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1 - Enhancing the Marketability of California Persimmons
2 - Updates 3 - Pictures 4 - Contact Information 5 - Stakeholder Email List |
March 2017: consumers evaluate dried persimmon chips from this project at the USDA-ARS Western Regional Research Center
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USDA-ARS Research Chemist Andrew Breksa [top], USDA-ARS Research Agricultural Engineer Rebecca Milczarek [bottom, foreground], and other project team members pack dried persimmon samples into cups and assemble packets for the consumer test
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members of the public evaluate the dried persimmon chips |
January - April 2017: analyzing the fresh and dried persimmons from the Fall 2016 harvest
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USDA-ARS Food Technologist Carl Olsen prepares dried persimmons for moisture content measurement |
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USDA-ARS Physical Science Technician Ivana Sedej and Volunteer Madalene Velasco prepare samples for organic acid analysis |
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(top) USDA-ARS Food Technologist Carl Olsen prepares dried persimmons for instrumental texture analysis; (bottom) a dried persimmon sample subjected to the shear test
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(top) USDA-ARS Physical Science Technician Rachelle Woods prepares dried persimmon samples for sensory testing; (bottom) a sensory panelist evaluates a dried persimmon sample for flavor, taste, and texture |
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November 2016: members of the public evaluate dried persimmon chips from this project at the persimmon/pomegranate tasting at the National Clonal Germplasm Repository
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USDA-ARS Physical Science Technician Rachelle Woods and USDA-ARS Research Chemist Andrew Breksa [in hat] staff the display of the dried persimmon samples |
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USDA-ARS Research Leader John Preece, USDA-ARS Research Agricultural Engineer Rebecca Milczarek [in blue hat], and USDA-ARS Agricultural Science Research Technician Jenny Smith address the crowd at the tasting |
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members of the public evaluate the dried persimmon chips
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October 2016: visit by University of California Cooperative Extension Master Food Preservers to the National Clonal Germplasm Repository
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USDA-ARS Research Leader John Preece [top photo], USDA-ARS Research Agricultural Engineer Rebecca Milczarek [center photo, at center], and USDA-ARS Agricultural Science Research Technician Jenny Smith [bottom photo, at left] describe the persimmon project's progress to a group of Master Food Preservers in the persimmon section of the National Clonal Germplasm Repository |
September - November 2016: persimmon season!
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USDA-ARS Research Chemist Andrew Breksa and Physical Science Technician Ana Vilches prepares persimmons for chemical analysis |
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USDA-ARS Physical Science Technician Rachelle Woods prepares fresh persimmon samples for sensory testing |
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USDA-ARS Food Technologist Carl Olsen slices persimmons |
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3 persimmon cultivars, dried and ready for packaging |
June 2016: fruit development and thinning persimmons on the trees in the National Clonal Germplasm repository
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(above and below) USDA-ARS Biological Science Aid Da'mon Daniels thins persimmons on trees at the National Clonal Germplasm Repository |
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photo credit: Jenny Smith |
January - April 2016: analyzing the fresh and dried persimmons from the Fall 2015 harvest
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USDA-ARS Physical Science Technician Ivana Sedej prepares samples for phenolic analysis |
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USDA-ARS Physical Science Technician Ana Vilches prepares samples for tannin analysis
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(top) USDA-ARS Food Technologist Carl Olsen prepares dried persimmons for instrumental texture analysis; (bottom) a dried persimmon sample subjected to the shear test |
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(top) USDA-ARS Physical Science Technician Rachelle Woods prepares dried persimmon samples for sensory testing; (bottom) a sensory panelist evaluates a dried persimmon sample for flavor, taste, and texture
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February 2016: training the sensory panel for evaluating dried persimmons
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USDA-ARS Physical Science Technician Rachelle Woods advises sensory panelists as they train to recognize different aromas that may be present in dried persimmons |
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USDA-ARS Research Agricultural Engineer Rebecca Milczarek guides sensory panelists as they train to quantify texture attributes |
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sensory panelists practice evaluating the texture of dried persimmon samples |
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November 2015: members of the public evaluate dried persimmon chips from this project at the persimmon/pomegranate tasting at the National Clonal Germplasm Repository
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USDA-ARS Physical Science Technician Rachelle Woods staffs the display of the dried persimmon samples |
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USDA-ARS Research Leader John Preece and USDA-ARS Research Agricultural Engineer Rebecca Milczarek at the dried persimmon display; Dr. Preece makes introductory remarks to the attendees at the tasting |
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members of the public evaluate the dried persimmon chips
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September 2015: persimmon season starts!
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USDA-ARS Food Technologist Carl Olsen checks incoming boxes of persimmons for damaged fruit |
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USDA-ARS Physical Science Technician Rachelle Woods prepares fresh persimmon samples for sensory testing |
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USDA-ARS Physical Science Technician Ana Vilches prepares persimmons for chemical analysis |
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measuring the interior color of persimmons |
August 2015: training the sensory panel for evaluating persimmons
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sensory panelists train to recognize different aromas that may be present in persimmons |
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sensory panelists practice identifying aroma standards |
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sensory panelists hone their taste- and aroma-identification skills in controlled testing booths |
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June 2015: developing a method for photographing persimmons
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USDA-ARS Agricultural Science Research Technician Jenny Smith arranges peaches for photography (We're using peaches to practice, since persimmons are not in season yet.) |
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USDA-ARS Food Technologist Carl Olsen and Physical Science Technician Ana Vilches examine the photography setup |
June 2015: persimmon fruit development on the trees in the National Clonal Germplasm repository
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| persimmon fruit photo credit: Rebecca Milczarek |
May 2015: thinning persimmons on the trees in the National Clonal Germplasm repository
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(above and below) USDA-ARS Biological Science Aid Emily Johnson thins persimmons on trees at |
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photo credit: Jenny Smith |
April 2015: persimmon flower development on the trees in the National Clonal Germplasm repository
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persimmon flower photo credit: Jenny Smith |
October 2014 - January 2015: developing methods for analyzing and drying the persimmons
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USDA-ARS Physical Science Technician Ana Vilches prepares |
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system used to analyze persimmon sample extracts |
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data analysis (results from carbohydrate analysis) |
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USDA-ARS Food Technologist Carl Olsen slices persimmons |
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USDA-ARS Physical Science Technician Ana Vilches places |
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USDA-ARS Food Technologist Carl Olsen loads |
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Fuyu persimmon slices ready for drying |
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November 2014: dried persimmon chips featured at the annual persimmon/pomegranate tasting event held by the National Clonal Germplasm Repository
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| above: USDA-ARS Agricultural Science Research Technician Jenny Smith arranges samples at the tasting |
October 2014: Matsumoto Wase Fuyu persimmons ready for analysis and drying
October 2014: ripe persimmons from the National Clonal Germplasm Repository
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