Effects of 20% CO2
on the firmness, starch content
and sugar content of bananas and plantains
during ripening
In contrast to the differentiated color changing patterns
recorded between the 20% CO2 treated bananas and
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fruits and treated fruits. For both cultivars, the decline of
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from around 14.1 to 1 N for bananas and from around 12.1
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detected larger than the pulp for both cultivars, and the
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for bananas and from about 68.6 to 5.5 N for plantains,
ripening in control atmosphere. Slightly slower decline in
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not plantains, as compared to the control fruits.
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the starch contents in the peel and pulp decreased dramatiFDOO
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contents was observed in each time point between the control
and 20% CO2 treated fruits. The contents in peel decreased
from about 412 to 20 mg g–1 dry weight (DW) for bananas,
and 333 to 19 mg g–1DW for plantains (Fig. 2). Higher starch
contents were detected in the pulps than in the peels of both
cultivars, and the contents dropped from 856 to 62 mg g–1
DW for bananas, and 868 to 144 mg g–1 DW for plantains.
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difference in soluble sugar content was observed between
the control and 20% CO2
treated fruits (Fig. 2).
Effects of 20% CO2 on the firmness, starch contentand sugar content of bananas and plantainsduring ripeningIn contrast to the differentiated color changing patternsrecorded between the 20% CO2 treated bananas andSODQWDLQV QR VLJQL¿FDQW GLIIHUHQFH ZDV GHWHFWHG IRU WKH¿UmQHVV GHFOLQH RI SHHOV DQG SXOSV EHWZHHQ WKH FRQWUROfruits and treated fruits. For both cultivars, the decline ofWKH SXOS ¿UmQHVV DOmRVW IROORZHG WKH VDmH SDWWHUQV DVfrom around 14.1 to 1 N for bananas and from around 12.1WR 1. 1 IRU SODQWDLQV )LJ. . 7KH IUXLW SHHO ¿UmQHVV ZDVdetected larger than the pulp for both cultivars, and the¿UmQHVV DOVR GHFUHDVHG UDSLGO DV IURm DERXW .5 WR 5. 1for bananas and from about 68.6 to 5.5 N for plantains,ripening in control atmosphere. Slightly slower decline inWKH SHHO ¿UmQHVV ZDV GHWHFWHG IRU WKH WUHDWHG EDQDQDV EXWnot plantains, as compared to the control fruits.6LmLODU WR WKH ¿UmQHVV GHFOLQH SDWWHUQV GHVFULEHG DERYHthe starch contents in the peel and pulp decreased dramatiFDOOGXULQJ WKH ULSHQLQJ DQG QR VLJQL¿FDQW GLIIHUHQFH LQ VWDUFKcontents was observed in each time point between the controland 20% CO2 treated fruits. The contents in peel decreasedfrom about 412 to 20 mg g–1 dry weight (DW) for bananas,and 333 to 19 mg g–1DW for plantains (Fig. 2). Higher starchcontents were detected in the pulps than in the peels of bothcultivars, and the contents dropped from 856 to 62 mg g–1DW for bananas, and 868 to 144 mg g–1 DW for plantains.The soluble sugar content in the peels and pulps sigQL¿FDQWOLQFUHDVHG GXULQJ WKH ULSHQLQJ DQG QR VLJQL¿FDQWdifference in soluble sugar content was observed betweenthe control and 20% CO2 treated fruits (Fig. 2).
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