The relation of firmness to ripeness of Eastern-grown apples
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The relation of firmness to ripeness of Eastern-grown apples by Haller, Mark H.

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Published by U.S. Dept. of Agriculture in Washington, D.C .
Written in English


  • Ripening,
  • Apples

Book details:

Edition Notes

Statementby M.H. Haller, J.M. Lutz, and E.D. Mallison
SeriesCircular / United States Department of Agriculture -- no. 579, Circular (United States. Dept. of Agriculture) -- no. 579.
ContributionsLutz, J. M. (Jacob Martin), 1908-1968, Mallison, E. D. (Earl Dewey), 1898-
The Physical Object
Pagination21 p. :
Number of Pages21
ID Numbers
Open LibraryOL25518541M

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The relation of firmness to ripeness of Eastern-grown apples / By Mark H. (Mark Hughlin) Haller, J. M. (Jacob Martin) Lutz and E. D. (Earl Dewey) Mallison Abstract. Fruit firmness is an important criterion for edible quality and market value of pome fruit (DeEll et al., ) and loss of fruit firmness is a serious problem resulting in quality losses (Kovacs. Fruit firmness is an important criteria for fruit quality of apples (De-Ell et al., , Weibel et al., ) and the loss of fruit firmness is a serious problems in postharvest handling old. Various indexes have been used to assess the ripeness of fruit, including peel color and firmness because added value is given to fruit when grade selection is determined objectively. In this paper, we realize a non-destructive firmness assessment for apples by means of .

Knee, M., and Sharples, R. O. The influence of controlled atmosphere storage on the ripening of apples in relation to ity in Stored and Processed Vegetables and Fruit. P. W. Goodenough and R. K. Atkin (Editors), pp. – Academic Press, New York. Google Scholar. On the picking day and after storage, fruit were tested for quality indices related to ripeness (L *, a *, and b * values of fruit flesh, acidity and soluble solids). Firmness of fruit was also checked with a nondestructive method based on measurement of apparent modulus of . Firmness Seed development Tomato External and Internal color Development of locules (jelly) Firmness Size Development of cuticle GREEN The tomato surface is completely green. The shade of green may vary from light to dark. BREAKERS There is a definite break of color from green to bruised fruit tannish-yellow, pink or red or 10% or less of the. Magness et al. (44) stated that Bartlett pears testing 3 pounds are in full eating-ripe condition. Mallison and Powell (49) indicated a range of pressure- FRUIT PRESSURE TESTERS 15 test values of 12 pounds or more for Bartlett pears in a hard condition, to 8 pounds for firm fruit, and pounds or less for ripe fruit.

  At harvest, M82 fruit were firmer than those of dfd, which in turn were firmer than those of AC, at both the MG and RR developmental stages (Fig. 1B). Compression analysis of intact fruit showed a ripening-related reduction in firmness in AC and M82 fruit of about 35% and 20%, respectively, but only 16% in dfd (Fig. 1B). We observed that the mean compression resistance values of AC and M Additionally, fruit origin and harvest season were significant factors influencing the relationship between parameters such as hue angle, cyanidin 3-O-glucoside and firmness. In conclusion, changes in skin colour can be used as ripening indicators although this does depend on the growing area and the stage at which the fruit was harvested. Apples • High diversity in cultivars (~ 20,) • High in vitamins, fiber, and antioxidants • Intensively managed • Can be picked ripe off the tree and eaten without any preparation. Botany and History • Family: Rosaceae • Genus: Malus – ~ species. Avocado byproducts are a rich source of health-promoting biomolecules. The purpose of this work is to study three groups of statistically different avocado fruit sizes (Persea americana Mill) (small (S), medium (M), and large (L)), and their relationship with total phenolic and flavonoid contents (TPC and TFC, respectively), DPPH (2,2-diphenylpicrylhydrazyl) scavenging capacity and.