GC–MS analyses(n¼9–13for sample WBLACK and model
systems; n¼2 for blackberries listed in Table 1) were performed
on a 6890 gas chromatograph coupled to a 5973 quadrupole mass
detector(Agilent Technologies,Palo Alto,CA,USA).The SPME fiber
was desorbed into the injection port at 250 1C in splitless mode
(3 min),usinga0.75 mm narrow bore liner(Supelco).Compounds
were resolved on a Supelcowax capillary column(27.2m
0.25 mmi.d.0.25 mm film thickness,Supelco)using heliumas
carrier gas.The oven was temperature programmed from 40 1C
(3 min)to220 1C (60min)at3 1C min1. Mass spectra were
recorded in electron impact(EI)modeat70eV with in the mass
range m/z 35–450. The transfer line and ionization source were
thermostated at280and230 1C, respectively.Acquisition was
done using a HPChem Station software(Agilent Technologies,Palo
Alto,CA,USA).
GC–MS analyses(n¼9–13for sample WBLACK and model
systems; n¼2 for blackberries listed in Table 1) were performed
on a 6890 gas chromatograph coupled to a 5973 quadrupole mass
detector(Agilent Technologies,Palo Alto,CA,USA).The SPME fiber
was desorbed into the injection port at 250 1C in splitless mode
(3 min),usinga0.75 mm narrow bore liner(Supelco).Compounds
were resolved on a Supelcowax capillary column(27.2m
0.25 mmi.d.0.25 mm film thickness,Supelco)using heliumas
carrier gas.The oven was temperature programmed from 40 1C
(3 min)to220 1C (60min)at3 1C min1. Mass spectra were
recorded in electron impact(EI)modeat70eV with in the mass
range m/z 35–450. The transfer line and ionization source were
thermostated at280and230 1C, respectively.Acquisition was
done using a HPChem Station software(Agilent Technologies,Palo
Alto,CA,USA).
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GC–MS analyses(n¼9–13for sample WBLACK and model
systems; n¼2 for blackberries listed in Table 1) were performed
on a 6890 gas chromatograph coupled to a 5973 quadrupole mass
detector(Agilent Technologies,Palo Alto,CA,USA).The SPME fiber
was desorbed into the injection port at 250 1C in splitless mode
(3 min),usinga0.75 mm narrow bore liner(Supelco).Compounds
ถูกแก้ไขใน supelcowax แคพิลลารีคอลัมน์ ( 27.2m
0.25 MMI D . 0.25 มม. ความหนาฟิล์ม supelco ) ใช้ heliumas
ขนส่งก๊าซ เตาเป็นโปรแกรมอุณหภูมิจาก 40 c
( 3 นาที ) to220 1C ( 60min ) 3 c มิน 1 มวลสเปกตรัมถูก
บันทึกในอิเล็กตรอนกระทบ ( EI ) modeat70ev กับมวล M / Z
ช่วง 35 – 450 การโอนสายและแหล่งไนเซชันถูก
thermostated at280and230 1C )Acquisition was
done using a HPChem Station software(Agilent Technologies,Palo
Alto,CA,USA).
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