inal
107
concen a ion was 140 g/L. One li e o his subs a e was e men ed by a spon aneous
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p ocess and one li e was inocula ed wi h he RP1 s ain o yeas . The inocula ed wines
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(IWs) we e ace i ied wi h he same ace ic acid bac e ia isola ed in 2008, and he
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spon aneous wines (SWs) we e le o ace i y spon aneously.
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2010 ha es
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In his ha es , he pec oly ic enzymes added we e Rohapec ® (12 mg/hL) and he pH
113
was adjus ed o 3.5 wi h 2 g/L CaCO3. In his case, 45 L o pu ee we e e men ed in a
114
s ainless s eel con aine on a semi-pilo scale, a e inocula ion wi h S. ce e isiae RP1.
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The ace ous e men a ion was pe o med in a che y wood ba el. The inega had an
116
ace ic deg ee o 6.3.
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All inega s om 2009 and 2010 ha es we e pas eu ized as inal ea men .
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Fo y-one samples, aken h oughou hese p oduc ion p ocesses, we e analysed. The
119
codes and cha ac e is ics o he samples a e shown in Table 1. In addi ion, i e
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comme cial inega s we e also analysed o ca y ou compa a i e s udies: Ace o
121
Balsamico, ed wine and whi e wine inega s, apple inega and she y inega .
122
2.3. Sample-ex ac ion p ocedu e
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The consis ency o he samples (pu ees, wines and inega s) made i necessa y o
124
es ablish an ex ac ion sys em p io o analysis. The me hod employed was based on he
125
6
ex ac ion p ocedu es designed and op imised p e iously by Ubeda, Hidalgo, To ija,
126
Mas, T oncoso & Mo ales (2011a). Twen y g ams o sample we e mixed in a beake
127
wi h 40 ml o ex ac o 10 min while shaking a 800 pm. The sample was hen
128
subjec ed o ul asonica ion ollowed by a cen i uga ion a 4000 pm o 15 min. The
129
supe na an was eco e ed, and he pelle was e-ex ac ed wi h 40 ml o sol en
130
ollowing he same p ocedu e. Bo h ex ac s we e subsequen ly mixed, and he o ganic
131
sol en was emo ed unde acuum. Finally, he ex ac was il e ed, and MilliQ wa e
132
was added o a inal olume o 15 ml. E e y ex ac ion was pe o med in duplica e. We
133
es ed di e en condi ion o ge he maximum alues o AA, TPI and TA as well as
134
economy o sol en used and ime. Thus, he pa ame e s s udied o selec he bes
135
ex ac ion condi ions we e: ype o sol en (ace one, me hanol o e hanol), pe cen age
136
o sol en (80% o 100%) and ul asonic ex ac ion ime (15, 25, 35 o 50 min).
137
2.4. Assays and Me hods
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2.4.1. ORAC-FL assay
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The Oxygen Radical Abso bance Capaci y assay (ORAC-FL) was pe o med in a Black
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96-well mic opla e, ollowing he p ocedu e desc ibed in Ubeda e al. (2011a). This
141
assay was conduc ed in a Mul i-de ec ion pla e eade (Syne gy HT, Ve mon , USA)
142
loca ed a he Cen e o Resea ch, Technology and Inno a ion a he Uni e si y o
143
Se ille (CITIUS). All eac ion assays we e pe o med in iplica e. Resul s we e
144
exp essed as µmol T olox equi alen s (TE)/kg o sample.
145
2.4.2. DPPH adical sca enging assay
146
To de e mine he adical sca enging capaci y, he DPPH assay desc ibed by B and-
147
Williams, Cu elie , & Be se (1995) was used. Fo his es , we used an UV/Vis
148
spec opho ome e U-2800 Digilab coupled o a Pel ie hemos a ic sys em (Hi achi,
149
7
Tokyo, Japan). Resul s we e exp essed as µmol T olox equi alen s (TE)/kg o sample.
150
The assays we e pe o med in iplica e.
151
2.4.3. To al Phenols Index
152
This pa ame e was de e mined in iplica e, using he Folin-Ciocal eu me hod
153
ollowing he p ocedu e desc ibed in Wa e house (2001). Resul s we e exp essed as mg
154
gallic acid/L.
155
2.4.4. To al monome ic an hocyanins
156
The de e mina ion o o al monome ic an hocyanin con en (TA) was measu ed
157
ollowing he pH-di e en ial me hod desc ibed in Gius i & W ols ad (2001). TA was
158
exp essed as pela gonidin-3-glucoside (Plg-3-glu), which is he majo an hocyanin in
159
s awbe y ui wi h a λ is-max a 510 nm (Swain, 1965). Two bu e s we e p epa ed:
160
po assium chlo ide bu e pH=1 (0.025 M), and sodium ace a e bu e pH=4.5 (0.4 M).
161
We measu ed he abso bance a 510 and 700 nm agains a cu e e illed wi h dis illed
162
wa e as a blank.
163
We hen calcula ed he abso bance o he dilu ed sample (A) as ollows:
164
A= (A 510 -A 700) pH 1.0 - (A 510 -A 700) pH 4.5
165
The monome ic an hocyanin concen a ion in he o iginal sample was calcula ed using
166
he ollowing o mula:
167
TA[Plg-3-glu (mg/L)] = (A × MW × DF × 1000) / (ε×1)
168
Whe e
169
A = Sample abso bance
170
MW= Molecula weigh o Plg-3-glu (487.5)
171
DF= Dilu ion ac o
172
ε= Abso p ion coe icien o Plg-3-glu (17330)
173
8
The esul s we e exp essed as mg Plg-3-glu/kg o sample.
174
2.5. S a is ical analysis
175
All s a is ical analysis was pe o med using he S a is ica e sion 7.0 so wa e package
176
(S a so , Tulsa, USA).
177
3. Resul s and discussion
178
3.1. Selec ion o he bes ex ac ion condi ions
179
Se e al ac o s, such as sol en composi ion, ime o ex ac ion, empe a u e, pH, solid-
180
o-liquid a io and pa icle size, may signi ican ly in luence solid-liquid ex ac ions
181
(Azizah, A. H., Ruslawa i, N. M. N., & Tee, T. S, 1999; Pinelo, M., Del Fabb o, P.,
182
Manzocco, L., Nunez, M J., & Nicoli, M. C, 2005). In ou case, he pa ame e s ha
183
we e e alua ed o de e mine he bes ex ac ion condi ions we e he ype o sol en , he
184
sol en -wa e a io and ul asonica ion ime. The c i e ia used o selec he ex ac ion
185
pa ame e s we e he maximum alues o an ioxidan ac i i y, o al phenols,
186
an hocyanins and ime and sol en sa ings.
187
The ype o sol en is one o he mos in luen ial a iables in he ex ac ion p ocess. We
188
es ed ace one, e hanol and me hanol. The ex ac ion wi h me hanol ga e he wo s
189
esul s in all he assays. As shown in Figu e 1, ace one yielded he highes alues o
190
DPPH (8327 µmol T olox equi alen s (TE)/kg) and TPI (2090 gallic ac. mg/kg), wi h
191
signi ican di e ences in his las pa ame e . Howe e , we ob ained he bes esul s o
192
he ORAC assay (24329 µmol TE/kg) and o he TA de e mina ion (26.78 mg Plg-3-
193
glu/kg) using e hanol, bu no signi ican di e ences we e ound be ween hese alues
194
and hose wi h ace one (26.30 mg Plg-3-glu/kg). Hen íquez, C., Ca asco-Pozo, C.,
195
Gomez, M., B unse , O., & Speisky, H, (2008) epo ed ha he an ioxidan ac i i y o
196
s awbe y ex ac s ob ained wi h ace one/wa e was highe han ha wi h e hanol/wa e
197
and aqueous ex ac s. Taking in o accoun his and o he s udies (Ga cia-Vigue a, C.,
198
15
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B and-Williams, W., Cu elie , M. E., & Be se , C. (1995). Use o a ee adical me hod
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Cano-López, M., Pa do-Minguez, F., López-Roca, J. M., & Gómez-Plaza, E. (2006).
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E ec o mic ooxygena ion on an hocyanin and de i ed pigmen con en and ch oma ic
355
cha ac e is ics o ed wines. Ame ican Jou nal o Enology and Vi icul u e, 57, 325–331.
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Ce ezo, A. B., Tes aye, W., To ija, M. J., Ma eo, E., Ga cia-Pa illa, M. C., &
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T oncoso, A. M. (2008). The phenolic composi ion o ed wine inega p oduced in
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Ce ezo, A. B., Cue as, E., Win e hal e , P., Ga cia-Pa illa, M. C., & T oncoso, A. M.
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Ce ezo, A. B., Cue as, E., Win e hal e , M., Ga cia-Pa illa, M. C., & T oncoso, A. M.
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Slow and as - eac ing an ioxidan s om be ies: hei e alua ion h ough he
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Klopo ek, Y., O o, K., & Boehm, V. (2005). P ocessing s awbe ies o di e en
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p oduc s al e s con en s o i amin C, o al phenolics, o al an hocyanins, and
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Lee, J., & W ols ad, R. E. (2004). Ex ac ion o an hocyanins and polyphenolics om
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Mää ä-Riihinen, K. R., Kamal-Eldin, A., & Tö önen, A. R. (2004). Iden i ica ion and
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quan i ica ion o phenolic compounds in be ies o F aga ia and Rubus species ( amily
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Meye , A. S. (2002). Enhanced ex ac ion o an ioxidan phenols om wine and
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juice p ess esidues ia enzyma ic polysaccha ide hyd olysis. F ui P ocessing, 12,
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29-33.
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Meye s, K. J., Wa kins, C. B., P i s, M. P., & Liu, R. H. (2003). An ioxidan and
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an ip oli e a i e ac i i ies o s awbe ies. Jou nal o Ag icul u al and Food
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Chemis y, 51, 6887-6892.
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17
Mo a a, A., Gomez-Co do es, M. C., Colomo, B., & Sua ez, J. A. (2005). Cell wall
398
an hocyanin adso p ion by di e en Saccha omyces s ains du ing he e men a ion o
399
Vi is ini e a L. c G aciano g apes. Eu opean Food Resea ch and
400
Technology, 220, 341-346.
401
Olsson, M. E., Ande sson, C. S., O edsson, S., Be glund, R. H., & Gus a sson, K.
402
(2006). An ioxidan le els and inhibi ion o cance cell p oli e a ion in i o by
403
ex ac s om o ganically and con en ionally cul i a ed s awbe ies. Jou nal o
404
Ag icul u al and Food Chemis y, 54, 1248-1255.
405
Pinelo, M., Del Fabb o, P., Manzocco, L., Nunez, M J., & Nicoli, M. C. (2005).
406
Op imiza ion o con inuous phenol ex ac ion om Vi is ini e a byp oduc s. Food
407
Chemis y, 92, 109-117.
408
See am, N. P., Lee, R., Scheulle , H. S., & Hebe , D. (2006). Iden i ica ion o phenolic
409
compounds in s awbe ies by liquid ch oma og aphy elec osp ay ioniza ion mass
410
spec oscopy. Food Chemis y, 97, 1-11.
411
Shau-mei, A., & Chang R. C. (2009). Taiwan ui inega . In L. Solie i, & P. Giudici
412
(Eds.), Vinega s o he Wo ld (pp. 223-242). Milan: Spinge -Ve lag I alia.
413
Solie i, L., & Giudici, P. (2009). Vinega s o he wo ld. In L. Solie i, & P. Giudici
414
(Eds.), Vinega s o he Wo ld (pp. 1-16). Milan: Spinge -Ve lag I alia.
415
Swain, T. (1965) Analy ical me hods o la onoids. In T. W. Goodwin (Ed.),
416
Chemis y and Biochemis y o Plan Pigmen s (pp. 543-544). London: Academic P ess.
417
Ubeda, C., Hidalgo, C., To ija, M. J., Mas, A., T oncoso, A. M., Mo ales, M. L.
418
(2011a). E alua ion o an ioxidan ac i i y and o al phenols index in pe simmon
419
inega s p oduced by di e en p ocesses. LWT-Food Science and Technology, 44,
420
1591-1596.
421
18
Ubeda, C., Callejón, R. M., Hidalgo, C., To ija, M. J., Mas, A., T oncoso, A. M.,
422
Mo ales, M. L. (2011b). De e mina ion o majo ola ile compounds du ing he
423
p oduc ion o ui inega s by s a ic headspace gas ch oma og aphy–mass spec ome y
424
me hod. Food Resea ch In e na ional 44, 259–268.
425
Ve beys , L., Oey, I., Van de Plancken, I., Hend ickx, M., & Van Loey, A. (2010).
426
Kine ic s udy on he he mal and p essu e deg ada ion o an hocyanins in s awbe ies.
427
Food Chemis y, 123, 269-274.
428
Wol e, K. L., Kang, X., He, X., Dong, M., Zhang, Q., & Liu, R. H. (2008). Cellula
429
an ioxidan ac i i y o common ui s. Jou nal o Ag icul u al and Food Chemis y, 56,
430
8418-8426.
431
Xu, Q., Tao, W., & Ao, Z. (2007). An ioxidan ac i i y o inega melanoidins. Food
432
Chemis y, 102, 841-849.
433
434
435
436
437
438
439
440
441
442
443
444
445
446
19
447
448
Figu e cap ions
449
Figu e 1. ORAC, DPPH (le axis) and TPI ( igh axis) alues o he di e en
450
ex ac ion sol en s es ed in s awbe ies acqui ed a he ma ke . The ba s in he same
451
assay wi h di e en le e s show signi ican di e ences (p<0.05) (ORAC assay: a, b, c;
452
IPT: A, B, C; DPPH es : α, β, γ).
453
Figu e 2. E ec o sol en pe cen ages. a) ORAC and DPPH alues. b) TPI and
454
TA alues o s awbe ies acqui ed a he ma ke . The ba s in he same assay wi h
455
di e en le e s show signi ican di e ences (p<0.05) (ORAC and TPI assays: a, b;
456
DPPH and TA es s: A, B).
457
Figu e 3. E ec o di e en ul asonica ion imes a) ORAC and DPPH
458
alues. b) TPI and TA alues o s awbe ies acqui ed a he ma ke . The
459
ma ke s in he same assay wi h di e en le e s show signi ican di e ences (p<0.05)
460
(ORAC and TPI assays: a, b, c; DPPH and TA es s: A, B, C).
461
Figu e 4. Compa ison o ORAC, DPPH (le axis) and TPI ( igh axis) alues o
462
s awbe y inega s wi h comme cial a ie ies. Sample codes: F9MCV (mean alue o
463
all inega s om cooked mus ), F9V (mean alue o all inega s om 2009 ha es )
464
and F8V (mean alue o all inega s om 2008 ha es ).
465
466
467
468
469
470
471
20
Figu e 1.
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
Figu e 2.
487
488
489
Figu e 3.
490
491
492
493
494
495
496
497
a
b
a
α
ß
α
C
B
A
0
5000
10000
15000
20000
25000
30000
Ace one Me hanol E hanol
µmol TE/kg R
0
500
1000
1500
2000
2500
mg gallic acid/kg
b
a
B
A
0
5000
10000
15000
20000
25000
80% 100%
µmol TE/Kg
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
µmol TE/Kg
a
b
A
B
0
500
1000
1500
2000
2500
80% 100%
mg gallic acid/Kg
0
5
10
15
20
25
30
mg Plg-3-glu/Kg
a)
b)
a)
b)
b
b
a
a
C
B
A
A
22000
23000
24000
25000
26000
27000
28000
29000
15 25 35 50
µmol TE/Kg
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
µmol TE/Kg
a
b
c
d
A
B
A
A
2000
2100
2200
2300
2400
2500
2600
2700
15 25 35 50
mg gallic acid/Kg
40
45
50
55
60
65
70
mg Plg-3-glu/Kg
a)
b)

21
Figu e 4.
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
Balsamic
F9MCV
F10VI
F9V
F8V
Apple
She y wine
Red wine
Whi e wine
µmol TE/kg
0
500
1000
1500
2000
2500
3000
mg gallic acid/kg
32
Table 1. Samples desc ip ion.
Ha es
T ea men
Pu ee
Sample
T ea men
Sample
subs a e
Alcoholic
e men a ion
( ime)
Wine Sample
Ace i ica ion
( ime)
T ea men o
Recipien
Vinega sample
2008
C ushed
F8P1
SO2
Pec oly ic
enzymes
Suc ose (50 g/L)
F8P2
Inocula ed
(4 days)
F8WI1- F8WI4
Spon aneous
(2 mon hs)
Cen i uga ion
F8VIC1-F8SVIC2
Pas eu iza ion
F8SVIP1-F8SVIP2
Spon aneous
(5 days)
F8WE1- F8WE4
Cen i uga ion
F8SVEC1-F8SVEC2
Pas eu iza ion
F8SVEP1-F8SVEP2
-
F8P2
P essing
F8L
Inocula ed
(4 days)
F8LWI
-
-
-
Spon aneous
(5 days)
F8LWE
2009
C ushed
F9P1
SO2
Pec oly ic
enzymes
Suc ose (75 g/L)
F9P2
Inocula ed
(5 days)
F9WI1- F9WI4
Inocula ed
(2 mon hs)
glass essel
F9SVIG
oak ba el
F9SVIO
che y ba el
F9SVIX
Spon aneous
(8 days)
F9WE1- F9WE4
Spon aneous
(2 mon hs)
glass essel
-
oak ba el
-
che y ba el
-
Hea ing
Concen a ed
F9MC
Inocula ed
(7 days)
F9MCWI1-F9MCWI2
Inocula ed
(5 mon hs)
glass essel
F9MCVI1-F9MCVI2
Spon aneous
(7 days)
F9MCWE1-F9MCWE2
Spon aneous
(2.5 mon hs)
glass essel
F9MCVE1-F9MCVE2
2010
C ushed
F10P1
SO2
Pec oly ic
enzymes
Suc ose (65 g/L)
CaCO3
F10P2
Inocula ed
(4 days)
F10WI
Inocula ed
(1.5 mon hs)
che y ba el
F10VI
33
Table 2. Changes in 2008 samples on ORAC, DPPH, TPI and TA du ing s awbe y inega p oduc ion (a e age±s anda d de ia ion).
1
Samples
ORAC
(μmol TE/kg)
DPPH
(μmol TE/kg)
TPI
(mg gallic acid /kg)
TA
(mg plg-3-glu/kg)
Subs a es
F8P1
21792 ± 221
8327 ± 99
2090 ± 10
26.3 ± 0.8
F8P2
26714 ± 910a
10116 ± 88a
2298 ± 0a
69 ± 0a
F8L
20642 ± 111b
5907 ± 516b
1615 ± 33b
43 ± 0b
Wines
F8LWE
12757 ± 267b,c
2837 ± 59b,c
868 ± 29b,c
12.2 ± 0.2b
F8LWI
13497 ± 227b,c
2898 ± 129b,c
858 ± 13b,c
17.9 ± 0.2b,d
F8SWE1
25314 ± 650
8200 ± 58b
1907 ± 26
13.1 ± 0.7b
F8SWE2
24696 ± 70
7879 ± 70b
1773 ± 32
12.9 ± 0.6b
F8SWE3
25458 ± 403
7689 ± 82b
1757 ± 45
12.4 ± 0.7b
F8SWI1
27987 ± 1227b
7241 ± 35b,d
1670 ± 9b,d
16 ± 0b,d
F8SWI2
25451 ± 429b
8004 ± 35b,d
1584 ± 19b,d
18.0 ± 0.3b,d
F8SWI3
23745 ± 15b
6515 ± 67b,d
1548 ± 6b,d
17.3 ± 0.6d
Vinega s
F8SVE1C
9202 ± 390b
3256 ± 205b
769 ± 13b
0.4 ± 0.0b
F8SVE1P
9849 ± 413b
3368 ± 352b
774 ± 23b
0.5 ± 0.1b
F8SVE2C
9215 ± 338b
3210 ± 129b
781 ± 0b
1.1 ± 0.2b
F8SVE2P
10869 ± 190b
3252 ± 234b
683 ± 10b
0.6 ± 0.0b
F8SVI1C
10139 ± 341b,e
3227 ± 117b
751 ± 16b
1.3 ± 0.0b
F8SVI1P
11611 ± 89b,e
3388 ± 64b
744 ± 6b
0.9 ± 0.1b
F8SVI2C
11054 ± 40b,e
3260 ± 246b
694 ± 16b
0.8 ± 0.1b
F8SVI2P
11082 ± 86b,e
3380 ± 76b
712 ± 9b
1 ± 0b
34
Sample codes a e loca ed in Table 1.
a Signi ican di e ences (p<0.05) wi h espec o he ini ial ui pu ee (ANOVA).
b Signi ican di e ences (p<0.05) wi h espec o he sample om which was p oduced (ANOVA).
c Signi ican di e ences (p<0.05) wi h espec o semisolid wines ob ained wi h simila alcoholic
p ocess (spon aneous o inocula ed) (ANOVA).
d Signi ican di e ences (p<0.05) wi h espec o spon aneous p ocess (ANOVA).
e Signi ican di e ences (p<0.05) wi h espec o he inega s ob ained om spon aneous wines (ANOVA).
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17