Buffalo gourd roots: chemical composition and seasonal changes in starch content

Berry, J. W.; Scheerens, Joseph C.; Bemis, W. P.

doi:10.1021/jf60216a022

Cited by 15 publications

(7 citation statements)

References 12 publications

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“…Roots decreased in moisture content and increased in percentage starch most noticeably during the first three sampling periods. Thereafter, (with one exception) moisture values remained near 70% with corresponding starch values ranging from 16.2 -18.2% These values agreed well with previously published data for first season [18] and second season [13] roots. Starch level and dry matter content appeared to be interdependent, as shown most clearly by samples harvested during the initial period of starch accumulation and by the decline in starch content and corresponding increase in percentage moisture of the 3.5 month sample.…”

Section: Proximate Analysis Of Rootssupporting

confidence: 91%

“…Percent dry weights of fresh root samples were obtained from oven-dried material (IOOOC, overnight). Proximate analysis of freezedried root powders was performed using the following procedures : crude protein by micro-Kjeldahl analysis (protein conversion factor 4.00 [13]); crude fat by hexane extraction with a Goldfisch apparatus; crude fiber following the acid detergent method of Van Soest [23]; starch and sugar contents by colorimetric determination of glucose using anthrone by the methodology of Clegg [24]; ash by gravimetric determination after heating in a furnace overnight at 500°C. Data were expressed as wet weight percentages of whole root.…”

Section: Proximate Analysismentioning

confidence: 99%

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Buffalo Gourd Root Starch. Part III. Effects of Plant Age and Spacing upon the Physico‐chemical and Rheological Properties

et al. 1983

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Buffalo gourd (Cuctrrbitu foetidissirna HBK) starch was previously shown to have potential for incorporation in food products. As annual cropping systems have been suggested to produce the highest starch yield per unit of land and time,a study oftheeffects of plant age and spacing upon the physico-chemical and rheological properties was undertaken. Root starch content reached a plateau level (1 8 % of fresh weight) near 2.5 months of growth in 1979, but continued to increase up to 4.5 months of age in 1981. Substantial changes among samples of different age and spacing for other compositional parameters were not observed. However, vine senescense was associated withadecreasein starchlevelandaconcomitant risein free sugar content. Proximate analysis of starches revealed little variation among samples. Mean granule diameters appeared to increase with increasing plant age. Patterns among samples associated with water bindingcapacity, alkali number, iodine affinity, inherent viscosity, or gelatinization temperature were not recognized. Internal organization of components within the granule appeared to decrease with increased plant age as shown by the parameters of swelling power, percent solubility, initial pasting temperature, and initial viscosity at 95°C. All samples formed well developed pastes, which increased viscosity upon cooling, with final gel strength being independent of plant age or spacing.

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Section: Proximate Analysis Of Rootssupporting

confidence: 91%

Section: Proximate Analysismentioning

confidence: 99%

Buffalo Gourd Root Starch. Part III. Effects of Plant Age and Spacing upon the Physico‐chemical and Rheological Properties

et al. 1983

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“…The root can grow to enormous proportions -it can weigh up to 40 kg after three or four seasons. The de-fatted root powder has been found to contain 2000 mg cucurbitacin/kg whole root (Berry et al, 1978). Similar amounts were detected in fresh roots by Rehm et al (1957a).…”

Section: Non Food Plants From the Cucurbitaceae Familysupporting

confidence: 69%

Cucurbitacins in plant food

Gry¹,

Søborg²,

Andersson³

2006

TemaNord

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“…Cultural treatments had little effect on starch content of roots. Berry et al (3) found that starch content of roots during the second season of growth was highest in August and then declined as the vines senesced. If this pattern occurs in the first season, as is likely, harvesting roots in August rather than after plants are dormant would result in the highest starch content.…”

Section: Discussionmentioning

confidence: 99%

Effect of Plant Population and Planting Date on Root and Starch Production of Buffalo Gourd Grown as an Annual1

Nelson

Scheerens

Berry

et al. 1983

J. Amer. Soc. Hort. Sci.

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The buffalo gourd (Cucurbita foetidissima HBK) produced root yields as high as 34,550 kg/ha with a root starch content of 63.5% on a dry weight basis at a 920-m elevation site. A quadratic relation between root yield and plant population showed maximum yield at 550,000 plants/ha. No clear relation was observed between root starch content and plant population. An April planting resulted in higher root and starch yields than a July planting, at a 370-m elevation site. Vine growth appeared to be restricted when maximum air temperatures were above 40°C.

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Buffalo gourd roots: chemical composition and seasonal changes in starch content

Cited by 15 publications

References 12 publications

Buffalo Gourd Root Starch. Part III. Effects of Plant Age and Spacing upon the Physico‐chemical and Rheological Properties

Buffalo Gourd Root Starch. Part III. Effects of Plant Age and Spacing upon the Physico‐chemical and Rheological Properties

Cucurbitacins in plant food

Effect of Plant Population and Planting Date on Root and Starch Production of Buffalo Gourd Grown as an Annual1

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